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HomeMy WebLinkAboutBID - 26727 5979 ZIEGLER AND KECHTER ROAD ROUNDABOUTADDENDUM No. 1 5979 Ziegler and Kechter Road Roundabout SPECIFICATIONS AND CONTRACT DOCUMENTS Description of Bid: 5979 Ziegler and Kechter Road Roundabout OPENING DATE: May 16, 2006 (Our Clock) 3:00 P.M. To all prospective bidders under the specifications and contract documents described above, the following changes are hereby made. CHANGE: I. In the General Conditions under Section 00800 SC-12.3, it reads: "Add the following language to the end of paragraph 12.3. Contractor will include in the project schedule 10 days lost due to abnormal weather conditions." This section must be changed to read: Contractor will include in the project schedule 5 days lost due to abnormal weather conditions and 5 days lost to unforeseen circumstances. 11. In the Technical Specifications, page 7 under Revision of Section 203 - Excavation and Embankment, the following explanation must be added: Topsoil Placement in Planting Area @ Center Median of the Roundabout — This item includes the placement of on -site stockpiled material from the topsoil stripping stage of construction to place in the planting area. All cost of equipment, labor to transport and reach final grade elevations as shown on the plans must be included in the cost of this item. NOTE. The tree planting areas will be filled with 60140 topsoil (dimensions = 6-foot diameter, 4-feet deep) listed under line item 2000-07 on the bid schedule. 215 North Mason Street • 2"" Floor • P.O. Box 580 • Fort Collins, CO 80522-0580 • (970) 221-6775 • Fax (970) 221-6707 www.rceov.con ATTENDANCE RECORD PREBID CONFERENCE Project: Bid 5979 Ziegler and Kechter Road Roundabout Time: 10:00 Date: May 2, 2006 1 ..w•�11....•9Q4 IJ Cnllana r_nnfaram-a Rnnm 90 PRINT PRINT ADDRESS TELEPHONE FAX # E-MAIL ADDRESS NAME FIRM NAME �w�•uv� iy��41c -39H Zz1 JViIS�IICp�i �aVl Iv�ur lll,,, Imo. Ppc� ( ge ✓-r(�o►2c1, C� `'fT0 Gj3Z dg�C / 1-70G3Z�687 j �cvlis�v�ltnriY �ja vvt�vt.c:�vt 80S1 � L. JASuE2 ofZv-ZZ3 3151 GoGN �c� res�s, I K>: ©I�F.R 1/4 N �O� rr► ��TA� 7o o Z �f�C�-l�93�i l�gG 1188 K,(1 � slca>`I U��r 1sl�lnl IwiG,cvh.. 1A%004S,0Z 80fLS' 11 tJ►� aLa \ e.dL Di v.. ' I 35 S . cZ %; L- 1.L.:1i - l Ic� Cs7 517 TCJ 7 1O749% lJ lGV'�f �GBlcy Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Note: AIMS-2 = Asphalt Institute Manual Series 2 Note: The current version of CPL 5115 is available from the Region Materials Engineer. Note: Mixes with gradations having less than 40% passing the 4.75 mm (No. 4) sieve shall be approached with caution because of constructability problems. Subsection 403.03 is revised to include the following: Regardless of the delivery temperature, the mixture shall not be placed for use on the roadway at a temperature lower than 225' F. Emulsified Asphalt for tack coat shall be Grade CSS-1h. The tack coat shall consist of a 1:1 dilution (one (1) part emulsified asphalt to one (1) part water). The application rate for tack coat shall be approximately 0.1 gallons per square yard. The existing pavement shall be broomed and cleaned to be free of dirt, water, vegetation and other deleterious matter immediately prior to commencing the paving operation. Edges of the area to be patched shall be sawcut vertically, and perpendicular or parallel to the roadway, as directed by the Engineer. Tack coat shall be placed against clean, vertical edges on all sides of the area to be patched. Hot Bituminous Pavement Grading S and SX shall be placed in equal lifts not exceeding three (3) inches. The minimum lift thickness for Grading SX shall be one (1) inch and Grading S shall be (1 '/2) inch. HBP Grading SG shall be placed in equal lifts not exceeding four (4) inches and the minimum lift thickness shall be three (3) inches. Overlaying layers of Hot Bituminous Pavement shall not be placed until the lower layer has cooled sufficiently to provide a stable material which will support the equipment without rutting, shoving or moving in any manner. Tack coat shall be placed between all lifts. NOTE: Anv leveling courses placed shall be paid for at the contract unit price for Hot Bituminous Pavement. Subsection 403.04 shall include the following: Hot Bituminous Pavement Grading SX, S and SG, will be measured by the ton and paid for at the Contract Unit Price for Asphalt Patching and Hot Bituminous Pavement. Pavement cutting, excavation, subgrade preparation, haul and disposal, bituminous materials, aggregate, asphalt cement, asphalt recycling agent, additives, hydrated lime, and all other work necessary to complete each hot bituminous pavement item will not be paid for separately but shall be included in the unit price bid. Load slips shall be consecutively numbered for each day and shall include batch time. Subsection 403.05 is revised to include the following: Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by (). 403-01 Hot Bituminous Pavement — Grading S-100 - (3" Depth) — (PG 64-28) — (TON) P:\Street Oversiangalegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 31 Ziegler Road/ KechterRoad Roundamut Project Date: April 10, 2006 403-02 Hot Bituminous Pavement— Grading SG-100 (6" Depth) — (PG 58-28) — (TON) 403-03 Hot Bituminous Pavement — Grading S-100 (2" Depth) Overlay (PG 64-28) — (TON) 403-04 Asphalt Patching — Grading SG-100 (5" Depth) — (PG 58-28) — (TON) 403-05 "T" Patch following Installation of FCLWD Waterline (for limits of item 1) — (TON) 403-06 "T" Patch following Installation of FCLWD Waterline (for limits of item 3) — (TON) 403-07 2" Overlay, Grade S-100— (PG 64-28) Ziegler Road centerline Sta. 36+46 to 44+97 —(TON) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all the work involved in Hot Bituminous Pavement and Asphalt Patching, including pavement cutting, excavation, subgrade preparation, haul and disposal, compaction, rolling, surface preparation, and bituminous materials, complete in -place, as shown on these plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION PAStreet OversiangMegler Road Kechter Road RoundaboutBid DocslConstruction Specs Technical Specs Technical Specs - 32 Ziegler Road / KechterRoad Roundabout Project - . Date: April 10, 2006 REVISION OF SECTION 412 PORTLAND CEMENT CONCRETE PAVEMENT Section 412 of the Standard Specifications is hereby revised as follows: Subsection 412.03 is revised to include the following: Concrete pavement shall conform to Class "P" concrete as specified in Subsections 601.02 and 601.03. Class "P" concrete shall have a minimum 28-day field compressive strength of 4200 psi. The Contractor shall submit a concrete mix design for Class "P" showing and establishing the proportions of all the ingredients. The Contractor shall be responsible for all subsequent adjustments necessary to produce the specified concrete mix. The Contractor shall submit a new mix design based on the Class "P" requirements when a change occurs in the type of cement, or sources of flyash, or aggregate. The contractor may delete Class F flyash and also substitute Size 67 aggregate in lieu of the larger aggregate blend for the Class "P" concrete only upon the approval of the mix design submitted to the Engineer. The Contractor shall also submit a mix design for High Early Concrete. This mix shall have a minimum 24- hour field compressive strength of 3000 psi and a minimum 28-day field compressive strength of 4200 psi. This item shall be paid for by the cubic yard of concrete used. It shall include supplying, placing, curing and texturing the high early concrete. Payment for the cost of using high early concrete will be paid for by the cubic yard for the incremental increase in cost and will be paid only when the Engineer requires use of high early concrete. No concrete shall be placed until the applicable mix design and maturity relationship has been submitted, reviewed and approved by the Engineer. Review and approval of the mix designs by the Engineer will not constitute acceptance of the concrete. Acceptance shall be based solely on the work conforming to the specifications and on satisfactory test results of the concrete placed on this project. Subsection 412.12 is revised to include the following: Finishing — The Contractor shall not add water to the surface of the concrete to assist in finishing operations. Floats made of aluminum shall not be used. Immediately following the burlap drag finish, the surface shall be given an "astro-turf' drag finish. Materials used for final finish shall be of such texture and weight to produce a uniform texture similar to a broom type finish. Drags shall be full width of the new pavement and maintained in acceptable condition as specified for "astroturf' drag finish. Subsection 412.13 is revised to include the following: The Contractor shall saw joints early enough to control or limit random cracking but not too early as to create chipping along the sawed joint. Saw cutting will not be allowed between the hours of 9:00 p.m. and 6:00 a.m. unless approved by the Engineer. Saw cutting joints shall be included in this work and will not be paid for separately. If the Contractor proposes variations from CDOT M Standards, it is requested that the Contractor shall prepare a pavement joint and doweling layout for approval by the Engineer. Subsection 412.17 is revised to include the following: P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 33 Ziegler Road / KechterRoad Roundamut Project Date: April 10, 2006 The concrete pavement smoothness shall meet the requirements of Category 4, Class I, as shown in Table 412-1 for the Profilograph test. Subsection 412.18 is revised to include the following: Silicone joint sealant material: Concrete joints shall be sealed with an approved silicone joint sealant material. A copy of the manufacturer's recommendations pertaining to the application of the sealant shall be submitted to the Engineer for approval prior to the beginning of work, and these recommendations shall be adhered to by the Contractor, with such exceptions as this specification may require. The sealant material shall be applied into the joint using equipment and techniques recommended by the joint sealant manufacturer. The Engineer may elect to check for bonding or adherence to the sides of the joint. If the sealant does not bond to the joint, the Contractor shall remove the joint sealant material and clean and reseal these joints in accordance with the criteria outlined. Backer rod: Shall be a round, heat resistant material meeting the requirements set forth by the joint sealant manufacturer. The Contractor shall submit the proposed material to the Engineer for review and approval prior to use. The backer rod shall be placed in such a manner that the grade for the proper depth of the sealant material is maintained. The depth of the sealant shall be a maximum of % inch. The Contractor shall thoroughly clean the joint and adjacent pavement surface for a width of not less than one inch (1 ") on each side of the joint of all scale, dirt, dust, residue, or any foreign material that will prevent bonding of the joint sealant. This operation is to be accomplished by immediately flushing the joints with water after sawing. The joints shall be sandblasted after they have dried, just prior to sealing. After sandblasting, the joint shall be cleaned using compressed air with a minimum pressure of 100 psi. The sandblasting and air cleaning shall be performed on the same day as the backer rod placement and joint sealant application. Sealant shall not commence for a minimum of 24 hours after sawing or a weather event without approval of the Engineer. Subsection 412.24 is revised to include the following: Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by (). 412-01 Portland Cement Concrete Pavement (10" Depth) — (SY) The above prices and payment shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all the work involved in placing concrete pavement, complete -in - place, including haul, concrete materials, finishing the surface, saw cutting the joints, curing, placing dowels, and sealing joints as shown on the plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street OversiangMegler Road Kechter Road Roundabouillid Docs\Construction Specs\Technical Specs Technical Specs - 34 Ziegler Road / KechterRoad RoundalDut Project REVISION OF SECTION 506 RIPRAP Date: April 10, 2006 Section 506 of the Standard Specifications is hereby revised as follows: Subsection 506.01 is revised to include the following: This work consists of the construction of riprap sections with riprap, Type II bedding and covered with topsoil in accordance with these specifications and in conformity with the lines and grades shown on the plans or established grades. Subsection 506.02 is revised to include the following: Color of buried riprap shall be approved by the Engineer. Exposed riprap shall be gray to blue gray in color or as approved by the Engineer. Rock used for riprap shall be hard, durable, angular in shape and free from cracks, over -burden, shale and organic matter. Thin, slab type stones, rounded stones and flaking rock shall not be used. Removed concrete shall not be used for riprap without specific written approval by the Engineer. Service records of the proposed material will be considered by the Engineer in determining the acceptability of the rock. Neither breadth nor thickness of a single stone shall be less than one-third (1/3) its length. Bedding material shall conform to the specification for Type II Filter material as per the City of Fort Collins Storm Drainage Design Criteria and Construction Standards (Table 12-3) or CDOT Class A filter material (Section 703.09). Subsection 506.03 is revised to include the following: Wherever possible, the excavation for the riprap sections shall be undisturbed material, or where this is not possible, the underlying materials shall be compacted to 95% of maximum density as determined by ASTM D 698. The bottom of the excavation shall have a uniform slope, be reasonably smooth, free from mounds and windrows and free of debris prior to placing the filter material. Bedding material shall be placed on top of the sub -grade material prior to riprap installation at all locations of riprap sections shown on the plans. The layer shall be shaped to provide the minimum thickness of bedding material as shown on the details of the plans. Riprap material shall be placed immediately after the bedding material is placed and in a manner to provide well -graded mass of stone with minimum voids. Riprap may be machine -placed with sufficient handwork to minimize disturbance of the bedding material layer. This material shall be placed to the required thickness and grade shown on the details of the plans. Topsoil material shall be used to backfill and bury the entire riprap bed area and compacted to insure thorough settling of the topsoil within the rock voids. The top three inches (3") of the topsoil shall be loosely placed. This material shall be placed to the required thickness as shown on the details of the plans. The contractor shall utilize, when appropriate, existing topsoil on site. Subsection 506.04 is revised to include the following: Riprap sections specified in the plans will be paid for at the contract unit price per EA. The unit price bid P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid DocsTonstruction Speeffechnical Specs Technical Specs - 35 Ziegler Road / KecltterRoad Roundalout Project Date: April 10, 2006 shall include all costs associated with installation of the bedding material, riprap and topsoil including excavating for the placement of these materials, all materials, delivery, stockpiling and handling of the riprap. Subsection 506.05 is revised to include the following: Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by (). 506-01 6' x 6' x 1.5' Type L Riprap, 6" Topsoil (CIP) — (EA) The above prices and payment shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all the work involved in excavating, placing riprap, bedding and topsoil, complete -in -place, including haul and stockpile of materials, handling of the riprap and finish grading of the surface as shown on the plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 36 Ziegler Road / KechterRoad Roundamut Project REVISION OF SECTION 603 CULVERTS AND SEWERS Section 603 of the Standard Specifications is hereby revised as follows: Subsection 603.01 is revised to include the following: Date: April 10, 2006 This work shall consist of the construction and reconstruction of reinforced concrete pipe, pipe encasement, pipe connections, and joint encasement in accordance with the plans, specifications, the City of Fort Collins Storm Drainage Design Criteria and Construction Standards. It shall be the Contractor's responsibility to purchase and familiarize themselves with these specifications. The Contractor shall include in the Work all the necessary items to complete the Work including but not limited to excavation, bedding, backfill, and compaction. The accepted quantities will be paid for at the contract unit price. Payment will be made under: Pay Item and Pav Unit The pay unit is denoted by (). 603-01 19" x 30" HERCP Class III — (LF) 603-02 12" RCP Class III — (LF) 603-03 15" RCP Class III — (LF) 603-04 15" RCP Class III FES— (EA) 603-05 24" RCP Class III w/ Water tight joints (ASTM C443) — (LF) 603-06 8" Sewer SDR-35 — 21 linear feet with headwalls - (LS) 603-07 Field Collar on 19" x 30" HERCP — (EA) 603-08 29" x 45" HERCP Class III — (LF) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all Work involved in installing pipe and encasing joints, complete in - place, as shown on the plans, as specified in these specifications, and as directed by the Engineer. Concrete and/or Asphalt patching will be paid for separately under the appropriate item. END OF SECTION PAStreet Oversia n -,\Ziegler Road Kechter Road RoundaboutBld Docs\Construction Specs\Technical Specs Technical Specs - 37 Ziegler Road / KechterRoad Roundatout Project REVISION OF SECTION 604 MANHOLES, INLETS, AND METER VAULTS Section 604 of the Standard Specifications is hereby revised as follows: Subsection 604.01 is revised to include the following: Date: April 10, 2006 This work shall consist of the construction of manholes, CDOT Type `R' inlets, type 16 combination inlets, and providing and maintaining erosion control, in accordance with the plans, specifications, and the City of Fort Collins Storm Drainage Design Criteria and Construction Standards. It shall be the Contractor's responsibility to purchase and familiarize themselves with these specifications. The Contractor shall include the cost of excavation, backfill, compaction, and installation and maintenance of erosion control into each item listed in this section. The Contractor shall clean all sediment caught in the storm sewer system due to this project. The frequency of the cleaning shall be at the direction of the Engineer. The Contractor will not be allowed to flush the pipes with water. All Erosion Control Devices, Materials, and Techniques required to prevent damage to the storm water facilities as outlined in the City of Fort Collins Standards will be considered incidental to the work, and shall be included in the price. No measurement for payment shall be made for maintenance of Erosion Control devices. Subsection 604.02 is revised to include the following: Proportioning shall conform to the requirements for Class B concrete as described in Section 601. Subsection 604.08 is revised to include the following: The accepted quantities will be paid for at the contract unit price. Payment will be made under: Pay Item and Pav Unit The pay unit is denoted by O. 604-01 5' Type R-Inlet — (EA) 604-02 Area Inlet with 6" Orifice Plate — (EA) 604-03 4' Concrete Sidewalk Culvert — (LS) 604-04 4' Sidewalk Chase with a 32" x 2' Concrete Trickle Pan — (EA) 604-05 Modification of Pond Inlet on Homestead Property — (LS) 604-06 14' x 14' Manhole Concrete box with 30" Manhole Frame and Cover for Access — (CIP) — (EA) 604-07 Median Underdrain Pipe System — (4" Perforated Pipe) — (LF) 604-08 Median Underdrajn Pipe System — (4" Solid Pipe) — (LF) P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction SpecsUechnical Specs Technical. Specs - 38 Ziegler Road / KechterRoad Roundamut Project 604-09 Tie to Existing Manhole — (EA) 604-10 Concrete Encasements — (EA) 604-11 10 Mill Viscreen Plastic — (SF) 604-12 1 ''/s" Class 200 PVC Irrigation Main — (LF) 604-13 4" Conduit Sleeving — (LF) 604-14 6" Conduit Sleeving — (LF) Date: April 10, 2006 The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all work involved in constructing inlets, constructing manholes, and installing and maintaining erosion control, complete -in -place, as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction SpecsiTechnical Specs Technical Specs - 39 Ziegler Road / KechterRoad Roundalnut Project REVISION OF SECTION 607 FENCES Date: April 10, 2006 Section 607 of the Standard Specifications is hereby revised as follows: Subsection 607.01 is revised to include the following: Barbed Wire Fence (4Stand Wire T-Post) — Follow Section 710 from Colorado Highway Specifications for installation of new fence. This item consists of installing new fence and will be paid for by the linear foot. Any existing fence that is removed is paid for under Remove Fence (Various Types). Subsection 607.04 is revised to include the following: The accepted quantities will be paid for at the contract unit price. Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by (). 607-01 Smooth Wire Fence — (LF) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all work listed above: complete in place, as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversiting\Ziegier Road Kechter Road RouadaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 40 ATTENDANCE RECORD PREBID CONFERENCE Project: Bid 5979 Ziegler and Kechter Road Roundabout Time: 10:00 Date: May 2, 2006 Lneatinn-281 N_ Colleae Conference Room 2A PRINT PRINT ADDRESS TELEPHONE FAX #E-MAIL ADDRESS NAME FIRM NAME 4/ ��1%N�dT ✓ 7Z� �r�K✓ 9 G L- !� i 1 y� L - 906 / CJar sM 40 04 k trl C. a r /l S J f�% /.�/ % / W quo Rio e s� 'J6D 1� Cacre 5 5 Pp 1a5g �0 q7° ? q7o 6 `d> $ Serv'c5 wel�;N�, d-t, Cc 5 6� -3b3 3i63 l�c�{v ��`1-&JOe ;?,. -L�`3 MC3liK[�/'�Ca'�r_Yov cot-, �Vl'A-�1L (-.f�r1 L �i-� C G � C E.✓G� N r2'� rri ZeB � N . Go c � c�G� Z, 22 — 3 SY6 Z Z l — [� 3 7 F> [�/t/Ly �j � L EwG./r. Zll. / N• G l.�� 2.2z_3 Y37 1 � "u����l 17�1s Stif� (cu7Ee D'�. 7�0.. 3y`f-s riCj 7zo-3�5�-5 �r� � vfwp�EJ ��tt iLC�A S.aZu�^2T s / Klass ii+.JC67fc�5 zo g�z9 �.te5azt�nc..r%,5. Gam."\ vt Ziegler Road / KechterRoad Roundabout Roject Date: April 10, 2006 REVISION OF SECTION 608 SIDEWALKS AND DECORATIVE CROSSWALKS Section 608 of the Standard Specifications is hereby revised for this project as follows: Subsection 608.01 is revised to include the following: This work shall consist of the construction of concrete sidewalks (6"), pedestrian access ramps, exposed aggregate median splashblock, driveways, crosspans, and drive approaches, in accordance with the plans and specifications. Required saw cutting will be incidental to the work and will not be measured or paid for separately. The use of aggregate base material for fine grading or over excavated areas will not be paid for separately. Subsection 608.02 is revised to include the following: Proportioning shall conform to the requirements for Class "B" concrete as described in Section 601 with the exception the minimum 28 day compressive strength shall be 4000 psi. The Contractor shall also submit a mix design for High Early Concrete. This mix shall have -a minimum 24- hour compressive strength of 3000 psi and a minimum 28-day compressive strength of 3500 psi. It shall include supplying, placing, curing and texturing the high early concrete. The price shall apply to all Sections including Section 412, 608 and 610. Payment for extra cost of using high early concrete will be paid for by the cubic yard for the incremental increase in costs and will be paid only when the Engineer requires use of high early. Non -Shrink backfill — also called Flowable Fill or Unshrinkable Fill —shall be a Portland Cement Concrete Mix. The •cement shall conform to the Standard Specifications for Portland Cement, ASTM C 150-85, Type I/II. The minimum 24-hour strength shall be 10-psi and the maximum 2S day strength, 60 psi. The maximum aggregate size shall be one inch (1"). The minimum slump shall be six inches (6") and the maximum, eight inches (8"). The non - shrink backfill shall be consolidated with a mechanical vibrator. Payment of using flow fill will be paid for by the cubic yard and only when used as required by the Engineer. Subsection 608.04 is revised to include the following: Exposed Aggregate Concrete: The Exposed Aggregate Concrete shall be Class "EA" concrete integrally colored with 1% lbs. of Davis Color No. 5237 "San Diego Buff' per sack of cement. The surface of the Exposed Aggregate Concrete shall be sealed and protected from drying by applying Davis W-1000 Clear Cure and Seal, or approved equal. "San Diego Buff' shall be used for all exposed aggregate concrete in the median. Truncated Dome Panels: Pedestrian Access Warning Cast Iron Plates — East Jordan Iron Works Model 7005-71. Detectable warnings on new curb ramps shall be truncated domes of the dimensions shown in the plans. Domes shall be prefabricated by the manufacturer as a pattern on concrete or masonry pavers. Pavers shall meet all Americans with Disabilities Act (ADA) requirements for truncated domes, and when installed, shall be capable of producing the pattern of domes as shown in the plans. Pavers shall meet the requirements of ASTM C 902 or ASTM C 936. Enhanced Concrete Crosswalks 10": Per Detail- Stamping: This shall include the cost of stamping using the brick stamp pattern Brickform Texture Mats FM-3 500 Cal Weave, 24"x 24". The crosswalk shall have the 2' boarder as shown in the plan detail. The crosswalks will be one color using Davis Color Tile Red. P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 41 Ziegler Road / KechterRoad Roundabout Roject Date: April 10, 2006 Concrete Pavement: The unit price bid per square foot of exposed aggregate concrete shall include all the Contractor's costs. The price bid shall include: saw cutting, furnishing and installing steel dowel bars as required; forming; furnishing and placing the concrete; finishing and edging the concrete surfaces; curing/scaling materials; joints, joint materials and joint sealers; and all other related and necessary materials, work, and equipment required to construct the Exposed Aggregate Concrete in accordance with the Details and Specifications. All samples required for testing shall be provided by the Contractor at no cost to the City. It is the Contractor's responsibility to adequately protect their work from damage by weather (including cold, heat, rain, wind), vandalism, or other causes until such time as it is accepted by the City. If traffic control devices are used to protect the work, they will not be paid for separately, but shall be included in the work. Pedestrian Refuge Islands —will consist of hand forming and monolithically placing concrete for the crosswalk area and outflow curb and gutter including the curb head for the island nose and median. The monolithic refuge island shall be constructed after the straight sections of median outflow curb and gutter are placed on each side of the median. The crosswalk area shall be 6" thick. All labor, materials, equipment and incidentals required to construct this item including the crosswalk, gutter portion and curb heads, complete -in -place, shall be included in the unit price. This item will be measured in the field, and will be paid for by the square foot (SF). The median hardscape/splash block and the refuge island nose hardscaping will be exposed aggregate concrete and will be paid for at the contract unit price for Exposed Aggregate Concrete (Section 610). Subsection 608.05 is revised to include the following: The Concrete Driveway (6"), Sidewalk (6"), Access Ramps w/Landings (S"), Drive Approach (6") and Concrete Crosspan/Apron (9 1/2") items will be measured by the square foot of finished flatwork. The price for the Access Ramps (6") shall include the landing area as described in section 610. Ramp area shall be measured from the back of the curb to the back of the walk from point of curb return to point of curb return. Subsection 608.06 is revised to include the following: The accepted quantities will be paid for at the contract unit price. Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by (). 608-01 Colored Concrete Truck Ramp (Davis Color Tile Red) — 6" — (SF) 608-02 ,4'-5'-6'-7'-8' Sidewalk — (SF) 608-03 Enhanced Colored Concrete Cross Walks (Davis Color Tile Red) w/ Truncated Dome Warning Panels Cast Iron -East Jordan Iron Works Model # 7005-71 and W/ 2' stamped borders — (SF) 608-04 Exposed Aggregate Concrete Median Splashblock "San Diego Buff- (SF) 608-05 Flowfill Over Shallow Utilities — (LF) 608-06 Flowable Fill Concrete — (CY) 608-07 Hi -Early Concrete (24 Hour) — (CY) P:\Street oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs 42 Ziegler Road / KechterRoad Roundab)ut Project Date: April 10, 2006 The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all work involved in constructing concrete sidewalks, miscellaneous flatwork, access ramps, drive approaches, and driveways, complete -in -place, including haul, concrete materials, finishing the surface, saw cutting joints, curing, placing dowels, and sealing joints as shown on the plans, protection from staining existing concrete from washing the exposed aggregate, cutting the plastic used to separate the different colors as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversiting\Ziegler Road Kechter Road RoundaboutBid Docs\Construction SpecsUechnical Specs Technical Specs - 43 Ziegler Road / KechterRoad Roundalnut Project REVISION OF SECTION 609 CURB AND GUTTER Section 609 of the Standard Specifications is hereby revised as follows: Subsection 609.01 is revised to include the following: Date: April 10, 2006 This work shall consist of the construction of cast in place vertical 6" curb and gutter, 6" outfall curb and gutter (1-ft pan), and concrete lined irrigation ditch accordance with the details and these specifications. The unit price bid per linear foot of curb and gutter, no sidewalk, includes construction of new curb and gutter sections, complete and in place, measured along the flow line. Removal of curb and gutter is not included in this section, but will be measured and paid separately as described in Section 202. It is the Contractor's responsibility to adequately protect their Work from damage by weather, vandalism or other causes until such time as it is accepted by the City. If traffic control devices are used to protect the work, they shall not be paid for separately, but shall be included in the work. Subsection 609.02 is revised to include the following: Proportioning shall conform to the requirements for Class "B" concrete as described in Section 601 with the exception the minimum 28 day compressive strength shall be 4000 psi. Subsection 609.07 is revised to include the following: The accepted quantity of curb and gutter will be paid for at the contract unit price per linear foot. Payment will be made under: Pav Item and Pav Unit The pay unit is denoted by (). 609-01 30" Vertical Curb & Gutter - (LF) 609-02 30" Vertical Curb & Gutter (6" Mountable 2' Inflow Gutter between ramps in all corners) - (LF) 609-03 18" Outfall Curb & Gutter - (LF) 609-04 18" Outfall Curb & Gutter (6" Mountable 2' Outfall Gutter around center island) - (LF) 609-05 R&R Vertical Curb and Gutter — (LF) 609-06 R&R Concrete Sidewalk - (SF) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all work involved in constructing vertical curb and gutter, variable height curb and gutter, concrete median curb, complete -in -place, including haul, concrete materials, finishing the surface, saw cutting joints, curing, placing dowels, and sealing joints as shown on the plans, as specified in these specifications, and as directed by the Engineer. P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 44 Ziegler Road / KechterRoad Roundalnut Project END OF SECTION REVISION OF SECTION 619 WATER LINES Section 619 of the Standard Specifications is hereby revised as follows: Subsection 619.01 is revised to include the following: FCLWD WATER LINES ITEMS Date: April 10, 2006 This work shall include installing ductile iron pipe (DIP), gate valves, tees, bends, tapping saddles, plugs, reaction blocks and joining to existing lines and other items as shown on the plans and as designated by the Engineer. This work shall meet the requirements of the current Fort Collins -Loveland Water District Standards. It shall be the Contractors responsibility to purchase and familiarize themselves with these specifications. All work associated with installing the water lines that is NOT itemized in the bid tab shall be considered incidental to the work and will not be paid for separately. This includes, but is not limited to excavating and backfilling, valve boxes, plugs, thrust blocks, bedding materials, poly -wrap, chlorinating, pressure testing and all materials incidental to completing the installation and connections to existing water lines. Relocate Existing Water Valve (per FCLWD Specifications) — The Contractor will be required to move 2 existing 12" Valve on the Fort Collins — Loveland Water District water line out of the limits of the roundabout. The new location is a distance of 10' to 15'. The City of Fort Collins will have the new location clearly marked for the Contractor. The Contractor will be responsible for notifying the FCLWD of the relocation 2 weeks prior to any work being done. Once the valves have been accepted by FCLWD, they must be backfilled with flowfill. This item shall include all material, dewatering, couplings, labor, equipment and supervision into the unit price of the bid. Flowfill will be paid for under section 608. Subsection 619.05 is revised as follows: Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by (). 619-01 Relocate Existing Water Valve (per FCLWD Specifications) — (EA) 619-02 24" Ultra Rib PVC Irrigation Pipe — (LF) 619-03 4' Diameter Flat Top Manholes — (EA) 619-04 _ 5' x 5' Concrete Irrigation Splitter Box w/ 2 "Watermain" 24" C-9 Slide Gates (see detail) — (EA) 619-05 Tie to Existing Irrigation —'(EA) 619-06 3/4" Irrigation Service: Meter Pit/Backflow Preventer/Metal Screen Cover (per detail)— (LS) 619-07 Tie to Existing — (LS) P:\Street Oversivng\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 45 Ziegler Road / KeehterRoad RoundabDut Project Date: April 10, 2006 619-08 24" Cl 52 DIP, double strap bonded, non -restrained w/ polywrap — (LF) 619-09 24" C152 DIP, double strap bonded, restrained using Field Lok restraint, w/ polywrap, Sta. 36+96 and 56+15 to 57+45 — (LF) 619-10 24" C152 DIP, double strap bonded, restrained using Field Lok restraint, w/ polywrap supported by casing chocks, installed in ex. 36" steel casing — (LF) 619-11 24" Bends and Thrust Blocks — (EA) 619-12 Concrete encasement of existing 30" RCP storm sewer — (LS) 619-13 24" x 22 '/2 degree vertical bends with mechanical restraint — (EA) 619-14 Air/Vac valve and vault assembly — (EA) 619-15 24" x 45 degree horizontal bend with thrust blocks, rotate fitting to achieve required vertical alignment — (EA) 619-16 24" plug with thrust block, mark end of waterline construction — (LS) The above prices and payment shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all the work involved in installing ductile iron water pipe and valves, connecting to existing water lines according to the Fort Collins -Loveland Water District Standards, complete - in -place, as shown on the plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 46 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 REVISION OF SECTION 630 TRAFFIC CONTROL DEVICES Section 630 of the Standard Specifications is hereby revised as follows: Subsection 630.01 shall be revised as follows: This work shall consist of furnishing, installing, moving, maintaining and removing temporary traffic signs, advance warning arrows panels, barricades, channeling devices, and delineators as required by the latest revision of the "Manual on Uniform Traffic Control Devices for Streets and Highways" (MUTCD), the City of Fort Collins' "Work Area Traffic Control Handbook", June 1989 with Revisions dated May 29, 1991, and the City of Fort Collins' "Design Criteria and Standards for Streets, Subsection 1.4, "Barricades, Warning Signs, Signal Lights", July, 1986. This work includes use of the above devices to channelize or direct traffic away from the work zone, but does not include work zone protection. It is the Contractor's responsibility to protect his work zone and to protect Pedestrians and Bicyclists from potential hazards arising from his work until such time as the work has been completed and can be opened to traffic. Traffic Control Devices shall be measured and paid for under this section based upon a lump sum pay item. In the event of a conflict between the MUTCD criteria and the City's criteria, the City's criteria shall govern Traffic control devices shall be placed and/or stored in the City right-of-way in such a manner that minimizes the hazards to pedestrians, bicyclists and vehicles. Proper placement and storage of traffic control devices will be subject to the Engineer's discretion. Traffic control devices shall be removed from the site immediately upon completion of the Work, but not before the concrete has cured sufficiently to allow vehicular traffic to use it. Message Boards — Will be placed to the plan designed by the City of Fort Collins. This item will be paid for per day (Day). Traffic Control — This project has been divided into Phase One and Phase Two. The traffic Control Design Plan issued with the plan drawings explains the detour route and signage needed. The Contractor needs to follow the plans and quantities. This item will be paid for as a lump sum (LS). Subsection 630.02 shall include the following: All traffic control devices placed for this project must meet or exceed the minimum standards set forth in the MUTCD. All traffic control devices shall be clean and in good operating condition when delivered and shall be maintained in that manner on a daily basis. All traffic control devices shall be clearly marked and free of crossed out information or any other form of defacement that detracts from the purpose for which they are intended (i.e. crossed out information, information written in long -hand style, etc.) Additionally, any sign blank with sign faces on both sides must have the back sign face covered when in use to avoid confusion to motorists traveling in the opposite direction and other potentially affected parties, such as residents affected by any information the sign may present. Subsection 630.05, the second paragraph shall include the following: The reflective material shall be AP1000 Polyester (Reflexite Corporation), 3M Type III or Transparent P:1Street Oversiang\Ziegler Road Kechter Road RoundaboutBid DocslConstruction SpecslTechnical Specs Technical Specs - 47 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 (Reflexite Corporation). Vinyl material is not acceptable unless its brightness is equivalent to or greater than the types named as approved by the Engineer. Subsection 630.08 shall be revised as follows: Traffic . c control on . w _ .. .. _ __.. .. ._ _ , f,%i this project is the responsibility of the Contractor. 11 For this project, a Traffic Control Plan shall be prepared. The Traffic Control Plan shall be submitted for approval to the Traffic Division by 12:00 noon, two working days prior to the commencement of work. (Note: Traffic Control Plans for work done on Monday and Tuesday shall be submitted the previous Friday by 9:00 a.m.). Facsimiles of plans shall not be allowed. No phase of the construction shall start until the Traffic Control Plan has been approved. Failure to have an approved Traffic Control Plan shall constitute cause for the City to stop work, as well as the Contractor's forfeiture of payment for all work and materials at that location, with no adjustment in the contract time. The Traffic Control Plan shall include, as a minimum, the following: (1) A detailed diagram which shows the location of all sign placements, including advance construction signs (if not previously approved), fines doubled for speeding signs and speed limit signs; method, length and time duration for lane closures, and location of flag persons. (2) A tabulation of all traffic control devices shown on the detailed diagram including, but not limited to: construction signs; vertical panel; vertical panel with light; Type I, Type II, and Type III barricades; cones; drum channeling devices; advance warning flashing or sequencing arrow panel. Certain traffic control devices may be used for more than one operation or phase. However, all devices required for any particular phase must be detailed and tabulated for each phase. (3) Number of flaggers to be used. (4) Parking Restrictions to be in affect. Approval of the proposed method of handling traffic is intended to indicate minimum devices needed to control traffic. Such approval does not relieve the Contractor of liability specifically assigned to him under this contract. Parking Restrictions shall be clearly shown on the Traffic Control Plan, including the location and quantity of "NO PARKING" signs, the date to be placed, and the date to be removed. Failure to have an approved Traffic Control Plan, including the Parking Restriction information listed above shall constitute cause for the City to stop work, as well as the Contractor's forfeiture of payment for all work and materials at that location, with no adjustment in the contract time. Subsection 630.09 shall be revised as follows: Traffic Control Management shall be performed by a Traffic Control Supervisor (TCS). The TCS(s) shall possess a valid Driver's License, a current American Traffic Safety Services Association (ATSSA) certification as a Worksite Traffic Control Supervisor or Colorado Contractor's Association (CCA) certification as a Traffic Control Supervisor. (Proof of certification shall be presented to the City Traffic Control Manager, and when requested by a City representative, for each TCS utilized on this project.) P:\Street Oversiang\Ziegler Road Kechter Road RouudaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 48 Ziegler Road / KechterRoad Roundab ut Project Date: April 10, 2006 One TCS shall be designated as the Lead TCS. The Lead TCS shall have a minimum of one-year experience as a certified TCS. The Lead TCS shall be on site at all times during the construction. Qualifications shall be submitted to the Engineer for approval a minimum of one week prior to commencement of the work. The Lead TCS shall be equipped with a cellular phone. The cost of this phone shall be incidental to the work. The Lead TCS cellular phone number will be made available to the Engineer, Inspector, and the General Contractor It is the intent of the specifications that the Lead TCS be the same person throughout the project. If the Lead TCS is to be replaced during the project, the Engineer shall be given a minimum of one (1) weeks notice and qualifications shall be submitted for approval of the Lead TCS replacement. Payment for the TCS shall be included in the lump sum pay item. The TCS's duties shall include, but not be limited to: (1) Preparing, revising and submitting Traffic Control Plans as required. (2) Direct supervision of project flaggers. (3) Coordinating all traffic control related operations, including those of the Subcontractors, City Streets Department, and suppliers. (4) Coordinating project activities with appropriate police and fire control agencies, Transfort, school districts and other affected agencies and parties prior to construction. (5) Maintaining a project traffic control diary which shall become part of the City's proiect records (6) Inspecting traffic control devices on every calendar day for the duration of the project. (7) Insuring that traffic control devices are functioning as required. (8) Overseeing all requirements covered by the plans and specifications, which contribute to the convenience, safety and orderly movement of traffic. (9) Flagging. (10) Setting up and maintaining traffic control devices. (11) Attending weekly progress meetings as requested by the Engineer and/or Contractor. (12) Shall perform a minimum of Five (5) complete site checks per day, during day light hours, including weekends and/or as requested by the City of Fort Collins representatives. Traffic control management shall be maintained on a 24-hour per day basis. The Contractor shall make arrangements so that the Traffic Control Supervisor or their approved representative will be available on every working day, "on call" at all times and available upon the Engineer's request at other than normal working hours. P:\Street Oversiting\Ziegler Road Keebter Road RoundaboutBid DoesTonstruction Specsffeclmical Specs Technical Specs - 49 Ziegler Road / KechterRoad Roundalnut Project Date: April 10, 2006 All traffic control devices shall be placed under the supervision of a Traffic Control Supervisor. The Traffic Control Supervisor shall have up to date copies of the City of Fort Collins' "Work Area Traffic Control Handbook", and Part VI of the MUTCD, pertaining to traffic controls for street and highway construction, available at all times. Subsection 630.13 shall be revised as follows: The Contractor shall supply and pay all costs associated with the traffic control for this project. Traffic Control devices as per the provided traffic control plans are minimum requirements, additional devices, signage may be required after initial set-up is completed This applies to all phases of this project. The accepted quantities will be paid for at the contract unit price for each of the pay items listed below: Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by (). 630-01 Specialty Signs 3" Letters on 48" x 48" — (EA) 630-02 Portable Stop Lights — (Day) 630-03 Message Boards (7 Boards) — (Day) 630-04 New Jersey Type Concrete Median Barriers — (LF) 630-05 Flaggers — (Hours) 630-06 Traffic Control — (LS) Flaggers and all incidental equipment will not be measured and paid for separately, but shall be included in the Work. The flaggers shall be provided with electronic communication devices when required. These devices will not be measured and paid for separately, but shall be included in the Work. The cost of batteries, electricity and/or fuel for all lighting or warning devices shall not be paid for separately but shall be considered subsidiary to the item and shall be included in the Work. Sandbags will not be measured and paid for separately, but shall be included in the Work. The Contractor may provide larger construction traffic signs than those typically used in accordance with the MUTCD, if approved; however, no additional payment will be made for the larger signs. The City shall not be responsible for any losses or damage due to theft or vandalism. SPECIAL CONDITIONS FOR WORK ON ARTERIALS AND COLLECTORS NOTE: Cross street traffic shall be maintained at all times unless authorized by the Engineer in writing. NOTE: Full closures on arterials and collectors, including those listed above, will be allowed under extreme circumstances and only upon approval by the Engineer and City Traffic Division. Plans shall be approved a minimum of one week prior to the commencement of work and/or the time required to adequately notify the public through the media. SPECIAL CONDITIONS FOR WORK ON RESIDENTIAL STREETS P:\Street Oversiting\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 50 ATTENDANCE RECORD PREBID CONFERENCE Project: Bid 5979 Ziegler and Kechter Road Roundabout Time: 10:00 Date: May 2, 2006 Location:281 N. Colleae Conference Room 2A PRINT NAME PRINT FIRM NAME ADDRESS TELEPHONE FAX # E-MAIL ADDRESS �UL ab��cJyz Kk F—T , C-till. �I-13-C?8Lz$� C 1��`i13-10Z ��1�1� t1�IaCC c e t.#rr��J Jo ,+� �rfRyfw (oFC- P64 1�. a/s Al, Ton/- Z2l-l0777 22/-670.7- , ,�- .✓�, w L f'�✓ CO C Z i/ -/l/ay �`�' z L��GSa• Z2 y- o8G6 — H- ��.�Sr , C'/ �i� c0 ,. Ziegler Road / KechterRoad Roundalout Project Date: April 10, 2006 NOTE: Full closures on all residential streets shall be allowed as shown on the traffic control plans only if approved by the City Traffic Division. END OF SECTION P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 51 JUL94 SECTION 01010 SUMMARY OF WORK PART 1 - GENERAL 1.1 SCOPE A. The purpose of this document is to present the Fort Collins - Loveland Water District's criteria for the construction of sixteen (16) inch and smaller water mains, water services and all appurtenances associated with these mains and services. It is for the use of Owners, Developers, Design Engineers, and Contractors as guidelines for the construction of said mains, services, and appurtenances. In the case of water mains which are larger than sixteen (16) inch, the Owner, or his representative, shall submit construction specifications to the District for review, prior to approval of construction drawings. The basis for developing these specifications shall be this document. B. These specifications are intended to be sufficiently detailed to provide adequate definition of the work to be performed and to insure the quality of that work. The Contractor and Contractor's representative shall become thoroughly familiar with the provisions and the content of these Specifications. C. These specifications are composed of written Material Specifications and Standard Drawings. I . Every attempt shall be made to avoid conflicts between standards, and drawings during design. However, when requested in writing, the Fort Collins - Loveland Water District shall provide a letter of interpretation. D. In the event that a conflict occurs between water mains, services or other utilities, during construction, the Contractor shall contact the Fort Collins - Loveland Water District to interpret these specifications or to determine if the standards of other utilities or departments apply. 05-089.05 01010-1 1.2 SPECIFICATION DOCUMENTS A. Definitions. AASHTO - American Association of State Highway and Transportation Officials 2. ACI - American Concrete Institute. 3. ANSI - American National Standards Institute. 4. ASTM - American Society for Testing and Materials. 5. AWWA - American Water Works Association. 6. ABILITY - that which a person who can do on the basis of present development and training. 9. CDOH STANDARDS - Colorado Department of Highways Standard Specifications for Road and Bridge Construction. 10. COMPETENT - a person who has the natural powers, physical or mental, to meet the demands of a situation or work; the word is widely used to describe the ability to meet all requirements, natural, legal, or other, of a given task. 11. CONSULTANT - the partnership, corporation, or individual who is hired by the owner and is empowered to act as his agent for the project. 12. CONTRACTOR - the corporation, association, partnership, or individual who has entered into an Agreement with the Owner to perform the work. 13. CONSTRUCTION DRAWINGS - detailed and working drawings, including plan, profile, and detail sheets of proposed utility improvements, approved by the Engineer. 14. DESIGN ENGINEER - the partnership, corporation, or individual who is registered as a professional engineer, according to Colorado statutes, and who is hired by the owner, and is empowered to act as his agent for the project. 15. DISTRICT - the Fort Collins - Loveland Water District 16. OSHA - Occupational Safety and Health Administration. 05-089.05 01010-2 17. OR AN APPROVED EQUAL - as approved to being equal by the District. a. Reference Section 01600. 18. OWNER - the developer, corporation, association, partnership, or individual who has entered into an Agreement with the District and has entered into an agreement with the contractor to perform the work. 19. PROVIDE - furnish and install complete in place. 20. QUALIFIED - acquired abilities; skill, knowledge, experience, that tits a person for a position, office, or profession. 21. RECORD DRAWINGS - detailed drawings that show actual construction and contain field dimensions, elevations, details, changes made to the construction drawings by modification, details which were not included on the construction drawings, and horizontal and vertical locations of underground utilities. a. Record Drawings are usually construction drawings which have been modified to contain the information listed above. 22. REMOVE - remove and dispose of in a manner consistent with local ordinances, laws and regulations. 23. SERVICE LINE - all pipe, fittings and appurtenances for conveying water from the distribution mains to the premises and/or meter as applicable. 24. SHALL - a mandatory condition. 25. SYSTEMS ENGINEER - shall mean the Systems Engineer of the Fort Collins - Loveland Water District or their authorized representative. 26. TAP - the physical connection to the distribution main. 27. UTILITY - District Manager or his authorized representative. 28. WORK - the entire completed construction or the various separately identifiable parts required to be furnished for the project. Work is the result of performing services, furnishing the labor and furnishing and incorporating materials and equipment into the construction. 05-089.05 01010 3 B. Interpretation These Specification's contain many command sentences which are directed at the Contractor unless otherwise stated. 2. The Contractor shall request clarification, in writingto the District, of all apparent conflicts. The District will not be responsible for any explanations, interpretations, or supplementary data provided by others. 1.3 COORDINATION WITH THE DISTRICT A. The Contractor is responsible for coordinating a pre -construction meeting with the District. B. The Contractor is responsible for coordinating the work with the District. C. Connections to existing pipelines. All connections to existing water mains shall be made at a time authorized by the District. 1.4 WORK SEQUENCE A. Contractor shall coordinate the sequence of activities, taking into account work by others; possible easement requirements; permit requirements; and District requirements. B. Contractor shall coordinate the beginning of work, excavation near ditches, railroads, road cuts, etc. with the District, affected parties, and utilities prior to beginning construction. C. Contractor shall coordinate pipe filling, chlorination testing and pressure testing with the District. 1.5 NOTIFICATIONS A. Contractor shall contact the District, all utilities and affected parties at least 48 hours (exclusive of holidays and weekends) prior to working in areas adjacent to underground utilities. 05-089.05 01010-4 B. Contractor shall have all utilities field located. C. Contractor shall give the District a minimum of 48 hours notice (exclusive of holidays and weekends) prior to inspections and testing. 1.6 SAFETY AND PROTECTION A. Contractor shall be responsible for initiating, maintaining and supervising all safety precautions and programs in connection with the work. Contractor shall take all reasonable and necessary precautions for the safety of, and shall provide the necessary protection to prevent damage, injury or loss to: Employees and other persons onsite who may be affected. 2. The work and materials or equipment to be incorporated therein, whether in storage on or off the site. 3. Other property at the site or adjacent thereto, including, but not limited to trees, shrubs, lawns, walks, pavements, roadways, structures and utilities not designated for removal, relocation or replacement in the course of construction. B. Contractor shall comply with all applicable laws, ordinances, rules, regulations and orders of any public body having jurisdiction for the safety of persons or property or to protect them from damage, injury or loss; and shall erect and maintain all necessary safeguards for such safety and protection. 1.7 SPECIAL REQUIREMENTS A. All items and work not covered by these specifications shall be discussed with the District, and the Contractor shall receive approval from the District, in writing, prior to beginning work. B. All work must be acceptable by the District prior to being placed in service. C. District furnished material. 1. When the District furnishes any materials, the Contractor shall be responsible for such materials once they have been picked up or delivered to the job site. 05-089.05 01010-5 2. The Contractor shall be responsible for the careful inspection of'District furnished material' at the time of delivery. 3. Contractor shall repair, in a manner acceptable to the District, or replace any 'District furnished material', which has been damaged or stolen, at the Contractor's expense. 4. The District is responsible for the quality and operational design aspects of 'District furnished material'. D. Contractor shall warrant all work for a period of one (1) year after final completion and initial acceptance of the work. Contractor may perform such maintenance and repairs by subcontract. a. If the Subcontractor chooses to subcontract the warranty work, he shall submit to the District a copy of the subcontract or the work authorization as evidence of the contractor's faithful intention during the one (1) year warranty period. E. Field changes from the approved plans shall not be permitted without prior permission from the District. F. The Developer, Developer's Engineer or Developer's Contractor is responsible to coordinate a pre -construction meeting with the District at least five (5) days, exclusive of holidays and weekends, prior to construction. G. The Developer, Developer's Engineer or Developer's Contractor is responsible to submit three (3) sets of approved Construction Drawings to the District at least five (5) days, exclusive of holidays and weekends, prior to construction. H. The Developer shall be responsible for the cost of re -tests, excessive inspection and inspection during non -office hours, 8:00 a.m. to 4:30 p.m. Monday through Friday exclusive of holidays. The District will notify the Contractor and Developer when such costs are being incurred. I. Contractor shall be responsible for providing suitable means of obtaining water samples for bacteriological testing. J. No work shall take place on weekends or holidays without prior authorization from the District. Contact the District at least 48 hours (exclusive of holidays and weekends) prior to working in areas near underground utilities, pole lines, or on private property. The 05-089.05 01010-6 District will make every effort to assist with notifications received less than the 48 hours required. K. Contractor shall provide all materials, equipment and other items required to isolate and accomplish total separation of new construction. L. Prior to commencing work, Contractor shall designate, in writing, an authorized representative who shall have complete authority to represent the Contractor and shall be on the construction site at all times during work activities. 1.8 QUALITY CONTROL A. Inspection. 1. The District shall make periodic checks to verify the quality and progress of the work. The authorized agents and their representatives of the District shall be provided safe access to the work, whenever it is in preparation or progress. The Contractor shall provide for such access and for inspection, including maintenance of temporary and permanent access. 2. Materials and equipment rejected by the District shall be identified and remain onsite until approved for removal by the District. END OF SECTION 05-089.05 01010-7 JUL94 SECTION 01600 MATERIAL, EQUIPMENT AND WORKMANSHIP PART 1- GENERAL 1.1 MATERIALS AND EQUIPMENT A. Contractor shall furnish all materials, equipment, labor, and incidentals necessary for the execution, disinfection, testing, and completion of the work. Reference Section 01010 and 02646 B. All materials and equipment shall be of good quality and new, except as otherwise approved by the District. When requested by the District, the Contractor shall furnish satisfactory evidence (including manufacturer's certification) as to the kind and quality of materials and equipment, and their compliance with these specifications. a. The District shall test any manufacturer's material it deems necessary. b. It is the Contractor's responsibility to insure the manufacturer's materials supplied, meet these specifications. 2. Prior to using existing materials, written approval must be obtained from the District. C. All materials and equipment shall be installed and used in accordance with the instructions of the applicable manufacturer, fabricator, supplier or distributor, except as otherwise provided in these specifications. D. The specification of materials and equipment shall be understood to be representative of a quality of performance, operation and construction acceptable to the District. The District shall make every effort to evaluate all written requests for product substitution within thirty (30) days. a. Such requests shall include detailed product literature and a description of benefits which might be achieved by this substitution. 05-039.05 01600-1 In approving materials or equipment for installation, the District assumes no responsibility for injury or claims resulting from failure of the materials or equipment to comply with the applicable National, State, and local safety codes or requirements, or the safety requirements of a recognized agency; or failure due to faulty design concepts, or defective workmanship. END OF SECTION 05-089.05 01600-2 ZIEGLER ROAD AND KECHTER ROAD ROUNDABOUT PROJECT BID NO. 5' City of Fort Collins BID OPENING: PURCHASING DIVISION 215 NORTH MASON STREET, FORT COLLINS MAY 16, 2006 - 3:00 P.M. (OUR CLOCK) JUL94 SECTION 01656 DISINFECTION OF DOMESTIC WATER LINES PART 1 - GENERAL 1.1 DESCRIPTION A. This section addresses the filling and disinfection of potable water distribution lines. B. The Contractor is responsible for the disinfection and testing of water lines. 1.2 PRODUCT DELIVERY, STORAGE AND HANDLING A. Reference the Forwards to AWWA B300 and AWWA C651 B. Hypochlorites should be handled with extreme care. PART2-PRODUCTS 2.1 MATERIALS A. Hypochlorite. 1. Reference AWWA B300. 2. Hypochlorites for use in swimming pools shall not be allowed. B. Adhesive. 1. Any adhesive used to attached hypochlorite tablets to the interior of the pipe, -shall be a food grade adhesive, which has received US Drug Administration approval for uses that may involve contact with edible products. a. Permatex Form -A -Gasket No. 2. 05-089.05 01656-1 b. Permatex Clear RTV Silicone Adhesive Sealant C. Or an approved equal. PART 3 - EXECUTION 3.1 GENERAL A. The Contractor, with District approval, shall satisfactorily disinfect and flush new water lines prior to placing them in service, in accordance with AWWA C651. B. Filling pipe. The Contractor shall operate existing valves to fill the pipe, open air blow -offs, and hydrants. District personnel shall witness testing and operation. 2. Where permanent air vents are not available, the Contractor shall install corporation stops at high points in the water line, in order to evacuate air. a. All corporation stops, which were installed to facilitate evacuation of air from the water main, shall be removed and plugged after the water main is filled, and prior to pressure testing. 3.2 PRELIMINARY FLUSHING A. Preliminary flushing shall not be performed if the tablet method of disinfection is approved by the District. B. The pipelines shall be flushed at a minimum velocity of 2.5 ft/sec., in order to remove foreign material prior to disinfection. 3.3 METHODS A. General. The District shall: a. Determine the disinfection method to be used. 05-089.05 01656-2 b. Sample and test water from the pipe system extremities until clear, potable water is obtained. 2. The Contractor shall: a. Properly dispose of flushed water. B. Tablet method. The tablet method consists of placing calcium hypochlorite granules and tablets in the water main during construction, and filling the main with potable water when installation is completed. a. The tablet method shall not be used if trench water or foreign material has entered the water line, or if the water temperature is below forty-one degrees Fahrenheit (5° Q. i. If trench water or foreign material has entered the water line, or if the water temperature is below forty-one degrees Fahrenheit, the continuous -feed method of chlorination shall be used. b. The tablet method shall not be used for extensions which are over 1000 feet in length, or for water lines which are larger than 12-inches in diameter, without prior permission of the District. c. During construction, calcium hypochlorite granules shall be placed at the upstream end of the first section of pipe, at the upstream end of each branch main, and at 500 feet intervals. i. The quantity of granules used shall be as shown in Table 1, AWWA C651. d. During construction, 5-gram calcium hypochlorite tablets shall be placed in each section of pipe, hydrant, hydrant lateral, and other appurtenances. i. The quantity of tablets used shall be as shown in Table 2, AWWA . C651. e. Tablets and granules shall be placed in sufficient number and amount to produce a minimum chlorine concentration in the treated water of 50 milligrams per liter. 05-039.05 01656-3 f. Except in hydrants and joints, tablets shall be attached with an approved adhesive, and shall be on the top of the interior of the pipe in such a manner that there is no adhesive on the tablet except on the broad side of the tablet next to the pipe surface. i. Reference paragraph 2.1.B. g. Introduce water into the pipes at a velocity no greater than 1 ft./sec. h. The chlorinated water shall be retained in the lines for a minimum of 24 hours, at which time the treated water must contain no less than 25 milligrams per liter of chlorine throughout the entire length of the main. The chlorinated water shall be flushed within five (5) days unless otherwise approved by the District. C. Continuous -feed method The continuous -feed method of disinfecting water mains consists of placing calcium hypochlorite granules in the main during construction, completely filling the main to remove all air pockets, flushing the completed main to remove the particulates, and filling the main with potable water chlorinated so that after a 24 hour holding period in the main, there will be a free chlorine residual of not less than 10 milligrams per liter. a. Calcium hypochlorite granules shall be placed in the pipe sections during construction. i. Reference Section 3.33.1.c. b. Prior to being chlorinated, the main shall be filled to eliminate air pockets, and shall be flushed to remove particulates. The flushing velocity shall not be less than 2.5 feet per second. i. Reference Section 3.2 and AWWA C651. C. Chlorinated water shall be introduced into the water lines at a point approved by the District at a constant, measured rate so that the chlorine concentration is maintained at a minimum of 25 milligrams per liter of free chlorine. i. The entire main shall be filled with the chlorine solution. ii. Reference Table 4 of AWWA C651. 05-089.05 01656-4 iii. Prior to and during the disinfection process, valves shall be positioned so that the chlorine solution in the newly constructed main will not flow into water mains in active service. d. The chlorinated water shall be retained in the main for a minimum of 24 hours, at which time the treated water in all portions of the main shall have a free residual of not less than 10 milligrams per liter. 3.4 FINAL FLUSHING A. After the applicable retention period, the heavily chlorinated water shall be flushed from the water lines until the chlorine measurements show that the concentration in the water leaving the main is no higher than that generally prevailing in the system, or is less than 1 milligram per liter. The Contractor shall be responsible for all necessary permits and to ensure that no environmental damage occurs. Reference Appendix B of AWWA C651, for a list of neutralizing chemicals. 3.5 BA,CTERIOLOGICAL TESTS A. The District shall collect samples from the pipeline after final flushing and pressure testing, but prior to placing water lines in service, to test for bacteriological quality to show the absence of coliform and heterotrophic organisms. The District shall be given a minimum of 48 hours advance notice, prior to collecting samples. B. The number and frequency of samples shall be determined by the District based upon AWWA C651. 3.6 REPETITION OF PROCEDURE A. If the initial disinfection, or subsequent disinfections, fail to produce satisfactory samples, the main shall be re -flushed and re -sampled. If the samples are still not satisfactory, the main shall be re -chlorinated by the continuous -feed or the slug method of chlorination until satisfactory results are obtained. 05-089.05 01656-5 B. If the residual is less than 10 milligrams per liter, the water lines shall be re -chlorinated by the continuous -feed method of chlorination and retested. END OF SECTION 05-089.05 01656-6 JUL94 SECTION O1666 TESTING PIPING SYSTEM PART 1- GENERAL 1.1 DESCRIPTION A. This section addresses the hydrostatic testing of water distribution lines and services. B. Water services shall be tested with the main. C. Once the pipeline has been filled and disinfected, and backfilling has been completed and approved, a pressure test shall be conducted. The contractor shall provide all equipment and personnel to perform the hydrostatic test. a. Test equipment shall be able to maintain a continuous internal pipe pressure of 150 psi and accurately measure leakage over a two (2) hour minimum test period. b. The maximum allowable pressure gauge increment shall be 5 psi. C. A water meter shall be used to measure the amount of water used in pressurizing the system. 2. The District will record times, leakage readings and pressure over the test period. D. Testing shall not occur until at least seven (7) days have elapsed since the last concrete thrust restraint was cast, or until a minimum compressive strength of 2500 psi is achieved. E. Testing shall not occur until after the pipeline has been chlorinated and flushed. F. The pipe shall remain filled with water for a minimum of 24 hours prior to the hydrostatic pressure test. Chlorinated water for disinfection shall -be flushed within five (5) days unless otherwise approved by the District. 05-089.05 01666-1 G. Unless otherwise approved by the District, the hydrostatic pressure test shall be performed against all valves within the new piping system. 1.2 PRESSURE TEST A. "Leakage" is the quantity of water that must be supplied into the newly laid pipe, or any valved section thereof to maintain a pressure of within 5 psi of the specified test pressure, after the air has been expelled and the pipe has been filled with water. B. Test pressure. For ductile iron pipe and PVC pipe, the minimum test pressure shall be 150 psi. 2. A residual pressure of 5 psi of the test pressure shall be maintained for a minimum of two (2) hours. C. The maximum allowable leakage for each test section of ductile iron pipe, and PVC pipe is determined by the following formula: where: L=SDP"' 133,200 L = maximum allowable leakage, in gallons. S = Length of pipe tested, in feet. D = nominal pipe diameter, in inches. P = average test pressure during the leakage test, in psi. Reference AWWA C600. D. Testing and Leakage. Unless prior permission is given by the District, a test section shall not be any longer than.the length of pipe between adjacent line valves. 2. Testing through fire hydrants shall not be allowed. 1.3 PASSING A. If the tests disclose leakage greater than that specified, the defective materials and joints shall be located and repaired. 05-089.05 01666-2 The tests shall be repeated until the leakage is less than the maximum allowed. B. With the exception of obvious leaks, passing of the pressure test shall be on the basis of maximum allowable leakage per section tested. C. All visible leaks shall be repaired regardless of maximum allowable leakage. 05-089.05 01666-3 JUL94 SECTION 01710 SITE CLEANUP PART 1 - GENERAL 1.1 DESCRIPTION A. Site cleanup shall be executed during the progress of the work, and at the completion of the work. 1.2 EXECUTION A. Construction materials shall be neatly stored. B. Containers shall be provided for the collection of wasted material and debris. Containers shall be stored out of the right-of-way. C. Volatile wastes shall be stored in clearly marked, covered metal containers and removed daily. - D. Construction materials, equipment, waste containers, construction buildings, parking, etc., shall only be allowed within the limits of the construction easement. Any off -site storage of construction material, equipment, waste containers, construction buildings, parking, etc. shall be allowed only after the Contractor has obtained the written permission of the property owner. E. Upon completion of the construction, the job site shall be restored to its original condition or better. Contractor shall restore any land which will not be paved with asphalt, or concrete, to its original condition. a. All topsoil shall be restored to its original quality. b. Any areas which are stripped of vegetation prior to, or during construction, shall be reseeded. 05-089.05 01710-1 Project: Ziegler Road and Kechter Road Roundabout Date: 4/8/2006 specthem Description Estimated Unit Unit Cost It.. Cost Number Quantity Ziegler Road and Kechter Road Roundabout Quantities: - 202-01 Remove Pipe ( RCP,CMP,PVC ) 76 LF 202-02 Remove Concrete Irrigation Structures & Inlet 3 EA 202-03 Remove Concrete Headwalls 2 EA 202-04 Remove Concrete Irrigation Ditch 165 LF 202-05 Pulverize Concrete Intersection (In Place) 1120 SY 202-06 Remove Pulverized Concrete (located under landscaped center median) 215 SY 202-07 Remove Vertical Curb & Gutter 1736 LF 202-08 Remove Concrete Radius and Spandrels 1614 SF 202-09 Remove Sidewalk 6518 SF 202-10 Remove Sidewalk Chase & Concrete Run Down 1 LS 202-11 Rotomill Asphalt Pavement - Full Depth (Approximately 7" - 10") and Stockpile 6707 SY 202-12 Rotomill Asphalt Pavement (2 Depth) 5706 SY 202-13 Saw Cut Asphalt or Concrete 229 LF 202-14 Remove 19" x 30" HERCP FES 6 EA 202-15 Remove Rip Rap 25 SY 202-16 Remove Barbed Wire Fence 515 LF 202-17 Remove and Replace Existing Wood Fence 2 EA 202-18 Clean Culvert 1 EA 202-19 Remove and Relocate Gate Posts 1 LS 202-20 Remove Existing Trees, Shrubs and Landscape Treatment 1 LS 2. All exterior paved surfaces shall be broom cleaned, and left in good repair. 1.3 DISPOSAL A. In order to maintain an orderly site, waste material and debris shall be removed periodically. END OF SECTION 05-089.05 01710-2 JUL94 SECTION 01720 RECORD DRAWINGS PART 1 - GENERAL 1.1 RECORDING OF DRAWINGS A. Record Drawings shall be submitted by the Design Engineer to the Systems Engineer for review and approval. B. Each drawing shall be labeled "DRAWINGS OF RECORD" in neat large printed letters. C. Construction information shall be recorded concurrently with construction progress. D. Record Drawings shall be marked legibly and with an indelible pen. E. Record Drawings shall include, as a minimum, the following: Field dimensions, elevations, and details. 2. Changes which are made by modification. 3. Details which are not on the original Constriction Drawings. 4. Horizontal and vertical locations of underground utilities and appurtenances, referenced to a minimum of three permanent surface improvements. 5. Depths of various elements of work in relation to project datum. 6. All dimensions shall be referenced to property pins if surface improvements have not been constructed. 1.2 MAINTENANCE OF PROJECT RECORD DRAWINGS DURING CONSTRUCTION A. Record Drawings and any documents used for the preparation of said Drawings shall be stored apart from documents used for construction. 05-089.05 01720-1 B. Record Drawings shall be maintained in a clean, dry, legible condition and in good order. 1.3 SUBMISSION A. Project Record Drawings shall be submitted to the Systems Engineer with a transmittal letter containing the following: Date. 2. Project title. 3. Design Engineer's name, address and telephone number. 4. Title and number of each Record Document. B. Project Record Drawings shall be submitted on 24" x 36", 3 mil (minimum) reproducible, double -matte mylar. C. The final acceptance of the water lines and appurtenances will not be made until all District requirements are satisfied and the Project Record Drawings are received and accepted by the District. D. The District recommends that Project Record Drawings be submitted in blueline form for preliminary approval. END OF SECTION 05-089.05 b 01720-2 JUL94 SECTION 02221 TRENCHING, BACKFILLING AND COMPACTING PART 1 - GENERAL 1.1 DESCRIPTION A. This section addresses excavation and trenching; including subsurface drainage, dewatering, preparation of subgrades, pipe bedding, backfilling, compacting, and finish grading for underground pipelines, service lines and appurtenances. . B. Reference the "Standard Trench and Bedding Detail" in the appendix. 1.2 QUALITY ASSURANCE A. Soil compaction tests shall be performed in accordance with: ASTM D 2922 - Standard Test Methods for Density of Soil and Soil -Aggregate in Place by Nuclear Methods. 2. ASTM D 1556 - Standard Test Methods for Density of Soil in Place by the Sand - Cone Method. B. Construction Staking. Construction staking shall be performed under the supervision of a licensed land surveyor. 2. All survey notes and construction staking notes shall be entered into bound, hard cover field books.. 3. Adequate staking shall be provided to establish acceptable horizontal and vertical control. 4. Offsets shall be staked so that vertical and horizontal alignment may be checked. 05-089.05 02221-1 5. All survey data, which is developed by the Contractor or the Design Engineer in performing surveys which are required by the work, shall be available to the District for examination and reproduction throughout the construction period. 1.3 JOB CONDITIONS A. Drainage and Groundwater. Contractor shall obtain all necessary permits prior to starting dewatering operations. a. If groundwater will be discharged into an irrigation ditch, pond, stream or waterway, or will drain to an irrigation ditch, pond stream or waterway, a Colorado Department of Health dewatering permit will be required. b. Permit applications may take up to 30 days to be reviewed by the Colorado Department of Health. C. Contractor is required to complete and process the Discharge Monitoring Report (DMR) that are typically a part of the dewatering permit. d. Upon finishing the work, the Contractor shall be responsible for completing a Colorado Department of Health Discharge Tennination Notice. 2. Water that is encountered in the trench shall be removed to the extent necessary: a. provide hnn subgrade. b. pen -nit connections to be made in dry conditions. C. prevent the entrance of water into the pipeline. 3. Surface runoff shall be diverted as necessary to keep excavations and trenches free from water during construction. 4. The excavation or trench shall be kept free from water until the structure, or pipe, to be installed therein, is completed to the extent that no damage from hydrostatic pressure, flotation, or other cause will result. 5. The pipe under construction shall not be used for dewatering. B. Sequencing. Pipeline installation shall be performed within 300 linear feet of trench excavation. 05-089.05 02221-2 a. This distance may be amended, with the District's approval, based upon job conditions. 2. Initial trench backfill shall be performed within 300 linear feet of pipeline installation. a. This distance may be amended, with the District's approval, based upon job conditions. 3. Backfll shall be completed, at the end of each day, to the extent that no damage from hydrostatic pressure, floatation, or other cause will result. 4. Where excavation is a hazard to automotive or pedestrian traffic, the amount of open trench and the time duration of that opening is to be minimized. C. Underground Obstructions. The Design Engineer and/or Contractor shall field verify all Record Drawing information obtained from the District. 2. Contractor shall notify each Utility Owner and request utilities to be field located by surface reference. a. The request for the location of utilities shall be made a minimum of 48 hours prior to trenching or excavation (exclusive of holidays and weekends). 3. The Contractor shall expose and verify the size, location, and elevation of underground utilities and other obstructions, sufficiently in advance of construction to permit changes to be made to the Construction Drawings. a. In the event there is a conflict, the Contractor shall notify the District and the affected utility company. b. In the event there is a conflict, the proposed work may be modified, at the District's discretion. 4. Existing improvements, adjacent property, utilities, trees, and plants that are not to be removed shall be protected from injury or damage resulting from the Contractor's operations. 05-089.05 02221-3 5. If the Contractor removes any underground obstructions, the following shall apply: a. Drainage culverts may be salvaged, and reused in an appropriate location, if written approval is obtained from the District. i. All other underground obstructions shall be replaced as directed by the affected utility. ii. All field drains shall be repaired or replaced to their original condition, or better. 1.4 MAINTENANCE AND CORRECTION A. Contractor shall maintain and repair all trench settlement, resulting from Contractor negligence, which occurs within the one (1) year warranty period, and make necessary repairs to pavement, sidewalks or other structures which may be damaged as a result of trench settlement. Reference paragraph 1.7.1). of Section 0 10 10. PART 2 - MATERIALS 2.1 STABILIZATION MATERIAL A. If the existing soil in the trench bottom is judged to be unstable by the District and/or the Contractor, the unstable material shall be removed and replaced with an acceptable stabilization material. The over -excavation depth shall be a minimum of six (6) inches. 2. Stabilization material is crusher -run rock, conforming to ASTM D448, or CDOH #357. 05-089.05 02221-4 B. Geosynthetics may be used in conjunction with stabilization material, with the prior written approval of the District. 2.2 BEDDING ZONE MATERIALS A. The bedding zone shall extend from four (4) inches below the invert of the pipe to twelve (12) inches above the pipe. The pipe shall be bedded in granular material extending from four (4) inches below the pipe to the spring line of the pipe. 2. Select material shall extend from the spring line of the pipe to twelve (12) inches above the pipe. 3. Reference the "Standard Trench and Bedding Detail" in the appendix. B. Granular material shall be a uniformly graded crushed material, conforming to CDOT #67, unless otherwise noted on the approved Construction Drawings. If noted on the Construction Drawings, the granular material may be sand conforming to ASTM C 33. 05-089.05 02221-5 2. If noted on the Construction Drawings, the granular material maybe 3/8" chips conforming to CDOT #8. C. Select soil shall be either trench backfill material (which is free of rocks, clods, stones greater than 1-1/2 inches in any dimension, and which meets the other requirements of trench backfill material), or granular material 2.3 GROUND WATER BARRIERS A. If compacted soil is used for ground water barriers, it shall meet the following soil classification. 1. SC - clayey sands, sand -clay mixtures. 2. CL - inorganic clays of low to medium plasticity, gravelly clays, sandy clays, silty clays, lean clays. 3. CH - inorganic clays of high plasticity, fat clays B. Concrete used for ground water barriers shall develop a minimum compressive strength of 2,000 psi after twenty eight (28) days. 2.4 TRENCH BACKFILL MATERI.AL A. Trench backfill material shall be placed from a point twelve (12) inches above the pipe to twelve (12) inches below the ground surface or to the bottom of the pavement subgrade, whichever is greater. 05-089.05 02221-6 B. Trench backfill material shall be either soil excavated from the trench, or imported soil. Any soil used for trench backfill, shall be free from frozen matter, stumps, roots, brush, other organic matter, cinders or other corrosive material, debris, and any rocks or stones which are larger than six (6) inches, in any dimension. a. Rocks or stones which are six (6) inches or larger may be used in trench backfill material with prior written approval of the District. 2. If imported soil is used for trench backfill, it shall meet CDOT specifications for Class #1 structural backfill. SIZE PERCENT P(�}ASSING PART 3 - EXECUTION 3.1 PREPARATION A. Topsoil shall be stripped from areas which are to be disturbed by construction, and stockpiled. Topsoil shall be segregated from non -organic trench excavation material, and debris. 3.2 TRENCHING A. Trenches shall be excavated by open cut methods, except where boring or tunneling is shown on drawings, or approved by the District. B. Care shall be used when operating mechanical equipment in locations where it may cause damage to trees, buildings, culverts, or other existing property, utilities, or structures above or below ground. C. Mechanical equipment shall be operated in such a manner that the bottom elevation of the trench can be maintained with uniform trench widths and vertical sidewalls of the bedding zone. 05-089.05 02221-7 Project: Ziegler Road and Kechter Road Roundabout Date: 4/8/2006 Number Estimated titd Description Unit Unit Cost Item Cost Quantity 203-01 Clearing & Grubbing 1 LS 203-02 Remove Existing Sod 7713 SF 203-03 Unclassified Excavation 2508 CY 203-04 Embankment 4493 CY 203-05 Muck Excavation - (CIP) 75 CY 203-06 Borrow ABC (CI 5 or 6) 500 TON 203-07 Borrow Suitable Fill Material 1985 CY 203-08 Topsoil (Stripping & Stockpiling) - Top 6" 901 CY 203-09 Topsoil Placement in Planting Area @ Center Median of the Roundabout 448 CY 203-10 Topsoil Placement @ Back of Walk to easement lines 453 CY 203-11 Median Hardscape Shaping (CIP) 6117 SF 203-12 Potholing 1 LS 203-13 Import Screened Topsoil (3") - Parkway areas 165 CY 203-14 Transport and Compact In Place Reclaimed Asphalt from Stockpile 2751 SY 203-15 Swale Grading/Shaping/Blue Tops 486 LF 208-01 Erosion Control ` 210-01 Adjust Manhole Ring & Cover 210-02 Modify Manhole 210-03 Adjust Valve Box 1 LS 1 EA 1 EA 1 EA D. Trench alignment shall be sufficiently accurate to permit pipe to be aligned properly with an eight (8) inch minimum clearance between the pipe and the sidewalls of the trench or trench box. The trench sidewall shall not be undercut in order to obtain clearance. E. Preparation of trench bottom. Trench bottom shall be graded uniforinly to provide clearance for each section of pipe. 2. Loose material, water, and foreign objects shall be removed from the trench. 3. The Contractor shall provide a firm subgrade, which is suitable for placement of bedding material. 4. If the trench bottom is judged to be unstable by the District and/or the Contractor, the unstable material shall be removed and replaced with an acceptable stabilization material. a. The over -excavation depth shall be a minimum of 6-inches. b. Reference paragraph 2.1. 5. The Contractor shall over -excavate a minimum of six inches below the bottom of the pipe wherever the trench bottom is rock, or other unsuitable material. 6. Over -excavation shall be backfilled and compacted with acceptable Granular Material. a. Reference paragraph 2.2 A. F. Stockpiling excavated materials. Suitable material for backfilling shall be stockpiled in an orderly manner, and stored a minimum of two (2) feet from the edge of the trench. 2. Excess excavated materials not suitable or not required for backfilling shall be disposed of away from the immediate work area. 3. Excavated material shall not be stockpiled against or over existing structures or appurtenances. 05-089.05 02221-8 3.3 PIPE BEDDING A. Placement and compaction. Reference the "Standard Trench and Bedding Detail" in the appendix. 2. Bedding material shall be distributed and graded to provide uniform and continuous support beneath the water main at all points between bell ends, or pipe joints. a. Pipe shall not be supported by the bells. b. A minimum of four (4) inches of bedding shall be placed prior to the installation of the pipe. 3. To prevent lateral displacement, granular bedding material shall be deposited and compacted uniformly and simultaneously on each side of the pipe. a. Bedding material shall not be dropped onto unsupported pipe. 4. Granular bedding material shall be consolidated under and around the pipe. 3.4 GROUND WATER BARRIERS A. Ground water barriers shall be constricted in such a manner as to impede passage of water through bedding material for the fiill depth of the granular bedding material, and the full width of the trench. Ground water barriers shall be approximately four (4) feet long and spaced not more than four hundred (400) feet apart. 2. Both sides and the bottom of ground water barriers shall be keyed six (6) inches into existing soil, and extend up to original onsite material, or to within one (1) foot of finished grade. 3.5 CUT-OFF WALLS A. Cut-off walls shall be constructed in such a manner as to impede the passage of water through the bedding material for the full depth of the granular bedding material, and the fiill width of the trench. 05-089.05 02221-9 3.6 BACKFILLING AND COMPACTION A. All trench backfill shall be compacted. Backfill of pipe and appurtenances and around vaults and valve boxes shall be compacted with equipment and in a manner which is capable of producing the required results. B. Backfill material shall be deposited in uniform horizontal layers which shall not exceed six (6) inches (compacted depth), in all areas, unless otherwise approved by the District. C. Methods and equipment which are appropriate for the backfill of material shall be utilized. Backfill equipment or backfilling methods which may damage the pipe shall not to be used. D. Compaction shall not be performed by jetting or water settling. E. Sheeting removal (if Contractor elects to use sheeting). Do not remove sheeting prior to backfilling. 2. Use effective methods to protect the construction, other strictures, utilities and property during the sheeting removal 3. Voids left by sheeting removal shall be filled with dry sand. 4. Unless otherwise approved by the District, sheeting that is left in place shall be cut off at an elevation six (6) feet below finish grade. F. Topsoil shall be replaced to the depth of stripping over all areas which are to be reseeded. G. Excess excavated material and materials not suitable for backfill shall be disposed of properly. 3.7 FIELD QUALITY CONTROL A. This section applies to all water lines and appurtenances that are maintained by the District, and located within public right-of-way, or within easements on private property. 05-089.05 02221-10 B. Field moisture/density control. Field tests will be conducted to detennine compliance of moisture/density requirements in accordance with ASTM D 2922 (Tests for Density of Soil and Soil -Aggregate In Place by Nuclear Methods). 2. Moisture/density tests are the responsibility of the Contractor, and shall be performed by a private Geotechnical Consultant. a. The method of testing of the compacted material and the validity of the results shall be the responsibility of the Geotechnical Consultant. b. Test results shall be submitted to the District by the Contractor or the Geotechnical Consultant within 24 hours of the test, or by the end of the next working day. i. Copies of the field work sheets are acceptable. C. Summarized test results shall be submitted to the District prior to the initial acceptance of the water system. 3. Moisture/density tests shall be performed at a depth of two (2) feet above the top of the pipe bedding and in two (2) foot increments tip to the final grade. 4. Moisture/density tests shall be perforemed at a minimum of two hundred (200) linear feet, as measured along the length of the pipe, or as determined by the District. 5. Moisture/density tests in the vicinity of vaults and valve boxes shall be performed at a maximum of one (1) foot away from the vault sections or valve box. a. Tests shall be performed in random directions from the vault or valve box, on separate lifts. b. A minimum of one (1) test shall be performed for every two (2) feet of backfill material. 6. Moisture/density tests shall be performed below the finished subgrade, and a minimum of one time for each service line installed, unless otherwise specified by the Systems Engineer. 7. All failed test areas shall be re -compacted and retested. 05-089.05 02221-11 B. Compaction shall be to the following minimum densities: (Reference ASTM D 698 or AASHTO T99 unless otherwise indicated). 1. Ground water barrier material: 95% of maximum density (ASTM D 698). 2. Pipe bedding. a. Compacted granular material: 80% of relative density(ASTM D 4253 and D 4254). 3. Bedding zone: 90% of maximum dry density. 4. Trench backfill. a. Paved roadways, sidewalks and other areas which are to be paved: 95% of maximum dry density. b. Gravel roadways: 95% of maximum dry density. C. Fields and landscaped areas: 90% of maximum dry density. d. Under footings, foundations or structures: 100% of maximum dry density. e. All other locations: 95% of maximum dry density. C. Moisture content. l . All compacted backfill shall be within of 2% (+/-) of the optimum moisture content of the soil as determined by ASTM D 698. Variances may be requested by submitting a report and recommendation from a private Geotechnical Consultant accompanied with a letter that specifically identifies the variance. Submittals should be directed to the Systems Engineer. 2. Water shall be added to the material, or the material shall be harrowed, disced, bladed, or otherwise worked to insure a uniform moisture content, as specified. END OF SECTION 05-089.05 02221-12 JUL94 SECTION 02224 PIPE BORING AND JACKING PART 1 - GENERAL 1.1 DESCRIPTION A. This section is a minimum guideline and addresses the furnishing and the installation of casing pipe, either by boring or jacking. B. Each casing pipe installation shall be specifically designed by the Design Engineer. C. Reference the "Standard Pipe Casing Detail" in the appendix. 1.2 QUALITY ASSURANCES A. Design Criteria. Specified thickness for pipe and casings are based upon the superimposed loads and not upon the loads which may be placed on the pipe as a result of jacking operations. a. Increased pipe strength shall be provided as necessary to withstand jacking loads. B. Construction Criteria. Owner/Contractor shall obtain the necessary permits from the appropriate agencies, prior to commencing construction. 2. Owner/Contractor shall obtain the bonds or the indemnity which are required by the permits, for protection against any damage and interference with traffic and service, which are caused by the construction activities. 3. All excavations shall conform to the trenching, backfilling and compaction requirements set forth in Section 02221. 05-089.05 02224-1 PART 2 - PRODUCTS 2.1 CASING PIPE - SMOOTH STEEL A. The minimum yield point of smooth steel casing pipe shall be 35,000 psi. B. Smooth steel casing pipe shall conform to ASTM 139, Grade B (No hydro). Clean used pipe which is in good condition, and conforms to the requirements of this specification may be used with the prior approval of the Design Engineer and District. C. The minimum wall thickness of smooth steel casing pipe shall be detennined by the agency granting the crossing pen -nit. Reference the "Standard Pipe Casing Detail" in the appendix. D. The ends of smooth steel casing pipe shall be beveled for field welding. All field welds shall be painted with an epoxy polyamide exterior coating, or a coal - tar enamel exterior coating, which conforms to AWWA C203, Section 2. a. The minimum thickness of the exterior coating shall be sixteen (16) roil. E. Smooth steel casing pipe shall have an epoxy polyamide exterior coating, or when required by the Construction Drawings, a coal -tar enamel exterior coating. If the Contractor elects to omit the exterior coating, 1/16 inch shall be added to the required thickness of the casing pipe. 2.2 ACCESSORIES A. Casing Seals. Casing seals shall be constructed of either high density rubber casing seals with stainless steel straps, or with clean solid bricks and mortar and grout. a. The acceptable type and manufacturer of high density rubber casing seals are: Pipeline Seal and Insulator Co., Model W. 05-089.05 02224-2 ii. Or an approved equal. B. Casing chocks. 1. Casing chocks shall be constructed of either redwood, stainless steel or polymer runners. a. If stainless steel or polymer casing chocks are used, they shall be twelve (12) inches long, and there shall be three (3) per joint. b. Acceptable manufacturers are: i. Cascade Water Works. ii. Power Seal. iii. An approved equal. 2. The carrier pipe barrel shall be supported in accordance with the "Standard Pipe Casing Detail", see appendix, and asmodified on the approved Construction Drawings. C. Grout. I . Grout shall consist of I part Portland Cement and 3 parts sand. D. Bands. 1. Bands shall be a minimum .015 inches thick and 3/4-inch. PART 3 - EXECUTION 3.1 CASING INSTALLATION A. General. 1. Vertical and horizontal offset staking shall be provided at both ends of bored or jacked crossings. 05-089.05 02224-3 2. Casing pipe shall be installed at the grade and alignment shown on the Construction Drawings. a. Grade and alignment shall not deviate by more than 0.3 feet from that shown on the Construction Drawings. 3. Casing pipe shall be installed as indicated in the Construction Drawings, whether that is by open trench excavation or by jacking methods. a. Open trench installation of the casing pipe shall be in accordance with Section 02221. 4. The earth which is displaced by the casing pipe shall be disposed of properly B. Smooth Steel Pipe. Contractor shall provide a smooth, continuous, and uniform casing pipe with no exterior voids. 2. Each section of casing pipe shall be welded with a Rill penetration butt weld around the entire circumference of the joint to form a watertight continuous conduit capable of resisting all stresses, including jacking stresses. 3. A seventeen (17) pound high potential magnesium anode shall be installed at each end of the casing pipe. C. Grouting. All spaces between the casing pipe and the earth shall be filled with grout. a. Grout connections on the interior of the casing pipe shall be provided at ten (10) feet (O.C.) intervals. 2. Grouting operations shall be performed in a sequence which will preclude any deflections which exceed 5 per cent of the tunnel diameter. 3. After the grout is in place, each hole shall be plugged in order to prevent the backflow of grout. 05-039.05 02224-4 3.2 CARRIER PIPE INSTALLATION A. Carrier pipe shall be installed at the grade shown on the Construction Drawings. B. Each section of pipe shall have a minimum of three (3) stainless steel or polymer casing chocks or shall have three (3) redwood skids centered every 120 degrees around the pipe. C. If redwood skids are used, each skid shall be individually attached to the pipe with a minimum of three (3) stainless steel bands. Redwood skids shall be twelve (12) feet long if three skids are used per joint, or four (4) feet long if six (6) skids are used per joint. D. The annular space between the casing and the carrier pipes shall be left vacant. E: The ends of the casing pipe shall be sealed with casing seals, or brick and mortar. END OF SECTION 05-089.05 02224-5 Project: Ziegler Road and Kechter Road Roundabout Date: 4/8/2006 Spec/fie. Number Description Estimated Quantity Unit Unit Cost Item Cost 210-04 Modify Valve Box 1 EA 210-05 Adjust Existing Fire Hydrant To Proposed Grade 1 EA 210-06 Add Valve Extension Keys To Existing Water Valves 5 EA 210-07 Raise City of Fort Collins Light and Power Electric Vault Manhole Cover to Paving Grade 1 EA 210-08 Expose Existing CMP Remove 15' Of CMP 1 EA 210-09 Expose Existing CMP Remove 3' Top Of Pipe 6 EA 210-10 Insert 12" SDR-35 Sewer Pipe In Existing CMP 140 LF 210-11 Adjust Sprinkler Box/Cap Existing/ Modify Irrigation System 2.00 EA 304-01 Aggregate Base Course - (Cl 5 or 6) - 6" Depth - (CIP) 1,873 TON 304-02 ABC - (Cl 5 or 6) - 6" Depth - (CIP) - Patch Placement 85 TON 306-01 Reconditioning - (8") 11,899 SY 307-01 Flyash Subgrade Stabilization - (12%) 5678 SY 403-01 Hot Bituminous Pavement - Grading S - 100 (3" Depth) - (PG 64-28) 635 TON 403-02 Hot Bituminous Pavement - Grading SG - 100 (6" Depth) - (PG 58-28) 1269 TON 403-03 Hot Bituminous Pavement - Grading S - 100 (2" Depth) - (PG 64-28) Overlay 627 TON 403-04 Asphalt Patching - Grading SG - 100 (5" Depth) - (PG 58-28) 82 TON 412-01 Portland Cement Concrete Pavement (10") 1344 SY JUL94 SECTION 02575 PAVEMENT REPAIR AND RESURFACING PART 1 - GENERAL 1.1 DESCRIPTION A. This section addresses surface obstructions which the Contractor must remove and replace, such as pavement, drives, curbs, gutters, sidewalks, and similar surfaces, as required to perform the work. B. The words Standard Street Specifications, as used herein, refer to the current Design Criteria and Standards for Streets of the agency having jurisdiction. PART 2 - MATERIALS 2.1 AGGREGATE, ASPHALT AND CONCRETE A. All materials, such as but not limited to aggregate, bituminous material, and concrete, which are used in the repair of surface obstructions, shall conform to the Standard Street Specifications. PART 3-EXECUTION 3.1 MANHOLE FRAMES AND VALVE BOXES A. Prior to placing the base course, manhole frames and water valve boxes shall be raised to final grade. Manholes/vaults shall be adjusted using a minimum of 4" and a maximum of 12" of concrete shims and mortar. B. All foreign matter shall be removed from the manhole holes and valve boxes immediately. C. All valve boxes and manhole rings shall be straight and properly aligned. Valve boxes shall be inspected by placing a valve key on the operating nut to assure a proper alignment and that the valve box is plumb. 3.2 ASPHALT AND CONCRETE, INCLUDING BASE AND GRAVEL SURFACING A. The Contractor shall remove, dispose of, and restore asphalt, concrete pavement, curbs, drives, sidewalks and gravel surfacing in accordance with the Standard Street Specifications. 05-089.05 02575-1 1. Contractor shall repair any damage to existing pavement, curbs, drives, or sidewalks which was caused by the work, as shown on the Construction Drawings or as directed by the District. B. Concrete drives, curbs, gutters, sidewalks, and similar structures shall be removed, disposed of, and restored in accordance with the Standard Street Specifications, with the following minimum thickness: 1. Driveways and slabs shall be a minimum six (6) inches thick. 2. Patios shall be a minimum four (4) inches thick. 3. Gutters shall be a minimum six (6) inches thick. 4. Concrete bases for brick pavers and concrete pavement shall be a minimum six (6) inches thick. 5. Sidewalks shall be a minimum six (6) inches thick. 6. Cross pans shall be a minimum eight (3) inches thick. C. Reference Section 03300. 3.4 FIELD QUALITY CONTROL A. Reference the Standard Street Specifications of the agency having jurisdiction. END OF SECTION 05-039.05 02575-2 JUL94 SECTION 02615 DUCTILE IRON PIPE PART I - GENERAL 1.1 . DESCRIPTION A. This section addresses ductile iron pipe. B. Pipe shall be furnished complete with all fittings, flanges, specials and other accessories. 1.2 PRODUCT DELIVERY, STORAGE AND HANDLING A. Handling 1. Slings, pipe tongs or skids shall be used for handling pipe. 2. Pipe or fittings shall not be dropped. 3. Care must be taken to prevent damage to the pipe and fittings by impact, bending, compression, or abrasion. 4. Damaged pipe or fittings shall not be installed. B. Storage 1. Lubricant shall not be stored and used in a manner which will contaminate the lubricant. 2. Rubber gaskets shall be stored in a location which protects them from deterioration or damaged. 3. The maximum stacking heights of pipe as listed in AWWA C600, shall not be exceeded 05-089.05 02615-1 PART2-PRODUCTS 2.1 DUCTILE IRON PIPE A. All ductile iron pipe, with push -on joints, shall be manufactured in accordance with ANSI A21.51-86(AWWA C151) B. All ductile iron pipe, with flanged, flat faced joints, shall be manufactured in accordance with ANSI A21.15-83(AWWA C 115). C. Ductile iron pipe which is twelve (12) inches and smaller in diameter shall have a working pressure rating of 350 psi. D. Ductile iron pipe which is larger than twelve (12) inches in diameter shall have a working pressure rating of 250 psi. E. Flanged ductile iron pipe with threaded flanges shall be Class 53 pipe. F. All ductile iron pipe shall have nominal laying lengths of either eighteen (18) or twenty (20) feet. Random pipe lengths are not acceptable, except when using restrained joint pipe. 2.2 FITTINGS AND COUPLINGS A. All fittings and couplings shall be manufactured in accordance with AWWA C 104, Cl 10, and Cl 11. B. All fittings and couplings shall have one of the following types of connections: Flanged joint. 2. Mechanical joint. 3. Push -on joint. C. All fittings and couplings shall be made of either gray -iron or ductile iron, and have a minimum working pressure rating of 250 psi. 05-089.05 02615-2 2.3 JOINTS A. All mechanical and push -on joints shall be manufactured in accordance with ANSI A21.11-85(AWWA C111). Unless specified otherwise, all gaskets shall be as recommended by the manufacturer. 2. Lubricant shall be that which is specified by the pipe manufacturer. 3. All nuts and bolts shall be high -strength low -alloy COR-TEN, manufactured in accordance with ANSI-A21.11-85(AWWA C111). B. All ductile iron pipe with threaded flanged joints shall be manufactured in accordance with ANSI A21.15-83(AWWA C115). All flanges shall be sized and drilled in accordance with ASME/ANSI B 16.1: Cast Iron Pipe Flanges and Flanged Fittings, Class 125. 2.4 PIPE LINING A. All ductile iron pipe shall have a standard thickness cement mortar lining. Ductile iron pipe which is twelve (12) inches and smaller in diameter shall have a cement mortar lining with a minimum thickness of 1/16 inch. 2. Ductile iron pipe which is larger than twelve (12) inches in diameter shall have a cement mortar lining with a minimum thickness of 3/32 inch. B. All ductile iron pipe lining shall conform to ANSI A21.4-85(AWWA C 104). 2.5 PIPE COATINGS A. All ductile iron pipe shall have a bituminous coating on the pipe exterior, unless otherwise specified. The minimum thickness of the bituminous coating shall be one (1) mil. 05-089.05 02615-3 2.6 ACCESSORIES A. Joint restraining devices. 1. Push -on and mechanical joints may be restrained with the use of. a. Megalugs, EBAA Iron Inc. b. Uni-Flange, Uni-Flange Corp. C. Approved equal B. Polyethylene encasement. 1. The polyethylene used in polyethylene encasement shall conform to ASTM D 1248. 2. The minimum thickness of the polyethylene shall be 8 mil. 3. Polyethylene encasement shall be installed in accordance with ANSI A21.5/AWWA C105. PART 3 - EXECUTION 3.1 INSTALLATION A. Reference Part 3 of Section 02713 END OF SECTION 05-089.05 02615-4 JUL94 SECTION 02641 VALVES PART 1 - GENERAL 1.1 DESCRIPTION A. This section addresses valves, valve operators, valve boxes, and valve appurtenances used for water distribution lines. 1.2 PRODUCT DELIVERY, STORAGE, AND HANDLING A. Precautions shall be taken to prevent damage to materials during delivery and storage. B. Valves shall be stored off of the ground and away from materials that could contaminate potable water systems. C. Precautions shall betaken to keep all joints and internal parts clean. PART2-PRODUCTS 2.1 GENERAL A. All valves shall open counter -clockwise (left). 1. All nuts and bolts shall be high -strength, low -alloy COR-TEN, manufactured in accordance with ANSI A21.15\AWWA C115. B. All buried valves shall have a two (2) inch square operating nut. 1. All operating nuts shall be painted black. C. Any valve which will be placed in a vault, shall have a valve operator which is specifically approved by the District. 05-089.05 02641-1 2.2 GATE VALVES A. All gate valves shall be a resilient seat type and manufactured in accordance with AWWA C509. 1. All gate valves shall have an epoxy coated interior. 2. Acceptable manufacturers of gate valves are: a. Mueller b. Clow c. Waterous d. M&H e. American AVK f. There will be no substitutions allowed. B. All gate valves shall be provided with two O-ring type stem seals, in accordance with Section 4.8 of AWWA C509. C. The operating nut on all gate valves shall be between four (4) and five (5) feet below finish grade. 1. If, in order to achieve the operating nut depth noted above, it is necessary to use a riser stem, the riser stem shall be pinned. 2.3 TAPPING VALVES A. All tapping valves shall be resilient seat type and manufactured in accordance with AWWA C509. B. All tapping valves shall be provided with two O-ring type stem seals, in accordance with Section 4.8 of AWWA C509. C. All tapping valves shall be equipped with an alignment ring on the flanged side of the valve. 2.4 BUTTERFLY VALVES A. Butterfly valves shall be used when the pipe is larger than twelve (12) inches in diameter. B. All butterfly valves shall conform to AWWA C504. 1. All butterfly valves shall have an epoxy coated interior. 05-089.05 02641-2 2. All flanged butterfly valves shall be the short body type. 3. All butterfly valves shall be Class 150B. 4. The operator torque shall be as specified in Appendix A, of AWWA C504. 5. Acceptable manufacturers of butterfly valves are: a. Mueller b Pratt c. Centerline d. M & H e. Keystone f. or approved equal 2.5 VALVE BOXES A. Main Line Valves 1. Valve boxes shall be Tyler 5 1/4 inch shaft, screw -type with the word "WATER" cast into the lid. 2. Valve box bases shall be: a. Tyler 6860 series with a #6 base b. Tyler 6850 series c. or approved equal B. Service Line Valves 1. All valve boxes which will be used as service line curb stops (3/4" to 2"), shall not be located under driveways. a. Reference Section 02646. 2. Valve boxes for service line valves which are four (4) inch or larger, shall be Tyler 5 1/4 inch shaft, screw type with the word "WATER" cast into the lid. 05-089.05 02641-3 2.6 AIR RELIEFNACUUM RELIEF VALVES A. Reference the "Typical Air and Vacuum Relief Valve Installation" drawing in the appendix. B. Materials and Construction. 1. Air relief and vacuum relief valves shall have an integral type assembly which will function both as an air release and vacuum valve. 2. All air relief and vacuum relief valves shall be rated at a working pressure of 150 psi. and a minimum hydrostatic test pressure of 250 psi. 3. The size of air relief and vacuum relief valves shall be as noted on the Construction Drawings. 4. Taps for air relief valves and vacuum relief valves shall be made as indicated on the Construction Drawing, unless otherwise directed by the District. 5. All piping shall be brass. 6. Connections: a. The inlet connection for air relief and vacuum relief valves shall be a minimum two (2) inches in diameter conforming to AWWA C800. b. Connections on the outlet side of air relief and vacuum relief valves shall be threaded and shall be protected to minimize entry of debris and dirt into the valve. 7. The body of all air relief and vacuum relief valves shall be either cast iron, conforming to ASTM A48-Class 35A, or ductile iron, conforming to ASTNI A27-GR U60-30. 8. The working parts and seats of air relief and vacuum relief valves shall be brass, stainless steel, or other non -corroding material. 9. The float of air relief and vacuum relief valves shall be stainless steel. 10. All air relief and vacuum relief valves shall be watertight to a pressure of 200 psi. C. Manufacturers 1. Acceptable air release and vacuum relief valves, and their manufacturers are: a. APCO Combination Air Release Valve, by Valve and Primer Corporation. 05-089.05 02641-4 Project: Ziegler Road and Kechter Road Roundabout Date: 4/8/2006 speclltem Description Estimated Unit Unit Cost Item Cost Number Quantity 506-01 6' x U x 1.5' Type L Rip Rap Pad w/ 6" Type II Bedding & 6" Topsoil Cover 2 EA 603-01 19" x 30" HERCP Class III 137 LF 603-02 12" RCP Class III 44 LF 603-03 15" RCP Class III 90 LF 603-04 15" RCP Class III FES 1 EA 603-05 24" Class III RCP w/ water fight joints (ASTM C443) 40 LF 603-06 8" Sewer SDR-35 21 linear feel with Headwalls 1 LS 603-07 Field Collar on 19" x 30" HERCP 6 EA 603-08 29" x 45" HERCP Class III 40 LF 604-01 5' Type R Inlet 2 EA 604-02 Area Inlet with 6" Oriffice Plate 1 EA 604-03 4' Concrete Sidewalk Culvert 1 LS 604-04 4' Sidewalk Chase with a 32' x 2' Concrete Trickle Pan 1 EA 604-05 Modification Of Pond Inlet on Homestead Property 1 LS 604-06 14' x 14' Manhole Concrete Box with 30" Manhole Frame and Cover for Access - (CIP) 1 EA 604-07 Median Underdrain Pipe System - (4" Perforated Pipe) 135 LF 604-08 Median Underdrain Pipe System - (4" Solid Pipe) 55 LF 604-09 Tie To Existing Manhole 1 EA 604-10 Concrete Encasements 8 EA b. Crispin Universal Air Valve, by Multiplex Manufacturing. c. CAV Combination Air Release and Vacuum Valve, G.A. Industries Inc. 2.7 CHECK VALVES A. Acceptable check valves and their manufacturers are: 1. G.A. Industries, Inc., 250 D with renewable bronze seat. 2. American Darling, 52 SC. 3. Mueller, "Detector Gravity". 4. Watts 5. or approved equal B. All check valves shall be rated at a working pressure of 150 psi. PART 3 - EXECUTION 3.1 INSTALLATION A. Valves and valve boxes shall be examined for cracks, dents, abrasions, and other flaws prior to installation. 1. Defective valves and valve boxes shall be marked and removed from the site. B. Valves 1. With the exception of tapping valves, flanged valves shall not be buried. 2. The valve shall be installed in such a manner that the operating nut is perpendicular to the ground surface. 3. The joined valve shall be supported in place on compacted granular material. a. Reference Section 02221. C. Tapping Valves. 1. Tapping valves shall be installed in accordance with the manufacturers recommendations. 05-089.05 02641-5 2. Tapping valves and sleeves are to be air pressure tested to 125 psi, no leakage for 5 minutes, prior to proceeding with the wet tap. D. Valve Boxes. 1. Valve boxes shall be installed on all buried valves. 2. Valve boxes shall be installed so that no stress is transmitted to the valve. 3. Valve operators which are mounted to one side of the valve, shall be located to the south or west of the valve. 4. Valve boxes which are to be set over the valve shall be centered, plumb and directly over the operating nut and valve with the top of the box on grade. a. The soil around the valve box shalt be carefully compacted around the barrel, with hand equipment, to minimize misalignment and the settling of the backfill. b. Other valve box types shall be adjusted as required on the Construction Drawings. 3.2 AIR RELIEF/VACUUM RELIEF VALVES A. Air relief and vacuum relief valves shall be installed at high points, and as shown on the Construction Drawings. B. Air relief and vacuum relief valves shall be installed in accordance with the "Typical Air and Vacuum Relief Valve Installation" drawing, in.the appendix, and as modified on the approved Construction Drawings. 3.3 PRESSURE REGULATING VALVES A. Pressure regulating valves shall be evaluated on a case -by -case basis. 3.4 OPERATION A. Valves which have been accepted by the District, shall be operated by District personnel only. END OF SECTION 05-089.05 02641-6 JUL94 SECTION 02713 WATER DISTRIBUTION SYSTEM PART 1 - GENERAL 1.1 DESCRIPTION A. This section addresses the installation of water distribution mains, and includes the acceptable products, materials, and construction practices which may be used in the installation of water distribution mains. 1.2 QUALITY ASSURANCE A. Water system installations shall conform to the regulations of the Colorado Department of Health, and the Water Quality Control Commission. B. Construction staking. 1. Reference Section 02221. C. Horizontal alignment shall not be deviated from by more than six (6) inches. D. Vertical alignment shall not be deviated from by more than three (3) inches, as measured from the pipe invert. E. The minimum effective area of thrust blocks, shall be as specified in "Standard Concrete Thrust Blocks" drawing in the appendix. 1.3 PRODUCT DELIVERY, STORAGE AND HANDLING A. Reference Sections 02615, 02622, 02641, 02644, 02646 1.4 JOB CONDITIONS A. Foreign material, including trench water, shall not be permitted in the pipe. B. Debris, tools, clothing, or other material shall not be permitted in the pipe. C. In order to prevent water, debris, and animals from entering the pipe, the open ends of the pipe shall be plugged with a restrained, watertight plug when pipe laying is not in progress. D. Effective measures shall be used to prevent uplifting or floating of the pipeline prior to completion of the backfilling operations. 05-089.05 02713-1 E. Pipe shall not be installed under the following conditions: 1. When the trench contains water. 2. When weather conditions are unsuitable. a. Temperature is less than 100 Fahrenheit. District written approval is required when the temperature is 32' Fahrenheit or less. b. Snowing heavily. C. Raining heavily. d. High winds. 3. When the trench bottom is unstable. F. Pipe and appurtenances shall be protected against dropping and damage. 1. Pipe and appurtenances shall not be used if they are damaged. PART2-PRODUCTS 2.1 PIPE A. The same type of pipe material shall be used for each size pipe. 1. Pipe material shall not be interchanged, except where another type of pipe material is specifically indicated. B. Reference Section 02641. 2.2 VALVES A. Reference Section 02641. 2.3 HYDRANTS A. Reference Section 02644. 05-089.05 02713-2 2.4 BLOW -OFFS A. M & H Style 33 B. Mueller A-411 C. Or approved equal. 2.5 SERVICE LINES, METERS, APPURTENANCES A. Reference Section 02646. 2.6 TAPPING SLEEVES A. Tapping sleeves and valves are required for connections to existing distribution mains unless otherwise indicated on the Construction Drawings. B. Tapping sleeves for PVC and Ductile Iron pipe shall be a stainless steel construction with a ductile iron flange, Acceptable manufacturers are: 1. ROMAC 2. Ford 3. Approved equal. C. Tapping sleeves for Steel pipe shall be a weld -on type approved by the District. 2.7 CONCRETE VAULTS AND MANHOLES A. Mortar. 1. Mortar shall be Sand -Cement grout using the following ratio: a. One (1) part Portland Cement; conforming to ASTM C150, Type 1/H. b. Two (2) parts sand; conforming to ASTM C 144. C. One half (1/2) part hydrated lime; conforming to ASTM C207, Type S. 05-089.05 02713-3 B. Grout 1. Grout shall be one of the following: a. Pre -mixed non-metallic grout; acceptable types and manufacturers listed below: i. Master Builders; "Embeco Mortar". ii. Sonneborn; "Ferrolith G-D.S. Redi-Mixed". iii. Approved equal. b. Job -nixed grout shall use the following ratio: i. One (1) part Portland Cement; conforming to ASTM C207, Type I/II. ii. One (1) part sand; conforming to ASTM C144. iii. One (1) part shrinkage correcting aggregate. Acceptable types and manufacturers are: Master Builders; "Embeco Aggregate". Sonneborn; "Ferrolith G-D.S." Approved equal. C. Steps 1. All steps shall be made of one of the following materials: a. Aluminum. b. Copolymer polypropylene plastic conforming to ASTM C478 and ASTM C497. C. Acceptable steps and their manufacturers are: i. Neenah; R-1982-W. ii. M. A. Industries; PS-2-PFS. d. All steps shall be spaced twelve (12) inches apart (O.C.) e. The maximum distance from the cover to the top most step shall be twenty four (24) inches. f. The maximum distance from the bench of the manhole to the lowest step shall be eighteen (18) inches. 05-089.05 02713-4 D. Pipe Penetration seals. 1. Acceptable seals and their manfacturers: a. LINK -SEAL; Thunderline Corp. b. Approved equal. PART 3-EXECUTION 3.1 INSPECTION A. Pipe barrel and fittings shall be free of dirt or other foreign objects prior to installation. B. Pipe and fittings shall be inspected for cracks, dents, abrasions or other flaws prior to installation. C. Pipe and fittings with damaged linings or coatings shall be rejected. l . Defective pipe shall be marked and shall not be removed from the site unless approved by the District. 3.2 PREPARATION A. Trenching, backfilling and compaction. 1. Reference Section 02221. B. Connections. 1. The location and elevation of the existing pipe shall be verified prior to construction. D. Joints 1. Dirt, oil, grit, and other foreign matter shall be. removed from the inside of the bell and outside of the spigot. 2. A thin film of lubricant shall be applied to the inside of the gasket and the spigot end of the pipe, per the manufacturer's recommendations. 3. The lubricated joint shall be kept clean until joined. 4. The pipe shall have a depth mark prior to the assembly to insure that the spigot end is inserted to the proper depth of the joint. 05-089.05 02713-5 5. Stabbing the pipe shall not be allowed. 6. Previously completed joints shall not be disturbed during the jointing operation. 7. All joints shall be watertight and free from leaks. 8. After the initial acceptance of the water main, the Contractor shall be responsible for the repair of any leak, resulting from improper workmanship or materials, which is discovered within the one (1) year period. 3.3 PIPE INSTALLATION A. All pipe shall be installed with the bells pointing in the direction that the work is progressing. B. The Contractor shall employ effective measures to prevent the opening of joints during bedding and backfilling operations. Bedding material shall not be dropped onto unsupported pipe, which has been set to alignment and grade. C. The joint shall be completed in accordance with the pipe material specification, and the pipe shall be adjusted to the correct line and grade as each length of pipe is placed in the trench. Pipe shall be laid and maintained at required lines and grades as specified in the approved Construction Drawings. D. Ductile iron pipe shall be installed with polyethylene encasement. E. Tracing wire shall be installed with PVC pipe. Reference Section 02622 F. The pipe shall be secured in place with the specified bedding consolidated under and around the pipe. G. The pipeline shall be installed so that a uniform positive or negative grade is maintained between the designed high and low points. H. The minimum depth of cover shall be five (5) feet from the finished grade to the top of the pipe, except as otherwise indicated on the Drawings. I. The maximum depth of cover shall be six (6) feet from the finished grade to the top of the pipe, except as otherwise indicated on the Drawings. 05-089.05 02713-6 J. Concrete encasement shall be provided where indicated on the Construction Drawings only. Written District approval is required for all other cases. 1. Cast -in -Place Concrete. a. Reference Section 03300. 2. At any location where water mains cross sewer lines and there is less than 18-inches of vertical clear distance, the crossing shall be constructed by one of the following methods: a. One length of pipe, with a laying length of 18-feet, or greater, shall be installed. The pipe shall be centered on the crossing such that no pipe joints are within ten (10) feet. ii. Any joint within ten (10) feet of the centerline of the water pipe, as measured perpendicular to that pipe, shall be encased in six (6) inch reinforced concrete 3. Suitable backfill or other structural protection shall be provided to prevent settling or failure of the higher pipe. 3.4 THRUST RESTRAINT A. Anchorage and blocking. Reference the "Standard Concrete Thrust Blocks" drawing in the appendix. 2. Concrete thrust blocks and anchors for preventing pipe movement shall be provided at all mechanical joint plugs, wyes, tees, crosses, bends which deflect l 1-1/4 degrees or more, reducers and valves. 3. The minimum size of thrust blocks and thrust anchors shall be determined from the table in the "Standard Concrete Thrust Blocks" drawing in the appendix. 4. The concrete thrust block bearing surface shall be excavated into undisturbed soil. a. All loose soil shall be disposed of, and the location where the thrust block is to be poured shall be carefully shaped to provide a uniform bearing surface of the required size. b. The concrete thrust block bottom shall be flat, and sides shall be vertical. C. If soil is to be disturbed, making a concrete thrust block or thrust anchor unusable, alternate restraining systems must be approved by the District prior to pipeline installation. 05-089.05 02713-7 5. The concrete thrust block shall be formed to provide access to fittings, valves and hydrants. 6. The concrete thrust block shall be extended from the fitting or valve to be blocked, to solid undisturbed earth. a. Concrete thrust blocks shall be constructed so that joints and drain holes are clear and accessible. 7. Concrete shall be separated from fittings, valves and hydrants by an 8 mil polyethylene film. a. Concrete shall not be poured directly on or over fittings, nuts, bolts, flanges, etc.. S. The District shall be notified 24 hours before concrete is placed. B. Restraining Devices If concrete thrust blocks cannot be used for any reason, push -on and mechanical joints may be restrained with mechanical restraint systems. 2. The Engineer shall determine the length of pipe to be restrained for each situation where mechanical restraint systems are installed. 3. Approved mechanical restraint systems are: a. Megalugs, EBAA Iron, Inc b. Uni-Flange, Uni-Flange Corp. C. Approved equal 3.5 INSTALLATION OF PIPELINE APPURTENANCES A. Valves, meters, hydrants and other appurtenances to the water distribution lines shall be installed at the locations shown on the Construction Drawings, or as approved by the District to accommodate field conditions. Measurements of the actual location of appurtenances shall be made prior to backfilling for recording in the Project Record Drawings. B. All dead-end water lines will be plugged and have a thrust block poured against the plug. Dead-end water lines that will be extended in the future, shall have a valve which controls that section of waterline left in the on position. 05-089.05 02713-8 Project: Ziegler Road and Kechter Road Roundabout Date: 4/8/2006 SpeciItem Number - Description Estimated Quamity Unit Unit Cost Item Cost 604-11 10 Mill Viscreen Plastic 2303 SF 604-12 1 1/2" Class 200 PVC Irrigation Main 130 LF 604-13 4" Conduit Sleeving 200 LF 604-14 6" Conduit Sleeving 250 LF 607-01 Smooth Wire Fence 515 LF 608-01 Colored Concrete Truck Ramp (Approved Red) - 6" 2563 SF 608-02 4'-5'-6'-7'-8' Sidewalk 13301 SF 608-03 Enhanced Colored Concrete Cross Walks (Red) w/ 2' stamped borders 1578 SF 608-04 Expossed Aggregate Concrete Median Splashblock" San Diego Buff' 6117 SF 608-05 Flowfill Over Shallow Utilities - 300 LF 608-06 Flowable Fill Concrete 100 CY 608-07 High Early Concrete (24 Hour) 75 CY 608-08 MSE Amastone Wall in the Center Median of the Royndabout 190 LF 609-01 30" Vertical Curb & Gutter 1836 LF 609-02 30" Vertical Curb & Gutter (6" Mountable 2' Inflow Gutter between ramps in all corners) 442 LF 609-03 18" Outfall Curb & Gutter 1060 LF 609-04 18" Outfall Curb & Gutter (6" Mountable 2' Outfall Gutter around center island) 263 LF 609-05 R&R Vertical Curb and Ginter 20 LF 609-06 R&R Concrete Sidewalk 30 SF C. Blow -offs will not be allowed to be permanently installed on dead-end water lines unless otherwise approved by the District. Dead-end water lines, which have services, shall have a fire hydrant at the end of the waterline to facilitate the discharge of air and water from the waterline. a. If the waterline is to be extended in the future, the fire hydrant may be installed temporarily, until the extension occurs. D. Blow -offs which are installed by the Contractor during construction shall be abandoned at the main prior to acceptance of the waterline. E. Install marker posts at all line valves, air valves, and at intervals not to exceed 1,000 feet as determined by the District. 3.6 PROTECTION OF METAL SURFACES A. If the supplied material has not been factory coated, or the coating has been damaged by installation, the material shall be protected by one of the following methods: Two coats of coal tar paint shall be applied to ferrous metal rods, rebar, clamps, bolts, nuts and other accessories which are subject to submergence or contact with earth or fill material, and are not encased in concrete. a. The first coat of coal tar paint shall be applied to a dry, clean surface. b. The first coat of coal tar paint shall be allowed to dry before the second coat is applied. 2. Ferrous metal rods, rebar, clamps, bolts, nuts and other accessories which are subject to submergence or contact with earth of fill material, and not encased in concrete shall be protected with coal tar paint or a rubberized spray -on undercoating, and wrapped by a minimum 8 mil polyethylene film. a. The rubberized spray -on undercoating shall be either: i. NAPA: Mac's Rubberized Undercoating ii. Tite-Seal Rubberized Undercoating iii. Or approved equal. 05-089.05 02713-9 3.7 CONCRETE MANHOLES AND VAULTS A. Manholes/vaults shall be constructed at the location and elevation indicated on the approved Construction Drawings, or as directed by the Systems Engineer to accommodate field conditions. The location of manholes/vaults shall be referenced by the Design Engineer, to a minimum of two permanent surface references, and recorded of the Record Drawings. 2. Water tight seals shall be installed at all pipe penetrations. B. The manhole/vault shall be set plumb. Precast concrete adjustment rings shall be used to bring the ring and cover to grade. a. The total height from the top of the manhole/vault to the finish street grade shall not exceed sixteen (16) inches unless otherwise indicated. b. Adjustment rings shall be joined using a minimum one (1) inch mortar bed. C. All joints, lifting holes and other imperfections shall be tilled with non -shrink grout to provide a smooth finished appearance. END OF SECTION 05-089.05 02713-10 JUL94 SECTION 03300 CAST -IN -PLACE CONCRETE PART 1 - GENERAL 1.1 DESCRIPTION A. This section covers cast -in -place concrete for thrust restraints, encasement, and cut-off walls, including forms, reinforcing steel, finishing and curing, and other appurtenant work. PART 2-PRODUCTS 2.1 CEMENT A. All cement shall be Portland Cement. 1. Portland Cement shall conform to ASTM C 150. 2. Portland Cement shall be Type UII or Type V. a. 12, 24, or 48 hour concrete mixtures may be used with prior approval of the District. b. Acceptable manufacturer of early strength cement is Quix Strength, or an approved equal. 2.2 AGGREGATES A. All fine and course aggregate shall conform to ASTM C33. 2.3 WATER A. All water shall be free from objectionable quantities of silt, organic matter, alkali, salts, and other impurities or conform to ASTM C94. 05-089.05 03300-1 2.4 ADMIXTURES A. An air -entraining agent shall be used in all concrete. I . All air -entraining agents shall conform to ASTM C260. B. A water -reducing admixture may be used. I . A water -reducing admixture shall conform to ASTM C494, for Type A or Type D chemical admixture. 2. The water -reducing admixture shall not contain any calcium chloride. 3. The water -reducing admixture shall be compatible with the cement being used. C. Accelerators 1. Accelerators shall conform to ASTM C494 and ACI 306. a. If calcium chloride is used as an accelerator, the amount used should not exceed 2%, by weight, of the cementatiuos material. b. Calcium chloride shall be in solution prior to adding it to the batch process. D. Fly -Ash 1. When fly -ash is used in concrete, the cement replacement shall not exceed 20%. a. Class C or Class F fly -ash shall conform to ASTM C618. E. Any admixtures except air entraining agents and accelerators, must be approved by the District. 2.5 CONCRETE REINFORCEMENT A. All deformed reinforcing bars shall conform to ASTM A615 or ASTM A617. 1. All bars shall be either Grade 40 or 60. B. All welded steel wire fabric shall conform to ASTM A185. 05-089.05 03300-2 PART3-CONCRETE 3.1 GENERAL A. Concrete shall have a minimum of 6 sacks per cubic yard, and shall be allowed to develop a minimum compressive strength of 3,000 psi at 28 days. B. Concrete shall have a maximum allowable water/cement ratio of 0.50, by weight. The water cement ratio may be increased to 0.56, by weight, if a water -reducing agent is used. a. Reference paragraph 2.4.B.. 3.2 Placing -A. Concrete shall not be placed unless the air temperature adjacent to the concrete placement is 30 degrees Fahrenheit, and rising. The temperature of the mix shall not be less than 50 degrees Fahrenheit, nor more than 90 degrees Fahrenheit at the time of the placement. 2. If heated water and/or an accelerator is used, the above temperature restrictions may be waived. a. Water shall not be heated to a temperature exceeding 150 degrees Fahrenheit. B. Concrete shall be placed when the temperature of the plastic concrete can be maintained at 90 degrees Fahrenheit, or lower, unless approved by the District. To facilitate the placement of concrete in hot weather, the aggregate of the water maybe cooled. 3.3 FINISHING A. Vault bases shall be trowel finished. 05-089.05 03300-3 3.4 CURING A. Finished concrete shall be cured by protecting it against moisture loss, rapid temperature change, and from rain, flowing water and mechanical damage for a minimum of 72-hours after placement. Concrete shall be maintained at a minimum temperature of 50 degrees Fahrenheit during the curing period. 2. The Contractor is responsible for protecting the concrete from traffic and the elements. END OF SECTION 05-089.05 03300-4 JUL94 SECTION 03400 PRECAST CONCRETE PART 1 - GENERAL 1.1 DESCRIPTION A. This section addresses precast concrete products. B. Reference Sections 02641, 02646, and 02713. 1.2 PRODUCT DELIVERY, STORAGE AND HANDLING A. All precast concrete parts shall be handled, stored, and protected in a manner which will prevent damage to materials. PART2-PRODUCTS 2.1 PRECAST CONCRETE PRODUCTS A. Barrels, boxes, and flat slab tops of vaults and meter pits shall conform to and be designated as ASTM C478, and shall be made with Type I/II cement. 1. Reference Section 2713, "Water Distribution System". 2. Unless written permission is obtained from the District, flat slab tops will be used on all vaults and meter pits. B. Concrete and Reinforcing Materials. 1. Reference Section 03300. 2. Reference ASTM C478. END OF SECTION 05-089.05 03400-1 1if111 S, SECTION 03400 PRECAST CONCRETE PART 1 - GENERAL 1.1 DESCRIPTION A. This section addresses precast concrete products. B. Reference Sections 02641, 02646, and 02713. 1.2 PRODUCT DELIVERY, STORAGE AND HANDLING A. All precast concrete parts shall be handled, stored, and protected in a manner which will prevent damage to materials. PART2-PRODUCTS 2.1 PRECAST CONCRETE PRODUCTS A. Barrels, boxes, and flat slab tops of vaults and meter pits shall conform to and be designated as ASTM C478, and shall be made with Type I/II cement. 1. Reference Section 2713, "Water Distribution System". 2. Unless written permission is obtained from the District, flat slab tops will be used on all vaults and meter pits. B. Concrete and Reinforcing Materials. 1. Reference Section 03300. 2. Reference ASTM C478. END OF SECTION 05-089.05 03400-1 TABLE OF CONTENTS SUMMARY OF WORK GENERAL 1.1 Scope 01010-1 12 Specifications 01010-2 1.3 Coordination With the District 01010-4 1.4 Work Sequence 01010-4 1.5 Notifications 01010-4 1.6 Safety and Protection 01010-5 1.7 Special Requirements 01010-5 1.8 Quality Control 01010-7 MATERIALS EQUIPMENT AND WORKMANSHIP GENERAL 1.1 Materials and Equipment 01600-1 DISINFECTION OF WATER LINES GENERAL 1.1 Description 01656=1 1.2 Product Delivery, Storage and Handling 01656-1 PRODUCTS 2.1 Materials 01656-1 EXECUTION 3.1 General 01656-2 3.2 Preliminary Flushing 01656-2 3.3 Methods 01656-2 3.4 Final Flushing 01656-5 3.5 Bacteriological Tests 01656-5 3.6 Repetition of Procedure 01656-5 TESTING PIPING SYSTEM GENERAL 1.1 Description 1.2 Pressure Test 1.3 Passing SITE CLEANUP GENERAL 1.1 Description 1.2 Execution 1.3 Disposal PROJECT RECORD DRAWINGS GENERAL 1.1 Recording of Drawings 1.2 Maintenance of Project Record Drawings 1.3 Submission TRENCHING, BACKFILLING AND COMPACTING GENERAL 1.1 Description 1.2 Quality Assurance 1.3 Job Conditions 1.4 Maintenance and Correction MATERIALS 2.1 Stablization Material 2.2 Bedding Materials 2.4 Trench Backfill Material 2.3 Ground Water Barriers EXECUTION 3.1 Preparation 3.2 Trenching 01666-1 01666-2 01666-2 01710-1 01710-1 01710-2 01720-1 01720-1 01720-2 02221-1 02221-1 02221-2 02221-4 02221-4 02221-4 02221-6 02221-6 02221-7 02221-7 Project: Ziegler Road and Kechter Road Roundabout Date: 4/8/2006 Specthen, Estimated Description Estimated Unit Cost Item Cost Number Quantity 619-01 Relocate Existing Water Valve (per FLWD Specifications) 2 EA 619-02 24" Ultra Rib PVC Irrigation Pipe 733 LF 619-03 4' dia. Flat Top Manholes 6 EA 619-04 5' x 5' Concrete Irrigation Splitter Box w/ 2 "Watermain" 24" C-9 Slide Gates (see detail) 2 EA 619-05 Tie To Existing Irrigation 2 EA 619-07 3/4" Irrigation Service: Meter Pit/ Backflow Prevented Metal Screen Cover (Per Detail) 1 LS Subtotal Ziegler Road and Kechter Road Roundabout Quantities: $ FCLWD 24" Waterline Protect Quantities: 202-21 Rotomill 2" of asphalt from Ziegler Rd centerline station 36+46 to 44+97 (existing seam to lip of gutter) 2330 SY 202-22 Removal of Asphalt prior to installation of waterline from Ziegler Rd centerline Sta. 44+97 to 50+50 209 TON 203-16 Remove / Replace Unsuitable trench backfill (Sta. 36+96 to 45+06) assuming 3' depth x 2' width 180 CY 203-17 Remove / Replace Un-suitable trench backfill (Sta. 45+06 to 56+51) assuming 3' depth x 2' width 254 CY 403-05 "T" patch following installation of waterline (for limits of item 1) 306 TON 403-06 "T" patch following installation of waterline (for limits of item 3) 105 TON 403-07 2" Overlay, Grade S-100 - (PG 64-28) Ziegler Road centerline station 36+46 to 44+97 256 TON 3.3 Pipe Bedding 02221-9 3.4 Backfilling and Compaction 02221-10 3.5 Field Quality Control 02221-9 3.4 Ground Water Barriers 02221-9 PIPE BORING AND JACKING GENERAL 1.1 Description 02224-1 1.2 Quality Assurances 02224-1 PRODUCTS 2.1 Casing Pipe - Smooth Steel 02224-2 2.2 Accessories 02224-2 EXECUTION 3.1 Casing Installation 02224-3 3.2 Carrier Pipe Installation 02224-4 PAVEMENT REPAIR AND RESURFACING GENERAL 1.1 Description 02575-1 MATERIALS 2.1 Aggregate, Asphalt and Concrete 02575-1 EXECUTION 3.1 Manhole Frames and Valve Boxes 02575-1 3.2 Asphalt and Concrete, Base and Gravel Surfaces 02575-1 3.3 Concrete Surfacing 02575-1 3.4 Field Quality Control 02575-2 DUCTILE IRON PIPE GENERAL 1.1 Description 02615-1 1.2 Product Delivery, Storage and Handling 02615-1 PRODUCTS 2.1 Ductile Iron Pipe 02615-2 2.2 Fittings and Couplings 02615-2 2.3 Joints 02615-3 2.4 Pipe Lining 02615-3 2.5 Pipe Coating 02615-3 2.6 Accessories 02615-4 EXECUTION 3.1 Installation 02615-4 VALVES GENERAL 1.1 Description 02641-1 1.2 Product Delivery, Storage and Handling 02641-1 PRODUCTS 2.1 General 02641-1 2.2 Gate Valves 02641-2 2.4 Butterfly Valves 02641-2 2.5 Valve Boxes 02641-3 2.6 Air Relief/Vacuum Relief Valves 02641-4 2.7 Check Valves 02641-5 2.3 Tapping Values 02641-2 EXECUTION 3.4 Operation 02641-6 3.1 Installation 02641-5 3.2 Air Relief/Vacuum Relief Valves 02641-6 3.3 Pressure Regulating Values 02641-6 iv WATER DISTRIBUTION SYSTEM GENERAL 1.1 Description 02713-1 1.2 Quality Assurance 02713-1 1.3 Product Delivery, Storage and Handling 02713-1 1.4 Job Conditions 02713-1 PRODUCTS 2.4 Blow -offs 02713-2 2.1 Pipe 02713-2 2.2 Valves 02713-2 2.3 Hydrants 02713-2 2.5 Service Lines, Meters and Appurtenances 02713-3 2.6 Tapping Sleeves 02713-3 2.7 Concrete Vaults and Manholes 02713-3 EXECUTION 3.1 Inspection 02713-5 3.2 Preparation 02713-5 3.3 Pipe Installation 02713-6 3.4 Thrust Restraint 02713-7 3.5 Installations of Pipeline Appurtenances 02713-8 3.6 Protection of Metal Surfaces 02713-9 3.7 Concrete Manholes and Vaults 02713-9 CAST - IN - PLACE CONCRETE GENERAL 1.1 Description 03300-1 MATERIALS 2.1 Cement 03300-1 2.2 Aggregates 03300-1 2.3 Water 03300-1 2.4 Admixtures 03300-1 2.5 Concrete Reinforcement 03300-2 v CK�1►[a�111�J DA Curing 03300-3 3.1 General 03300-2 3.2 Placing 03300-3 3.3 Finishing 03300-3 PRECAST CONCRETE GENERAL 1.1 Description 03400-1 1.2 Product Delivery, Storage and Handling 03400-1 PRODUCTS 2.1 Precast Concrete Products 03400-1 vi TABLE OF CONTENTS SUMMARY OF WORK GENERAL 1.1 Scope 01010-1 1.2 Specifications 01010-2 1.3 Coordination With the District 01010-4 1.4 Work Sequence 01010-4 1.5 Notifications 01010-4 1.6 Safety and Protection 01010-5 1.7 Special Requirements 01010-5 1.3 Quality Control 01010-7 MATERIALS, EQUIPMENT AND WORKMANSHIP GENERAL 1.1 Materials and Equipment 01600-1 DISINFECTION OF WATER LINES GENERAL 1.1 Description 01656- t 1.2 Product Delivery, Storage and Handling 01656-1 PRODUCTS 2.1 Materials 01656-1 EXECUTION 3.1 General 01656-2 3.2 Preliminary Flushing 01656-2 3.3 Methods 01656-2 3.4 Final Flushing 01656-5 3.5 Bacteriological Tests 01656-5 3.6 Repetition of Procedure 01656-5 TESTNG PIPING SYSTEM GENERAL 1.1 Description 01666-1 1.2 Pressure Test 01666-2 1.3 Passing 01666-2 SITE CLEANUP GENERAL 1.1 Description 01710-1 1.2 Execution 01710-1 1.3 Disposal 01710-2 PROJECT RECORD DRAWINGS GENERAL 1.1 Recording of Drawings 01720-1 1.2 Maintenance of Project Record Drawings 01720-1 1.3 Submission 01720-2 TRENCHING, BACKFILLNG AND COMPACTING GENERAL 1.1 Description 02221-1 1.2 Quality Assurance 02221-1 1.3 Job Conditions 02221-2 1.4 Maintenance and Correction 02221-4 MATERIALS 2.1 Stablization Material 02221-4 2.2 Bedding Materials 02221-4 2.4 Trench Backfill Material 02221-6 2.3 Ground Water Barriers 02221-6 EXECUTION 3.1 Preparation 02221-7 3.2 Trenching 02221-7 3.3 Pipe Bedding 02221-9 3.4 Backfilling and Compaction 02221-10 3.5 Field Quality Control 02221-9 3.4 Ground Water Barriers 02221-9 PIPE BORING AND JACKING GENERAL 1.1 Description 02224-1 1.2 Quality Assurances 02224-1 PRODUCTS 2.1 Casing Pipe - Smooth Steel 02224-2 2.2 Accessories 02224-2 EXECUTION 3.1 Casing Installation 02224-3 3.2 Carrier Pipe Installation 02224-4 PAVEMENT REPAIR AND RESURFACING GENERAL 1.1 Description 02575-1 MATERIALS 2.1 Aggregate, Asphalt and Concrete 02575-1 EXECUTION 3.1 Manhole Frames and Valve Boxes 02575-1 3.2 Asphalt and Concrete, Base and Gravel Surfaces 02575-1 3.3 Concrete Surfacing 02575-1 3.4 Field Quality Control 02575-2 DUCTILE IRON PIPE GENERAL 1.1 Description 02615-1 1.2 Product Delivery, Storage and Handling 02615-1 PRODUCTS 2.1 Ductile Iron Pipe 02615-2 2.2 Fittings and Couplings 02615-2 2.3 Joints 02615-3 2.4 Pipe Lining 02615-3 2.5 Pipe Coating 02615-3 2.6 Accessories 02615-4 EXECUTION 3.1 Installation 02615-4 VALVES GENERAL 1.1 Description 02641-1 1.2 Product Delivery, Storage and Handling 02641-1 PRODUCTS 2.1 General 02641-1 2.2 Gate Valves 02641-2 2.4 Butterfly Valves 02641-2 2.5 Valve Boxes 02641-3 2.6 Air Relief/Vacuum Relief Valves 02641-4 2.7 Check Valves 02641-5 2.3 Tapping Values 02641-2 EXECUTION 3.4 Operation 02641-6 3.1 Installation 02641-5 3.2 Air Relief/Vacuum Relief Valves 02641-6 3.3 Pressure Regulating Values 02641-6 iv WATER DISTRIBUTION SYSTEM GENERAL 1.1 Description 02713-1 1.2 Quality Assurance 02713-1 1.3 Product Delivery, Storage and Handling 02713-1 1.4 Job Conditions 02713-1 PRODUCTS 2.4 Blow -offs 02713-2 2.1 Pipe 02713-2 2.2 Valves 02713-2 2.3 Hydrants 02713-2 2.5 Service Lines, Meters and Appurtenances 02713-3 2.6 Tapping Sleeves 02713-3 2.7 Concrete Vaults and Manholes 02713-3 EXECUTION 3.1 Inspection 02713-5 3.2 Preparation 02713-5 3.3 Pipe Installation 02713-6 3.4 Thrust Restraint 02713-7 3.5 Installations of Pipeline Appurtenances 02713-8 3.6 Protection of Metal Surfaces 02713-9 3.7 Concrete Manholes and Vaults 02713-9 CAST - IN - PLACE CONCRETE GENERAL 1.1 Description 03300-1 MATERIALS 2.1 Cement 03300-1 2.2 Aggregates 03300-1 23 Water 03300-1 2.4 Admixtures 03300-1 2.5 Concrete Reinforcement 03300-2 v CONCRETE 3.4 Curing 03300-3 3.1 General 03300-2 3.2 Placing 03300-3 3.3 Finishing 03300-3 PRECAST CONCRETE GENERAL 1.1 Description 03400-1 1.2 Product Delivery, Storage and Handling 03400-1 PRODUCTS 2.1 Precast Concrete Products 03400-1. vi III. Changes to the Bid Schedule: ( REVISED BID SCHEDULE ATTACHED) The following changes will be reflected on the attached bid schedule: 1) 203-14 Transport and Compact in Place Reclaimed Asphalt from Stockpile — 2751 SY Change to: 2751 CY 2) 619-01 Relocate Existing Water Valve (per FCLWD Specifications) — 2 EA Change to: 619-01 Abandon Existing FCLWD Water Valves (cut out valves and put solid sleeves to replace) — 2 EA 3) 619-16 24" Plug with Thrust Block, Mark end of waterline Construction — 1 LS Change to: 619-16 24"x6" Reducer with Fire Hydrant and Thrust Block, Mark End of Waterline Construction — 1 LS 4) 630-03 Message Boards (7 Boards) — 20 DAY Change to: 630-03 Message Boards (4 Boards) —14 DAY 5) A = Total Construction Cost (Base Bid) (Lemay Avenue, Landscaping, and Misc. Quantities) Change to: A = Total Construction Cost (Base Bid) (Ziegler Road and Kechter Road Roundabout, FCLWD 24" Waterline, Landscaping, and Misc. Quantities) If you have any questions regarding this addendum, contact John D. Stephen, CPPO, CPPB, Senior Buyer (970) 221-6777. RECEIPT OF THIS ADDENDUM MUST BE ACKNOWLEDGED BY A WRITTEN STATEMENT ENCLOSED WITH THE BID/QUOTE STATING THAT THIS ADDENDUM HAS BEEN RECEIVED. 3roject: Ziegler Road and Kechter Road Roundabout )ate: 4/812006 Spec/Nem Estimated Unit Unit Cost Item Cost Number Description Quantity 619-07 Tie To Existing _ 619-08 24" Cl 52 DIP, double strap bonded, non -restrained w/ polywrap 619-09 24" Cl 52 DIP, double strap bonded, restrained using Field Lok restraint, w/ polywrap, Sta. 36+96 to 37+76 and 56+15 to 57+45 619-10 24" Cl 52 DIP, double strap bonded, restrained using Field Lok restraint, w/ polywrap supported with casing chocks, installed in ex. 36" steel casing 619-11 24" Bends & Thrust Blocks 619-12 Concrete encasement of existing 30" RCP storm sewer 619-13 24"x22 112 degree vertical bends with mechanical restraint 619-14 Air/Vac valve and vault assembly 619-15 24" x 45 degree horizontal bend with thrust blocks, rotate fitting to achieve required vertical alignment 619-16 24" plug with thrust block, mark end of waterline construction Subtotal FCLWD 24" Waterline Project Quantities: Landscaping Quantities: 2810-01 Irrigation 2000-01 Blue Grass Sod 1 LS 1940 LF 210 LF 210 LF 2 EA 1 LS 4 EA 1 EA 2 EA 1 LS 21,925.00 SF 21.925 SF 2900-01 Hughes Juniper 18 EA 2900-02 Winnipeg Parks Rose 14 EA 2900-03 Chanticleer Pear 5 EA Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 ZIEGLER ROAD / KECHTER ROAD ROUNDABOUT PROJECT The Engineers Joint Contract Documents Committee General Conditions govern the construction of this contract. The following General Requirements supplement these General Conditions. PROJECT GENERAL REQUIREMENTS TABLE OF CONTENTS SECTION PAGE 01010 SUMMARY OF WORK............................................................................................ General Reqs. 2-3 01040 COORDINATION......................................................................................................GeneralRegs. 4-5 01310 CONSTRUCTION SCHEDULES..............................................................................General Reqs. 6-7 01330 SURVEY DATA — (Contractor Supplied)..................................................................General Reqs. 8 01340 SHOP DRAWINGS....................................................................................................General Reqs. 9-11 01410 TESTING....................................................................................................................General Reqs. 12-13 01510 TEMPORARY UTILIITIES.......................................................................................General Reqs. 14 01560 TEMPORARY CONTROL........................................................................................General Reqs. 15-16 01570 TREE PROTECTION................................................................................................General Reqs. 17-18 01580 TRAFFIC REGULATION— (Contractor Supplied) ..................................................General Reqs. 19-20 01700 CONTRACT CLOSEOUT........................................................................................General Reqs. 21 01711 SITE CLEANUP........................................................................................................General Reqs. 22 01720 PROJECT RECORD DOCUMENTS........................................................................General Reqs. 23 P:\Street Oversizing\Zieglev Road Kechter Road Roundabout\Bid Docs\Constmction Specs\General Reqs General Reqs. - 1 Ziegler Road/ Kechter Road Roundabout Project SECTION 01010 SUMMARY OF WORK 1.1 DESCRIPTION OF WORK A. The Work shall consist of the construction of the outlined improvements: PROPOSAL NO. xxxxx Date: March 8, 2006 1. Improvements for widening Ziegler Road from Shallow Pond Drive north to Kechter Road (approximately 600 linear feet) and constructing a concrete one -lane roundabout at the intersection of Ziegler Road and Kechter Road. Construction of a 24" FCLWD watermain from Kechter road to Trilby Road. Ziegler Road from Shallow Pond north 600 feet: The construction of this project includes the widening of Ziegler Road, North of Shallow Pond Drive to minor arterial width with curb and gutter, bike lanes and sidewalk. The improvements will include the widening and reconstruction of Ziegler Road, vertical curb and gutter, detached sidewalk on the east side of Ziegler Road, new irrigation pipe and splitter boxes, and bike lanes. Ziegler Road and Kechter Road Roundabout: The scope of this work consists of pulverizing the existing concrete intersection (10" thickness) and replacing it with a 130 foot conventional roundabout. This project must be constructed under traffic using a bi-directional closure which results into two construction phases: • Phase I: Constructing the South half of the Roundabout This portion of the project will be available for construction starting June 1, 2006. The construction will include: The entire east half of the intersection (curb and gutter, sidewalk, bikelanes, concrete pavement, decorative concrete truck ramps, enhanced colored concrete crosswalks, asphalt removal and paving, medians, storm sewer improvements, 24" FCLWD waterline installation, and landscaping improvements that would effect traffic operations. • Phase II: Constructine the North half of the Roundabout This portion of the project must be substantially complete by September 1, 2006. The construction will include: The west half of the intersection (curb and gutter, sidewalk, bikelanes, concrete pavement, decorative concrete truck ramps, enhanced colored concrete crosswalks, asphalt removal and paving, medians, storm sewer improvements, and landscaping improvements that would effect traffic operations. • NOTE: This project is a Cost Plus Time (A +B) bid due to the constricted time frames and the scope of the project. B. Protection and Restoration. 1. Replace to equal or better conditions all items removed and replaced or damaged during construction. 2. Restore all areas disturbed to match surrounding surface conditions. 3. The Owners Field Representative must approve the condition of all replaced and/or restored areas prior to final payment. P:\Street Ovetsizing\Ziegler Road Kechter Road Roundabout\Bid DocsTonsnuction Specs\General Reqs General Reqs. - 2 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 1.2 NOTICES TO PRIVATE OWNERS AND AUTHORITIES The following items shall be coordinated between the Contractor and the Owners Field Representative. A. Notify private owners of adjacent properties, utilities, irrigation canals, and affected governmental agencies when prosecution of the Work may affect them. B. Give notification 48 hours in advance to enable affected persons to provide for their needs when it is necessary to temporarily deny access or services. C. Contact utilities at least 48 hours prior to excavating near underground utilities. D. Contact all agencies at least 72 hours prior to start of construction. Notify all agencies of the proposed scope of work schedule and any items, which would affect their daily operation. E. Names and telephone numbers of affected agencies and utilities in the area are listed below for Contractor's convenience. UTILITIES Water: City of Fort Collins, Colorado 221-6681 Storm Sewer: City of Fort Collins, Colorado 221-6589 Sanitary Sewer: City of Fort Collins, Colorado 221-6681 Electric: City of Fort Collins, Colorado 221-6700 Gas/Electric: Xcel Energies 225-7847 Telephone: Qwest Communications 377-6401 Traffic Operations: City of Ft. Collins, Colorado 221-6630 Cable Television: AT&T Broadband 493-7400 FCLWD: Fort Collins Loveland Water District 226-3104 ext. 17 Water: Fort Collins Loveland Water District 226-3104 ext. 17 Sewer: Fort Collins Loveland Water District 226-3104 ext. 17 Electric: Poudre Valley REA 226-1234 *Utility Locates Under A One -call @ system 1-800-922-1987 Ditch Companies as required AGENCIES Occupational Safety & Health Administration (OSHA): 844-3061 Poudre Fire Authority Non -Emergency: 221-6581 Emergency: 911 City of Fort Collins Police Department Non -Emergency: 221-6550 Emergency: 911 Larimer County Sheriffs Department Non -Emergency: 221-7177 Emergency: 911 Postmaster: US Postal Service Judith Robertson: 225-4111 Ambulance: Poudre Valley Hospital Non -Emergency: 484-1227 Emergency: 911 Transportation: Transfort: 221-6620 Traffic Engineering: 221-6630 END OF SECTION P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid DocsTonsnvetion Specs\General Reqs General Reqs. - 3 Ziegler Road / Kechter Road Roundabout Project SECTION 01040 COORDINATION 1.1 GENERAL CONTRACTOR RESPONSIBILITIES Date: March 8, 2006 A. Coordinate operations under contract in a manner, which will facilitate progress of the Work. The Contractor shall also coordinate with the Utility Companies and City Traffic Department whose Work is separate from the General Contractor's contract. B. Conform to the requirements of public utilities and concerned public agencies in respect to the timing and manner of performance of operations which affect the service of such utilities, agencies, or public safety. C. Coordinate operations under contract with utility work to allow for efficient completion of the Work. D. Coordinate all operations with the adjoining property owners, business owners, and surrounding neighborhoods to provide satisfactory access at all times and keep them informed at all times. To work with the local fire and police departments to ensure the traffic control plan is followed in emergency situations with no exceptions of disruption to traffic flow. E. Keep traffic areas and temporary residential accesses free of excavated material, construction equipment, pipe and other material and equipment. F. Keep fire hydrants and utility control valves free from obstruction and available for use at all times. G. Conduct operations in a manner to avoid unnecessary interference with public and private roads and drives. PdStreet Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Const action Specs\General Reqs General Reqs. - 4 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 H. Provide and maintain temporary approaches or crossings at streets and residences. 1.2 SCHEDULE AND MILESTONES The Contractor shall submit a detailed project schedule showing milestones and the critical path for Phase I and Phase II of the Ziegler Road and Kechter Road Roundabout Project. This schedule shall be agreed to by both the Owner and Contractor. It shall be made in writing and signed by both parties. 1.3 CONFERENCES A. A Pre -construction Conference will be held prior to the start of construction. I. Contractor shall participate in the conference accompanied by all major Subcontractors. 2. Contractor shall designate/introduce Superintendent, and major Subcontractors supervisors assigned to project. 3. Contractor shall submit in writing proposed daily construction hours to Engineer for approval. 4. Contractor shall designate all access roads and parking areas in writing to the Engineer for approval. 5. The Engineer shall invite all utility and irrigation companies involved. 6. The Utilities will be asked to designate their coordination person, provide utility plans, and their anticipated schedules. 7. The Engineer shall introduce the Project Representatives. 8. At this time the superintendent will be expected to show that he has sufficient knowledge of the specifications and plans to orchestrate and coordinate the construction actives for this job. B. Additional project coordination conferences will be held prior to start of construction for coordination of the Work, refining project schedules, and utility coordination. C. The Engineer may hold coordination conferences, to be attended by all parties involved, when the Contractor's operations affect, or are affected by, the work of others. 1. Contractor shall participate in such conferences accompanied by Subcontractors as required by the Engineer. 1.4 PROGRESS MEETINGS A. Contractor and Project Manager shall schedule and hold regular progress meetings at least weekly and at other times as requested by the Engineer or required by the progress of the Work. B. Attendance shall include: 1. Contractor and Superintendent. 2. Owner's Representatives. 3. Engineer and Project Manager. 4. Others as may be requested by Contractor, Engineer or Owner. C. Minimum agenda shall include: 1. Review of work progress since last meeting. 2. Identification and discussion of problems affecting progress. 3. Review of any pending change orders. 4. Revision of Construction Schedule as appropriate. 5. Review Milestone Schedule. 6. Discuss the work scheduled for the next two weeks. P:\Street Oversizing2iegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 5 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 7. Discuss the surveying needed for the next week. D. The Engineer or a Project Representative shall preside at meetings and record and distribute minutes to the participants. E. The Engineer or Engineer's Field Representative and Contractor shall agree to weekly quantities at the progress meetings. The weekly quantity sheets shall be signed by both parties. These quantity sheets, when signed, shall be final and shall be the basis for the monthly progress estimates. This process ensures accurate monthly project pay estimates. END OF SECTION SECTION 01310 CONSTRUCTION SCHEDULES 1.1 GENERAL A. The contractor shall prepare a detailed schedule of all construction operations and procurement after review of tentative schedule by parties attending the pre -construction conference. This schedule will show how the contractor intends to meet the milestones set forth. 1. No work is to begin at the site until Owner's acceptance of the Construction Progress Schedule and Report of delivery of equipment and materials. 1.2 FORMAT AND SUBMISSIONS A. Prepare construction and procure schedules in a graphic format suitable for displaying scheduled and actual progress. B. Submit two copies of each schedule to Owner for review. 1. Owner will return one copy to Contractor with revisions suggested or necessary for coordination of the Work with the needs of Owner or others. 2. The contractor will be required to submit a weekly progress schedule showing work to be completed, labor, equipment, work hours and methods of construction for the up coming week. This schedule will be required every Thursday in a daily calendar format. C. The schedule must show how the street, storm sewer, concrete and paving work will be coordinated. 1.3 CONTENT A. Construction Progress Schedule. 1. Show the complete work sequence of construction by activity and location. 2. Show changes to traffic control. 3. Show project milestones. B. Equipment, Materials and Submittals schedule. 1. Show delivery status of critical and major items of equipment and materials. 2. Include a critical path schedule for Shop Drawings, tests. and other submittal requirements for P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid DocsTonstiuction Specs\General Reqs General Reqs. - 6 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 equipment and materials, reference Section 01340. 1.4 PROGRESS REVISIONS A. Submit revised schedules and reports at weekly project coordination meetings when changes are foreseen, when requested by Owner or Engineer, and with each application for progress payment. B. Show changes occurring since previous submission. 1. Actual progress of each item to date. 2. Revised projections of progress and completion. C. Provide a narrative report as needed to define: 1. Anticipated problems, recommended actions, and their effects on the schedule. 2. The effect of changes on schedules of others. 1.5 OWNER'S RESPONSIBILITY A. Owner's review is only for the purpose of checking conformity with the Contract Documents and assisting the Contractor in coordinating the Work with the needs of the Project. B. It is not to be construed as relieving Contractor from any responsibility to determine the means, methods, techniques, sequences and procedures of construction as provided in the General Conditions. END OF SECTION P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Constmction Specs\General Reqs General Reqs. - 7 Ziegler Road/ Kechter Road Roundabout Project SECTION 01330 SURVEY DATA 1.1 SURVEY REQUIREMENTS Date: March 8, 2006 A. The Owner will not provide the construction surveying for the Project. The Contractor will be responsible to provide the surveying required on this project. B. The Owner will make the projects CAD drawings available to the Contractor upon request. C. If the requested surveying cannot be accomplished in the time frame requested by the Contractor, the survey personnel shall notify the contractor with the date on which the requested work will be completed. D. Should a sudden change in the Contractor's operations or schedule require the survey personnel to work overtime, the Contractor shall pay the additional overtime expense. E. The Contractor shall protect all survey monuments and construction stakes. If it is unavoidable to remove a survey monument or construction stakes, the Contractor is responsible for notifying the Surveyor and allowing enough time for the monuments or stakes to be relocated. The Contractor will be responsible for the cost of restaking construction stakes and for the cost of re-establishing a destroyed monument. END OF SECTION PASlreet Oveisizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 8 Ziegler Road / Kechter Road Roundabout Project SECTION 01340 SHOP DRAWINGS 1.1 GENERAL Date: March 8, 2006 A. Submit Shop Drawings, Samples, and other submittals as required by individual specification sections. 1. The Engineer will not accept Shop Drawings or other submittals from anyone but the Contractor. B. Schedule: Reference Section 01310, Construction Schedules. Submittals received by the Engineer prior to the time set forth in the approved schedule will be reviewed at any time convenient to the Engineer before the time required by the schedule. C. Any need for more than one resubmission, or any other delay in obtaining the Engineer's review of submittals, will not entitle the Contractor to an extension of the Contract Time, unless delay of the Work is directly caused by failure of the Engineer to return any scheduled submittal within 10 days after receipt in his office of all information required for review of the submittals or for any other reason which prevents the Engineer's timely review. Failure of Contractor to coordinate submittals that must be reviewed together will not entitle the Contractor to an extension of Contract Time or an increase in Contract Price. D. Resubmit a corrected submittal if errors are discovered during manufacture or fabrication. E. Do not use materials or equipment for which Shop Drawings or samples are required until such submittals, stamped by the Contractor and properly marked by the Engineer, are at the site and available to workmen. F. Only use Shop Drawings which bear Engineer's mark "NO EXCEPTION TAKEN" in the performance of the Work. Review status designations listed on Engineer's submittal review stamp are defined as follows: 1. NO EXCEPTION TAKEN Signifies material or equipment represented by the submittal conforms with the design concept, complies with the information given in the Contract Documents and is acceptable for incorporation in the Work. Contractor is to proceed with fabrication or procurement of the items and with related work. Copies of the submittal are to be transmitted for final distribution. 2. REVISE AS NOTED Signifies material or equipment represented by the submittal conforms with the design concept, complies with the information given in the Contract Documents and is acceptable for incorporation in the Work in accordance with Engineer's notations. Contractor is to proceed with the Work in accordance with Engineer's notations and is to submit a revised submittal responsive to notations marked on the returned P:\Street Oversizing0egler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 9 Ziegler Road / Kechter Road Roundabout Project submittal or written in the letter of transmittal. Date: March 8, 2006 3. REJECTED Signifies material or equipment represented by the submittal does not conform with the design concept or comply with the information given in the Contract Documents and is not acceptable for use in the Work. Contractor is to submit submittals responsive to the Contract Documents. 4. FOR REFERENCE ONLY Signifies submittals which are for supplementary information only; pamphlets, general information sheets, catalog cuts, standard sheets, bulletins and similar data, all of which are useful to Engineer or Owner in design, operation, or maintenance. But these submittals do not constitute a basis for determining that items represented thereby conform to the design concept or comply with the information given in the Contract Document. The Engineer reviews such submittals for general information, but not for substance. 1.2 SUBMITTAL REGISTER A. The Contractor shall complete the Submittal Register and submit with the Final Construction Schedule submittal. The Contractor must resubmit an updated Submittal Register with each application for progress payment. A format of the Submittal Register is provided below, Contractor should reproduce this format, (or an approved alternate) for this register. B. Instructions for Completing the Submittal Register: Column 1: References, specification section, and paragraph in which submittal is requested. This will be done for each item of equipment or material. Column 2: Describe types of submittal required, i.e., shop drawing, certificate, etc. Column 3: List the material or item for which submittal is required. Column 4: Contractor shall provide the date that he intends to make each submittal. Column 5: Contractor shall provide that date by which each submittal must be approved to accomplish timely incorporation into the project. Column 6: Contractor shall provide the mailing date of the initial submittal made to the Owner. Column 7: Contractor shall record the review action of the Owner to the last submittal for the item, equipment, or material. Column 8: Contractor shall record the mailing date of subsequent submittal for each item, equipment, and material until submittal is accepted by Owner. Column 9: Contractor may record remarks as necessary to coordinate with other submittal or provide necessary information. 1.3 SHOP DRAWINGS A. Include the following information as required to define each item proposed to be furnished. 1. Detailed installation drawings showing foundation details and clearances required for construction. 2. Relation to adjacent or critical features of the Work or materials. 3. Field dimensions, clearly identified as such. 4. Applicable standards, such as ASTM or Federal Specification numbers. 5. Drawings, catalogs or parts thereof, manufacturer's specifications and data, instructions, performance characteristics and capacities, and other information specified or necessary: a. For Engineer to determine that the materials and equipment conform to the design concept and comply with the intent of the Contract Documents. b. For the proper erection, installation, and maintenance of the materials and equipment which Engineer will review for general information but not for substance. c. For Engineer to determine what supports, anchorages, structural details, connections and services P:\Street Ovetsizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Consttuction Specs\Generaal Reqs General Reqs. - 10 Project: Ziegler Road and Kechter Road Roundabout Date: 4/8/2006 SpecMem Description Estimated Unit Unit Cost Item Cost Number Quantity 2900-04 Purple Leaf Wintercreeper 36 EA 2000-07 Topsoil - 60/40 compost mix for center median 40 CY Subtotal Landscaping Quantities: $ Miscellaneous Quantities: - Contract Bond 1.00 LS 625-01 Construction Surveying 1.00 LS 626-01 Mobilization 630-01 Specially Signs 3" Letters On 48" x 48" 630-02 Portable Stop Lights 630-03 Message Boards(7 Boards) 630-04 New Jersey Type Concrete Medtan Barriers 630-05 Flaggers 630-06 Traffic Control Subtotal Misc. Quantities: The sum of these two amounts will be used to determine the lowest successful bidder according to the following formula: A + B X (the daily cost) = Contractor's bid for evaluation for the lowest successful bidder 1.00 LS 10 EA 36 DAY 20 DAY 25 LF 1,040 HOURS 1 LS Ziegler Road / Kechter Road Roundabout Project Date: March S, 2006 are required for materials and equipment, and the effect on contiguous or related structures, materials and equipment. 6. Complete dimensions, clearances required, design criteria, materials of construction and the like to enable Engineer to review the information effectively. B. Manufacturer's standard drawings, schematics and diagrams: 1. Delete information not applicable to the Work. 2. Supplement standard information to provide information specifically applicable to the Work. C. Format. 1. Present in a clear and thorough manner. 2. Minimum sheet size: 8 '/2" x I V. 3. Clearly mark each copy to identify pertinent products and models. 4. Individually annotate standard drawings, which are furnished, cross out items that do not apply, describe exactly which parts of the drawing apply to the equipment being furnished. 5. Individually annotate catalog sheets to identify applicable items. 6. Reproduction or copies of portions of Contract Documents: a. Not acceptable as complete fabrication or erection drawings. b. Acceptable when used as a drawing upon which to indicate information on erection or to identify detail drawings. 7. Clearly identify the following: a. Date of submission. b. Project title and number. c. Names of Contractor, Supplier and Manufacturer. d. Specification section number, specification article number for which items apply, intended use of item in the work, and equipment designation. e. Identify details by reference to sheet, detail, schedule or room numbers shown in the Contract Documents. f. Deviations from Contract Documents. g. Revisions on re -submittals. h. Contractor's stamp, initialed or signed, certifying the review of submittal, verification of products, field measurements and field construction criteria, and coordination of the information within the submittal with requirements of the Work and the Contract Documents. 1.4 SUBMISSION REQUIREMENTS A. Make submittals promptly in accordance with approved schedule, and in such sequence as to cause no delay in the Work or in the work of any other contractor. B. Minimum number required: 1. Shop Drawings. a. Three (3) copies minimum, two (2) copies which will be retained by Engineer. 1.5 RESUBMISSION REQUIREMENTS A. Make corrections or changes required by Engineer and resubmit until accepted. B. In writing, call Engineer's attention to deviations that the submittal may have from the Contract Documents. C. In writing, call specific attention to revisions other than those called for by Engineer on previous submissions. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Does\Construction Specs\Geneiul Reqs General Reqs. - 11 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 D. Shop Drawings 1. Include additional drawings that may be required to show essential details of any changes proposed by Contractor along with required wiring and piping layouts. END OF SECTION SECTION 01410 TESTING 1.1 GENERAL A. Provide such equipment and facilities as the Engineer may require for conducting field tests and for collecting and forwarding samples. Do not use any materials or equipment represented by samples until tests, if required, have been made and the materials or equipment are found to be acceptable. Any product, which becomes unfit for use after approval hereof, shall not be incorporated into the work. B. All materials or equipment proposed to be used may be tested at any time during their preparation or use. P:\Street Oveisizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Constmction Specs\General Reqs General Reqs. - 12 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 Furnish the required samples without charge and give sufficient notice of the placing of orders to permit the testing. Products may be sampled either prior to shipment or after being received at the site of the work. C. Tests shall be made by an accredited testing laboratory selected by the Owner. Except as otherwise provided, sampling and testing of all materials and the laboratory methods and testing equipment shall be in accordance with the latest standards and tentative methods of the American Society for Testing Materials (ASTM). D. Where additional or specified information concerning testing methods, sample sizes, etc., is required, such information is included under the applicable sections of the Specifications. Any modification of, or elaboration on these test procedures (which may be included for specific materials under their respective sections in the Specifications) shall take precedence over these procedures. 1.2 OWNER'S RESPONSIBILITIES A. Owner shall be responsible for and shall pay all costs in connection with testing for the following: 1. Soil tests, except those called for under Submittals thereof. 2. Tests not called for by the Specifications of materials delivered to the site but deemed necessary by Owner. 3. Concrete tests, except those called for under Submittals thereof. 4. Asphalt tests, except those called for under Submittals thereof. 1.3 CONTRACTOR'S RESPONSIBILITIES A. In addition to those inspections and tests called for in the General Conditions, the Contractor shall also be responsible for and shall pay all costs in connection with testing required for the following: 1. All performance and field testing specifically called for by the specifications. 2. All re -testing for Work or materials found defective or unsatisfactory, including tests covered under section 1.2 above. 3. All minimum call out charges or stand by time charges from the tester due to the Contractor's failure to pave, pour, or fill on schedule for any reason except by action of the Engineer. B. Contractor shall notify the Project Engineer 48 hours prior to performing an operation that would require testing. 1.4 CONTRACTOR'S QUALITY CONTROL SYSTEM A. General: The Contractor shall establish a quality control system to perform sufficient inspection and tests of all items of Work, including that of his subcontractors, to ensure conformance to the functional performance of this project. The control shall be established for all construction except where the Contract Documents provide for specific compliance tests by testing laboratories or engineers employed by the Owner. The Contractor's control system shall specifically include all testing required by the various sections of these Specifications. B. Superintendence: The Contractor SHALL employ a full time Superintendent whose sole responsibility is to monitor and coordinate all facets of the Work. The Superintendent shall be on site when work is in progress (i.e. weekend work). The Superintendent shall have adequate experience to perform the duties of Superintendent. The superintendent shall have the authority to act on behalf of the CONTRACTOR. The superintendent shall not be replaced without written notice to the Owner and Engineer. C. Quality Control: Contractor's quality control system is the means by which he assures himself that his construction complies with the requirements of the Contract Documents. Controls shall be adequate to P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 13 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 cover all construction operations and should be keyed to the proposed construction schedule. D. Records: Maintain correct records on an appropriate form for all inspections and tests performed, instructions received from the Engineer and actions taken as a result of those instructions. These records shall include evidence that the required inspections or tests have been performed (including type and number of inspections or test, nature of defects, causes for rejection, etc.) proposed or directed remedial action, and corrective action taken. Contractor is responsible for documenting all inspections and tests as required by each section of the Specifications. Provide copies to the Engineer weekly. END OF SECTION P:\Street Oveisizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Consnvclion Specs\General Reqs General Reqs. - 14 Ziegler Road/ Kechter Road Roundabout Project SECTION 01510 TEMPORARY UTILITIES 1.1 UTILITIES A. Furnish all utilities necessary for construction. Date: March 8, 2006 B. Owner will furnish water in reasonable amounts for execution of the work at existing fire hydrants without charge to Contractor. The Contractor shall coordinate and schedule with the Owners' Field Representative for the Water Department to select the appropriate fire hydrant and set the hydrant meter. C. Make arrangements with Owner as to the amount of water required and time when water will be needed. 1. Owner will fix the place, time, rate and duration of each withdrawal from the distribution system. 2. Unnecessary waste of water will not be tolerated. D. Furnish necessary water trucks, pipes, hoses, nozzles, and tools and perform all necessary labor. 1. Only Owner shall operate existing valves and hydrants. 1.2 SANITARY FACILITIES A. Contractor shall furnish temporary sanitary facilities at each site for the needs of construction workers and others performing work or furnishing services on the Project. Furnish a minimum of two portable toilets at the trailers (if office trailers are required) and a minimum of one at each project work site or as required to accommodate the number of personnel working on site. One facility will delivered to the City of Fort Collins trailer open notice of award of bid. B. Contractor shall properly maintain sanitary facilities of reasonable capacity throughout construction periods. C. Contractor to enforce the use of such sanitary facilities by all personnel at the site. D. Place facilities out of public view using the greatest practical extent. END OF SECTION PAStreet Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 15 Ziegler Road / Kechter Road Roundabout Project SECTION 01560 TEMPORARY CONTROLS 1.1 NOISE CONTROL Date: March S, 2006 A. Take reasonable measures to avoid unnecessary noise when construction activities are being performed in populated areas. B. Construction machinery and vehicles shall be equipped with practical sound muffling devices, and operated in a manner to cause the least noise consistent with efficient performance of the Work. C. Cease operation of all machinery and vehicles between the hours of 7:30 p.m. and 6:30 a.m. 1.2 DUST CONTROL A. Dusty materials in piles or in transit shall be covered when necessary to prevent blowing. B. Earth and road surfaces subject to dusting due to construction activities and detouring of traffic shall be kept moist with water or by application of a chemical dust suppressant. Chemical dust suppressant shall not be injurious to existing or future vegetation. C. Dust control within the lime deposit area shall conform to the project's health and safety plan. At a minimum, the lime area shall be covered as soon as possible after compaction has been obtained to minimize surface drying and dust. Dust control for this area may involve multiple watering and/or continuous watering to maintain a moist surface. 1.3 POLLUTION CONTROL A. Prevent the pollution of drains and watercourses by sanitary wastes, concrete, sediment, debris and other substances resulting from construction activities. 1. Retain all spent oils, hydraulic fluids and other petroleum fluids in containers for disposal off the site. 2. Prevent sediment, debris or other substances from entering sanitary sewers, storm drains and culverts. 1.4 EROSION CONTROL A. Take such measures as are necessary to prevent erosion of soil that might result from construction activities. Measures in general will include: 1. Control of runoff 2. Trapping of sediment 3. Minimizing area and duration of soil exposure 4. Temporary materials such as hay bales, sandbags, plastic sheets, riprap or culverts to prevent the erosion of banks and beds of watercourses or drainage swales where runoff will be increased due to construction activities. B. Preserve natural vegetation to greatest extent possible. C. Locate temporary storage and route construction traffic so as to preserve vegetation and minimize erosion. D. Comply with the City of Fort Collins' Storm Drainage Erosion Control Manual and Plan. P:\Street Oversizing\liegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reels. - 16 Ziegler Road / Kechter Road Roundabout Project 1.5 SECURITY Date: March 8, 2006 A. Contractor is responsible for protection of the site and all Work, materials, equipment and existing facilities thereon, against vandalism. B. No claim will be made against the Owner by reason of any act of an employee or trespasser, and the Contractor shall make good all damage resulting from his failure to provide security measures as specified. C. Security measures will be instituted to protect owners of existing facilities during normal operation, but will also include such additional security fencing, barricades, lighting, watchman services or other measures as Contractor feels is required to protect the site. END OF SECTION P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Geneial Reqs General Reqs. - 17 Ziegler Road / Kechter Road Roundabout Project SECTION 01570 TREE PROTECTION Date: March 8, 2006 A. Tree Barriers: All trees which will be preserved, but are within the limits of construction, must be protected from all damage associated with construction. A sturdy, physical barrier (fluorescent orange in color) must be fixed in place around each tree for the duration of construction. This barrier will be placed no closer than six (6) feet from the trunk, or one-half of the drip line, whichever is greater. The barrier itself must be fixed so it cannot be moved easily, but the material can be flexible, such as orange safety fence attached to metal T- posts driven into the ground, but must act as an effective deterrent to deliberate or accidental damage of each tree. The Project Engineer or Manager must approve actual materials and location of barrier. The movement or storage of equipment, material, debris, or fill within these required protective barriers is completely prohibited. In situations where the construction will come closer to a tree than six (6) feet, the orange barrier must still be erected. However, additional padding must be placed around the trunk of each tree starting at ground level and proceeding up the trunk to a height of six or seven feet. Padding should be a minimum eight (8) inches thick, and made of a material strong enough to protect the bark from accidental impacts with hand tools or power equipment. B. Accidental Poisoning: During the construction, the Contractor shall not cause, or permit the cleaning of equipment or material within the root zone of any tree. The Contractor shall not store or dispose of waste material including, but not limited to; paints, solvents, asphalt, concrete, mortar, or any other material harmful to the life of a tree, within the root zone of each tree, or group of trees. C. Root Pruning Specifications: When the cutting of tree roots is necessary, each final cut must be made as cleanly as possible for all roots over three (3) inches in diameter using the following method: 1. The line of excavation will be drawn out and appropriate excavation equipment used to clear the area at least six inches in front of the actual finished excavation line. Roots can then be cut using tools such as axes, stump grinders, or trenchers. 2. Each root over three (3) inches in diameter will then be cut cleanly back to the excavation line using a stump grinder operated by an experienced licensed arborist. A sharp hand or bow saw is acceptable for roots under three (3) inches in diameter. Axes and trenchers do not cut roots cleanly and will not be used for final root cuts. D. Contractor shall coordinate with the Owners' Field Representative prior to and during the installation of tree protection and root pruning activities. Owners' Field Representative, at his/her opinion, will contact the City Forester and/or City Arborist for advice and approval of the tree protection measures taken by the Contractor and also the City's advice and approval during the root pruning activities. E. No damaging attachments, wires, signs, permits or other objects may be fastened by any means to any tree preserved on this project. F. Violation of Specifications and Penalties for Damaging Trees: P:\Street Ovetsizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 18 Ziegler Road/ Kechter Road Roundabout Project Date: March 8, 2006 Any violation of these specifications will lead to penalties based on the type of violation and/or the resulting damages, and may be grounds for the termination of this contract. The penalties will be assessed based on the amount of damage done and the total value of that tree, or group of trees, prior to the damage. The minimum penalty will be $100.00. Penalties for any damage will be based on the total value of the tree as determined by the City Forestry Division staff and the severity of the damage as a proportion of the total value of that tree. This could include up to the full value of the tree. As an example, there are two American Elm trees to be preserved on another project. They are valued at $7,960 and $6,667 for the south and north trees respectively. The south tree is approximately 100 inches in circumference, therefore each inch is worth one -hundredth of the value, or $79.60 per inch. Similarly, the north tree is 91 inches in circumference, making each inch worth $73.26. To extend this to penalties paid, if one inch of the bark on the south tree is scuffed, the penalty would be $100 (the minimum allowed), if two inches are damaged, the penalty would be $159.20 and so on up to 50% of the circumference of the trunk. If 50% or more is damaged, the full value of the tree will be assessed as a penalty. (This example serves to illustrate how damages will be assessed). This method of assessing penalties will be applicable to all trees not marked for removal on the project, accidental poisoning and improper pruning. END OF SECTION SECTION 01580 TRAFFIC REGULATION 1.1 TRAFFIC CONTROL A. The traffic control for this project shall be the responsibility of the Contractor. Traffic control is defined as those devices necessary to channelize vehicular and pedestrian traffic through the project. The PASmeet Oveisizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 19 Ziegler Road/ Kechter Road Roundabout Project Date: March 8, 2006 City of Fort Collins is requiring that the project be constructed in 2 phases under traffic with a bi- directional closure. The Contractor is responsible for applying their costs associated to their predicted calendar day schedule to determine the lump sum amount. B. The Contractor and/or Traffic Control Contractor must submit traffic control plans and coordinate all traffic control with the City's Traffic Control Coordinator. The traffic control plans must be submitted and approved 72 hours prior to starting construction and before making each modification. Two-way traffic shall be maintained on this job at all times during Phase I and eastbound traffic on Kechter Road must remain uninterrupted (with right in / right out movements on Ziegler Road) during the construction of Phase II. C. Conformance: City of Fort Collins Work Area Traffic Control Handbook, Manual of Uniform Traffic Control Devices (U.S. Dept. of Transportation), or applicable statutory requirements of authority having jurisdiction. D. The traffic access/control plan limitations for handling traffic for these projects are described below. PHASE I: • The intersection of Ziegler and Kechter on the south side will be closed. This will allow for two way traffic flow on the north side of the intersection. During this time the Contractor will construct the south half of the roundabout. • Ziegler Road between Trilby Road and Kechter Road will be closed to install the Fort Collins — Loveland Water District 24" Waterline. During this time, the Contractor will be required to have a flagger or mechanical control device at the Trilby/Ziegler intersection during peak hours to assist the residents and traveling public in safely entering the intersection. Once this portion of the project is complete, Ziegler will be opened from Trilby Road to Shallow Pond. PHASE II: • During this phase, the north half of the intersection of Ziegler and Kechter will be closed. This will allow for on eastbound traffic to flow on the south side of the intersection and right in / right out movements on Ziegler Road. During this time the Contractor will construct the second half of the roundabout. Pedestrian Access — Pedestrian traffic shall be maintained along the West side of Ziegler Road at all times, utilizing temporary sidewalks when necessary. All other pedestrian traffic will be closed and pedestrians will be re-routed per plan. Bike Lanes— Bike lanes will need to be re-routed during construction in the project limits. Vehicle, Bike and Pedestrian Traffic — Access to all side streets and private drives shall be maintained at all times. The Contractor will be responsible for developing and access control plan in coordination with adjacent property owners and the City of Fort Collins representatives and submit this plan in conjunction with the traffic control plan to the Engineer for approval prior to the start of any work. Any modifications to the traffic control plan must be approved by the City's Traffic Control Coordinator and the Engineer. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\ConsUnction Specs\General Reqs General Reqs. - 20 Project: Ziegler Road and Kechter Road Roundabout Date: 4/8/2006 s eDescription Estimated Unit Unit Cost Item Cost Numbumberr Quantity Where: A = Contractor's total bid for the work items B = Number of Calendar Days required to substantially complete the Work Daily Cost for this Project = $2,072.00 A = Total Construction Cost (Lemay Avenue, Landscaping and Misc. Quantities) Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 E. Vehicle, bike and pedestrian access to all side streets and private drives shall be maintained at all times. The Contractor will develop an access control plan in coordination with adjacent property owners, and submit it in conjunction with the traffic control plan to the Engineer for approval prior to the start of any Work. Pedestrian traffic shall be maintained along the West side of Ziegler Road at all times, utilizing temporary sidewalks when necessary. F. The Contractor must work with the adjacent residents to provide and maintain sufficient access for them during the duration of the project. It will be the Contractors responsibility to coordinate and communicate with the residents during construction. G. The Contractor must maintain, at their cost, access to the Kinard Junior High School construction site during their business hours. It will be the Contractors responsibility to coordinate and communicate with the businesses during construction. H. The Contractor shall keep traffic areas free of excavated material, construction equipment, pipe, and other materials and equipment. I. The Contractor shall keep fire hydrants and utility control valves free from obstruction and available for use at all times. J. The Contractor shall provide and maintain, at their cost, temporary driveway approaches on driveways open to traffic at all times to insure that the approaches are smooth, compacted, and will not prohibit or inhibit the use of the driveway. The driveway approaches must be maintained seven days a week. In the case of bad weather the Contractor must repair the driveways immediately following the storm and must work to maintain access during the storm. 1.2 WORK AREA SAFETY A. The Contractor shall maintain a safe work area and protect area residents, motorists, bicyclists, pedestrians, and children from work area hazards. B. The Contractor shall provide all work area safety control devices, such as barricades and safety fence around all excavations and drop-offs. C. Work area safety control devices will not be paid for separately. Cost for this equipment should be included in the lump sum cost for the work items which will require work area safety control devices. 1.3 PARKING A. Provide suitable parking areas for the use of all construction workers and others performing work or furnishing services in connection with the Project so as to avoid interference with public traffic, Owner's operations, or construction activities. END OF SECTION P:\Street Oveisizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 21 Ziegler Road / Kechter Road Roundabout Project SECTION 01700 CONTRACT CLOSEOUT 1.1 SUBSTANTIAL COMPLETION Date: March 8, 2006 A. Substantial Completion for the Ziegler Road and Kechter Road Roundabout Project shall be defined as the following: I . All work requiring lane or shoulder closures or other traffic obstructions is complete. 2. Traffic is following the lane arrangements shown on the plans for finished roadway. 3. All pavement construction, joint sealing, and shoulder embankment is complete. 4. Traffic control devices and pavement markings are in their final positions. 5. All pedestrian sidewalks and decorative crosswalks within right-of-way are complete. 6. All median and center of roundabout concrete is complete and approved. B. Substantial Completion dates or times are outlined in Section 00520 - Agreement. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Geneial Reqs General Reqs. - 22 Ziegler Road / Kechter Road Roundabout Project 1.2 FINAL COMPLETION Date: March 8, 2006 A. Final Completion shall be defined as the following: 1. Once substantial completion has been met, the Contractor will be allowed 20 days to reach final completion. 2. This will include the completion of all Work including cleanup, Project Record Documents shall be turned over to the Owner, all punch list items completed, and all processing of all change orders. The Work must be ready for final payment and acceptance. B. Final Completion will be subject to the terms outlined in Section 00520 - Agreement. END OF SECTION SECTION 01711 SITE CLEANUP 1.1 GENERAL A. Execute cleanup, during progress of the Work, and at completion of the Work. B. Adequate cleanup will be a condition for recommendation of progress payments. 1.2 DESCRIPTION A. Store volatile wastes in covered metal containers and dispose off site. B. Provide on -site covered containers for the collection of waste materials, debris and rubbish. C. Neatly store construction materials, such as concrete forms, when not in use. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Conshuction Specs\General Reqs General Reqs. - 23 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 D. Broom clean adjacent paved surfaces and rake other adjacent surfaces. E. The streets adjacent to the construction area shall be cleaned of debris generated by the nroiect by the Contractor at the earliest opportunity, but in no case shall the street be left unclean after the completion of the day's work. It shall be the Contractor's responsibility to provide the necessary equipment and materials to satisfactorily clean the roadway at no additional cost to the proiect. The City's Street Department will sweep the street at an approximate hourly rate of $90.00 for a minimum of 2 hours. The Contractor must sign a Contract with the City Street Department prior to requesting street sweeping. Construction "DRAG OUT" will not be tolerated. The Contractor must have the means to sweep, wash and scrape the roadway clear of any materials drug out by construction traffic on -site. The Contractor will monitor his construction traffic and clean as necessary or as directed by the on -site Project Engineer. If the streets are not cleaned by the Contractor within 24 hours after having been given notice from the Project Engineer, the Project Engineer will have the Streets Department sweep the streets at the rates listed above and will back charge the Contractor for expenses incurred. 1.3 DISPOSAL A. Wastes shall not be buried or burned on the site or disposed of into storm drains, sanitary sewers, streams or waterways. B. Remove waste materials, clearing materials, demolition materials, unsuitable excavated materials, debris and rubbish from the site at least weekly and dispose of at disposal areas furnished by Contractor away from the site. END OF SECTION SECTION 01720 PROJECT RECORD DOCUMENTS 1.1 GENERAL A. Maintain at the site one record copy of: 1. Documents and samples called for in General Conditions 6.19. 2. Field Test Records. 3. Certificates of compliance. 1.2 MAINTENANCE OF DOCUMENTS AND SAMPLES A. File documents and samples in accordance with the specifications section numbers. B. Maintain documents and samples in a clean, dry, legible condition and in good order. Do not use record documents for construction purposes. 1.3 RECORDING P:\Street Oveisizing\Zieglei Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reps General Reqs. - 24 Ziegler Road / Kechter Road Roundabout Project Date: March S, 2006 A. Label each document "PROJECT RECORD" in neat large printed letters. B. Record information concurrently with construction progress. 1. Do not cover Work until required information is recorded. C. Marking of Project Records. 1. Legible and with a dark pen or pencil. 2. Ink shall not be water based or subject to easy smearing. D. Mark Drawings to record actual construction. 1. Field dimensions, elevations, and details. 2. Changes made by a Modification. 3. Details not on original Drawings. 4. Horizontal and vertical locations of underground utilities and appurtenances referenced to a minimum of three permanent surface improvements. 5. Depths of various elements in relation to project datum. 6. Location of utilities and appurtenances concealed in the construction, referenced to visible and accessible features of the structure. 1.4 SUBMISSION A. Accompany submittal with transmittal letter in duplicate containing: I. Date. 2. Project title and number. 3. Contractor's names, address, and telephone number. 4. Index containing title and number of each Record Document. 5. Signature of Contractor or his authorized representative. END OF SECTION P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Conshuction Specs\General Reqs General Reqs. - 25 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 ZIEGLER ROAD AND KECHTER ROAD ROUNDABOUT PROJECT The Colorado Division of Highways "Standard Specifications for Road and Bridge Construction" (2005), except as revised herein, is hereby adopted as a minimum standard of compliance for this project. The City of Fort Collins Storm Drainage Construction Standards, City of Fort Collins Water Utilities Standard Construction Specifications, Larimer County Urban Area Street Standards, the Fort Collins — Loveland Water District and South Fort Collins Sanitation District Standards, and City of Fort Collins Work Area Traffic Control Handbook, shall also serve as minimum standards of compliance for this project. They are not included in the contract documents, but may be obtained at the appropriate City Departments. It shall be the Contractor's responsibility to purchase and familiarize themselves with all of the City Department Specifications. These project specifications, City Department specifications, and CDOT standard specifications are considered minimum standards for compliance on this project. In those instances where the CDOT Standard Specifications conflict with the City specifications listed above, the City specifications shall govern. In those instances where the CDOT Standard Specifications conflict with any of the provisions of the preceding Sections 00001 through 01750, General Requirements, the preceding sections shall govern. PROJECT CONSTRUCTION SPECIFICATIONS INDEX OF REVISIONS SECTION PAGE 2810 IRRIGATION............................................................................................................Technical Specs 2-10 2900 PLANTINGS.............................................................................................................Technical Specs 11-21 P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - I Ziegler Road / Kechter Road Roundabout Project REVISION OF SECTION 2510 IRRIGATION PART 1— GENERAL 1.01 RELATED DOCUMENTS Date: April 11, 2006 Furnish all labor, materials, supplies, equipment, tools and transportation, and perform all operations in connection with and reasonably incidental to the complete installation of the irrigation system, and guarantee/warranty as shown on the drawings, the installation details, and as specified herein. Items of work specifically included are: A. Procurement of all applicable licenses, permits, and fees including payment of all development, plant investment, or any other fees and permits associated with the purchase and installation of the tap. B. Coordination of Utility Locates ("Call Before You Dig"). C. Excavation, installation, and backfill of tap into municipal water line. D. Excavation, installation, and backfill of water meter and vault. E. Verification of existing static pressure. F. Maintenance period. G. Sleeving for irrigation pipe. 1.02 WORK NOT INCLUDED Items of work specifically excluded or covered under other sections are: A. Provision and connection of electrical power supply to the irrigation control system. 1.03 RELATED WORK 1.04 SUBMITTALS A. Deliver four (4) copies of all required submittals to the Owner's Representative within 15 days from the date of Notice to Proceed. Materials List: Include pipe, fittings, mainline components, water emission components, control system components. Quantities of materials need not be included. B. Manufacturers' Data: Submit manufacturers' catalog cuts, specifications, and operating instructions for equipment shown on the materials list. C. Shop Drawings: Submit shop drawings called for in the installation details. Show products required for proper installation, their relative locations, and critical dimensions. Note modifications to the installation detail. D. Project Record Drawings: Submit project record (as -built) drawings to Owner prior to commencement of maintenance period (refer to specification section 3.11 for specific requirements). 1.05 RULES AND REGULATIONS A. Work and materials shall be in accordance with the latest edition of the National Electric Code, the Uni orm Plumbing Code as published by the Western Plumbing Officials Association, and applicable laws and regulations of the governing authorities. When the contract documents call for materials or construction of a better quality or larger size than required by the above -mentioned rules and regulations, provide the quality and size required by the contract documents. P:\Street Oversizing\Ziegler Road Keebter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 2 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 C. If quantities are provided either in these specifications or on the drawings, these quantities are provided for information only. It is the Contractor's responsibility to determine the actual quantities of all material, equipment, and supplies required by the project and to complete an independent estimate of quantities and wastage. 1.06 TESTING A. Notify the Owner's Representative three days in advance of testing. B. Pipelines jointed with solvent -welded PVC joints shall be allowed to cure at least 24 hours before testing. C. Subsections of mainline pipe maybe tested independently, subject to the review of the Owner's Representative. D. Furnish clean, clear water, pumps, labor, fittings, and equipment necessary to conduct tests or retests. E. Hydrostatic Pressure Test: 1. Subject mainline pipe to a hydrostatic pressure of 150 PSI for two hours. Test with mainline components installed. A 2 PSI pressure variation is allowed. Backfill to prevent pipe from moving under pressure. Expose couplings and fittings. 2. Leakage will be detected by visual inspection. Replace defective pipe, fitting, joint, valve, or appurtenance. Repeat the test until the pipe passes test. 3. Cement or caulking to seal leaks is prohibited. Operational Test: 1. Activate each remote control valve in sequence from controller. The Owner's Representative will visually observe operation, water application patterns, and leakage. 2. Replace defective remote control valve, solenoid, wiring, or appurtenance to correct operational deficiencies. 3. Replace, adjust, or move water emission devices to correct operational or coverage deficiencies. 4. Replace defective pipe, fitting, joint, valve, sprinkler, or appurtenance to correct leakage problems. Cement or caulking to seal leaks is prohibited. 5. Repeat test(s) until each lateral pass all tests. 1.07 CONSTRUCTION REVIEW The purpose of on -site reviews by the Owner's Representative is to periodically observe the work in progress and the Contractor's interpretation of the construction documents and to address questions with regards to the installation. A. Scheduled reviews such as those for irrigation system layout or testing should be scheduled with the Owner's Representative as required by these specifications. B. Impromptu reviews may occur at any time during the project. C. Final review will occur at the completion of the irrigation system installation and Record (As -Built) Drawing submittal. 1.08 GUARANTEE / WARRANTY AND REPLACEMENT The purpose of this guarantee/warranty is to insure that the Owner receives irrigation materials of prime quality, installed and maintained in a thorough and careful manner. A. For a period of one year from commencement of the formal maintenance period, guarantee/warranty P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction SpecsTandscaping Specs Landscaping Technical Specs - 3 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 irrigation materials, equipment, and workmanship against defects. Fill and repair depressions. Restore landscape or structural features damaged by the settlement of irrigation trenches or excavations. Repair damage to the premises caused by a defective item. Make repairs within seven days of notification from the Owner's Representative. B. Contract documents govern replacements identically as with new work. Make replacements at no additional cost to the contract price. C. Guarantee/warranty applies to originally installed materials and equipment and replacements made during the guarantee/warranty period. END OF PART 1 - GENERAL P:\Street Oversizing\Zlegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 4 Ziegler Road / Kechter Road Roundabout Project PART 2 - MATERIALS 2.01 QUALITY Date: April 11, 2006 Use materials which are new and without flaws or defects of any type, and which are the best of their class and kind. 2.02 SUBSTITUTIONS Pipe sizes referenced in the construction documents are minimum sizes, and may be increased at the option of the Contractor. 2.03 IRRIGATION TAP AND WATER METER A. Provide materials required by local codes for installation of the municipal water tap and associated piping. B. Provide materials required by local code for installation of the water meter and vault and associated piping. 2.04 SLEEVING A. Sleeving beneath drives and streets shall be PVC Class 200 pipe with solvent welded joints. B. Sleeving diameter: equal to twice that of the pipe or wiring bundle. 2.05 PIPE AND FITTINGS A. Mainline Pipe and Fittings: 1. Use rigid, unplasticized polyvinyl chloride (PVC) 1120, 1220 National Sanitation Foundation (NSF) approved pipe, extruded from material meeting the requirements of Cell Classification 12454-A or 12454-B, ASTM Standard D1784, with an integral belled end. 2. Use Class 200, SDR-21, rated at 200 PSI, conforming to the dimensions and tolerances established by ASTM Standard D2241. Use PVC pipe rated at higher pressures than Class 200 in the case of small nominal diameters which are not manufactured in Class 200. 3. Use solvent weld pipe for mainline pipe with a nominal diameter less than 3-inches or where a pipe connection occurs in a sleeve. Use Schedule 40, Type 1, PVC solvent weld fittings conforming to ASTM Standards D2466 and D1784. Use primer approved by the pipe manufacturer. Solvent cement to conform to ASTM Standard D2564. B. Lateral Pipe and Fittings: For drip irrigation laterals downstream of zone control valves, use UV radiation resistant polyethylene pipe manufactured from Prime Union Carbide G-resin 7510 Natural 7 manufactured by Union Carbide or a Union Carbide Licensee with a minimum of 2% carbon black, and minimum nominal pipe ID dimension of 0.810" for inch pipe. Use PVC/compression line fittings compatible with the drip lateral pipe. Use tubing stakes to hold above- ground pipe in place. C. Specialized Pipe and Fittings: 1. Copper pipe: Use Type "K" rigid conforming to ASTM Standard B88. Use wrought copper or cast bronze fittings, soldered or threaded per the installation details. Use a 95% tin and 5% antimony solder. 2. Use a dielectric union wherever a copper -based metal (copper, brass, bronze) is joined to an iron -based P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 5 project: Ziegler Road and Kechter Road Roundabout )ate: 4/8/2006 Spedltem Estimated Unit Unit Cost Item cost Number Description Quantity B = Total number of calendar days bid = Total number of calendar days bid ( ) X $2,072.00 = TOTAL PROJECT COST = A + B X (the daily cost) _ Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 metal (iron, galvanized steel, stainless steel). 3. Assemblies calling for pre -fabricated double swing joints shall utilize LASCO Unitized swing joints or approved equal. Swing joints shall berated at 315 psi, and use 0-ring and street elbow construction. 4. Assemblies calling for threaded pipe connections shall utilize PVC Schedule 80 nipples and PVC Schedule 80 threaded fittings. Joint sealant: Use only Teflon -type tape pipe joint sealant on plastic threads. Use nonhardening, nontoxic pipe joint sealant formulated for use on water -carrying pipes on metal threaded connections. 2.06 MAINLLINE COMPONENTS A. Main System Shutoff Valve: As per local practice and in compliance with local code. B. Winterization Assembly: As per local practice and in compliance with local code. C. Backflow Prevention Assembly: As presented in the installation details. D. Quick Counline Valve Assembly: Double swing joint arrangement as presented in the installation details. 2.07 DRIP IRRIGATION COMPONENTS A. Remote Control Valve (RCV) Assembly for Drip Laterals: As presented in the installation details. Use wire connectors and waterproofing sealant to join control wires to solenoid valves. Use standard Christy I.D. tags with hot -stamped black letters on a yellow background. Install a separate valve box over a 3-inch depth of %-inch gravel for each assembly. B. Flush Can Assembly: as presented in the installation details. Locate at the end of each drip irrigation lateral pipe.' Install a separate valve box over a 3-inch depth of'/ -inch gravel for each assembly. 2.08 CONTROL SYSTEM COMPONENTS A. Irrigation Controller Unit: 1. Rain Bird UNIK Battery -operated controller with one (1) field transmitter for the project, and one (1) control module for each remote control valve on the project. NOTE: This controller should only be used if there is no power source available. 2.09 OTHER COMPONENTS A. Tools and Spare Parts: Provide operating keys, servicing tools, test equipment, other items, and spare parts indicated in the General Notes of the drawings. END OF PART 2 - MATERIALS PART 3 - EXECUTION 3.01 INSPECTIONS AND REVIEWS A. Site Inspections: 1. Verify site conditions and note irregularities affecting work of this section. Report irregularities to the P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 6 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 Owner's Representative prior to beginning work. 2. Beginning work of this section implies acceptance of existing conditions. 3. Contractor will be held responsible for coordination between landscape and irrigation system installation. 4. Landscape material locations shown on the Landscape Plan shall take precedence over the irrigation system equipment locations. If irrigation equipment is installed in conflict with the landscape material locations shown on the Landscape Plan, the Contractor will be required to relocate the irrigation equipment, as necessary, at Contractor's expense. B. Utility Locates ("Call Before You Dig" ): 1. Arrange for and coordinate with local authorities the location of all underground utilities. 2. Repair any underground utilities damaged during construction. Make repairs at no additional cost to the contract price. C. Irrigation System Layout Review: Irrigation system layout review will occur after the staking has been completed. Notify the Owner's Representative two days in advance of review. Modifications will be identified by the Owner's Representative at this review. 3.02 LAYOUT OF WORK A. Stake out the irrigation system. Items staked include: pipe, control valves, and isolation valves. B. Install all mainline pipe and mainline components inside of project property lines. 3.03 EXCAVATION, TRENCHING AND BACKFILLING A. Excavate to permit the pipes to be laid at the intended elevations and to permit work space for installing connections and fittings. B. Minimum cover (distance from top of pipe or control wire to finish grade): 18-inch over mainline pipe. 3-inch minimum mulch cover over drip lateral pipe in planting beds downstream of drip system zone control valves. 3. PVC UV radiation resistant lateral pipe shall be installed directly on the soil surface. C. Backfill only after lines have been reviewed and tested. D. Excavated material is generally satisfactory for backfill. Backfill shall be free from rubbish, vegetable matter, frozen materials, and stones larger than 2-inches in maximum dimension. Remove material not suitable for backfill. Backfill placed next to pipe shall be free of sharp objects which may damage the pipe. Stones larger than 1-inch maximum dimension are not permitted in first (deepest) 6-inches of backfill. Backfill unsleeved pipe in either of the following manners: 1. Backfill and puddle the lower half of the trench. Allow to dry 24 hours. Backfill the remainder of the trench in 6-inch layers. Compact to density of surrounding soil. 2. Backfill the trench by depositing the backfill material equally on both sides of the pipe in 6-inch layers and compacting to the density of surrounding soil. F. Enclose pipe beneath roadways, walks, curbs, etc. in sleeves. Minimum compaction of backfill for sleeves shall be 95% Standard Proctor Density, ASTM D698-78. Conduct one compaction test for each sleeved crossing less than 50 feet long. Conduct two compaction tests for each sleeved crossing greater than 50 feet long. Costs for such testing and any necessary retesting shall be borne by the Contractor. Use of water for compaction around sleeves, "puddling", will not be permitted. G. Dress backfilled areas to original grade. Dispose of excess backfill off site. P:\Street Oversizing\Ziegier Road Kechter Road Roundabout\11id Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 7 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 H. Where utilities conflict with irrigation trenching and pipe work, contact the Owner's Representative for trench depth adjustments. 3.04 IRRIGATION TAP AND WATER METER A. Install the municipal water tap and associated piping materials in conformance with local regulations. B. Install the water meter and vault and associated piping in conformance with local regulations. 3.05 SLEEVING AND BORING A. Install sleeveing at a depth which permits the encased pipe to remain at the specified burial depth. B. Extend sleeve ends six inches beyond the edge of the paved surface. Cover pipe ends and mark with stakes. Mark concrete with a chiseled "x" at sleeve end locations. C. Bore for sleeves under obstructions which cannot be removed. Employ equipment and methods designed for horizontal boring. 3.06 ASSEMBLING PIPE AND FITTINGS A. General: 1. Keep pipe free from dirt and pipe scale. Cut pipe ends square and debur. Clean pipe ends. 2. Keep ends of assembled pipe capped. Remove caps only when necessary to continue assembly. B. Mainline Pipe and Fittings: 1. Use only strap -type friction wrenches for threaded plastic pipe. 2. PVC Solvent Weld Pipe: a. Use primer and solvent cement. Join pipe in a manner recommended by the manufacturer and in accordance with accepted industry practices. b. Cure for 30 minutes before handling and 24 hours before allowing water in pipe. c. Snake pipe from side to side within the trench. 3. Fittings: The use of cross type fittings is not permitted. 4. UV Radiation Resistant Polyethylene Pipe: a. Join pipe in the manner recommended by manufacturer and in accordance with accepted industry practices. b. Snake pipe from side to side within the trench, on the soil surface, and hold in place with tubing stakes spaced every five feet. 5. Fittings: The use of cross type fittings is not permitted. C. Specialized Pipe and Fittings: 1. Copper Pipe: a. Buff surfaces to be joined to a bright finish. Coat with solder flux. b. Solder so that a continuous bead shows around the joint circumference. 2. Insert a dielectric union wherever a copper -based metal (copper, brass, bronze) and an iron- based metal (iron, galvanized steel, stainless steel) are joined. 3. Pre -fabricated double swing joints: Install per manufacturer's recommendations. 4. Low Density Polyethylene Hose: Install per manufacturer's recommendations. 5. PVC Threaded Connections: a. Use only factory -formed threads. Field -cut threads are not permitted. b. Use only Teflon -type tape. c. When connection is plastic -to -metal, the plastic component shall have male threads and the metal component shall have female threads. P:\Street Oversizing\Ziegler Road Kechter Road RoundabouAllid Docs\Construction SpecsTandscaping Specs Landscaping Technical Specs - 8 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 6. Make metal -to -metal, threaded connections with Teflon -type tape or pipe joint compound applied to the male threads only. 3.07 INSTALLATION OF MAINLINE COMPONENTS A. Main System Shut Off Valve: Install where indicated on the drawings. B. Winterization Assembly: Install where indicated on the drawings. C. Backflow Prevention Assembly: Install where indicated on the drawings. Install assembly so that its elevation, orientation, access, and drainage conform to the manufacturer's recommendations and applicable health codes. D. Quick Coupling Valve Assembly: Install where indicated on the drawings. 3.08 INSTALLATION OF DRIP IRRIGAITON COMPONENTS A. Remote Control Valve (RCV) Assembly for Drip Laterals: 1. Flush mainline pipe before installing RCV assembly. 2. Locate as shown on the drawings. Wire connectors and waterproof sealant shall be used to connect control wires to remote control valve wires. Connectors and sealant shall be installed as per the manufacturer's recommendations. Install only one RCV to valve box. Locate at least 12-inches from and align with nearby walls or edges of paved areas. B. Drip Emitter Assembly: 1. Locate as shown on the drawings and installation details. 2. Flush lateral pipe before installing emitter assembly. 3. Cut emitter outlet distribution tubing square. 4. Use tools and techniques recommended by the manufacturer. C. Flush Cap Assembly: Install at the end of each drip irrigation lateral pipe as shown on the installation details. 3.09 INSTALLATION OF CONTROL SYSTEM COMPONENTS A. Irrigation Controller Unit: 1. Install battery -operated controller on underside of each remote control valve box cover with Velcro strapping. 2. Make wiring connection per manufacturer's recommendation. 3.10 INSTALLATION OF OTHER COMPONENTS A. Tools and Spare Parts: 1. Prior to the Pre -Maintenance Review, supply to the Owner operating keys, servicing tools, test equipment, and any other items indicated on the drawings. 2. Prior to Final Review, supply to the Owner the spare parts indicated in the General Notes on the drawings. B. Other Materials: Install other materials or equipment shown on the drawings or installation details to be part of the irrigation system, even though such items may not have been referenced in these specifications. 3.11 PROJECT RECORD (AS -BUILT) DRAWINGS A. Maintain on -site and separate from documents used for construction, one complete set of contract documents as Project Documents. Keep documents current. Do not permanently cover work until as -built information P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 9 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 is recorded. B. Record pipe and wiring network alterations. Record work which is installed differently than shown on the construction drawings. Record accurate reference dimensions, measured from at least two permanent reference points, of each irrigation system valve, each backflow prevention device, each sleeve end, and other irrigation components enclosed within a valve box. C. Prior to Final Review, purchase from the Owner's Representative a reproducible mylar copy of the drawings. Using technical drafting pen, duplicate information contained on the project drawings maintained on site. Label each sheet "Record Drawing". Completion of the Record Drawings will be a prerequisite for the Final Review. 3.12 MAINTENANCE A. Upon completion of Final Review, maintain irrigation system for duration of 2 years. Make periodic examinations and adjustments to irrigation system components so as to achieve the most desirable application of water. B. Following completion of the Contractor's maintenance period, the Owner will be responsible for maintaining the system in working order during the remainder of the guarantee/warranty period, for performing necessary minor maintenance, for trimming around sprinklers, for protecting against vandalism, and for preventing damage during the landscape maintenance operation. 3.13 CLEAN-UP A. Upon completion of work, remove from the site all machinery, tools, excess materials, and rubbish. END OF PART 3 — EXECUTION END OF IRRIGATION SECTION P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 10 Ziegler Road / Kechter Road Roundabout Project SECTION 2900 LANDSCAPE PLANTING PART 1 - GENERAL 1.01 RELATED DOCUMENTS Date: April 11, 2006 The general provisions of the contract, including General and Supplementary Conditions and Division 1, General Requirements, apply to the work specified in this Section. 1.02 DESCRIPTION OF WORK A. Furnish all labor, materials, supplies, equipment, tools and transportation, and perform all operations in connection with and reasonably incidental to complete installation of the planting and guarantee as shown on the drawings and as specified herein. The work shall include, but not be limited to the following: 1. Procurement of all applicable licenses, permits, and fees. 2. Determination of utility locations prior to construction. 3. Site inspection. 4. Planting of trees, shrubs, perennials, and turf installation. 5. Soil Preparation and Fine Grading. 6. Staking and guying of trees. 7. Mulching of all trees and shrubs. 8. Cleanup, inspection, and approval. 9. Guarantee of all plantings. 10. Maintenance. 11. All work of every description mentioned in the Drawings and Specifications and/or Addenda thereto. B. Related Work Specified Under Other Sections: Consult all other Sections, determine the extent and character of related work, and properly coordinate work specified herein with that specified elsewhere to produce a finished, workmanlike installation. 1.03 PROTECTION OF EXISTING FEATURES A. Protect all existing site development including, but not limited to, existing buildings, equipment, underground utilities, walls, walks, roads, materials, trees, etc. Any existing site development damaged by willful or negligent acts of the Contractor, Sub -Contractor or any of the employees shall be replaced or repaired at no cost to the Owner and in a manner satisfactory to the Owner's Representative before project acceptance is given. B. The above provision applies to on -site damage as well as to that which may occur to adjacent properties. C. Until the project has been accepted, erect and maintain shoring, barricades, guards, warning lights and lights as necessary or required for the protection of the public, the work and the workers. 1.04 SUBMITTALS Submit duplicate samples and manufacturer's guaranteed analysis of the following items and such other materials as may be required by the Owner's Representative and obtain written approval there of before beginning fabrication or delivery of material to the project site. Finished work shall match approved samples. P:\Street OversizingWegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 11 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 1. Soil amendments and mulch materials. 2. Tree ties and guying materials. 3. Fertilizers 1.05 ANALYTICAL TESTS Submit 2 copies of an analytical test, performed by certified soil laboratory, demonstrating compliance with these specifications for the composted manure and peat moss. 1.06 INSPECTIONS A. Pre -Planting Inspection: 1. All plant materials must be inspected at the place of growth and/or on the project site before planting commences. Plants shall be inspected for size, variety, condition, defects or injury. The Owner's Representative reserves the right to reject unsatisfactory plant material at any time during the work. 2. Notify the Owner's Representative of the source of material no later than 30 days after award of the contract. 3. All fertilizers, pre -mixed backfrll mixes, mulches and soil amendments will be inspected at the site by the Owner's Representative before they are used in planting operations. B. Planting Inspections: 1. Owner's Representative shall inspect the staked location of all trees prior to the planting of those trees. 2. Owner's Representative shall inspect container stock with said plants set on the ground at the proposed locations before digging commences. C. Pre -Maintenance Inspection: I . As soon as all planting is completed, the Owner's Representative upon request of the Contractor will hold a planting review and preliminary inspection to determine the condition of the plantings. 2. The Contractor shall have all planting areas free of weeds and neatly cultivated. Irrigation systems shall be fully operational with all heads properly adjusted. All debris and litter shall be cleaned up and walkways, curbs and roads shall be cleared of all soil and debris. The inspection shall not occur until these conditions are met. 3. If, after the inspection, the Owner's Representative is of the opinion that all work has been performed as per the contract documents, and that all plant materials are in satisfactory growing condition, he will give the Contractor written notice of acceptance. 4. Work requiring corrective action in the judgment of the Owner's Representative shall be performed within ten (10) days. Corrective work and materials replacement shall be in accordance with the contract documents, and shall be made by the Contractor at no cost to the Owner. D. Final Inspection: 1. At the completion of the two growing season maintenance period, the final inspection shall be performed. 2. If, after the inspection, the Owner's Representative is of the opinion that all work has been performed as per the contract documents, and that all plant materials are in satisfactory growing condition, he will give the Contractor written notice of acceptance and completion of the formal maintenance period. 3. Final approval will not be given until all deficiencies are corrected. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid DocsTonstruction Specs\Landscaping Specs Landscaping Technical Specs - 12 Ziegler Road / Kechter Road Roundabout Project 1.07 GUARANTEE Date: April 11, 2006 A. Guarantee trees, shrubs, ground covers and other plant material to root, thrive and be free from defects from any cause for two years, from pre -maintenance inspection to finial approval by the owner. B. Any trees or other plant materials that die back and lose the form and size originally specified shall be replaced, even though they have taken root and are growing after the dieback. C. Within 15 days of written notification by the Owner, remove and replace all guaranteed plant materials which, for any reason, fail to meet requirement of guarantee. Replacement planting for trees shall be done in the spring planting season only, except as approved otherwise. Replacements shall be made to same specifications required for original materials and shall carry the same guaranty from the time they are replaced. D. Plants shall be planted only when weather and soil conditions permit and in accordance with locally accepted practices, and as approved by the owner's representative. E. Trees shall be planted in same growing season as they were dug. END OF PART 1- GENERAL P:\Street Oversizing\7_iegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 13 Ziegler Road / Kechter Road Roundabout Project PART2-PRODUCTS 2.01 TREES, SHRUBS, AND GROUND COVERS Date: April 11, 2006 A. Quantities: Plant material shall be famished in quantities required to complete work as indicated on the Drawings and shall be of species, kinds, sizes, etc., specified. B. Nomenclatures: Plant names listed on Drawings conform to standardized plant names established by the American Joint Committee on Horticulture Nomenclature, except that for names not covered therein, the established custom of the nursery trade is followed. Quality: Plants shall be symmetrical and typical for species and variety. Plants shall be sound, healthy, vigorous, and free from disease and insect pests or their eggs. All plant material shall conform to the requirements of the Colorado Nursery Act of 1965, Title 35, Article 26, and CRS 1973. D. Digging, wrapping, and handling: Plants shall be dug and prepared for shipment in a manner that will not cause damage to branches, shape and future development after planting. E. Balled and burlapped plants: Shall be nursery grown stock adequately balled with firm, natural balls of soil in sizes and ratios conforming to the Colorado Nursery Act as cited above. Balls shall be firmly wrapped with non -treated burlap, secured with wire or jute. Broken balls will not be accepted. Ponderosa Pine may be collected with root ball sizes in conformance with the Colorado Nursery Act as cited above. F. Container grown plants: Shall have been nursery grown in containers and shall have sufficient roots to hold the entire soil mass together after container removal without being root -bound. G. Options as to method: If all other requirements are met, a balled and burlapped plant may be s substituted for a container grown plant. H. Plant protection: Plants shall be handled so that roots are adequately protected at all times from drying out and from other injury. Cover balls of balled plants, which cannot be planted within 24 hours from delivery, with mulch or other suitable material. Where possible, store plants in the shade. Keep all plant roots moist before, during, and after planning. I. Pruning: Trees shall not be pruned, except by City Forestry staff. Dead and broken shoots should be pruned out of woody shrub material. J. Substitutions: Will be allowed only when specified material is proved unavailable and only with approval of the Owner's Representative. Proposals will be considered for use of nearest equivalent size or species and variety with the equitable adjustment to the Contract price. K. Trees dug and held over from a previous growing season will not be accepted for use. 2.02 SOIL AMENDMENTS/FERTILIZERS/MULCHES A. Topsoil: imported and on site topsoil (located in stockpile on site) for use in backfill mix. Topsoil to be a mix of 75% topsoil and 25% composted manure mixed well prior to being placed in median and in parkway tree pits. Topsoil shall be free of all foreign material and screened and ground to eliminate clumps larger than 1" in diameter. Submit sample for approval to the City Forestry . B. Composted Manure: Composted dairy cow: Free from lumps, stones, or other foreign matter. Free from mineral matter or chemical composition harmful to plant life. Compost shall meet the following requirements. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction SpecsTandscaping Specs Landscaping Technical Specs - 14 Ziegler Road I Kechter Road Roundabout Project Submit analysis of all the requirements listed below. Minimum Stability Indicator (Respirometry Maturity Indicator Expressed as Ammonia N / Nitrate N Ratio Maturity Indicator Expressed as Carbon to Nitrogen Ratio Maturity Indicator Expressed as Percentage of Germination / Vigor Ag Index- Acceptable Range pH- Acceptable Range Soluble Salts- Acceptable Range Testing and Test Report Submittal Requirements Chemical Contaminants Bulk Density, % Inorganic: % Moisture; Particle Size Distribution; Secondary Nutrients; Trace Elements; Organic Matter Expressed in Percentage and Pounds Per CY Pathogens Date: April It, 2006 Stable <6 <18 N/A >10 6.0-8.2 5-10 mmhos/cm STA/TMECC Meet or exceed US EPA Class A standard, 40 CFR 503, 13, Tables 1 & 3 levels. Must Report Meet or exceed US EPA Class A standard, 40 CFR 503.32 (a) levels. C. Peat Moss for annuals and perennials: Free from lumps, stones or other foreign matter. Free from mineral matter or chemical composition harmful to plant life. Acid reaction of 3 to 5 pH. Shall contain no less than 60% organic matter by weight on an oven -dry basis. Submit analysis as required by 1.04. P:\Street Oversizing\Ziegler Road Kecbter Road Roundabout\Bid Does\Construction Specs\Landscaping Specs Landscaping Technical Specs - 15 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 ZIEGLER ROAD / KECHTER ROAD ROUNDABOUT PROJECT The Engineers Joint Contract Documents Committee General Conditions govern the construction of this contract. The following General Requirements supplement these General Conditions. PROJECT GENERAL REQUIREMENTS TABLE OF CONTENTS SECTION PAGE 01010 SUMMARY OF WORK......................................................................................... General Reqs. 2-3 01040 COORDINATION.................................................................................................. General Reqs. 4-5 01310 CONSTRUCTION SCHEDULES......................................................................... General Reqs. 6-7 01330 SURVEY DATA — (Contractor Supplied)............................................................ General Reqs. 8 01340 SHOP DRAWINGS................................................................................................. General Reqs. 9-I1 01410 TESTING.................................................................................................................. General Reqs. 12-13 01510 TEMPORARY UTILIITIES.................................................................................. General Reqs. 14 01560 TEMPORARY CONTROL...................................................................................General Reqs. 15-16 01570 TREE PROTECTION........................................................................................... General Reqs. 17-18 01580 TRAFFIC REGULATION — (Contractor Supplied) .......................................... General Reqs. 19-20 01700 CONTRACT CLOSEOUT.................................................................................... General Reqs. 21 01711 SITE CLEANUP..................................................................................................... General Reqs. 22 01720 PROJECT RECORD DOCUMENTS................................................................. General Reqs. 23 PASStreet Ovesizing�Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 1 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 D. Fertilizers: 1. Tablets for tree and shrub planting - "The Pill" by Agriform with 20-10-5 analysis, 21 gram size, Osmocote Sierrablend, 9 month slow release or industry equivalent. 2. Fertilizers for grass, shrub and tree planting shall be commercial type of uniform composition, free flowing, and conforming to the applicable State and Federal laws. Submit manufacturers guaranteed analysis as required in 1.03. Guaranteed analysis shall be designed to conform to amendment requirements given in Part 3, "Execution." E. Mulch: 1. Bark Mulch: Cedar mulch must be approved by City Parks Division prior to installation. 2.03 SEEDING MATERIALS A. Grass Seed: 1. Seed shall be and have been tested for purity, germination and freedom from weeds with in 6 months of the date of contract. All seed shall be free of Poa annua, noxious weeds and shall not exceed 0.1 % crop seed. Unless other wise directed by the Owner/ Representative, seed germination shall equal or exceed 90% and a purity of 85%. B. Grass Seed Mixtures 1. 50% Kentucky Bluegrass Varieties will be decided and finalized Poa pratensis 80-85-0.0.50 based on soil testing results 30% Chewings Red Fescue Festuca rubra var. 85 98 0.50 10% Perennial Ryegrass Lolium perenne 90 98 0.50 10% Redtop Agrostis alba 85 92 1.00 C. Mulch I. Seed Mulch: Wood cellulose fiber mulch, dyed green, Conwed "Hydro -Mulch 2000 Fiber" with tacifier, straws, or approved equal. 2. Hay or Straw: Grass hay or cereal grain straw should be uniformly spread at 2 tons per acre and mechanically crimped into the soil. 3. Erosion Control Fabric: 100% agricultural straw blanket with nonphotodegradable netting both sides similar to North American Green, 5150 or as otherwise specified. 2.04 MATERIALS FOR STAKING AND GUYING A. Stakes: Metal T-posts painted dark green or black. B. Ties: Fabric: Nylon canvas or rubberized cloth straps, 2" x length required. END OF PART 2 - PRODUCTS P:\Street OversizingMegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 16 Ziegler Road / Kechter Road Roundabout Project PART 3 - EXECUTION 3.01 GENERAL Date: April 11, 2006 A. Inspection: Examine the substrate in which the work is to be performed. Do not proceed until unsatisfactory conditions have been corrected. B. Dimensions: All scaled dimensions are approximate. Before proceeding with any work, carefully check and verify all dimensions and quantities and immediately inform the Owner's Representative of any discrepancy between the drawings and/or specifications and actual conditions. C. Coordination: Coordinate work with other trades to insure proper sequencing of construction. 3.02 SOIL PREPARATION A. Grades have been established under work of another Section to within 1 " plus or minus of required finished grades. Verify that grades are within V plus or minus, of required finished grades. Notify the Owner's Representative prior to commencing soil preparation work if existing grades are not satisfactory, or assume responsibility for conditions as they exist. Weed and debris removal: All ground areas to be planted shall be cleaned of all weeds and debris prior to any soil preparation or grading work. Weeds and debris shall be disposed of off the site. C. Contaminated soil: Do not perform any soil preparation work in areas where soil is contaminated with cement, plaster, paint or other construction debris. Bring such areas to the attention of the Owner's Representative and do not proceed until the contaminated soil is removed and replaced. Soil contaminated by chemical herbicides in any planting areas shall be removed to a depth of 12" and replaced with clean herbicide -free topsoil. D. Moisture Content: Soil shall not be worked when moisture content is so great that excessive compaction will occur, nor when it is so dry that excessive dust will form in the air or that clods will not break readily. Water shall be applied, if necessary, to bring soil to an optimum moisture content for tilling and planting. 3.03 SOIL CONDITIONING MEDIANS & PARKWAYS A. Median areas shall be excavated below the base of the splash block 24" and then filled with the specified mix (2.02a). The subgrade will be scarified to a 6" depth parallel to the way the median runs, to allow for drainage and root movement. The specified topsoil and compost mix shall be thoroughly mixed prior to placement and filled to within 1 1/2" of the top edge of the splash block. The soil in the medians shall be graded to a level surface B. Parkways shall be toughly cultivated 8" deep breaking up all clods to 1" largest dimension or less. Compost shall be applied at 3cubic yards per 1000 square feet and toughly mixed in to the top 8" of the parkway soil. 3.04 FINE GRADING When weeding, soil preparation, and soil conditioning have been completed and soil has been thoroughly water settled, all planting areas should be smooth -graded, ready for placement of plant materials. A. Grades: Finish grades shall conform to site grading plans and produce a smooth even surface without abrupt changes. Minor adjustments of finish grades shall be made at the direction of the Owner's Representative, if required. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 17 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 B. Drainage: All grades shall provide for natural runoff of water without low spots or pockets. Flow -line grades shall be accurately set and shall not be less than 2% gradient wherever possible. C. Shrub Areas: Finished grades shall be 1-1/2" below top of adjacent pavement, edging, curbs, or wall, unless otherwise indicated on the Drawings. D. Slopes: Tops and toes of all slopes shall be rounded to produce a gradual and natural -appearing transition between relatively level areas and slopes. 3.05 GROUND COVER, ANNUAL AND PERENNIAL BEDS Excavate areas to be planted with material smaller than 1-gallon size to a depth of six (8") inches and backfill with the following mix. 1. 80% on -site topsoil by volume (from Owner's stockpile). 2. 20% peat moss by volume. 3. Five (5) pounds bone meal per cubic yard of backfill. The specified backfill materials shall be pre- mixed, then turned several times with a front end loader to a uniform, evenly blended consistency, free of all pockets of unblended material and any clods or stones greater than one (1 ") inch in diameter. Pre -mixed back -fill mix shall be inspected per 1.06A, "Pre -Planting Inspections." 3.06 SHRUB AND TREE PLANTING A. Planting Pits: 1. Locate planting holes per planting plans bringing any conflict with underground utility lines to the attention of the Owner's Representative. Locations for holes shall be according to 1.06B, "Planting Inspections." 2. Excavate holes to be the same depth as the root ball and two times the diameter of the root ball wide. 3. The sides of the holes shall be roughened to remove any compacting or "glazing" caused by the digging operation. The bottom of the hole shall be loosened to a minimum depth of six (6") inches. Mix loosened soil with specified backfill to blend soil types. 4. Fill a random sample of holes with water as directed the City Forester and allow to drain completely. Contractor should notify City Forester if a pit does not drain in a satisfactory time, then contractor should correct drainage problem by using a PVC drain or a gravel sump shall be installed. 5. Dispose of excavated soil off the site at no cost to the Owner. B. Backfilling - Tree and shrub planting pits shall be backfilled with the following mix: 1. 75% on -site topsoil by volume (from Owner's stockpile) thoroughly mixed with 25% compost (2.02 A + B). C. Planting 1. General - Do not install plant materials until all construction work has been completed and sprinkler systems have been installed and tested. Planting areas shall have been graded and prepared as herein specified and shall have been approved by the Landscape Architect. 2. Carefully remove stock from containers to avoid breaking the root ball. Do not lift or handle container plants by tops, stems, or trunks at any time. 3. Fertilize trees and shrubs by placing 21 gram fertilizer tablets three (3") inches laterally and three (3") inches top of root ball as follows: 1 for 1-gallon containers, 3 for 5-gallon containers and 5 for balled and burlapped material. 4. Remove wire baskets from root balls. Untie and lay back burlap from root ball on balled and burlapped material. 5. Backfill entire hole with backfill mixture to grade and water thoroughly to eliminate all air pockets P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 18 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 without packing the soil. Allow soil to settle from watering. Add backfill mixture as required. 6. Flatgrown plant material - Install plants at spacing indicated on the drawings. Plant in staggered rows, evenly spaced. Dig holes large enough to allow for spreading of roots. Place plants to root system lies free without doubling. Firm soil around roots to eliminate air pockets. Broadcast controlled release fertilizer over the entire planting area at the rate of 20 pounds per 1000 square feet of area. 3.07 MULCHING A. All planting beds, medians and parkway tree with 4' diameter grass free tree ring shall be mulched with a four (4") inch layer of cedar mulch. 3.08 TREE STAKING AND GUYING A. Double stake all trees. Set stakes in line with median or parkway. Leave straps loose enough to allow a minimum of 3" lateral movement. 3.09 SEEDING NEW LANDSCAPE A. Submit in accordance with the Federal Seed Act, seed vendor's certified statement for each grass seed mixture required, stating botanical and common name, percentage by weight, and percentage of purity, germination and weed seed for each grass seed species. B. Prior to turf construction assure irrigation system is fully operational and properly adjusted. C. Perform seeding work only at seasonal times, which will provide optimum growing conditions. Do not seed after September 15 nor before all frost is out of the ground. D. Seeding New Lawns 1. Seed shall be spread evenly at the rate of (specify rate/5-7 lbs for Blue, P. Rye, Fine Fescue- 7-9 lbs for tall Fescue.), when winds are calm, using a Brillion seeder or approve equal. If hydro mulch is specified, seed shall be applied separately, not mixed in the mulch. 2. Seed mulch shall consist of and applied at the rate of (To Be Determined At Time Of Seeding) per 1000 ft. sq. Mulch shall be irrigated to settle and reduce blowing on the same day as it was applied. 3. Do not use wet seed or seed that is moldy or otherwise damaged in transit or storage. 4. Sow lawn grass seed using mechanical drill type (Brillion) seeding machine for slopes 4:1 and flatter and for slopes steeper than 4:1 sow seed with hydroseeder. Distribute seed evenly over entire area by sowing equal quantity in two directions at right angles to each other. 5. If hydro mulch is required, apply seeds separately, mulch. Do not mix seed with mulch. 6. Sow native grass seed areas using hydraulic seeding equipment suited to conditions and capable of uniform sowing of seed and coverage of mulch. 7. For areas inaccessible to seeding machine or if its use is not required, rake seed lightly into top 0.125" of soil, roll lightly, and water with a fine spray. Cover with approximately 0.5" layer of peat mulch. 8. Protect against erosion by spreading specified lawn mulch hydraulically at rate of not less than 46 lbs. per 100 sq. ft. Apply within 24 hours of seeding. 9. Protect seeded slopes (greater than 2:1 vertical) against erosion with erosion control fabric or other methods acceptable to the Owner's/Representative. Secure netting with staples. 10. Install erosion control fabric around rotary pop-up heads in seeded areas in a 4'x4' square centered on. each head. Pin or staple securely at corners. 11. Drill seeding (Brillion) is recommended if accessible. Slopes can be hydroseeded. Hydromulch: Wood cellulose fiber, dyed green, should be applied at 1500-2500#/Acre with organic tackifier (Alpha Plantago) at 150-200#/Acre or Conwed "Hydro -Mulch 2000 Fiber" at same rate. Material rates should be adjusted according to slope and erosion conditions. Hose work may be required in narrow P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 19 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 areas, where there is a lot of landscape or seeding is adjacent to building. 3.10 TWO GROWING SEASON MAINTENANCE PERIOD A. Continuously maintain all plantings in areas included in the Contract from the beginning of Contract work, during the progress of work, and for two (2) full growing seasons after pre maintenance inspection until final approval of all Contract work by the Owner. B. Scope: 1. New plantings. 2. Existing plantings within the construction area. 3. Continuous operations of watering, weeding, cultivating, mowing, trimming, edging, rolling, fertilizing, spraying, insect, pest, fungus, and rodent control, and any other operations to assure good normal health, and attractive well maintained appearance. Weed Control: a. Apply appropriate herbicide(s) in accordance with manufacturer's suggested retail rate(s) to control weeds. Herbicide application must comply with all requirements herbicide/pesticide applicators license, including suitable warning/signing following application. Herbicide applications and chemicals to be used will be approved by the City Forester. Extreme caution must be used when applying herbicides near any tree, shrub or groundcover. b. Disease and Insect Control: Apply fungicides and insecticides as required to control diseases and insects. A licensed applicator must perform this work in accordance with state law requirements. c. Watering: Contractor shall be responsible for watering of landscape areas to insure performance under this Section. Apply the amount of water necessary to maintain plants in a healthy condition until the end of the two year warranty period. d. Protection: i) Provide sufficient barriers and signage notifying the public to keep off newly planted areas. ii) Work under this Section shall include complete responsibility for maintaining adequate protection for all areas. Any damaged areas shall be repaired at no additional expense to the Owner. 4. Mow grass in sodded areas to maintain 2-to 3-inch height until final acceptance of project and turnover to City. Mow at a frequency that removes less than 1/3 the length of grass blade at any one mowing. 5. Apply custom blend of fertilizer in split applications in early fall and late spring. Two-thirds of the nitrogen should be applied in the fall and one-third in the spring. 6. Planting Bed and Mulch Surface Maintenance Requirements a. Mulch all tree plantings four inches deep with cedar mulch, unless otherwise indicated on the Drawings. Adding mulch during maintenance period as directed by the city Forester. b. Remove all weed growth on a monthly basis, including those growing in cracks and curbs. 7. Maintenance for Trees and Shrubs a. Water all trees and shrubs to insure optimal growth and establishment during the two growing season maintenance period as required by this Section. New trees should receive two inches per week of irrigation during the first growing season applied over the root system. Normal turf irrigation is generally adequate (one inch per week) for the second growing season. Irrigation rates should be adequate for new trees' establishment even when that is greater than water demand for turf. It is the contractor's duty to determine and supply the water needs of trees and shrubs. b. Inspect new plantings on a regular basis. c. Remove tree wrap the next spring season after planting. d. Re -mulch trees on an annual basis to maintain a four -inch deep mulch cover. Maintain tree rings in turf zones as weed and grass free. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 20 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 e. Insect and disease levels shall be monitored and control measured implemented when necessary following IPM practices. Check with Assistant City Forester prior to implementing any control measures. f Remove all tree stakes and guy wires from trees after the first full year of maintenance. g. Fertilizing: In addition to fertilizing of trees, shrubs, ground covers, and lawns herein specified, furnish and apply any additional fertilizers necessary to maintain plantings in a healthy, green, vigorous growing condition during the maintenance period. Do not over apply fertilizer. 8. Inspection: a. The Contractor shall notify the Owner's Representative prior to fertilizing, and spraying operations. b. The Owner's Representative shall perform periodic inspections during the growing season of the site with the Contractor to determine that maintenance is sufficient to insure a healthy condition of the landscape work. A final inspection will be held at the end of the two growing season maintenance period. c. The Landscape Contractor shall be available to meet on site with the Owner's Representative at any time within 24 hours notice during the construction, establishment, or maintenance period. d. Replacements: Immediately replace any plant materials that die or are damaged. Lawns that do not grow shall be resodded. Replacements shall be made to the Specifications as required for original plantings. 3.11 CLEAN UP A. Remove all cans, surplus materials, and other debris from site. Neatly dress and finish all planting areas. Flush walks, paved areas, and the like, clean to the satisfaction of the Owner's Representative. If needed storm drain inlets will be cleaned from debris flushed into the system from cleaning of the constructed area. B. Rinse foliage of all plant materials within the construction area as often as necessary to keep the foliage free from dust generated by the work of this contract. END OF PART 3 — EXECUTION END OF PLANTING P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 21 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 ZIEGLER ROAD AND KECHTER ROAD ROUNDABOUT PROJECT The Colorado Division of Highways "Standard Specifications for Road and Bridge Construction" (2005), except as revised herein, is hereby adopted as a minimum standard of compliance for this project. The City of Fort Collins Storm Drainage Construction Standards, City of Fort Collins Water Utilities Standard Construction Specifications, Larimer County Urban Area Street Standards, the Fort Collins — Loveland Water District and South Fort Collins Sanitation District Standards, and City of Fort Collins Work Area Traffic Control Handbook, shall also serve as minimum standards of compliance for this project. They are not included in the contract documents, but may be obtained at the appropriate City Departments. It shall be the Contractor's responsibility to purchase and familiarize themselves with all of the City Department Specifications. These project specifications, City Department specifications, and CDOT standard specifications are considered minimum standards for compliance on this project. In those instances where the CDOT Standard Specifications conflict with the City specifications listed above, the City specifications shall govern. In those instances where the CDOT Standard Specifications conflict with any of the provisions of the preceding Sections 00001 through 01750, General Requirements, the preceding sections shall govern. PROJECT CONSTRUCTION SPECIFICATIONS INDEX OF REVISIONS SECTION PAGE 102 COST PLUS TIME BIDDING..................................................................................Technical Specs 3 202 REMOVALS...............................................................................................................Technical Specs 4-6 203 EXCAVATION AND EMBANKMENT...................................................................Technical Specs 7-9 208 EROSION CONTROL..............................................................................................Technical Specs 10 210 RESET STRUCTURES..............................................................................................Technical Specs 11 - 13 304 AGGREGATE BASE COURSE................................................................................Technical Specs 14 306 RECONDITIONING..................................................................................................Technical Specs 15 307 FLY ASH SUBGRADE STABILIZATION...............................................................Technical Specs 16 - 19 401 PLANT MIX PAVEMENTS - GENERAL................................................................Technical Specs 20 - 25 403 HOT BITUMINOUS PAVEMENT...........................................................................Technical Specs 26 — 29 412 PORTLAND CEMENT CONCRETE PAVEMENT .................................................Technical Specs 30 - 31 506 RIPRAP.....................................................................................................................Technical Specs 32 - 33 603 CULVERTS AND SEWERS.....................................................................................Technical Specs 34 604 MANHOLES, INLETS AND METER VAULTS......................................................Technical Specs 35 - 36 607 FENCES....................................................................................................................Technical Specs 37 608 SIDEWALKS AND DECORATIVE CROSSWALKS ..............................................Technical Specs 38 - 39 P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - I Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 609 CURB AND GUTTER...............................................................................................Technical Specs 40 619 WATER LINES.........................................................................................................Technical Specs 41 - 42 630 TRAFFIC CONTROL DEVICES (Contractor Supplied)........................................Technical Specs 43 - 46 REVISION OF SECTION 102 COST PLUS TIME BIDDING (A+B) P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Does\Construction Specs\Technical Specs Technical Specs - 2 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Section 102 of the Standard. Specifications is hereby revised for this project as follows: Add subsection 102.11 as follows: 102.11 Cost Plus Time Bidding (A + B). A special bidding procedure will be used to determine the successful bidder for this project. This procedure takes into account the price offerings from the bidder and the time the bidder intends to take to substantially complete the work. The work is substantially complete when: (1) all work requiring lane or shoulder closures or other traffic obstructions is complete; (2) traffic is following the lane arrangement shown on the plans for the finished roadway; (3) all pavement construction, joint sealing, and shoulder embankment is complete; (4) traffic control devices and pavement markings are in their final positions; (5) all pedestrian sidewalks and decorative crosswalks within the right-of-way are completed; and (6) all median work (hardscaping, topsoil and fabric) is completed. Work that does not conform to the Contract will not be accepted as substantially complete. Acceptance of the work as substantially complete will be determined in accordance with subsection 105.16(b). (a) Preparation of Proposal. The bidder shall establish the number of calendar days that will be required to substantially complete the work. The calendar day number shall be included in the bid proposal. This calendar day number multiplied by the daily cost shall be added to the total amount bid for the work items. The sum of these two amounts will be used to determine the lowest successful bidder according to the following formula: A + B x (the daily cost) = Contractor's bid for evaluation of the lowest successful bidder Where: A = Contractor's total bid for the work items B = Number of Calendar days required to substantially complete the work. Daily cost for this project = $2,072.00 The above formula will be used solely for the purpose of determining the lowest successful bidder and will have no effect on the actual total bid cost for completing the work. (b) Early Completion of the Work Incentive. If the Contractor substantially completes the work in less than the total number of days bid, an incentive will be paid to the Contractor. This incentive (I) will equal the number of calendar days bid (B) minus the actual number of calendar days required to substantially complete the work (C) multiplied by the daily cost. I = (B — C) x (the daily cost) The maximum incentive is limited to five percent of the Contractor's total bid for the work items (0.05 x A). (c) Late Completion of the Work Disincentive. If the number of calendar days required to substantially complete the work is in excess of the total number of calendar days bid, a disincentive will be deducted from payments made to the Contractor. This disincentive (D) will equal the actual number of calendar days required to substantially complete the work (C) minus the number of calendar days bid (B) multiplied by the daily cost. D = (C — B) x (the daily cost) END OF SECTION REVISION OF SECTION 202 REMOVALS P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction SpecsUechnical Specs Technical Specs - 3 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Section 202 of the Standard Specifications is hereby revised for this project as follows: Subsection 202.01 is revised to include the following: The Contractor shall remove and dispose of all concrete sidewalk, curb and gutter, crosspans, driveways, inlets, irrigation structures, pipe, structures, asphalt, fence, trees, retaining walls and any other obstructions that are designated for removal by the Engineer. All such removals will be measured in the field, and quantities agreed to by the Contractor and the Engineer. Subsection 202.02 is revised to include the following: Remove Pip (RCP, CMP, PVC) - The Contractor shall remove all (clay tile, concrete, PVC, ductile, corrugated metal, steel) pipes according to the construction drawings or as directed by the Engineer. All trenches will be backfilled to City of Fort Collins specifications to 95% compaction. All areas must be graded according to Engineers direction and all pipe removed is to be the property of the Contractor. Remove Concrete Irrigation Structures and Inlet - The Contractor shall remove the concrete irrigation devices indicated on the plans and the drainage inlet indicated in the proposed roundabout curb area. All labor equipment, material, disposal and compaction of the excavated area to 95% must be included in the price. Remove Concrete Headwalls — The existing irrigation ditch has a field entrance in the removal area. The Contractor shall include all labor, equipment and material in the cost of the removal of the north and south concrete headwalls and the excavation necessary to complete the work. The pipe will be paid for in its own unit. Pulverize Concrete Intersection (In Place) — The equipment used shall be a drop hammer with 1,000 -8,000 foot pounds of energy with cycle rate of 30-35 impacts per minute, self propelled or pulled behind a tractor. A "Rubblizing or Reclaimer" will be used or an equal method approved by the City of Fort Collins. The intent of this method is to allow fill to be placed on the broken concrete as a sub -grade. All labor, equipment, supervision and mobilization shall be included in the cost of this unit. Remove Pulverized Concrete (located under landscaped median) — The removal area is enclosed in the planted area of the center roundabout median (approximately 277 SY) or as directed by the Engineer. All equipment, labor, staking, disposal and supervision must be included in the cost. The material will become the property of the Contractor. Remove Sidewalk Chase and Concrete Run-down — This work includes: removing the sidewalk chase and concrete run-down according to the plans, the backfrll and 90% compaction, and the disposal of the materials. Any damage to the existing fence shall be repaired by the Contractor at own expense to equal or better condition. Remove Asphalt Pavement Full Depth (Approximately 7" —10") and Stockpile— The intent is to remove the asphalt and leave it in place for traffic to drive on, then transfer to a stockpile area designated by the City of Fort Collins. The material will then be used in the sub -grade in the roundabout combined with additional road base imported to obtain the proposed sub -grade elevations. Remove and Replace Existing Wood Fence — The Contractor shall use extreme care when removing and replacing the wood fence for the stormwater features to be installed. Any damage to the brick pillars or wooden fencing will be replaced by the Contractor at his or her own expense to equal or better condition. Clean Culvert — The Contractor shall include all labor and equipment necessary to clean the sediment out of the existing irrigation pipe in Ziegler Road marked for removal. The existing 29" x 45" HERCP will NOT be removed, but cleaned and joints grouted where needed and used in the design to transfer irrigation water into the plan set irrigation system. Cap Existing Irrigation System— The Contractor will dig and locate wires labeling each wire and cutting the pipe and capping it. The Contractor will be responsible for marking the end of all capped lines and wires. The Contractor will place a reference stake that will be protected through construction and provide information to the landscape Contractor. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Does\Construction Specs\Technical Specs Technical Specs - 4 Ziegler Road / Kechter Road Roundabout Project SECTION 01010 SUMMARY OF WORK 1.1 DESCRIPTION OF WORK A.The Work shall consist of the construction of the outlined improvements: PROPOSAL NO. Date: March 8, 2006 1. Improvements for widening Ziegler Road from Shallow Pond Drive north to Kechter Road (approximately 600 linear feet) and constructing a concrete one -lane roundabout at the intersection of Ziegler Road and Kechter Road. Construction of a 24" FCLWD watermain from Kechter road to Trilby Road. Zie¢ler Road from Shallow Pond north 600 feet: The construction of this project includes the widening of Ziegler Road, North of Shallow Pond Drive to minor arterial width with curb and gutter, bike lanes and sidewalk. The improvements will include the widening and reconstruction of Ziegler Road, vertical curb and gutter, detached sidewalk on the east side of Ziegler Road, new irrigation pipe and splitter boxes, and bike lanes. Ziegler Road and Kechter Road Roundabout: The scope of this work consists of pulverizing the existing concrete intersection (10" thickness) and replacing it with a 130 foot conventional roundabout. This project must be constructed under traffic using a bi-directional closure which results into two construction phases: • Phase I: Constructing the South half of the Roundabout This portion of the project will be available for construction starting June 1, 2006. The construction will include: The entire east half of the intersection (curb and gutter, sidewalk, bikelanes, concrete pavement, decorative concrete truck ramps, enhanced colored concrete crosswalks, asphalt removal and paving, medians, storm sewer improvements, 24" FCLWD waterline installation, and landscaping improvements that would effect traffic operations. • Phase II: Constructing the North half of the Roundabout This portion of the project must be substantially complete by September 1, 2006. The construction will include: The west half of the intersection (curb and gutter, sidewalk, bikelanes, concrete pavement, decorative concrete` truck ramps, enhanced colored concrete crosswalks, asphalt removal and paving, medians, storm sewer improvements, and landscaping improvements that would effect traffic operations. • NOTE: This project is a Cost Plus Time (A + B) bid due to the constricted time frames and the scope of the project. B. Protection and Restoration. 1. Replace to equal or better conditions all items removed and replaced or damaged during P:\Street Ovesizing0egler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 2 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 The Contractor Shall remove and dispose of all concrete sidewalk, curb and gutter, cross pans, driveways, inlets, irrigation structures, pipe, structures, asphalt, fence, trees, retaining walls and any other obstructions that are designated for removal by the Engineer. All such removals will be measured in the field and quantities agreed to by the Contractor and the Engineer. Prior to removal, concrete and/or asphalt shall be saw cut full depth to a clean and straight vertical line. Pieces of concrete which, due to the Contractor's operations, crack or break beyond the limits of construction shall be saw -cut, or removed to the nearest joint, and removed and replaced at the Contractor's expense. The limit of the repair will be determined by the Engineer. The initial saw cutting to remove existing concrete and/or asphalt shall be considered incidental to the work and shall not be paid for separately under this item. Removal of concrete, asphalt and/or obstructions as described in section 202.01 beyond the limits designated b y the Engineer will be the responsibility of the Contractor and will not be paid for under this section. Disposal Site - Materials designated for removal shall become property of the Contractor, unless noted in the specifications or specified by the Engineer to be salvaged or stockpiled. It shall be the Contractor's responsibility to obtain disposal sites for all unusable material, which is removed. Subsection 202.12 is revised to include the following: The Contractor and the Engineer shall field measure and agree upon the quantity to be removed before the work commences. Should the Contractor fail to request the Engineer to measure any work, the Contractor shall not be compensated for materials that were not measured by the Engineer. Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by (). 202-01 Remove Pipe (RCP, CMP, PVC) — (LF) 202-02 Remove Concrete Irrigation Structures and Inlet — (EA) 202-03 Remove Concrete Headwalls — (EA) 202-04 Remove Concrete Irrigation Ditch — (LF) 202-05 Pulverize Concrete Intersection (In Place) — (SY) 202-06 Remove Pulverized Concrete (located under landscaped center median) — (SY) 202-07 Remove Vertical Curb and Gutter— (LF) 202-08 Remove Concrete Radius and Spandrels — (SF) 202-09 Remove Sidewalk —(SF) 202-10 Remove Sidewalk Chase and Concrete Run -Down — (LS) 202-11 Rotomill Asphalt Pavement— Full Depth (Approximately 7" — 10") and Stockpile — (SY) 202-12 Rotomill Asphalt Pavement (2" Depth) — (SY) 202-13 Saw Cut Asphalt or Concrete— (LF) 202-14 Remove 19" x 30" HERCP FES — (EA) P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 5 Ziegler Road / KechterRoad Roundabout Project 202-15 Remove Rip Rap— (SY) 202-16 Remove Barbed Wire Fence — (LF) 202-17 Remove and Replace Existing Wood Fence — (EA) 202-18 Clean Culvert — (EA) 202-19 Remove and Relocate Gate Posts — (LS) 202-20 Remove Existing Trees, Shrubs, and Landscape Treatment — (LS) Date: April 10, 2006 202-21 Rotomill 2" Asphalt from Ziegler Rd centerline Sta. 36+46 to 44+97 (existing seam to lip of gutter) — (SY) 202-22 Removal of Asphalt prior to installation of waterline from Ziegler Rd centerline Sta. 44+97 to 50+50 —(TON) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment and incidentals and for doing all work involved in removals and rotomilling, including excavation, backfill, haul and disposal, as specified in these specifications, and as directed by the Engineer. All saw cutting involved in removing the necessary items in order to complete the Work shall be considered incidental to the Work and will not be paid for separately. END OF SECTION REVISION OF SECTION 203 EXCAVATION AND EMBANKMENT Section 203 of the Standard Specifications is hereby revised as follows: Subsection 203.01 is revised to include the following: Clear and Grub — This work will consist of removing topsoil and concrete debris in the existing irrigation ditches, and weeds from rip rap areas that can not be accessed by a motor grader. Along with all various steel posts and trash in the planned construction area. Unclassified Excavation - This shall consist of excavation of all materials on the site to final grades, excluding the bid items listed in Section 202. Excavation of unsuitable material will only be paid for if it is found to be unsuitable in its original state. This item shall be measured from the plans and cross sections, and will be paid for by the cubic yard. This item shall be paid according to plan quantity. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 6 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Embankment (Complete in Place) - All excavated material, except the material being hauled and disposed, shall be placed as embankment and compacted, to final grades, as specified in Section 203.07. The embankment quantity was not adjusted to allow for shrinkage during compaction. This item will be measured from the plans and cross sections and will be paid for by the cubic yard. This item will be paid according to plan quantity. Muck Excavation (Complete in Place) - This shall include excavation of unsuitable material, supplying and placing Class 1 or 2 Structural Backfrll, Pit Run or an approved fill, re -compacting material to finish grade, and haul and disposal of unsuitable material. NOTE. Muck -excavation of material from rain or weather damage or dewatering pump failure will not be paid for and is entirely the Contractor's responsibility. This item shall be measured in the field, and will be paid for by the cubic yard. Borrow - ABC (Class 5 or 6) - (Complete in Place) - This shall include supplying, placing, and compacting aggregate base course as directed by the Engineer. This item will be measured in the field and paid for by the ton. This item will not be paid for as Embankment. Borrow material will only be used for fill if there is a shortage of suitable material onsite and/or as directed by the Engineer and may be used under sidewalks. Borrow Suitable Fill Material — The Contractor will supply a source of material that will be acceptable to the geotechnical testing fine that will be placed in the roadway or parkway in case of a shortage of on site fill material. Topsoil - (Stripping, Stockpiling, Placing) 6" Depth — All areas that have suitable topsoil material shall be stripped to a depth of 6 inches. This material shall be stockpiled and placed after the final grades have been established. This item shall include stripping existing vegetation, temporarily stockpiling, loading, hauling, and placing topsoil material for back of walk and curb areas, and other designated areas. This item shall be paid according to plan quantity. Topsoil — Import Planting Area @ Center Median of the Roundabout — This work shall consist of supplying topsoil suitable to plant landscape items. The material must be approved by the City of Fort Collins Parks Department. All labor, equipment, and material used to construct this item shall be included in the price of the unit. Median Hardscape Shaping (Complete in Place) — The areas in the medians beneath the exposed aggregate concrete shall be backfilled with suitable onsite material approved by the Engineer. These areas shall be backfilled in lifts not to exceed six inches (6") and compacted with a plate compactor or as directed by the Engineer. This item will not be paid for as Embankment. This item will be measured in the field and will be paid for by the square foot. Potholing — The Contractor shall be responsible for locating electrical, gas, fiber optic, cable, telephone, traffic signal conduit and other existing utility lines and shall be performed every 100 lineal feet or as deemed necessary by the Contractor. All related work, including excavation, backfilling, shoring, labor and number of hours will not be measured and paid for separately, but shall be included in the work. Repair of damaged existing utility lines caused by the Contractor will be at the Contractor's expense. • Potholing will be paid as a lump sum item. Flowfill Section Over Shallow Utilities — This work shall consist of the removal of soil above an existing utility, after subgrade elevation has been achieved, one foot (F) deep and three feet (3') wide. This excavated area that can not be treated with flyash, will be filled with flowable fill to the top of subgade to protect the existing utility. All related work, material and equipment will not be measured and paid for separately, but shall be included in the work. This work shall be measured and paid for by the linear foot. Import Screened Topsoil (3") — Parkway Areas — This shall include supplying, hauling, placing, and grading screened topsoil between the new curb and gutter and sidewalk, and/or as directed by the Engineer of this project. This material shall be placed and graded on the surface for the future seeding and landscaping (by others). This item will be measured in the field and paid for by the cubic yard. This item will not be paid for as Embankment. Transport and Compact in Place Reclaimed Asphalt from Stockpile — This shall include the labor, equipment, watering, rolling or compaction needed to transport from the stockpile location and then install the reclaimed base to a P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 7 Ziegler Road / KechterRoad Roundabout Project _ Date: April 10, 2006 95% compaction under the proposed concrete pavement area. These items will not be paid separately under items in section 202, 210, 603, or 604 Embankment and sub -grade material shall be compacted to 95% of maximum density at +/- 2% optimum moisture. Maximum density shall be determined by ASTM D 698. This will apply under the roadway, curb and gutter, sidewalk, and driveways. Topsoil shall be compacted to 85% of maximum density at/or near optimum moisture. Excavation and Embankment will only be paid when a significant change in grade is required, as determined by the Engineer. Minor cuts and fills shall be considered incidental to the work, and shall not be paid separately under this section. If unsuitable sub -grade is encountered and the Engineer directs the Contractor to over excavate the material, the Contractor shall use Aggregate Base Courses (Class 5 or 6), Class 1 or 2 Structural Backfill, Pit Run or an approved fill to backfill the over excavated area if there is not any acceptable material onsite. This Work will not be paid for separately but will be paid under the Muck Excavation item. The proposed material shall meet the following minimum requirements: LL Maximum: 30 PI Maximum: 6 "R" Value Minimum: 78 The minimum strength coefficient of the Aggregate Base Coarse shall be 0.11. After specified compaction has been obtained, the sub -grade under the curb, gutter, sidewalk, and pavement shall be proof -rolled with a heavily loaded rubber tired roller, fully loaded water truck, or approved equal. Those areas which produce a rut depth of over one-half (1/2) inch or which crack the sub -grade after pumping and rebounding shall be ripped, scarified, wetted or dried if necessary, and re -compacted to the requirements for density and moisture at the Contractor's expense. Where unsuitable material is encountered, the Engineer may require the Contractor to remove the unsuitable materials and backfill to the finished grade with approved material. The completed sub -grade shall be proof -rolled again after placement of approved material. This will be paid for at the contract unit price for Muck Excavation. The Contractor shall refer to the plans for re -grading information. This work shall include all excavation, embankment, and grading required to prepare these sites for landscaping. Subsection 203.04 is revised to include the following: The excavations and embankments shall be finished to smooth and uniform surfaces conforming to the typical sections specified. Variation from the sub -grade plan elevations specified shall not be more than 0.08 feet. Subsection 203.13 is revised to include the following: Payment will be made under: Pay Item and Pam The pay unit is denoted by O. 203-01 Clearing and Grubbing — (LS) 203-02 Remove Existing Sod — (SF) 203-03 Unclassified Excavation— (CY) P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 8 Ziegler Road / KechterRoad Roundabout Project 203-04 Embankment—(CY) 203-05 Muck Excavation (CIP) - (CY) 203-06 Borrow ABC (Cl 5 or 6) — (TON) 203-07 Borrow Suitable Fill Material — (CY) 203-08 Topsoil —(Stripping & Stockpiling) — 6" Depth — (CY) 203-09 Topsoil Placement in Planting Area @ Center Median of the Roundabout— (CY) 203-10 Topsoil Placement @ Back of Walk to Easement Lines — (CY) 203-11 Median Hardscape Shaping - CIP — (SF) 203-12 Potholing — (LS) 203-13 Import Screened Topsoil (3") in Parkway Areas — (CY) 203-14 Transport and Compact in Place Reclaimed Asphalt from Stockpile — (SY) 203-15 Swale Grading/Shaping/Blue Tops — (LF) Date: April 10, 2006 203-16 Remove/Replace Unsuitable trench backfill (Sta. 36+96 to 45+06) assuming 3' depth x 2' width— (CY) 203-17 Remove/Replace Unsuitable trench backfill (Sta. 45+06 to 56+51) assuming 3' depth x 2' width— (CY) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all work involved in Unclassified Excavation, Embankment, Haul & Dispose, Topsoil (stripping, stockpiling, placing), Muck Excavation, Borrow ABC and Median Hardscape Shaping, including without limitation, haul, stockpiling, placing of material, watering or drying soil, compaction, proof rolling, finish grading, and disposal of unusable materials, as shown on the plans and as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction SpecATechnical Specs Technical Specs - 9 Ziegler Road / KechterRoad Roundabout Project REVISION OF SECTION 208 EROSION CONTROL Section 208 of the Standard Specifications is hereby revised as follows: Subsection 208.05 is revised to include the following: Date: April 10, 2006 All Erosion Control Devices, Materials, and Techniques required to prevent damage to the storm water facilities as outlined in the City of Fort Collins Standards will be considered incidental to the work, and shall be included in the price. No measurement for payment shall be made for maintenance of Erosion Control devices. This item will be paid for as a lump sum price to the Contractor. Subsection 208.07 is revised to include the following: The accepted quantities will be paid for at the contract unit price. Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by O. 208-01 Erosion Control — (LS) P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 10 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all work involved in installing and maintaining erosion control, complete-jn-place, as specified in these specifications, and as directed by the Engineer. END OF SECTION REVISION OF SECTION 210 RESETSTRUCTURES Section 210 of the Standard Specifications is hereby revised as follows Subsection 210.10 is revised to include the following: Work contained in this Subsection shall meet the requirements of the current City of Fort Collins and Fort Collins - Loveland Water District Utilities Standard Construction Specifications or other applicable water utility agency standard construction specifications. The Contractor shall cooperate and coordinate with the City Water Utilities Department, Fort Collins -Loveland Water District and South Fort Collins Sanitation District or other applicable water utility when shutting off water to minimize downtime to customers. The Contractor shall also coordinate work involving the relocation of fire hydrants, water meters, curb stops, and water valves, and lowering water and sewer service lines, and water lines. The Contractor shall supply all materials required to complete the work that is not supplied by the City or other applicable water utility, and these materials shall be included in the costs of each item. This shall include, but not be limited to; new copper line and fittings, new stop boxes, meter pits, excavation, backfill and compaction. New copper fittings, stop boxes, and meter pits will be required at each location. All structures located in bituminous pavements to be surfaced shall be adjusted prior to, or during paving operations. All structures located within a concrete pavement shall be adjusted prior to pouring the concrete pavement section. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 11 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 The Contractor shall perform all work needed to ensure that said structures can be readily adjusted and shall have all necessary materials on hand prior to commencing the work. The adjustments shall be made as noted below. All structures shall be adjusted to be %", (+/-) ''/8" below the pavement surface. The Contractor shall be responsible for immediately cleaning out all construction materials that may fall into manholes, valve boxes, or other structures during the construction process. In the event that a structure was not properly adjusted (i.e. too high or too low) or the structure was covered and not adjusted after the paving operation, written notice will be given by the Engineer to the Contractor requiring the Contractor to make the necessary adjustments within 5 working days. In the event that the structure is not adjusted within said time frame; the Engineer shall have the right to engage a third party to complete the work, and to withhold the cost of such work from payments due the Contractor. If a structure is adjusted prior to an overlay operation, the Contractor shall place bituminous base material around the structure as directed by the Engineer to insure that it will not be a hazard to vehicular traffic. This will be paid for under the bid item for Asphalt Patching. Adjust Manhole Ring/Cover — Manholes located within existing asphalt pavement shall be adjusted by removing an area of pavement with a minimum diameter one foot (1') larger than the structure (centered on the structure). This shall be done by cutting vertical edges, adjusting the manhole by grouting concrete rings and/or utilizing metal shims to raise the structure to the proper grade, then spreading and mechanically compacting bituminous material of the same grade and quality as the adjacent pavement. NOTE: All manholes shall be raised through the ton life When the manhole adjustment is complete, the slope of the top surface of the manhole cover shall match the slope of the pavement in both the longitudinal and traverse directions. Any manhole cover which is unstable or noisy under traffic shall be replaced. This item will be paid under Adjust Manhole Ring/Cover— (EA). Modify Manhole - Manholes located within existing asphalt pavement or sub -grade shall be adjusted by removing an area of pavement or sub -grade with a minimum diameter two foot (T) larger than the structure (centered on the structure). All OSHA shoring is the responsibility of the Contractor. This shall be done by cutting vertical edges in the pavement, if required, and excavating below the ground surface to the required barrel seam needed to start the adjustment. The cone section shall be removed and additional sections added or removed to obtain the plan finished elevation. All manhole sections shall be cleaned and an approved gasket material applied prior to reassembly. This work shall be done in accordance with the City of Fort Collins Standard Construction Specification and/or the South Fort Collins Sanitation District Specifications for Sewer Mains. The excavation shall be backfilled with on -site material and shall be mechanically compacted or Flowable Fill used if directed by the Engineer. This item will be paid under Modify Manhole — (EA). Flowable Fill will be paid under Section 608. Adjust Valve Box — Valve boxes located within asphalt pavement shall be adjusted by removing the existing pavement around the valve box, adjusting the valve by turning it to the proper grade, trimming the existing asphalt by cutting vertical edges, then spreading and mechanically compacting bituminous material of the same grade and quality as the adjacent pavement. If a valve box cannot be turned up, or can be turned up, but not sufficiently to achieve the proper grade or if the top section of the valve box is in poor condition, the Contractor shall excavate around the top section of the valve box and remove and replace the top section with a longer section supplied by the Contractor. The excavation shall then be back filled with Non -Shrink flowfill to the top of sub -grade, and then, material of the same grade and quality as the adjacent pavement shall be placed. The Contractor shall exercise reasonable care while attempting to adjust the valve boxes. If, in the opinion of the Engineer, the Contractor is negligent and breaks the valve box, the valve box shall be replaced at the Contractor's expense. This item will be paid under Adjust Valve Box — (EA). P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 12 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Modify Valve Box — Valve boxes located within existing asphalt pavement or sub -grade shall be adjusted by removing an area of pavement or sub -grade with a minimum diameter of two foot (2') larger than the structure (centered on the structure). This shall be done by cutting vertical edges in the pavement, if required, and excavating below the ground surface to the valve box section needed to start the adjustment. The top section shall be removed and additional sections added or removed to obtain the planned finished elevation. All valve box sections shall be done in accordance with the City of Fort Collins Standard Construction Specifications and / or the City of Fort Collins — Loveland Water District Specifications for water mains. The excavation shall be flowfrlled. This item will be paid for under modify valve box — (EA). Flowable fill will be paid for under section 608. Adjust Existing Fire Hydrant to Proposed Grade — This work consists of placing a 12" fire hydrant extension on the existing fire hydrant on Ziegler per plan drawings. All work to conform to the Fort Collins — Loveland Water District Specifications. All labor, material and supervision to be included into the unit price. Add Valve Extension Keys to the Existing Water Valves — The Contractor will have to excavate to the water valve in the roundabout area and place a steel nut extension per the Fort Collins — Loveland Water District Specifications and new water valve box to the finish design grade of the planted area in the construction drawings. All labor, equipment, backfill and materials to be included in the unit price. Expose Existing CMP — Remove 15' of CMP — This work shall consist of exposing the existing corrugated metal pipe in the concrete intersection in the area of the new planting. The pipe which is very shallow will have a 15 foot section cut out. The intent is to use the existing pipe as a carrier pipe for new conduit. Equipment, labor, and materials to do this work must be included in the unit cost. Expose Existing CMP — Remove 3' Top of Pipe — This work shall consist of exposing the existing corrugated metal pipe in the roundabout area. The top of pipe must be cut out and then filled with flowable fill or grout mix after the PVC sleeve is installed. It is assumed htat a hole every 20 feet will be sufficient to obtain the complete inside encasement Insert 12" SDR-35 Sewer Pipe in Existing CMP — The Contractor will be required to install 12" PVC sewer in the existing corrugated metal pipe to the north-east and south-west starting at the center of the new roundabout. Once the 12" pipe is installed a group of 4" and 6" conduits will be installed for future lines. Adjust Sprinkler Box/Cap Existing/Modify Irrigation System — The Contractor will dig and locate wires labeling each wire and cutting the pipe and capping it. The Contractor will be responsible for marking the end of all capped lines and wires. The Contractor will place a reference stake that will be protected through construction and provide information to the Landscape Contractor. Subsection 210.13 is revised to include the following: Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by ( ). 210-01 Adjust Manhole Ring/Cover — (EA) 210-02 Modify Manhole — (EA) 210-03 Adjust Valve Box — (EA) 210-04 Modify Valve Box — (EA) P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 13 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 210-05 Adjust Existing Fire Hydrant to Proposed Grade — (EA) 210-06 Add Valve Extension Keys to Existing Water Valve — (EA) 210-07 Raise City of Fort Collins Light and Power Electric Vault Manhole Cover to Paving Grade — (EA) 210-08 Expose Existing CMP — Remove 15' of CMP — (EA) 210-09 Expose Existing CMP — Remove 3' Top of Pipe — (EA) 210-10 Insert 12" SDR-35 Sewer Pipe in Existing CMP — (LF) 210-11 Adjust Sprinkler Box/Cap Existing/Modify Irrigation System — (EA) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all the Work involved in adjusting structures, complete -in -place, including non -shrink backfill, concrete, metal shims, bituminous materials, haul and disposal, excavation, bedding material, backfill, and compaction as shown on the plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 14 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 construction. 2. Restore all areas disturbed to match surrounding surface conditions. 3. The Owners Field Representative must approve the condition of all replaced and/or restored areas prior to final payment. 1.2 NOTICES TO PRIVATE OWNERS AND AUTHORITIES The following items shall be coordinated between the Contractor and the Owners Field Representative. A. Notify private owners of adjacent properties, utilities, irrigation canals, and affected governmental agencies when prosecution of the Work may affect them. B. Give notification 48 hours in advance to enable affected persons to provide for their needs when it is necessary to temporarily deny access or services. C. Contact utilities at least 48 hours prior to excavating near underground utilities. D. Contact all agencies at least 72 hours prior to start of construction. Notify all agencies of the proposed scope of work schedule and any items, which would affect their daily operation. E. Names and telephone numbers of affected agencies and utilities in the area are listed below for Contractor's convenience. UTILITIES Water: City of Fort Collins, Colorado Storm Sewer: City of Fort Collins, Colorado Sanitary Sewer: City of Fort Collins, Colorado Electric: City of Fort Collins, Colorado Gas/Electric: Xcel Energies 7847 Telephone: Qwest Communications Traffic Operations: City of Ft. Collins, Colorado Cable Television: AT&T Broadband FCLWD: Fort Collins Loveland Water District Water: Fort Collins Loveland Water District Sewer: Fort Collins Loveland Water District Electric: Poudre Valley REA *Utility Locates Under A One -call @ system P:\Street OversizingOcgler Road Kechter Road Roundabout\Bid Docs\Constiuction Specs\General Reqs General Reqs. - 3 221- 6681 221- 6589 221- 6681 221- 6700 225- 377-6401 221-6630 493- 7400 226-3104 ext. 17 226-3104 ext. 17 226-3104 ext. 17 226-1234 1-800-922-1987 Ziegler Road / KechterRoad Roundabout Project REVISION OF SECTION 304 AGGREGATE BASE COURSE Section 304 of the Standard Specifications is revised as follows: Date: April 10, 2006 Subsection 304.01 is revised to include the following: This work shall consist of placing 6" of Aggregate Base Course (Class 5 or 6) over previously prepared pavement sub - grade approved by the Engineer. Aggregate Base Course will be used under the asphalt pavement section and shall meet the requirements of Subsection 703.03. The proposed material shall meet the following minimum requirements: LL Maximum: 30 PI Maximum: 6 "R" Value Minimum: 78 The minimum strength coefficient of the Class 5 or 6 Aggregate Base Course shall be 0.11 Subsection 304.06 is revised to include the following: Aggregate Base Course shall be compacted to at least 95% of maximum density at or near optimum moisture as determined by ASTM D698. Subsection 304.07 is revised to include the following: Aggregate Base Course will be measured by the ton at proper moisture. Quantity will be adjusted accordingly if the moisture content is too high. Haul and water necessary to bring mixture to optimum moisture will not be measured or paid for separately, but shall be included in the price for Aggregate Base Course. Load tickets shall be consecutively numbered for each day. Soil sterilization shall be applied under all new asphalt pavin¢ and shall be considered incidental to the work. Sterilization shall not be paid for separately under this item. Subsection 304.08 is revised to include the following: The accepted quantities of Aggregate Base Course will be paid for at the contract unit price per ton. Payment will be made under: P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 15 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Pay Item and Pay Unit The pay unit is denoted by (). 304-01 Aggregate Base Course — (Class 5 or 6) - 6" Depth — (CIP) — (TON) 304-02 Aggregate Base Course Patch Placement— (Class 5 or 6) — 6" Depth— (CIP) — (TON) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment and incidentals and for doing all work involved in Aggregate Base Course including haul, sterilization, and water. The work will be complete -in -place, as shown on the plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION REVISION OF SECTION 306 RECONDITIONING Section 306 of the Standard Specifications is hereby revised for this project as follows: Subsection 306.02 is revised to include the following: The top 8" of the sub -grade including fill areas (curb, gutter and sidewalk areas) shall be reconditioned by scarifying and re -compacting. The sub -grade shall be thoroughly mixed and dried or moistened to full depth and compacted as specified in Section 203.07. The reconditioned surface shall not vary above or below the lines and grades as staked by more than 0.04 foot under asphalt or concrete pavement or 0.08 foot under aggregate base course. The surface shall be tested prior to application of any base course or pavement. All defective work shall be corrected as directed by the Engineer. The surface shall be protected and maintained until base course or pavement has been placed. If the Contractor chooses to use road base as a fine grading material or a material to mitigate over excavated or rain damaged areas this shall be entirely the Contractor's cost and shall be considered incidental to the Work. The Contractor shall be paid for reconditioning, if reconditioning has been attempted, and muck excavation in the event that unsuitable material is encountered and removed at the direction of the Engineer. It shall be at the Engineer's discretion to determine if the Contractor has made a sufficient effort to control the moisture in the sub -grade material and made a reasonable effort to recondition the sub -grade. Soil sterilization shall be applied under all new asphalt paving and shall be considered incidental to the work. Sterilization shall not be paid for separately under this item. This item (Reconditioning) will not be necessary or paid for in Subsection 306.04 is revised to include the following: The accepted quantities of Reconditioning will be paid for at the contract unit price per square yard. Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by O. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 16 Ziegler Road I KechterRoad Roundabout Project 306-01 Reconditioning (8") - (SY) Date: April 10, 2006 The above prices and payments shall include full compensation for famishing all labor, materials, tools, equipment, and incidentals and for doing all work involved in Reconditioning, complete -in -place, including compaction, wetting or drying, and finish grading, as shown on the plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION REVISION OF SECTION 307 FLYASH SUBGRADE STABILIZATION Section 307 of the Standard Specifications is revised as follows: This item shall consist of treating the sub -grade, from back of curb to back of curb, adding Class "C" flyash, mixing and compacting of the mixed material to the required depth and density. This item applies to natural ground or embankment and shall be constructed as specified herein and in conformity with the typical sections, lines and grades as shown on the plans or as established by the Engineer. MATERIALS A. Flyash - The flyash shall meet ASTM Specification 618, Section 3.2, when sampled and tested in accordance with Sections 4, 6, and 8 unless otherwise shown on the plans. Flyash shall be Class C designation containing a minimum of 25 percent CaO. B. Water - The water used in the stabilized mixture shall be clean, clear, and free of sewage, vegetable matter, oil, acid, and alkali. Water known to be potable may be used without testing. All other sources shall be tested in accordance with AASHTO T-26 and approved by the Materials Engineer. EQUIPMENT A. The machinery, tools and equipment necessary for proper prosecution of the Work shall be on the project site and approved by the Engineer prior to the beginning of construction operations. All machinery, tools and equipment used shall be maintained in a satisfactory and workmanlike manner. Flyash shall be stored and handled in closed weatherproof containers until immediately before distribution on the road. If storage bins are used, they shall be completely enclosed. C. If flyash is furnished in trucks, each truck shall have the weight of flyash certified on public scales or the Contractor shall place a set of standard platform truck scales or hopper scales at a location approved by the Engineer. D. All sheep foot compactors shall have all cleaner bars in working condition. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 17 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 E. At the direction of the on -site Engineer a water truck will be on site to support finish and tilling operation. CONSTRUCTION METHODS A. General It is the primary purpose of this specification to secure a completed course of treated material that contains the following: 1. Uniform flyash/soil mixture with no loose or segregated areas; 2. Uniform density and moisture content 3. Is well bound for its full depth 4. A smooth surface suitable for placing subsequent courses. It shall be the responsibility of the Contractor to regulate the sequence of his work; to process a sufficient quantity of material to achieve full depth as shown on plans; to use the proper amounts of flyash; to maintain the work; and to rework the courses as necessary to meet the above requirements at no additional cost. Before other construction operations are initiated, the sub -grade shall be graded and shaped to enable the flyash treatment of materials in place, in conformance with the lines, grades, and thickness shown on the plans. Unsuitable soil or materials shall be removed and replaced with acceptable material. The sub -grade shall be firm and able to support, without displacement, the construction equipment and the compaction hereinafter specified. Soft or yielding sub -grade shall be corrected and made stable by scarifying, adding flyash, and compacting until it is of uniform stability. If the Contractor elects to use a trimming machine that will remove the sub -grade material accurately to the secondary grade, he will not be required to expose the secondary grade or windrow the material. However, the Contractor shall be required to roll the sub -grade, as directed by the Engineer, before using the trimming machine and correcting any soft areas that this rolling may reveal. This method will be permitted only where a machine is provided which will ensure that the material is cut uniformly to the proper depth and which has cutters that will plane the secondary grade to a smooth surface over the entire width of the cut. The machine shall be of such design that visible indication is given at all times that the machine is cutting to the proper depth. B. Application The flyash shall be spread by an approved spreader at the rate of 12% dry weight of soil as shown on the plans and as directed by the Engineer. A motor grader shall not be used to spread the flyash. The flyash shall be distributed at a uniform rate and in such manner as to reduce the scattering of fly sh by wind to a minimum. Flyash shall not be applied when wind conditions, in the opinion of the Engineer, are such that blowing flyash becomes objectionable to traffic or adjacent property owners. During final mixing, water shall be added to the materials as directed by the Engineer, until the proper moisture content has been secured. Water shall be added through the pulverizing machine or method acceptable to the Engineer to develop a uniform, controlled rate addition of the needed moisture. Initial mixing after the addition of flyash will be accomplished dry or with a minimum of water to prevent flyash balls. Final moisture content of the mix, prior to compaction, shall not exceed the optimum moisture content of the mix by more than two percent nor by less than the optimum by more than four percent. Should the natural moisture content of the soil be above the specified range, aeration of the soil may be required prior to addition of the flyash. C. Mixing The soil and flyash shall be thoroughly mixed by approved rotary mixers or other approved equipment, and the P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 18 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 mixing continued until, in the opinion of the Engineer, a homogeneous, friable mixture of soil and flyash is obtained, free from all clods or lumps. Water required to achieve the specified moisture content for the mixture should be added after initial mixing. If the soil flyash mixture contains clods, they shall be reduced in size by raking, blading, disking, harrowing, scarifying or the use of other approved pulverization methods so that when all non -slaking aggregates retained on the No. 4 sieve are removed, the remainder of the material shall meet the following requirements when tested at the field moisture condition or dry by laboratory sieves: Minimum Passing: linch sieve 100 percent Minimum Passing: No. 4 sieve 60 percent D. Compaction Compaction of the mixture shall begin immediately after mixing of the flyash and be completed within one hour following addition of flyash and water. The material shall be sprinkled as necessary to maintain the optimum moisture. Compaction of the mixture shall begin at the bottom and shall continue until the entire depth of mixture is uniformly compacted to a specified density. All non -uniform (too wet, too dry or insufficiently treated) areas which appear shall be corrected immediately by scarifying the areas affected, adding or removing material as required and reshaping the re -compacting by sprinkling and rolling. The surface of the course shall be maintained in a smooth condition, free from undulations and ruts, until other work is placed thereon or the work is accepted. The stabilized section shall be compacted to the extent necessary to provide the density specified below: Description For flyash treated sub -grade, existing sub -base Not less than 95 percent maximum pry density (ASTM or existing base that will receive subsequent D-698) sub -base or base courses For flyash treated sub -base or base that will Not less than 95 percent maximum dry density receive surface course (ASTM D-698) In addition to the requirements specified for density, the full depth of the material shown on the plans shall be compacted to the extent necessary to remain firm and stable under construction equipment. After each section is completed, the Engineer will make tests as necessary. If the material fails to meet the density requirements, the Engineer may require it to be reworked as necessary to meet those requirements or require the Contractor to change his construction methods to obtain required density on the next section. Throughout this entire operation, the shape of the course shall be maintained with a blade, and the surface, upon completion, shall be smooth and in conformity with the typical section shown on the plans and to the established lines and grades. Grading should be terminated within two hours after blending of the flyash. Should the material, due to any reason or cause, lose the required stability, density and finish before the next course is placed or the work is accepted, it shall be reprocessed, re -compacted and refinished at the sole expense of the Contractor. Reprocessing shall follow the same pattern as the initial stabilization, including the addition of flyash. E. Finishing, Curing and Preparation for Surfacing After the final course of the treated sub -grade, sub -base or base has been compacted; it shall be brought the required lines and grades in accordance with the typical sections. The resulting base surface shall be thoroughly rolled with a pneumatic tire roller and "clipped", "skinned" or "tight bladed" by a power grader to a depth of approximately 3 inch, removing all loosened stabilized material from the section: Re -compaction of the loose material should not be attempted. The surface shall P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 19 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 then be thoroughly compacted with the pneumatic roller, adding small increments of moisture as needed during rolling. If plus No. 4 aggregate is present in the mixture; one complete coverage of the section with the fat wheel roller shall be made immediately after the "clipping" operation. When directed by the Engineer, surface finishing methods may be varied from this procedure provided a dense, uniform surface, free of surface compaction plans, is produced. The moisture content of the surface material must be maintained within the specified range during all finishing operations. Surface compaction and finishing shall proceed in such a manner as to produce, in not more than two hours, a smooth, closely knit surface, free of cracks, ridges or loose material conforming to the crown, grade and line shown on the plans. 2. After the flyash treated course has been finished as specified herein, the surface shall be protected against rapid drying by either of the following curing methods for a period of not less than three days or until the surface or subsequent courses are placed: (a) Maintain a thorough and continuously moist condition by sprinkling. (b) Apply a two-inch layer of earth on the completed course and maintain in a moist condition. (c) Apply an asphalt membrane to the treated course, immediately after same is completed. The quantity and type of asphalt approved for use by the Engineer shall be sufficient to completely cover and seal the total surface of the base between crown lines and all voids. If the Contractor elects to use this method, it shall be the responsibility of the Contractor to protect the asphalt membrane from being picked up by traffic by either sanding or dusting the surface of same. The asphalt membrane may remain in place when the proposed surface or other base courses are placed. Asphaltic emulsions are not acceptable for the asphaltic membrane. METHOD OF MEASUREMENT Flyash Sub -grade Stabilization will be measured by the square yard to the limits as constructed in the field and be paid for at the contract unit price per square yard. NOTE: The square yards of Flyash Sub -grade Stabilization is an estimate only based on the soils report and general knowledge of the soil conditions in this area. The sub -grade areas to be stabilized with flyash will be determined by the Engineer based upon results after proof rolling and effects resulting from inclement weather conditions. Sub -grade areas not requiring flyash stabilization will be Reconditioned (Revision of Section 306), measured by the square yard as constructed in the field and Daid for at the Reconditioning contract unit Drive per square Yard. BASIS OF PAYMENT Payment will be made under: Pay Item and Pam The pay unit is denoted by ( ) 307-01 Flyash Subgrade Stabilization— (12%) - (SY) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all work involved in Flyash stabilization, complete -in -place, including compaction, and wetting or drying as shown on the plans, as specified in these specifications, and as directed by the Engineer. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 20 Ziegler Road / KechterRoad Roundabout Project END OF SECTION Date: April 10, 2006 P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 21 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 REVISION OF SECTION 401 & 703 PLANT MIX PAVEMENTS — GENERAL & AGGREGATES Section 401 and 703 of the Standard Specifications is hereby revised as follows: Subsection 401.02 is hereby revised to include the following: Requests made in writing by the Contractor for changes in the job mix formula will be considered by the Engineer. A job mix formula shall be determined by the Contractor and submitted to the Engineer for approval a minimum of one week prior to the beginning of construction for each proposed change. The Contractor shall provide the Engineer with an asphalt mix design report from an independent testing laboratory acceptable to the Engineer. The report shall state the Mix properties, optimum oil content, job mix formula and recommended mixing and placing temperatures. The costs for all job mix formulas shall be the responsibility of the Contractor. If the Contractor uses more than three (3) job mix formulas for a type of plant mix pavement used, the City may charge the Contractor for testing and evaluation of the mix designs, including the costs for calibration of a Nuclear Asphalt Oven. For Superpave Mixes, delete Table 401-2 and replace with the following: TABLE 401-2 Grading Test Procedure Minimum Test 7 Sampling Frequency Result All Gradings CP L-5109 Method B 80 One per 10, 000 metric tons (10,000 tons) or fraction thereof (minimum) In subsection 401.02, delete the second, third, and fourth paragraphs and replace with the following: 1. A proposed plant mix pavement mix design prepared in accordance with Colorado Procedure 52(CP52-99), including a proposed job -mix gradation for each mixture required by the Contract which shall be fully within the Master Range Table, Tables 703-3A, B, and C, before the tolerances shown in Table 401-1 are applied. The weight of lime shall be included in the total weight of the material passing the 75 mm (No. 200) sieve. The restricted zone boundaries shown for all gradings in Tables 703-3A, 703-313, and 703-3C are to be used as guidelines in mix design development. However, the job -mix gradation is not required to pass above or below the restricted zone boundaries. 2. The name of the refinery supplying the asphalt cement and the source of the anti -stripping additive. 3. A sufficient quantity of each aggregate for the Department to perform the tests specified in section 2.2.1 of CP52. In subsection 401.02 delete Table 401-1, including the footnotes, and replace with the following: ABLE 401-113itumen Content f0.3% sphalt Recycling Agent t0.2% emperature of Mixture When Discharged from Mixer t 10°C lot Bituminous Pavement - Item 403 assing the 9.5 mm (3/8,) and larger sieves 16% assing the the 4.75 mm (No. 4) and 2.36 mm (No. 8) sieves t5% assing the 600 mm (#30) sieve f4% assing the 75 mm (#200) sieve f2% 'When 100%passing is designated, there shall be no tolerance. When 90-100%passing is designated, 90% shall be the minimum; no tolerance shall be used. PAStreet Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Speeffechnical Specs Technical Specs - 22 Ziegler Road ( KechterRoad Roundabout Project Delete Subsection 401.07 and replace with the following: Date: April 10, 2006 Plant mix pavement shall be placed only on properly prepared unfrozen surfaces which are free of water, snow, and ice. The plant mix pavement shall be placed only when both the air and surface temperatures equal or exceed the temperatures specified in Table 401-3 and the Engineer determines that the weather conditions permit the pavement to be properly placed and compacted. Table 401-3 Placement Temperature Limitations in "C: Compacted Layer Minimum Surface and Air Thickness in Temperature °C (°F) mm (inches) Top Layers Below Layer Top Layer <38 (IV2) 15 (60) 10 (50) 38 (1 Yz) - <75 (3) 10 (50) 5 (40) 75 (3) or more 7 (45) 2 (35) Note: Air temperature is taken in the shade. Surface is defined as the existing base on which the new pavement is to be placed. If the temperature falls below the minimum air or surface temperatures, paving shall stop. The Contractor shall schedule the work so that no planed or recycled surface is left without resurfacing for more than 10 calendar days during the period specified in Table 401-3A, below. The Contractor shall immediately place a temporary hot bituminous pavement layer on any surface that has been planed or recycled and can not be resurfaced in accordance with the above temperature requirements within 10 calendar days after being planed or recycled. The minimum thickness of the temporary hot bituminous pavement layer shall be 50 mm (2 inches). The Contractor shall perform the quality control required to assure adequate quality of the hot bituminous pavement used in the temporary layer. All applicable pavement markings shall be applied to the temporary layer surface. The Contractor shall maintain the temporary layer for the entire period that it is open to traffic. Distress which affects the ride, safety, or serviceability of the temporary layer shall be immediately corrected to the satisfaction of the Engineer. The temporary hot bituminous pavement layer shall be removed when work resumes. Table No. 401-3A Periods Requiring Overlay of Treated Surfaces Location by Elevation Period During Which Planed or Recycled Surfaces Must be Overlaid within Ten Days All areas below and including 2100 m October 1 to March 1 (7000 feet) All areas above 2100 m (7000 feet) up to September 5 to April 1 and including 2600 m (8500 feet) All areas above 2600 m (8500 feet) August 20 to May 15 P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 23 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 In Subsection 401.15, delete the third and fourth paragraphs (including table) and replace with the following: The minimum temperature of the mixture when discharged from the mixer and when delivered for use shall be as shown in the following table: Asphalt Grade Minimum Mix Discharge Temperature, °C (°F)* Minimum Delivered Mix Temperature, °C (°F)** PG 58-28 135 (275) 113 (235) PG 58-22 138 (280) 113 (235) PG 64-22 143 (290) 113 (235) AC-20 Rubberized 160 (320) 138 (280) PG 76-28 160 (320) 138 (280) PG 70-28 149 (300) 138 (280) PG 64-28 149 (300) 138 (280) PG 58-34 149 (300) 138 (280) * The maximum mix discharge temperature shall not exceed the minimum discharge temperature by more than 17°C (30°F). ** Delivered mix temperature shall be measured behind the paver screed. Hot -mix asphalt mixture shall be produced at the lowest temperature within the specified temperature range that produces a workable mix and provides for uniform coating of aggregates (95%minimum in accordance with AASHTO T 195), and that allows the required compaction to be achieved. Subsection 401.16 is hereby revised to include the following: The mixture shall be laid upon an approved surface, spread and struck off to provide for drainage to the side(s) of the roadway with a minimum cross slope of two percent (2%) or as directed by the Engineer. In subsection 401.17, first paragraph, delete the last two (2) sentence and replace with the following: When the mixture contains unmodified asphalt cement (PG 58-28, PG 58-22, or PG 64-22) or modified (PG 58-34), and the surface temperature falls below 85°C (185 °F), no further compaction effort will be permitted unless approved. If the mixture contains modified asphalt cement (AC-20R, PG 76-28, PG 70-28, or PG 64-28) and the surface temperature falls below 110°C (230 °F), no further compaction effort will be permitted unless approved. Subsection 401.17 is hereby revised to include the following: All pneumatic tire rubbers shall be equipped with rubber skirts. In subsection 703.04 delete Table 703-3 and replace with Tables 703-3A, B, and C as follows: TABLE 703-3A Master Range Table for Hot Bituminous Pavement (Grading S) P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 24 Ziegler Road / Kechter Road Roundabout Project Ditch Companies as required AGENCIES Date: March 8, 2006 Occupational Safety & Health Administration (OSHA): 844-3061 Poudre Fire Authority Non -Emergency: 221-6581 Emergency: 911 City of Fort Collins Police Department Non -Emergency: 221-6550 Larimer County Sheriffs Department Postmaster: US Postal Service Ambulance: Poudre Valley Hospital Transportation: Emergency 911 Non -Emergency: 221-7177 Emergency: 911 Judith Robertson: 225-4111 Non -Emergency: 484-1227 Emergency: 911 Transfort: 221-6620 Traffic Engineering: 221-6630 END OF SECTION P:\Sheet Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reds General Reqs. - 4 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Sieve Size Percent by Weight Passing Square Mesh Sieves Restricted Zone Boundary (Guideline) Minimum Maximum 37.5 mm (1%") 25.0 mm (1") 100 19.0 mm (/") 90 - 100 12.5 mm (%z") 9.5 mm (3/8•,) 4.75 tutu (#4) 2.36 mm (#8) 23 - 49 34.6 34.6 1.18 tutu (#16) 22.3 28.3 600 mm (#30) * 16.7 20.7 300 turn (#50) 13.7 13.7 150 mm (#100) 75 mm (#200) 2-8 * These additional Form 43 Specification Screens will initially be established using values from the As Used Gradation shown on the Design Mix. TABLE 703-313 Master Range Table for Hot Bituminous Pavement (Grading SX) Sieve ( Percent by Weight I Restricted Zone Boundary (Guideline) P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 25 Ziegler Road! KechterRoad Roundabout Project Date: April 10, 2006 Size " Passing Square Mesh Sieves Minimum Maximum 37.5 min (1'/2") 25.0 min (1") 19.0 min (1/") 100 12.5 min (%") 90 - 100 9.5 min (3/8^) 4.75 mm (#4) 2.36 min (#8) 28 - 58 39.1 39.1 1.18 min (#16) 25.6 31.6 600 min (#30) * 19.1 23.1 300 min (#50) 15.5 15.5 150 min (#100) 75 min (#200) 2 - 10 * These additional Form 43 Specification Screens will initially be established using values from the As Used Gradation shown on the Design Mix. TABLE 703-3C Master Range Table for Hot Bituminous Pavement (Grading SG) P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 26 Ziegler Road/ KechterRoad Roundabout Project Date: April 10, 2006 Sieve Size Percent by Weight_, Passing Square Mesh Sieves _ Restricted Zone Boundary (Guideline) Minimum Maximum 37.5 ram (1'/2") 100 25.0 turn (1") 90 - 100 19.0 tutu (/") 12.5 nun ('/2") 9.5 turn (3/g,,) 4.75 mm (#4) * 39.5 39.5 2.36 mm (#8) 19 - 45 26.8 30.8 1.18 mm (#16) 18.1 24.1 600 tutu (#30) * 13.6 17.6 300 mm (#50) 11.4 11.4 150 mm (#100) 75 mm (#200) 1-7 * These additional Form 43 Specification Screens will initially be established using values from the As Used Gradation shown on the Design Mix. END OF SECTION REVISION OF SECTION 403 HOT BITUMINOUS PAVEMENT P:\Street Oversizing\Ziegler Road Kecbter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 27 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Section 403 of the Standard Specifications is hereby revised as follows: Subsection 403.01 is revised to include the following: Hot Bituminous Pavement — This shall consist of constructing one or more courses of HBP Grading S & SG over existing pavement or subgrade surfaces previously prepared by the contractor or City of Fort Collins Crews. Asphalt Paver Patching — HBP Grading S & SG shall be used in locations as directed by the Engineer. This work shall consist of the placement of asphalt with a paver in small areas. Asphalt Patching — HBP Grading S & SG shall be used in locations as directed by the Engineer. These quantities will be restricted to small areas which require hand placement methods and conventional paving equipment cannot be utilized. Subsection 403.02 is revised to include the following: Laboratory Mix Design — Grading S & SG - The mix designs shall be prepared by an independent laboratory acceptable to the Engineer and shall be submitted by the Contractor to the Engineer for approval a minimum on one (1) month prior to the beginning of paving for this project. The criteria for the mix design is as follows: HBP Grading S & SG ESAL's: Ziegler Road (Shallow Pond Drive to Trilby Road) = 912,500 ESAL's: Trilby Road (Ziegler Road to Southwest Coner of Kinard Junior High School) = 730,000 Binder: Grading S-100-PG 64-28 / Grading SG-100 — PG 58-28 Designed according to the most recent set of SUPERPAVE Specifications available. SEE TABLE 403-1 NEXT PAGE FOR DESIGN CRITERIA A request made in writing by the Contractor for changes in the job mix formula will be considered by the Engineer. The Contractor shall prepare a quality control plan outlining the steps taken to minimize segregation of HBP. This plan shall be submitted to the Engineer and approved prior to beginning the paving operations. When the Engineer determines that segregation is unacceptable, the paving shall stop and the cause of segregation shall be corrected before paving operations will be allowed to resume. The Contractor will not be allowed to clean the paver hoper during paving operations. Reclaimed materials will not be allowed in Hot Bituminous Pavement. A maximum of 20% reclaimed material will be allowed for HBP Grading SG. The Contractor shall construct the work such that all roadway pavement placed prior to the time paving operations end for the year, shall be completed to the full thickness required by the plans. The Contractor's Progress Schedule shall show the methods to be used to comply with this requirement. Vertical drop offs will not be allowed at the end of any days ravine Paper ioints will be required to a taper equaline 3 times the amount of drop. Paving joints shall be at the lane lines or in the center of the lane. In no case shall the Paving ioints be in the wheel path. The contractor shall submit a longitudinal joint andpavement marking plan 3 days prior to paving. PAVEMENT SECTION: Grading S-100 (PG I Ziegler Road and Kechter Road: 3" P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 28 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Grading SG-100 (PG58-28) 6" Aggregate Base Coarse 6" Flyash Treated Subgrade 1T, The design mix for Grading S, SX, and SG shall conform to the following: TABLE 403-1 Property Test Method Grading S Grading SG Grading Sx N/A this Project Air Voids, percent at: N (initial) CPL 5115 > 11.0 > 11.0 > 11.0 N (design) 3.0 - 5.0 3.0 - 5.0 3.0 - 5.0 N (maximum) > 2.0 > 2.0 > 2.0 Lab Compaction (Revolutions): N (initial) (a) CPL 5115 8 8 (a) N (design)(b) 100 100 (b) N (maximum) (a) 174 174 (a) Stability, minimum (a) CPL 5106 42 42 (a) (for information) Aggregate Retained on the 4.75 tutu (No. 4) Sieve with at least two CP 45 60 60 60 Mechanically Induced Fractured Faces, % minimum Accelerated Moisture Susceptibility CPL 5109 Tensile Strength Ratio (Lottman), Method B 80 80 80 minimum Minimum Dry Split Tensile CPL 5109 205 (30) 205 (30) 205 (30) Strength, kPa (psi) Method B Grade of Asphalt Cement PG 64-28 PG 58-28 PG 64-28 Top Layer Grade of Asphalt Cement Layers Below To PG 64-28 PG 58-28 PG 64-22 Voids in the Mineral Aggregate (VMA)%minimum (a) CP 48 14.0 12.0 (a) Voids Filled with Asphalt (VFA) % (a) Al MS-2 65 - 75 65 - 75 (a) (a) Current CDOT Design Criteria (b) Residential 50, Collector 75, Arterial 100 Note: AIMS-2 = Asphalt Institute Manual Series 2 Note: The current version of CPL 5115 is available from the Region Materials Engineer. Note: Mixes with gradations having less than 40% passing the 4.75 turn (No. 4) sieve shall be approached with caution because of constructability problems. Subsection 403.03 is revised to include the following: P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 29 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Regardless of the delivery temperature, the mixture shall not be placed for use on the roadway at a temperature lower than 2250 F. Emulsified Asphalt for tack coat shall be Grade CSS-Ih. The tack coat shall consist of a 1:1 dilution (one (1) part emulsified asphalt to one (1) part water). The application rate for tack coat shall be approximately 0.1 gallons per square yard. The existing pavement shall be broomed and cleaned to be free of dirt, water, vegetation and other deleterious matter immediately prior to commencing the paving operation. Edges of the area to be patched shall be sawcut vertically, and perpendicular or parallel to the roadway, as directed by the Engineer. Tack coat shall be placed against clean, vertical edges on all sides of the area to be patched. Hot Bituminous Pavement Grading S and SX shall be placed in equal lifts not exceeding three (3) inches. The minimum lift thickness for Grading SX shall be one (1) inch and Grading S shall be (1 %) inch. HBP Grading SG shall be placed in equal lifts not exceeding four (4) inches and the minimum lift thickness shall be three (3) inches. Overlaying layers of Hot Bituminous Pavement shall not be placed until the lower layer has cooled sufficiently to provide a stable material which will support the equipment without rutting, shoving or moving in any manner. Tack coat shall be placed between all lifts. NOTE: Any levelin¢ courses placed shall be paid for at the contract unit price for Hot Bituminous Pavement. Subsection 403.04 shall include the following: Hot Bituminous Pavement Grading SX, S and SG, will be measured by the ton and paid for at the Contract Unit Price for Asphalt Patching and Hot Bituminous Pavement. Pavement cutting, excavation, subgrade preparation, haul and disposal, bituminous materials, aggregate, asphalt cement, asphalt recycling agent, additives, hydrated lime, and all other work necessary to complete each hot bituminous pavement item will not be paid for separately but shall be included in the unit price bid. Load slips shall be consecutively numbered for each day and shall include batch time Subsection 403.05 is revised to include the following: Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by O. 403-01 Hot Bituminous Pavement— Grading S-100 - (3" Depth) — (PG 64-28) — (TON) 403-02 Hot Bituminous Pavement — Grading SG-100 (6" Depth) — (PG 58-28) — (TON) 403-03 Hot Bituminous Pavement — Grading S-100 (2" Depth) Overlay — (PG 64-28) — (TON) 403-04 Asphalt Patching — Grading SG-100 (5" Depth) — (PG 58-28) — (TON) 403-05 "T" Patch following Installation of FCLWD Waterline (for limits of item 1) — (TON) 403-06 "T" Patch following Installation ofFCLWD Waterline (for limits of item 3) — (TON) 403-07 2" Overlay, Grade S-100— (PG 64-28) Ziegler Road centerline Sta. 36+46 to 44+97 — (TON) P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 30 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all the work involved in Hot Bituminous Pavement and Asphalt Patching, including pavement cutting, excavation, subgrade preparation, haul and disposal, compaction, rolling, surface preparation, and bituminous materials, complete in -place, as shown on these plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION REVISION OF SECTION 412 PORTLAND CEMENT CONCRETE PAVEMENT Section 412 of the Standard Specifications is hereby revised as follows: Subsection 412.03 is revised to include the following: Concrete pavement shall conform to Class "P" concrete as specified in Subsections 601.02 and 601.03. Class "P" concrete shall have a minimum 28-day field compressive strength of 4200 psi. The Contractor shall submit a concrete mix design for Class "P" showing and establishing the proportions of all the P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 31 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 ingredients. The Contractor shall be responsible for all subsequent adjustments necessary to produce the specified concrete mix. The Contractor shall submit a new mix design based on the Class "P" requirements when a change occurs in the type of cement, or sources of flyash, or aggregate. The contractor may delete Class F flyash and also substitute Size 67 aggregate in lieu of the larger aggregate blend for the Class "P" concrete only upon the approval of the mix design submitted to the Engineer. The Contractor shall also submit a mix design for High Early Concrete. This mix shall have a minimum 24-hour field compressive strength of 3000 psi and a minimum 28-day field compressive strength of 4200 psi. This item shall be paid for by the cubic yard of concrete used. It shall include supplying, placing, curing and texturing the high early concrete. Payment for the cost of using high early concrete will be paid for by the cubic yard for the incremental increase in cost and will be paid only when the Engineer requires use of high early concrete. No concrete shall be placed until the applicable mix design and maturity relationship has been submitted, reviewed and approved by the Engineer. Review and approval of the mix designs by the Engineer will not constitute acceptance of the concrete. Acceptance shall be based solely on the work conforming to the specifications and on satisfactory test results of the concrete placed on this project. Subsection 412.12 is revised to include the following: Finishing — The Contractor shall not add water to the surface of the concrete to assist in finishing operations. Floats made of aluminum shall not be used. Immediately following the burlap drag finish, the surface shall be given an "astro-turf' drag finish. Materials used for final finish shall be of such texture and weight to produce a uniform texture similar to a broom type finish. Drags shall be full width of the new pavement and maintained in acceptable condition as specified for "astroturf' drag finish. Subsection 412.13 is revised to include the following: The Contractor shall saw joints early enough to control or limit random cracking but not too early as to create chipping along the sawed joint. Saw cutting will not be allowed between the hours of 9:00 p.m. and 6:00 a.m. unless approved by the Engineer. Saw cutting joints shall be included in this work and will not be paid for separately. If the Contractor proposes variations from CDOT M Standards, it is requested that the Contractor shall prepare a pavement ioint and doweline lavout for anoroval by the Engineer. Subsection 412.17 is revised to include the following: The concrete pavement smoothness shall meet the requirements of Category 4, Class I, as shown in Table 412-1 for the Profilograph test. Subsection 412.18 is revised to include the following: Silicone joint sealant material: Concrete joints shall be sealed with an approved silicone joint sealant material. A copy of the manufacturer's recommendations pertaining to the application of the sealant shall be submitted to the Engineer for approval prior to the beginning of work, and these recommendations shall be adhered to by the Contractor, with such exceptions as this specification may require. The sealant material shall be applied into the joint using equipment and techniques recommended by the joint sealant manufacturer. The Engineer may elect to check for bonding or adherence to the sides of the joint. If the sealant does not bond to the joint, the Contractor shall remove the joint sealant material and clean and reseal these joints in accordance with the criteria outlined. Backer rod: Shall be a round, heat resistant material meeting the requirements set forth by the joint sealant P:\Street Oversizing\Ziegler Road Kechier Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 32 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 manufacturer. The Contractor shall submit the proposed material to the Engineer for review and approval prior to use. The backer rod shall be placed in such a manner that the grade for the proper depth of the sealant material is maintained. The depth of the sealant shall be a maximum of % inch. The Contractor shall thoroughly clean the joint and adjacent pavement surface for a width of not less than one inch (1") on each side of the joint of all scale, dirt, dust, residue, or any foreign material that will prevent bonding of the joint sealant. This operation is to be accomplished by immediately flushing the joints with water after sawing. The joints shall be sandblasted after they have dried, just prior to sealing. After sandblasting, the joint shall be cleaned using compressed air with a minimum pressure of 100 psi. The sandblasting and air cleaning shall be performed on the same day as the backer rod placement and joint sealant application. Sealant shall not commence for a minimum of 24 hours after sawing or a weather event without approval of the Engineer. Subsection 412.24 is revised to include the following: Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by O. 412-01 Portland Cement Concrete Pavement (10" Depth) — (SY) The above prices and payment shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all the work involved in placing concrete pavement, complete -in -place, including haul, concrete materials, finishing the surface, saw cutting the joints, curing, placing dowels, and sealing joints as shown on the plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION REVISION OF SECTION 506 RIPRAP Section 506 of the Standard Specifications is hereby revised as follows: Subsection 506.01 is revised to include the following: This work consists of the construction of riprap sections with riprap, Type II bedding and covered with topsoil in accordance with these specifications and in conformity with the lines and grades shown on the plans or established grades. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid DocsWonstruction Specs\Technical Specs Technical Specs - 33 Ziegler Road / KechterRoad Roundabout Project Subsection 506.02 is revised to include the following: Date: April 10, 2006 Color of buried riprap shall be approved by the Engineer. Exposed riprap shall be gray to blue gray in color or as approved by the Engineer. Rock used for riprap shall be hard, durable, angular in shape and free from cracks, over -burden, shale and organic matter. Thin, slab type stones, rounded stones and flaking rock shall not be used. Removed concrete shall not be used for riprap without specific written approval by the Engineer. Service records of the proposed material will be considered by the Engineer in determining the acceptability of the rock. Neither breadth nor thickness of a single stone shall be less than one-third (1/3) its length. Bedding material shall conform to the specification for Type II Filter material as per the City of Fort Collins Storm Drainage Design Criteria and Construction Standards (Table 12-3) or CDOT Class A filter material (Section 703.09). Subsection 506.03 is revised to include the following: Wherever possible, the excavation for the riprap sections shall be undisturbed material, or where this is not possible, the underlying materials shall be compacted to 95% of maximum density as determined by ASTM D 698. The bottom of the excavation shall have a uniform slope, be reasonably smooth, free from mounds and windrows and free of debris prior to placing the filter material. Bedding material shall be placed on top of the sub -grade material prior to riprap installation at all locations of riprap sections shown on the plans. The layer shall be shaped to provide the minimum thickness of bedding material as shown on the details of the plans. Riprap material shall be placed immediately after the bedding material is placed and in a manner to provide a well - graded mass of stone with minimum voids. Riprap may be machine -placed with sufficient handwork to minimize disturbance of the bedding material layer. This material shall be placed to the required thickness and grade shown on the details of the plans. Topsoil material shall be used to backfill and bury the entire riprap bed area and compacted to insure thorough settling of the topsoil within the rock voids. The top three inches (3") of the topsoil shall be loosely placed. This material shall be placed to the required thickness as shown on the details of the plans. The contractor shall utilize, when appropriate, existing topsoil on site. Subsection 506.04 is revised to include the following: Riprap sections specified in the plans will be paid for at the contract unit price per EA. The unit price bid shall include all costs associated with installation of the bedding material, riprap and topsoil including excavating for the placement of these materials, all materials, delivery, stockpiling and handling of the riprap. Subsection 506.05 is revised to include the following: Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by O. 506-01 6' x 6' x 1.5' Type L Riprap, 6" Topsoil (CIP) — (EA) The above prices and payment shall include full compensation for furnishing all labor, materials, tools, equipment, P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 34 Ziegler Road / Kechter Road Roundabout Project SECTION 01040 COORDINATION 1.1 GENERAL CONTRACTOR RESPONSIBILITIES Date: March S, 2006 A. Coordinate operations under contract in a manner, which will facilitate progress of the Work. The Contractor shall also coordinate with the Utility Companies and City Traffic Department whose Work is separate from the General Contractor's contract. B. Conform to the requirements of public utilities and concerned public agencies in respect to the timing and manner of performance of operations which affect the service of such utilities, agencies, or public safety. C. Coordinate operations under contract with utility work to allow for efficient completion of the Work. D. Coordinate all operations with the adjoining property owners, business owners, and surrounding neighborhoods to provide satisfactory access at all times and keep them informed at all times. To work with the local fire and police departments to ensure the traffic control plan is followed in emergency situations with no exceptions of disruption to traffic flow. E. Keep traffic areas and temporary residential accesses free of excavated material, construction equipment, pipe and other material and equipment. F. Keep fire hydrants and utility control valves free from obstruction and available for use at all times. G. Conduct operations in a manner to avoid unnecessary interference with public and private roads and drives. H. Provide and maintain temporary approaches or crossings at streets and residences. 1.2 SCHEDULE AND MILESTONES The Contractor shall submit a detailed project schedule showing milestones and the critical path for Phase I and Phase II of the Ziegler Road and Kechter Road Roundabout Project. This schedule shall be agreed to by both the Owner and Contractor. It shall be made in writing and signed by both parties. 1.3 CONFERENCES A. A Pre -construction Conference will be held prior to the start of construction. 1. Contractor shall participate in the conference accompanied by all major Subcontractors. 2. Contractor shall designate/introduce Superintendent, and major Subcontractors supervisors assigned to project. 3. Contractor shall submit in writing proposed daily construction hours to Engineer for approval. 4. Contractor shall designate all access roads and parking areas in writing to the Engineer for approval. 5. The Engineer shall invite all utility and irrigation companies involved. 6. The Utilities will be asked to designate their coordination person, provide utility plans, and their P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Consmction Specs\General Reqs General Reqs. - 5 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 and incidentals, and for doing all the work involved in excavating, placing riprap, bedding and topsoil, complete -in - place, including haul and stockpile of materials, handling of the riprap and finish grading of the surface as shown on the plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION REVISION OF SECTION 603 CULVERTS AND SEWERS Section 603 of the Standard Specifications is hereby revised as follows: Subsection 603.01 is revised to include the following: This work shall consist of the construction and reconstruction of reinforced concrete pipe, pipe encasement, pipe connections, and joint encasement in accordance with the plans, specifications, the City of Fort Collins Storm Drainage Design Criteria and Construction Standards. It shall be the Contractor's responsibility to purchase and familiarize themselves with these specifications. The Contractor shall include in the Work all the necessary items to complete the Work including but not limited to excavation, bedding, backfill, and compaction. The accepted quantities will be paid for at the contract unit price. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 35 Ziegler Road / KechterRoad Roundabout Project Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by (). 603-01 19" x 30" HERCP Class III — (LF) 603-02 12" RCP Class III — (LF) 603-03 15" RCP Class III — (LF) 603-04 15" RCP Class III FES — (EA) 603-05 24" RCP Class III w/ Water tight joints (ASTM C443) — (LF) 603-06 8" Sewer SDR-35 — 21 linear feet with headwalls - (LS) 603-07 Field Collar on 19" x 30" HERCP — (EA) 603-08 29" x 45" HERCP Class III — (LF) Date: April 10, 2006 The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all Work involved in installing pipe and encasing joints, complete in -place, as shown on the plans, as specified in these specifications, and as directed by the Engineer. Concrete and/or Asphalt patching will be paid for separately under the appropriate item. END OF SECTION REVISION OF SECTION 604 MANHOLES, INLETS, AND METER VAULTS Section 604 of the Standard Specifications is hereby revised as follows: Subsection 604.01 is revised to include the following: This work shall consist of the construction of manholes, CDOT Type `R' inlets, type 16 combination inlets, and providing and maintaining erosion control, in accordance with the plans, specifications, and the City of Fort Collins Storm Drainage Design Criteria and Construction Standards. It shall be the Contractor's responsibility to purchase and familiarize themselves with these specifications. The Contractor shall include the cost of excavation, backftll, compaction, and installation and maintenance of erosion control into each item listed in this section. The Contractor shall clean all sediment caught in the storm sewer system due to this project. The frequency of the P:\Street Oversiziog\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 36 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 cleaning shall be at the direction of the Engineer. The Contractor will not be allowed to flush the pipes with water. All Erosion Control Devices, Materials, and Techniques required to prevent damage to the storm water facilities as outlined in the City of Fort Collins Standards will be considered incidental to the work, and shall be included in the price. No measurement for payment shall be made for maintenance of Erosion Control devices. Subsection 604.02 is revised to include the following: Proportioning shall conform to the requirements for Class B concrete as described in Section 601. Subsection 604.08 is revised to include the following: The accepted quantities will be paid for at the contract unit price. Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by O. 604-01 5' Type R-Inlet— (EA) 604-02 Area Inlet with 6" Orifice Plate — (EA) 604-03 4' Concrete Sidewalk Culvert — (LS) 604-04 4' Sidewalk Chase with a 32" x 2' Concrete Trickle Pan — (EA) 604-05 Modification of Pond Inlet on Homestead Property — (LS) 604-06 14' x 14' Manhole Concrete box with 30" Manhole Frame and Cover for Access — (CIP) — (EA) 604-07 Median Underdrain Pipe System — (4" Perforated Pipe) — (LF) 604-08 Median Underdrain Pipe System — (4" Solid Pipe) — (LF) 604-09 Tie to Existing Manhole — (EA) 604-10 Concrete Encasements — (EA) 604-11 10 Mill Viscreen Plastic (SF) 604-12 1 %" Class 200 PVC Irrigation Main — (LF) 604-13 4" Conduit Sleeving —(LF) 604-14 6" Conduit Sleeving — (LF) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all work involved in constructing inlets, constructing manholes, and installing and maintaining erosion control, complete -in -place, as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 37 Ziegler Road / KechterRoad Roundabout Project REVISION OF SECTION 607 FENCES Date: April 10, 2006 Section 607 of the Standard Specifications is hereby revised as follows: Subsection 607.01 is revised to include the following: Barbed Wire Fence (4Stand Wire T-Post) —Follow Section 710 from Colorado Highway Specifications for installation of new fence. This item consists of installing new fence and will be paid for by the linear foot. Any existing fence that is removed is paid for under Remove Fence (Various Types). Subsection 607.04 is revised to include the following: The accepted quantities will be paid for at the contract unit price. Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by O. 607-01 Smooth Wire Fence — (LF) P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 38 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all work listed above: complete in place, as specified in these specifications, and as directed by the Engineer. END OF SECTION REVISION OF SECTION 608 SIDEWALKS AND DECORATIVE CROSSWALKS Section 608 of the Standard Specifications is hereby revised for this project as follows: Subsection 608.01 is revised to include the following: This work shall consist of the construction of concrete sidewalks (6"), pedestrian access ramps, exposed aggregate median splashblock, driveways, crosspans, and drive approaches, in accordance with the plans and specifications. Required saw cutting will be incidental to the work and will not be measured or paid for separately. The use of aggregate base material for fine grading or over excavated areas will not be paid for separately. Subsection 608.02 is revised to include the following: Proportioning shall conform to the requirements for Class "B" concrete as described in Section 601 with the exception the minimum 28 day compressive strength shall be 4000 psi. The Contractor shall also submit a mix design for High Early Concrete. This mix shall have a minimum 24-hour compressive strength of 3000 psi and a minimum 28-day compressive strength of 3500 psi. It shall include supplying, placing, curing and texturing the high early concrete. The price shall apply to all Sections including Section 412, 608 and 610. Payment for extra cost of using high early concrete will be paid for by the cubic yard for the incremental increase in costs and will be paid only when the Engineer requires use of high early. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 39 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Non -Shrink backfill— also called Flowable Fill or Unshrinkable Fill — shall be a Portland Cement Concrete Mix. The cement shall conform to the Standard Specifications for Portland Cement, ASTM C 150-85, Type I/II. The minimum 24- hour strength shall be 10-psi and the maximum 28 day strength, 60 psi. The maximum aggregate size shall be one inch (1 "). The minimum slump shall be six inches (6") and the maximum, eight inches (8"). The non -shrink backfill shall be consolidated with a mechanical vibrator. Payment of using flow fill will be paid for by the cubic yard and only when used as required by the Engineer. Subsection 608.04 is revised to include the following: Exposed Aggregate Concrete: The Exposed Aggregate Concrete shall be Class "EA" concrete integrally colored with 1'/2 lbs. of Davis Color No. 5237 "San Diego Buff' per sack of cement. The surface of the Exposed Aggregate Concrete shall be sealed and protected from drying by applying Davis W-1000 Clear Cure and Seal, or approved equal. "San Diego Buff' shall be used for all exposed aggregate concrete in the median. Truncated Dome Panels: Pedestrian Access Warning Cast Iron Plates — East Jordan Iron Works Model 7005-71. Detectable warnings on new curb ramps shall be truncated domes of the dimensions shown in the plans. Domes shall be prefabricated by the manufacturer as a pattern on concrete or masonry pavers. Pavers shall meet all Americans with Disabilities Act (ADA) requirements for truncated domes, and when installed, shall be capable of producing the pattern of domes as shown in the plans. Pavers shall meet the requirements of ASTM C 902 or ASTM C 936. Enhanced Concrete Crosswalks 10": Per Detail- Stamping: This shall include the cost of stamping using the brick stamp pattern Brickform Texture Mats FM-3500 Cal Weave, 24"x 24". The crosswalk shall have the 2' boarder as shown in the plan detail. The crosswalks will be one color using Davis Color Tile Red. Concrete Pavement: The unit price bid per square foot of exposed aggregate concrete shall include all the Contractor's costs. The price bid shall include: saw cutting, furnishing and installing steel dowel bars as required; forming; furnishing and placing the concrete; finishing and edging the concrete surfaces; curing/sealing materials; joints, joint materials and joint sealers; and all other related and necessary materials, work, and equipment required to construct the Exposed Aggregate Concrete in accordance with the Details and Specifications. All samples required for testing shall be provided by the Contractor at no cost to the City. It is the Contractor's responsibility to adequately protect their work from damage by weather (including cold, heat, rain, wind), vandalism, or other causes until such time as it is accepted by the City. If traffic control devices are used to protect the work, they will not be paid for separately, but shall be included in the work. Pedestrian Refuge Islands — will consist of hand forming and monolithically placing concrete for the crosswalk area and outflow curb and gutter including the curb head for the island nose and median. The monolithic refuge island shall be constructed after the straight sections of median outflow curb and gutter are placed on each side of the median. The crosswalk area shall be 6" thick. All labor, materials, equipment and incidentals required to construct this item including the crosswalk, gutter portion and curb heads, complete -in -place, shall be included in the unit price. This item will be measured in the field, and will be paid for by the square foot (SF). The median hardscape/splash block and the refuge island nose hardscaping will be exposed aggregate concrete and will be paid for at the contract unit price for Exposed Aggregate Concrete (Section 610). Subsection 608.05 is revised to include the following: The Concrete Driveway (6"), Sidewalk (6"), Access Ramps w/Landings (8"), Drive Approach (6") and Concrete Crosspan/Apron (9 1/2") items will be measured by the square foot of finished flatwork. The price for the Access Ramps (6") shall include the landing area as described in section 610. Ramp area shall be measured from the back of the curb to the back of the walk from point of curb return to point of curb return. Subsection 608.06 is revised to include the following: P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 40 Ziegler Road / KechterRoad Roundabout Project The accepted quantities will be paid for at the contract unit price. Payment will be made under: Pav Item and Pay Unit The pay unit is denoted by O. 608-01 Colored Concrete Truck Ramp (Davis Color Tile Red) — 6" — (SF) 608-02 4'-5'-6'-7'-8' Sidewalk — (SF) Date: April 10, 2006 608-03 Enhanced Colored Concrete Cross Walks (Davis Color Tile Red) w/ Truncated Dome Warning Panels Cast Iron -East Jordan Iron Works Model # 7005-71 and w/ 2' stamped borders — (SF) 608-04 Exposed Aggregate Concrete Median Splashblock "San Diego Buff'— (SF) 608-05 Flowflll Over Shallow Utilities — (LF) 608-06 Flowable Fill Concrete — (CY) 608-07 Hi -Early Concrete (24 Hour) — (CY) 608-08 MSE Amastone Wall in the Center Median of the Roundabout — (LF) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all work involved in constructing concrete sidewalks, miscellaneous flatwork, access ramps, drive approaches, and driveways, complete -in -place, including haul, concrete materials, finishing the surface, saw cutting joints, curing, placing dowels, and sealing joints as shown on the plans, protection from staining existing concrete from washing the exposed aggregate, cutting the plastic used to separate the different colors as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 41 Ziegler Road / KechterRoad Roundabout Project REVISION OF SECTION 609 CURB AND GUTTER Section 609 of the Standard Specifications is hereby revised as follows: Subsection 609.01 is revised to include the following: Date: April 10, 2006 This work shall consist of the construction of cast in place vertical 6" curb and gutter, 6" outfall curb and gutter (I-ft pan), and concrete lined irrigation ditch accordance with the details and these specifications. The unit price bid per linear foot of curb and gutter, no sidewalk, includes construction of new curb and gutter sections, complete and in place, measured along the flow line. Removal of curb and gutter is not included in this section, but will be measured and paid separately as described in Section 202. It is the Contractor's responsibility to adequately protect their Work from damajze by weather, vandalism, or other causes until such time as it is accepted by the City. If traffic control devices are used to protect the work, they shall not be paid for separately, but shall be included in the work. Subsection 609.02 is revised to include the following: Proportioning shall conform to the requirements for Class "B" concrete as described in Section 601 with the exception the minimum 28 day compressive strength shall be 4000 psi. Subsection 609.07 is revised to include the following: The accepted quantity of curb and gutter will be paid for at the contract unit price per linear foot. Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by O. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 42 Ziegler Road / KechterRoad Roundabout Project 609-01 30" Vertical Curb & Gutter - (LF) Date: April 10, 2006 609-02 30" Vertical Curb & Gutter (6" Mountable 2' Inflow Gutter between ramps in all corners) - (LF) 609-03 18" Outfall Curb & Gutter - (LF) 609-04 18" Outfall Curb & Gutter (6" Mountable 2' Outfall Gutter around center island) - (LF) 609-05 R&R Vertical Curb and Gutter— (LF) 609-06 R&R Concrete Sidewalk - (SF) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all work involved in constructing vertical curb and gutter, variable height curb and gutter, concrete median curb, complete -in -place, including haul, concrete materials, finishing the surface, saw cutting joints, curing, placing dowels, and sealing joints as shown on the plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION REVISION OF SECTION 619 WATER LINES Section 619 of the Standard Specifications is hereby revised as follows: Subsection 619.01 is revised to include the following: FCLWD WATER LINES ITEMS This work shall include installing ductile iron pipe (DIP), gate valves, tees, bends, tapping saddles, plugs, reaction blocks and joining to existing lines and other items as shown on the plans and as designated by the Engineer. This work shall meet the requirements of the current Fort Collins -Loveland Water District Standards. It shall be the Contractors responsibility to purchase and familiarize themselves with these specifications. All work associated with installing the water lines that is NOT itemized in the bid tab shall be considered incidental to the work and will not be paid for separately. This includes, but is not limited to excavating and backfilling, valve boxes, plugs, thrust blocks, bedding materials, poly -wrap, chlorinating, pressure testing and all materials incidental to completing the installation and connections to existing water lines. Relocate Existing Water Valve (per FCLWD Specifications) — The Contractor will be required to move 2 existing 12" Valve on the Fort Collins — Loveland Water District water line out of the limits of the roundabout. The new location is a distance of 10' to 15'. The City of Fort Collins will have the new location clearly marked for the Contractor. The Contractor will be responsible for notifying the FCLWD of the relocation 2 weeks prior to any work being done. Once the valves have been accepted by FCLWD, they must be backfilled with flowfill. This item shall include all material, dewatering, couplings, labor, equipment and supervision into the unit price of the bid. Flowfill will be paid for under section 608. Subsection 619.05 is revised as follows: P:\Street OversizingWegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 43 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Payment will be made under: Pay Item and Pam The pay unit is denoted by O. 619-01 Relocate Existing Water Valve (per FCLWD Specifications) — (EA) 619-02 24" Ultra Rib PVC Irrigation Pipe — (LF) 619-03 4' Diameter Flat Top Manholes — (EA) 619-04 5' x 5' Concrete Irrigation Splitter Box w/ 2 "Watermain" 24" C-9 Slide Gates (see detail) — (EA) 619-05 Tie to Existing Irrigation — (EA) 619-06 '/o" Irrigation Service: Meter Pit/Backflow Preventer/Metal Screen Cover (per detail) — (LS) 619-07 Tie to Existing — (LS) 619-08 24" C152 DIP, double strap bonded, non -restrained w/ polywrap — (LF) 619-09 24" C152 DIP, double strap bonded, restrained using Field Lok restraint, w/ polywrap, Sta. 36+96 and 56+15 to 57+45 — (LF) 619-10 24" C152 DIP, double strap bonded, restrained using Field Lok restraint, w/ polywrap supported by casing chocks, installed in ex. 36" steel casing — (LF) 619-11 24" Bends and Thrust Blocks — (EA) 619-12 Concrete encasement of existing 30" RCP storm sewer— (LS) 619-13 24" x 22 '/2 degree vertical bends with mechanical restraint — (EA) 619-14 Air/Vac valve and vault assembly— (EA) 619-15 24" x 45 degree horizontal bend with thrust blocks, rotate fitting to achieve required vertical alignment — (EA) 619-16 24" plug with thrust block, mark end of waterline construction — (LS) The above prices and payment shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all the work involved in installing ductile iron water pipe and valves, connecting to existing water lines according to the Fort Collins -Loveland Water District Standards, complete -in -place, as shown on the plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversizing\Ziegier Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 44 Ziegler Road / Kechter Road Roundabout Project Date: March S, 2006 anticipated schedules. 7. The Engineer shall introduce the Project Representatives. 8. At this time the superintendent will be expected to show that he has sufficient knowledge of the specifications and plans to orchestrate and coordinate the construction actives for this job. B. Additional project coordination conferences will be held prior to start of construction for coordination of the Work, refining project schedules, and utility coordination. C. The Engineer may hold coordination conferences, to be attended by all parties involved, when the Contractor's operations affect, or are affected by, the work of others. 1. Contractor shall participate in such conferences accompanied by Subcontractors as required by the Engineer. 1.4 PROGRESS MEETINGS A. Contractor and Project Manager shall schedule and hold regular progress meetings at least weekly and at other times as requested by the Engineer or required by the progress of the Work. B. Attendance shall include: 1. Contractor and Superintendent. 2. Owner's Representatives. 3. Engineer and Project Manager. 4. Others as may be requested by Contractor, Engineer or Owner. C. Minimum agenda shall include: 1. Review of work progress since last meeting. 2. Identification and discussion of problems affecting progress. 3. Review of any pending change orders. 4. Revision of Construction Schedule as appropriate. 5. Review Milestone Schedule. 6. Discuss the work scheduled for the next two weeks. 7. Discuss the surveying needed for the next week. D. The Engineer or a Project Representative shall preside at meetings and record and distribute minutes to the participants. E. The Engineer or Engineer's Field Representative and Contractor shall agree to weekly quantities at the progress meetings. The weekly quantity sheets shall be signed by both parties. These quantity sheets, when signed, shall be final and shall be the basis for the monthly progress estimates. This process ensures accurate monthly project pay estimates. END OF SECTION P:\Street OversizingZiegler Road Kechter Road Roundabout\Bid Docs\Constuction Specs\General Reqs General Reqs. - 6 Ziegler Road / KechterRoad Roundabout Project REVISION OF SECTION 630 TRAFFIC CONTROL DEVICES Section 630 of the Standard Specifications is hereby revised as follows: Subsection 630.01 shall be revised as follows: Date: April 10, 2006 This work shall consist of furnishing, installing, moving, maintaining and removing temporary traffic signs, advance warning arrows panels, barricades, channeling devices, and delineators as required by the latest revision of the "Manual on Uniform Traffic Control Devices for Streets and Highways" (MUTCD), the City of Fort Collins' "Work Area Traffic Control Handbook", June 1989 with Revisions dated May 29, 1991, and the City of Fort Collins' "Design Criteria and Standards for Streets, Subsection 1.4, "Barricades, Warning Signs, Signal Lights", July, 1986. This work includes use of the above devices to channelize or direct traffic away from the work zone, but does not include work zone protection. It is the Contractor's responsibility to protect his work zone and to protect Pedestrians and Bicyclists from potential hazards arising from his work until such time as the work has been completed and can be opened to traffic. Traffic Control Devices shall be measured and paid for under this section based upon a lump sum pay item. In the event of a conflict between the MUTCD criteria and the City's criteria, the City's criteria shall govern. Traffic control devices shall be placed and/or stored in the City right-of-way in such a manner that minimizes the hazards to pedestrians, bicyclists and vehicles. Proper placement and storage of traffic control devices will be subject to the Engineer's discretion. Traffic control devices shall be removed from the site immediately upon completion of the Work, but not before the concrete has cured sufficiently to allow vehicular traffic to use it. Message Boards — Will be placed to the plan designed by the City of Fort Collins. This item will be paid for per day (Day). Traffic Control — This project has been divided into Phase One and Phase Two. The traffic Control Design Plan issued with the plan drawings explains the detour route and signage needed. The Contractor needs to follow the P:\Street OversizingMegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 45 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 plans and quantities. This item will be paid for as a lump sum (LS). Subsection 630.02 shall include the following: All traffic control devices placed for this project must meet or exceed the minimum standards set forth in the MUTCD. All traffic control devices shall be clean and in good operating condition when delivered and shall be maintained in that manner on a daily basis. All traffic control devices shall be clearly marked and free of crossed out information or any other form of defacement that detracts from the purpose for which they are intended (i.e. crossed out information, information written in long -hand style, etc.) Additionally, any sign blank with sign faces on both sides must have the back sign face covered when in use to avoid confusion to motorists traveling in the opposite direction and other potentially affected parties, such as residents affected by any information the sign may present. Subsection 630.05, the second paragraph shall include the following: The reflective material shall be AP 1000 Polyester (Reflexite Corporation), 3M Type III or Transparent (Reflexite Corporation). Vinyl material is not acceptable unless its brightness is equivalent to or greater than the types named as approved by the Engineer. Subsection 630.08 shall be revised as follows: control on this project is the responsihility of the For this project, a Traffic Control Plan shall be prepared. The Traffic Control Plan shall be submitted for approval to the Traffic Division by 12:00 noon, two working days prior to the commencement of work. (Note: Traffic Control Plans for work done on Monday and Tuesday shall be submitted the previous Friday by 9:00 a.m.). Facsimiles of plans shall not be allowed. No phase of the construction shall start until the Traffic Control Plan has been approved. Failure to have an approved Traffic Control Plan shall constitute cause for the City to stop work, as well as the Contractor's forfeiture of payment for all work and materials at that location, with no adjustment in the contract time. The Traffic Control Plan shall include, as a minimum, the following: (1) A detailed diagram which shows the location of all sign placements, including advance construction signs (if not previously approved), fines doubled for speeding signs and speed limit signs; method, length and time duration for lane closures, and location of flag persons. (2) A tabulation of all traffic control devices shown on the detailed diagram including, but not limited to: construction signs; vertical panel; vertical panel with light; Type 1, Type II, and Type III barricades; cones; drum channeling devices; advance warning flashing or sequencing arrow panel. Certain traffic control devices may be used for more than one operation or phase. However, all devices required for any particular phase must be detailed and tabulated for each phase. (3) Number of flaggers to be used. (4) Parking Restrictions to be in affect. Approval of the proposed method of handling traffic is intended to indicate minimum devices needed to control traffic. Such approval does not relieve the Contractor of liability specifically assigned to him under this contract. Parking Restrictions shall be clearly shown on the Traffic Control Plan, including the location and quantity of "NO P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 46 Ziegler Road! KechterRoad Roundabout Project Date: April 10, 2006 PARKING" signs, the date to be placed, and the date to be removed. Failure to have an approved Traffic Control Plan, including the Parking Restriction information listed above shall constitute cause for the City to stop work, as well as the Contractor's forfeiture of payment for all work and materials at that location, with no adjustment in the contract time. Subsection 630.09 shall be revised as follows: Traffic Control Management shall be performed by a Traffic Control Supervisor (TCS). The TCS(s) shall possess a valid Driver's License, a current American Traffic Safety Services Association (ATSSA) certification as a Worksite Traffic Control Supervisor or Colorado Contractor's Association (CCA) certification as a Traffic Control Supervisor. (Proof of certification shall be presented to the City Traffic Control Manager, and when requested by a City representative, for each TCS utilized on this project.) One TCS shall be designated as the Lead TCS. The Lead TCS shall have a minimum of one-year experience as a certified TCS. The Lead TCS shall be on site at all times during the construction. Qualifications shall be submitted to the Engineer for approval a minimum of one week prior to commencement of the work. The Lead TCS shall be equipped with a cellular phone. The cost of this phone shall be incidental to the work. The Lead TCS cellular phone number will be made available to the Engineer, Inspector, and the General Contractor It is the intent of the specifications that the Lead TCS be the same person throughout the project. If the Lead TCS is to be replaced during the project, the Engineer shall be given a minimum of one (1) weeks notice and ouali£►cations shall be submitted for approval of the Lead TCS replacement. Payment for the TCS shall be included in the lump sum pay item. The TCS's duties shall include, but not be limited to: (1) Preparing, revising and submitting Traffic Control Plans as required. (2) Direct supervision of project flaggers. (3) Coordinating all traffic control related operations, including those of the Subcontractors, City Streets Department, and suppliers. (4) Coordinating project activities with appropriate police and fire control agencies, Transfort, school districts and other affected agencies and parties prior to construction. (5) Maintaining a project traffic control dian which shall become Part of the Citv's protect records. (6) Inspecting traffic control devices on every calendar day for the duration of the project. (7) Insuring that traffic control devices are functioning as required. (8) Overseeing all requirements covered by the plans and specifications, which contribute to the convenience, safety and orderly movement of traffic. (9) Flagging. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid DocsTonstruction Specs\Technical Specs Technical Specs - 47 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 (10) Setting up and maintaining traffic control devices. (11) Attending weekly progress meetings as requested by the Engineer and/or Contractor. (12) Shall perform a minimum of Five (5) complete site checks per day, during day light hours, including weekends and/or as requested by the City of Fort Collins representatives. Traffic control management shall be maintained on a 24-hour per day basis. The Contractor shall make arrangements so that the Traffic Control Supervisor or their approved representative will be available on every working day, "on call" at all times and available upon the Engineer's request at other than normal working hours. All traffic control devices shall be placed under the supervision of a Traffic Control Supervisor. The Traffic Control Supervisor shall have up to date copies of the City of Fort Collins' 'Work Area Traffic Control Handbook", and Part VI of the MUTCD, pertaining to traffic controls for street and highway construction, available at all times. Subsection 630.13 shall be revised as follows: The Contractor shall supply and pay all costs associated with the traffic control for this project. Traffic Control devices as per the provided traffic control plans are minimum requirements, additional devices, signage may be required after initial set-up is completed This applies to all phases of this project. The accepted quantities will be paid for at the contract unit price for each of the pay items listed below: Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by (). 630-01 Specialty Signs 3" Letters on 48" x 48" — (EA) 630-02 Portable Stop Lights — (Day) 630-03 Message Boards (7 Boards) — (Day) 630-04 New Jersey Type Concrete Median Barriers — (LF) 630-05 Flaggers — (Hours) 630-06 Traffic Control — (LS) Flaggers and all incidental equipment will not be measured and paid for separately, but shall be included in the Work. The flaggers shall be provided with electronic communication devices when required. These devices will not be measured and paid for separately, but shall be included in the Work. The cost of batteries, electricity and/or fuel for all lighting or warning devices shall not be paid for separately but shall be considered subsidiary to the item and shall be included in the Work. Sandbags will not be measured and paid for separately, but shall be included in the Work. The Contractor may provide larger construction traffic signs than those typically used in accordance with the MUTCD, if approved; however, no additional payment will be made for the larger signs. The City shall not be responsible for any losses or damage due to theft or vandalism. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Technical Specs Technical Specs - 48 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 SPECIAL CONDITIONS FOR WORK ON ARTERIALS AND COLLECTORS NOTE: Cross street traffic shall be maintained at all times unless authorized by the Engineer in writing. NOTE: Full closures on arterials and collectors, including those listed above, will be allowed under extreme circumstances and only upon approval by the Engineer and City Traffic Division. Plans shall be approved a minimum of one week prior to the commencement of work and/or the time required to adequately notify the public through the media. SPECIAL CONDITIONS FOR WORK ON RESIDENTIAL STREETS NOTE: Full closures on all residential streets shall be allowed as shown on the traffic control plans only if approved by the City Traffic Division. END OF SECTION P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid DocsTonstruction Specs\Technical Specs Technical Specs - 49 SUBGRADE INVESTIGATION AND PAVEMENT DESIGN FOR STREETS IN THE VICINITY OF KINARD JUNIOR HIGH SCHOOL FORT COLLINS, COLORADO Prepared for: CITY OF FORT COLLINS STREET OVERSIZING DEPARTMENT 281 North College Avenue P. O. Box 580 Fort Collins, Colorado 80521 Attention: Ms. Eileen Bayens Project No. FC03508-135 June 15, 2005 4001 Automation Way I Unit 2011 Fort Collins, Colorado 80525 Telephone:970-206-9455 Fax:970-206-9441 e TABLE OF CONTENTS SCOPE...........................................................................................................................1 SUMMARY OF CONCLUSIONS....................................................................................1 SITE CONDITIONS........................................................................................................2 PROPOSED CONSTRUCTION......................................................................................2 INVESTIGATION............................................................................................................ 2 SUBSURFACE............................................................................................................... 3 LABORATORY INVESTIGATION.................................................................................. 3 SUBGRADE PREPARATION.........................................................................................4 SOLUBLE SULFATES...................................................................................................6 PAVEMENTDESIGN.....................................................................................................6 PAVEMENT MATERIALS.............................................................................................. 8 CONSTRUCTION DETAILS.........................................................................................11 MAINTENANCE...........................................................................................................11 LIMITATIONS...............................................................................................................12 FIGURE 1 - LOCATIONS OF EXPLORATORY BORINGS FIGURE 2 - SUMMARY LOGS OF EXPLORATORY BORINGS FIGURE 3 THROUGH FIGURE 7 - GRADATION TEST RESULTS FIGURE 8 AND FIGURE 9 - SWELL TEST RESULTS FIGURE 10 - HVEEM STABILOMETER TEST RESULTS TABLE 1 - SUMMARY OF LABORATORY TEST RESULTS APPENDIX A - FLEXIBLE PAVEMENT AND RIGID PAVEMENT DESIGN CALCULATIONS APPENDIX B - FLY ASH STABILIZATION CONSTRUCTION RECOMMENDATIONS APPENDIX C - MATERIAL PROPERTIES AND CONSTRUCTION CHECKLIST APPENDIX D - GUIDELINE MAINTENANCE RECOMMENDATIONS CITY OF FORT COLLINS OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508.135 S:1FC03508.000113512. Report 11FC03508.135.rpLdoc SCOPE This report presents the results of our subgrade investigation and pavement design for the Zeigler Road widening from Shallow Pond Drive to Trilby Road, for Trilby Road from Zeigler Road to the southwest corner of the Kinard Junior High School site and for the Old Legacy Drive cul-de-sac. This investigation was to identify the type of subgrade soils under the proposed streets to be widened and paved and to send design pavement alternatives for paving the streets. We believe our report is in general conformance with Chapter 5 and Chapter 10 of the Larimer County Urban Areas Street Standards repealed and reenacted October 1, 2002, as adopted by the City of Fort Collins. Our report includes a description of the subgrade soils penetrated by our exploratory borings, laboratory test results, recommended alternative pavement sections and construction and materials guidelines. Our recommendations are based upon laboratory test results, discussions with the City of Fort Collins project design team, City of Fort Collins design criteria, the American Association of State Highway Transportation Officials (AASHTO) 1993 "Guide for Design of Pavement Structures". and our experience. SUMMARY OF CONCLUSIONS 1. Our borings penetrated 5 feet and 10 feet of loose to medium dense, clayey sands and occasional layers of stiff sandy clays to the maximum depth drilled of 10 feet. Bedrock was not penetrated in the ten borings. 2. Ground water was encountered between 5.5 feet and 7.5 feet in 7 of the ten borings. 3. The subgrade soils have medium to high swell potential and fair to poor subgrade support characteristics. Mitigation measures are discussed in this report. 4. Subgrade soils should be scarified a minimum of 8 Inches deep, moisture conditioned and compacted to at least 95 percent of Standard Proctor maximum dry density (AASHTO T 99). Sand soils should be moisture conditioned to 2 percent below to 2 percent CITY OF FORT COLLINS 1 OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508-135 S!1FC03508.00G1135V. Report 11FC03508-135.rpt.doc above optimum moisture content. Clay soils should be moisture conditioned to between optimum moisture content and 3 percent above optimum moisture content. 5. Pavement sections using asphaltic concrete pavement on prepared subgrade, asphaltic concrete pavement on compacted aggregate base course and concrete pavement are discussed in this report. SITE CONDITIONS Kinard Junior High School is located just outside of the southeastern corner of the City of Fort Collins. The Old Legacy Drive cul-de-sac is located on the northern boundary of the school site. Zeigler Road borders the eastern side of the school site and will be widened. Trilby currently ends at the intersection with Zeigler Road at the southeast corner of the school site. The alignment of the proposed stretch of Trilby Road is a cornfield with standing corn along the south side of the school site. PROPOSED CONSTRUCTION The proposed project includes the widening of about 750 feet of Zeigler Road from Shallow Pond Drive to Trilby Road, constructing about 1000 feet of Trilby Road from the Zeigler Road/Trilby Road intersection to the southwest corner of the Kinard .Junior High School site and paving the Old Legacy Drive cul- de-sac in Fort Collins, Colorado (see Figure 1). The stretch of Zeigler Road will be widened on its west side. A traffic control island is proposed at the Trilby Road intersection with Zeigler Road in Trilby Road. There is also a waterline planned along the south side of the Trilby Road right-of-way. INVESTIGATION Subsoils were investigated by drilling ten exploratory borings. Four borings were drilled to 10 feet in the proposed widening of Zeigler Road at approximate intervals of 200 feet, five borings were drilled to 10 feet for the Trilby Road construction at approximate intervals of 250 feet and one boring was drilled CITY OF FORT COLLINS 2 OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508.135 S:1FC03508.000113512. Report 11FC03508-135.rp[.doc U to 5 feet in the proposed Old Legacy Drive cul-de-sac. The boring locations are shown on Figure 1. The borings were drilled with a truck -mounted drill rig using 6-inch diameter continuous flight augers. Soils were sampled by driving a California sampler with a 140-pound hammer falling 30 inches and by collecting bulk samples from the auger cuttings. SUBSURFACE Our borings penetrated 5 feet to 10 feet of clayey sands. The sands were medium dense overlying looser sands. The sands were bedded with occasional thin layers of stiff, sandy clays. The clayey sands and sandy clays were moist to very moist. Bedrock was not encountered in the ten borings. We encountered ground water in 7 of the 10 borings from 5.5 feet to 7.5 feet. Summary logs of the borings, including results of field penetration resistance tests, are shown on Figure 2. LABORATORY INVESTIGATION The laboratory investigation for the pavement subgrade soils was designed to provide index properties, swell/consolidation characteristics, and subgrade support values for those soils that influence the pavement design. Index properties of the soils sampled were measured and the soils were classified according to AASHTO and the Unified Soil Classification System. The soils classified as follows: five samples were A-7-6, 4 samples were A-2-7 and one sample was A-2-6 according to the AASHTO classification. Nine of the samples were classified as clayey sands (SC) and one sample was classified as a sandy clay (CL) according to the Unified Soil Classification System. The samples had group indices ranging from 0 to 29. CITY OF FORT COLLINS 3OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03608.136 SAFC03508.0=13M2. Report 1%FC03508•136spt.do REVISED BID SCHEDULE ADDENDUM 1 Project: Ziegler Road and Kechter Road Roundabout - Includes Revised Line Items from Adendum #1 Date: 04/08/2006 spy ft. Number Da°eHpllon urd UNr Co M. Coat Ziegler Road and Kechter Road Roundabout Quantities: 202-01 Remove Pipe( RCP,CMP,PVC ) 76 LF 202-02 Remove Concrete Irrigation Structures & Inlet 3 EA 202-03 Remove Concrete Headwalls 2 EA 202-04 Remove Concrete Irrigation Ditch 165 LF 202-05 Pulverize Concrete Intersection (In Place) 1120 BY 202-06 Remove Pulverized Concrete (located under landscaped center median) 215 SY 202-07 Remove Vertical Curb & Gutter 1736 LF 202-08 Remove Concrete Radius and Spandrels 1614 SF 202-09 Remove Sidewalk 6518 SF 202-10 Remove Sidewalk Chase & Concrete Run Down 1 LS 202-11 Rotomill Asphalt Pavement - Full Depth (Approximately 7" - 10") and Stockpile 6707 SY 202-12 Rotomill Asphalt Pavement (2" Depth) 5706 SY 202-13 Saw Cut Asphalt or Concrete 229 LF 202-14 Remove 19" x 30" HERCP FES 6 EA 202-15 Remove Rip Rap 25 BY 202-16 Remove Barbed Wire Fence 515 LF 202-17 Remove and Replace Existing Wood Fence 2 EA 202-18 Clean Culvert 1 EA 202-19 Remove and Relocate Gate Posts 1 LS 202-20 Remove Existing Trees, Shrubs and Landscape Treatment 1 LS 203-01 Clearing & Grubbing 1 LS 203-02 Remove Existing Sod 7713 SF 203-03 Unclassified Excavation 2508 CY 203-04 Embankment 4493 CY Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 SECTION 01310 CONSTRUCTION SCHEDULES 1.1 GENERAL A. The contractor shall prepare a detailed schedule of all construction operations and procurement after review of tentative schedule by parties attending the pre -construction conference. This schedule will show how the contractor intends to meet the milestones set forth. 1. -No work is to begin at the site until Owner's acceptance of the Construction Progress Schedule and Report of delivery of equipment and materials. 1.2 FORMAT AND SUBMISSIONS A. Prepare construction and procure schedules in a graphic format suitable for displaying scheduled and actual progress. B. Submit two copies of each schedule to Owner for review. 1. Owner will return one copy to Contractor with revisions suggested or necessary for coordination of the Work with the needs of Owner or others. 2. The contractor will be required to submit a weekly progress schedule showing work to be completed, labor, equipment, work hours and methods of construction for the up coming week. This schedule will be required every Thursday in a daily calendar format. C. The schedule must show how the street, storm sewer, concrete and paving work will be coordinated. 1.3 CONTENT A. Construction Progress Schedule. 1. Show the complete work sequence of construction by activity and location. 2. Show changes to traffic control. 3. Show project milestones. B. Equipment, Materials and Submittals schedule. 1. Show delivery status of critical and major items of equipment and materials. 2. Include a critical path schedule for Shop Drawings, tests, and other submittal requirements_ for equipment and materials, reference Section 01340. 1.4 PROGRESS REVISIONS A. Submit revised schedules and reports at weekly project coordination meetings when changes are foreseen, when requested by Owner or Engineer, and with each application for progress payment. B. Show changes occurring since previous submission. 1. Actual progress of each item to date. 2. Revised projections of progress and completion. C. Provide a narrative report as needed to define: 1. Anticipated problems, recommended actions, and their effects on the schedule. 2. The effect of changes on schedules of others. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 7 The samples tested had liquid limits ranging from 22 percent to 41 percent and plasticity indices from 23 percent to 36 percent. The samples had 24 percent to 81 percent silt and clay -sized particles (passing the No. 200 sieve) with the majority of the samples having between 33 percent and 48 percent. A Hveem Stabilometer test (R-value) (ASTM D 2844, AASHTO T 190) was performed on the sample of clays (A-7-6) because it was judged to be the poorest sample and an R- value of 15 (see Figure 10) was obtained. We tested three samples in our swell/consolidation apparatus. The samples were lightly loaded to 150 psf, flooded with water and allowed to swell or consolidate. Test results indicated medium swell for the A-2-7 soils (1.3 percent) and high for the A-7-6 soil (2.1 percent). Swell test results are presented on Figure 8 and Figure 9. Based on the swell test data, Atterberg limits, visual observations of the soils and our experience, we judge the swell potential of subgrade soils to be high, using the Larimer County Urban Area Street Standards. Laboratory test results are presented on Figure 3 through Figure 10 and summarized in Table I. SUBGRADE PREPARATION The subgrade soils under the Zeigler Road widening, Trilby Road construction and Old Legacy Drive cul-de-sac are medium to high swell potential. Soils with this swell potential will require mitigation per the Urban Area Street Standards. Mitigation measures include over excavation and replacement with non -expansive or low -expansive material or chemical treatment such as mixing the on -site soils with fly ash (preferred by Street Oversizing Department). Lime and cement are also mixed with on -site soils to provide mitigation. Finally, sub drains have proved effective. Drains, if selected as part of the mitigation treatment, should be designed as required by the Larimer County Urban Area Street Standards. CITY OF FORT COLLINS 4 OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508-135 S.IFC03508.000113M. Report 11FC03508-13S.rpt.doc Should the over -excavation and replacement measure be selected we believe the depth should be of the order of 2.5 feet below rough subgrade elevation for the street widening and street construction proposed for this project. Should the chemical treatment measure be selected we believe the depth should be 1 foot below rough subgrade elevation for the street widening and street construction for this project. Subgrade (the subgrade would be non -expansive or low -expansive material if over -excavation mitigation measure is selected) immediately below the pavement section (not applicable if chemical treatment mitigation is selected) should be scarified a minimum of 12 inches deep, moisture conditioned to between 2 percent below and 1 percent above optimum moisture content and compacted to at least 95 percent of standard maximum dry density (ASTM D 698). Scarification and re -compaction of the upper 12 inches of subgrade soils should occur as close to the time of pavement construction as possible. The final subgrade surface must be protected from freezing and from excessive drying or wetting until such time as the pavement section is constructed. If chemical treatment is chosen for mitigation or stabilization, it should be done as close to the time of pavement construction as possible to avoid damage to the finished surface. On -site soils substantially free of trash, debris, organics or other deleterious materials are suitable for re -use as fill. Imported fill should consist of soils with properties similar or better than the on -site soils. Samples of the proposed fill should be submitted to our office for approval prior to importing to the site. A representative of our firm should observe placement and test compaction of fill. Proper grading and drainage and maintaining moisture contents near optimum will be critical to avoid excessive deflections, rutting and pumping of the roadway during subgrade preparation. If moisture and density cannot be sufficiently controlled during subgrade preparation and stabilization is required, stabilization by removal and replacement or stabilization using geotextile fabrics CITY OF FORT COLLINS 5 OLD LEGACY DRAM CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508-135 39FC03508.000113512. Report 11FC035D8.135.rpt.doc and/or imported granular and rock materials may be used. For isolated or small areas requiring stabilization, removal and replacement or "crowding" angular, coarse aggregate into the subgrade may be effective. SOLUBLE SULFATES Water-soluble sulfate (SO4) concentrations were measured for two samples of the near -surface subgrade soils to determine the risk of exposure to sulfate attack where portiand cement concrete is used and to assess the risk of increased swelling due to reaction to chemical stabilization. Concentrations of 0.01 and 0.12 percent were measured. These results indicate Class 0 (formerly "negligible") and Class I (formally "moderate") exposure to sulfate attack on concrete (e.g. curb and gutter or pavements) according to the American Concrete Institute (ACI). These results also indicate low risk of increased swelling due to reaction from chemical stabilization. ACI recommends Type II cement be used in concrete with moderate exposure to sulfate attack. For this site, Type II cement should be used in concrete. The water-cementitious material ratio should be 0.50 or less. ACI also recommends concrete in Class I exposure environments have a minimum compressive strength of 4000 psi. PAVEMENT DESIGN We used the AASHTO design method in accordance with the City of Fort Collins requirements. The City of Fort Collins designated Zeigler Road as a two lane arterial that should be designed for an Equivalent Daily Load Application (ESLA) value of 125 (912,500 ESAL) Trilby Road as an industrial/commercial collector that should be designed for an EDLA value of 100 (730,000 ESAL) and the Old Legacy Drive cul-de-sac as residential single lane that should be designed for an EDLA value of 10 (73,000 ESAL). CITY OF FORT COLLINS 6 OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508-135 S:1FC03508.000113512. Report AFC03508.135.rpt.00C Using the traffic loading specified we calculated the design pavement sections shown below. Provided are alternatives for asphalt on aggregate base course, asphalt on aggregate base course on fly ash stabilized subgrade and portland cement concrete on a fly ash stabilized subgrade. Pavement section calculation worksheets are included in Appendix A. The strength of the fly ash stabilized subgrade was ignored in our pavement section calculations for the sections shown in the following table. PAVEMENT SECTIONS • < , u is jffi�lgul11.1 Ba BFial+t (A�Cc 10 aft -�, itNox x 9 ..'A! (eeC e ,«ram Zeigler Road from Shallow Pond Drive 6" AC + 6" ABC 8" AC + 6" ABC + 12" FASS 8.5" PCCP 4.09 to Trilby Road Trilby Road from Zeigler Road to Southwest corner 7" AC + 6" ABC 7" AC + 6" ABC + 12" FASS 6" PCCP 3.76 of Kinard Junior High School Site Old Legacy Drive 4.5" AC + 4.5" AC + 6" ABC + 12" 5" PCCP 2.55 cul-de-sac 6" ABC FASS We recommend a pavement section consisting of 8 inches of asphaltic concrete (AC) and 6 inches of compacted aggregate base course (ABC) over 12 inches of fly ash stabilized subgrade (FASS) (see Appendix B) for the Zeigler Road widening, a pavement section of 7 inches of asphaltic concrete (AC) and 6 inches of compacted aggregate base course over 12 inches of fly ash stabilized subgrade (FASS) for"the Trilby Road construction and a pavement section consisting of 4.5 inches of asphaltic concrete (AC) and 6 inches of compacted aggregate base course (ABC) over 12 inches of fly ash stabilized subgrade (FASS) for the Old Legacy Drive cul-de-sac. We believe these are reasonable design alternatives and appear to be required for swelling soil mitigation by the City regulations in the light of the swelling soil subgrade indicated by our laboratory investigation. CITY OF FORT COLLINS 7 OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508-135 SAFC03508.00011 M. Report 11FC035a8.135.rpt.dac Installation of a geotextile fabric (Mirafi 50OX or equal) between the subgrade and the base course could be used if the fly ash stabilized subgrade is not. Such an application of fabric increases the performance of the pavement because it prevents the subgrade and base course from mixing which can happen over the design life of the pavement section, especially in areas where higher volumes of automobile traffic are expected. If subgrade stabilization due to soft or loose soils is required, overexcavation and replacement with coarse, granular soil such as pit run gravel, use of geotextiles or geogrids, or chemical stabilization such as fly ash typically perform well in soil environments similar to those we encountered at this site. Chemical stabilization techniques have weather and temperature limitations that should be considered. PAVEMENT MATERIALS Material properties and construction criteria for the pavement alternatives are provided below. These criteria were developed from analysis of the field and laboratory data, our experience and City of Fort Collins requirements. If the materials cannot meet these recommendations, then the pavement design should be reevaluated based upon available materials. All materials and construction requirements of the City of Fort Collins should be followed. All materials planned for construction should be submitted and the applicable laboratory tests performed to verify compliance with the specifications (see Appendix C). Asphaltic Concrete (AC) 9. Hot mix asphalt should be composed of a mixture of aggregate, filler, hydrated lime, and asphalt cement. Some mixes may require polymer modified asphalt cement, or make use of reclaimed asphalt pavement (RAP). A job mix design is recommended and periodic checks on the job site should be made to verify compliance with specifications. CITY OF FORT COLLINS 8 OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508-135 5:1FC03508.0001135M Report 11FC03508.135.rpt.doc - 2. Hot mix asphalt should be relatively impermeable to moisture and should be designed with crushed aggregates that have a minimum of 80% of the aggregate retained on the No. 4 sieve with two mechanically fractured faces. 3. Gradations that approach the maximum density line (within 5% between the No. 4 and 50 sieve) should be avoided. A gradation with a nominal maximum size of 3/4 or 1/2 inches developed on the fine side of the maximum density line should be used. 4. Total void content, voids in the mineral aggregate (VMA) and voids filled should be considered in the selection of the optimum asphalt cement content. The optimum asphalt content should be selected at a total air void content of approximately 4%. The mixture should have a minimum VMA of 14% and between 65% and 80% of voids filled. 5. Asphalt cement should meet the requirements of the Superpave Performance Graded Binders (PG). The minimum performing asphalt cement should be PG 64-22 for use along the Front Range. The use of PG 58-28 or PG 58-22 asphalt cement has been known to cause tenderness in pavements in the Front Range area and should be avoided. 6. If used, hydrated lime should be added at the rate of 1% by dry weight of the aggregate and should be included in the amount passing the No. 200 sieve. Hydrated lime for aggregate pretreatment should conform to the requirements of ASTM C 207, Type N. 7. We recommend paving only be performed when subgrade temperatures are above 40°F and air temperature is at least 40°F and rising. 8. Hot mix asphalt should not be placed at a temperature lower than 245'F for mixes containing PG 64-22 asphalt, and 290°F for mixes containing polymer modified asphalt. The breakdown compaction should be completed before the mixture temperature drops 20°F. 9. The maximum compacted lift should be 3.0 inches and joints should be staggered. No joints should be placed within wheel paths. 10. Asphalt concrete should be compacted to between 92 and 96 percent of maximum theoretical density. The surface shall be sealed with a finish roller prior to the mix cooling to 1850F. 11. Placement and compaction of hot mix asphalt should be observed and tested by a representative of our firm. Placement should not commence until the subgrade is properly prepared (or stabilized), observed, and proof -rolled. CITY OF FORT COLLINS OLD LEGACY DRIVE CUL-DE-SAC, 9 ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508-135 5:1FC03508.000113512. Report 11FC03508.135xptdo0 Aggregate Base Course (ABC) 1. A Class 5 or 6 Colorado Department of Transportation (CDOT) specified aggregate base course should be used. A recycled concrete alternative, which meets the Class 5 or 6 designations, is also acceptable. 2. Aggregate base course should have a minimum Hveem stabilometer value of 77. Aggregate base course or recycled concrete material must be moisture stable. The change in R-value from 300 psi to 100 psi exudation pressure should be 12 points or less. 3. If used, geotextile fabric (Mirafi 500x or equivalent) should be placed over the approved subgrade within 24 hours prior to placement of aggregate base course or recycled concrete. Fabric should be rolled out longitudinally with minimum overlapped seams of 2.5 feet. No wrinkles should be permitted. 4. Aggregate base course or recycled base course should be placed in thin lifts not to exceed 8 inches, moisture treated to within 2% of optimum moisture content, and compacted to at least 95% of standard Proctor maximum dry density (ASTM D 698, AASHTO T 99). 5. Placement and compaction of aggregate base course or recycled concrete should be observed and tested by a representative of our firm. Placement should not commence until the underlying subgrade is properly prepared and observed. Prepared Subgrade 1. Subgrade should be stripped of organic matter, scarified, moisture treated, and compacted. 2. Cohesive soils (A-6 to A-7-6) should be moisture conditioned between optimum to 2% above optimum moisture content and compacted to at least 95% of maximum standard Proctor dry density (ASTM D 698, AASHTO T 99). 3. Granular soils (A-1 to A-5) should be moisture conditioned between 2% below to 1% above optimum moisture content and compacted to at least 95% of maximum standard Proctor dry density (ASTM D 698, AASHTO T 99). 4. Final grading of the subgrade should be carefully controlled so the design cross -slope is maintained and low spots in the subgrade that could trap water are eliminated. CITY OF FORT COLLINS OLD LEGACY DRIVE CUL-DE-SAC, 1 Q ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508-135 &TC03508.000113M. Report 11FC03508-135spt.doc 5. Once final subgrade elevation has been reached and the subgrade compacted and observed, the area should be proof -rolled with a pneumatic tired vehicle loaded to at least 18 kips per axle. The proof -roll should be performed while moisture contents of the subgrade are still within the recommended limits. Drying of the subgrade prior to proof -roll or paving should be avoided. Areas of soft or wet subgrade should be remedied. CONSTRUCTION DETAILS The design of a pavement system is as much a function of the quality of the paving materials and construction as the support characteristics of the subgrade. The construction materials are assumed to possess sufficient quality as reflected by the strength coefficients used in the flexible pavement design calculations. These strength coefficients were developed through research and experience to simulate expected material of good quality, as explained herein. During construction careful attention should be paid to the following details: • Placement and compaction of trench backfill. • Compaction at curb lines and around manholes and water valves. • Excavation of completed pavements for utility construction and repair. • Moisture treating or stabilization of the subgrade to reduce swell potential. • Design slopes of the adjacent ground and pavement to rapidly remove water from the pavement surface. MAINTENANCE We recommend a preventive maintenance program be followed for all pavement systems to assure the design life can be realized. Choosing to defer maintenance usually results in accelerated deterioration leading to higher future maintenance costs, and/or repair (See Appendix D). CITY OF FORT COLLINS 11 OLD LEGACY DRIVE CUL-DESAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508.136 S.%FC03508.0001135U. Report 17C03500-135.rpt.doc LIMITATIONS The pavement and construction recommendations are based upon our field observation and testing, minimum traffic levels, and design criteria required by the City of Fort Collins and the AASHTO design methods. The design procedures were formulated to provide sections with adequate structural strength. Routine maintenance, such as sealing and repair of cracks, is necessary to achieve the long-term life of a pavement system. If the design and construction recommendations cannot be followed, or anticipated traffic loads change considerably, we should be contacted to review the recommendations. We believe the geotechnical services for this project were performed in a manner consistent with that level of care and skill ordinarily used by members of the profession in the locality of the project. No warranty, express or implied, is made. If we can be of further service in discussing the contents of this report, or in the analyses of the proposed pavement systems from a geotechnical point of view, please call. CTL I THOMPSON, INC. John J. Boulden, EIT Staff Engineer Reviewed by: Frank J. Holliday, PE, CCE Senior Consultant JJB:FJH:biy (6 copies sent) CITY OF FORT COLLINS ,� .l OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL l T PROJECT NO, FC03508-135 S:1FC035DB.00D13512. Report AFCB3508.135,rplAw IS SCALE: NOT TO SCALE SHALLOW POND DRIVE • TH-10 TH-3 TH-2 TH-1 TH-6 TH-5 TH-7 TRILBY TH-8 OAD LEGEND: TH-1 INDICATES APPROXIMATE APPROXIMATE LOCATION OF EXPLORATORY BORINGS CITY OF FORT COLLINS OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD, TRILBY ROAD CTL I T PROJECT NO. FC03508-135 VICINITY MAP (FORT COLLINS AREA) NOT TO SCALE O tr ry w J C7 w_ N TH-4 Locations of Exploratory Borings CA FIGURE f Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 1.5 OWNER'S RESPONSIBILITY A. Owner's review is only for the purpose of checking conformity with the Contract Documents and assisting the Contractor in coordinating the Work with the needs of the Project. B. It is not to be construed as relieving Contractor from any responsibility to determine the means, methods, techniques, sequences and procedures of construction as provided in the General Conditions. END OF SECTION PAStreet Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\Genernl Reqs General Reqs. - 8 ZEIGLER ROA^v TRILBY ROAD - _--- O ACY� DRIVE I TH3 TH2 TH1 TH4 TH5 THIS TH7 TH8 TH9 TH10 0 0 i 1 - 2 12/12 12/12 12/12 12M2 6112 13/12 IV12 5112 6/12 11112 2 J 3 3 — 4 B/12 ail - 5112 3/12 5/12 7/12 4/12 2/12 N12 5/12 4 Iw 5 5 x Y u iw 6 w y01. 7 $Zol- 7 r 4 0 8 8 9 ', 10/12 '. 10/12 '. 5H2 '. 2112 ', 2/12 '- 6112 '- 1/12 '. 23/12 '. 16/12 9 �I 11 11 - 14 12 LEGEND: SAND, CLAYEY, LOOSE TO MEDIUM DENSE, MOIST TO WET, BROWN TO DARK BROWN (SC) DRIVE SAMPLE. THE SYMBOL 12112 INDICATES 12 BLOWS OF A 140-POUND HAMMER FALLING 30 INCHES WERE REQUIRED TO DRIVE A 2.5-INCH O.D. SAMPLER 12 INCHES. S WATER LEVEL MEASURED AT TIME OF DRILLING. 6 a Iry aR FORT wows M LER R crave. Noce sAN. 7y ¢IDERROADON GANOTRILBY RQ90 CTLITPROJECT H0. FC0]SOL1]5 O NOTES: 1. THE BORINGS WERE DRILLED ON MAY 24,2005, USING 6-INCH DIAMETER CONTINUOUS -FLIGHT AUGER AND A TRUCK -MOUNTED DRILL RIG. p THESE LOGS ARE SUBJECT TO THE EXPLANATIONS, LIMITATIONS AND CONCLUSIONS IN THIS REPORT. SUMMARY LOGS OF EXPLORATORY BORINGS FIGURE 2 I HYDROMETER ANALYSIS SIEVE ANALYSIS 25 HR. 7 HR. TIME READINGS U.S STANDARD SERIES CLEAR SQUARE OPENINGS 45 MIX 15 MIN- 60 MIN. 19 MIN. 4 MIN. 1 MIN. -2W *1 DD '50 '40 W *118 11018 "4 W 314" 1W 3* TV' W 10D D 90 10 20 ID 70 53 30 < 60 40 w 50 so ILI TF- 40 ------ 0`-- F— 160 30 20 '80 10 go 0 001 inn 0002 1005 .009 .019 .037 .074 .149 297 590 1.19 2.0 38 4.78 952 191 36.1 76.2 127 200 0.41 2 152 DIAMETER OF PARTICLE IN MILLIMETERS I CLAY (PLASTIC) TO SILT (NON -PLASTIC) I SANDS GRAVEL �COBBLES FINE I MEDIUM ICOARSE I FINE I COARSE �l Sample Of SAND, CLAYEY (SC) GRAVEL 3 % SAND 59% From 7H 9 AT 0-5 FEET SILT & CLAY 38 % LIQUID LIMIT 41 % PLASTICITY INDEX 28 % I HYDROMETER ANALYSIS I SIEVE ANALYSIS 25 HR 7 HR. TIME READINGS U.S. STANDARD SERIES CLEAR SQUARE OPENINGS 46 MIN. 15 MIN. 60 MIN, 19 MIN. 4 MIN, I MIN. '200 1100 '50 '40 30 ls -10-8 *4 3/8" 3w iW, X U.S. W 100 0 90 -1-- ....... 10 00 j 7. .......... .. ....... -F-20 (2 70 7 60 j- 77 40 w 50 40 50 AL2 30 70 -7- - ---- - 10 7 90 0 700 Doi 0002 Cos 009 019 037 074 149 297 590 119 20 238 476 952 191 361 752 127 200 042 152 DIAMETER OF PARTICLE MMiLLIMETERS CLAY [PLASTIC) TO SILT (NON -PLASTIC) I SANDS i GRAVEL FINE I MEDIUM ICOARSE l FINE I COARSE COBBLES I Sample of SAND, CLAYEY (SC) GRAVEL 1 % SAND 75% From 'TH 2 AT 0-6 FEET SILT & CLAY 24% LIQUID LIMIT —48% PLASTICITY INDEX 32 % Gradation Test Results FIG. 3 Z=Zm= Ir CTL I T PROJECT NO. FC03508-135 HYDROMETER ANALYSIS I SIEVEANALYSIS 25 HR. 7 HR TIME READINGS U S. STANDARD SERIES CLEAR SQUARE OPENINGS 45 MIN, 15 MIX 60 MIN. 19 MIN. 4 MIN. 1 MIN. '200 '100 '60 '40 '30 '16 110'8 '4 318" 3M" 1Y." 3" 5"8" S' 100 1 10 90 10 0 I z 80_._.�..._.�__ w --� 40 K 30 70 20 — -- 80 10 — — — — 90 0 .001 0.002 .005 .009 .019 .037 .074 .149 .29704�590 IA9 2.02.30 4.76 0.52 19.1 36.1 76-2 12132200 DIAMETER OF PARTICLE IN MILLIMETERS Inn CLAY (PLASTIC) TO SILT (NON -PLASTIC) SANDS FINE MEDIUM COARSE GRAVEL FINE COARSE COBBLES Sample of SAND, CLAYEY (SC) GRAVEL 7 % SAND 60% From TH 9 AT 0-5 FEET SILT & CLAY 33 % LIQUID LIMIT _ 39 % PLASTICITY INDEX Q3 % HYDROMETER ANALYSIS I SIEVE ANALYSIS. 25 HR 7 HR. TIME READINGS U.S. STANDARD SERIES CLEAR SQUARE OPENINGS 45 MIN. 15 MIN. 60 MIN. 19 MIN. 4 MIN. 1 MIN. '200 '100 '50 '40 '30 '16 '10 '8 4 311T 314' 1'b' Y. 516" e" 100 0 90 80 20 Z 70 Ar- Qa 80 r- _. ... i 40 w U 50 a 40 30 20 80 10 90 _ 001 0 002 005 009 019 037 074 149 297 590 1 19 20 2.38 4 76 9 52 191 361 762 127 200 OA2 52 DIAMETER OF PARTICLE IN MILLIMETERS Sample of SAND, CLAYEY (SC) From TH 4 AT 0-5 FEET GRAVEL 1 % SAND 86 SILT &CLAY 33 % LIQUID LIMIT 42 PLASTICITY INDEX 29 Gradation Test R@Sl1ltS FIG.4 CTL I T PROJECT NO. FC03508-135 I HYDROMETER ANALYSIS I SIEVE ANALYSIS 26 MR, 7 HR- TIME READINGS U.S. STANDARD SERIES CLEAR SQUARE OPENINGS 45MIN. ISMIN. 60MIN. 19MIN. 4MIN. 1 MIN. 100 1100 *50 '40 '30 116 *10 *8 *4 aw. alIV Iw T, W1611 W 100 :-�_ 0 ------ ------ - 90 so 20 + 70 fO 30 w 60 40 z w 50 SO w L) 40 w 30 20 60 10 go 0 .001 0.002 .005 D09 .019 037 074 .149 .297 69D 1,19 ZD 2.38 *76 9.52 19.1 36.1 76,2 127 200 0.41 162 DIAMETER OF PARTICLE IN MILLIMETERS CLAY (PLASTIC) TO SILT (NON -PLASTIC) SANDS GRAVEL FINE I MEDIUM ICOARSE I FINE I COARSE Sample Of SAND, CLAYEY (SC) GRAVEL 0 % SAND 52% From 71A 9 AT 0-5 FEET SILT & CLAY 48 % LIQUID LIMIT 46% PLASTICITY INDEX 2970o I HYDROMETER ANALYSIS I SIEVE ANALYSIS 25 HR. 7 HR, TIME READINGS U.S. STANDARD SERIES CLEAR SQUARE OPENINGS 45 MIN. 15 MIN, 60 MIN. 19 MIN. 4 MIN. I MIN. -260 -100 *50 *40 '30 *18 110 Is *4 318' 314" 1W &I 5.16P. III 100 1 i 0 90 so (0 70 4- -7 z 15 30 60 7777 7_ :77a"_= �j7-- 40 40 �SKT 30 70 20 80 -7 0 001 0002 005 009 citj 037 074 149 297 590 1 19 2 0 2 38 4 76 q 52 191 36 1 762 127 203 042 152 DIAMETER OF PARTICLE IN MILLIMETERS CLAY (PLASTIC) TO SILT (NON -PLASTIC) SANDS GRAVEL FINE I MEDIUM JCOARSE I FINE COARSE COBBLES Sample of -CLAY, SANDY (CL) From . TH 6 AT 0-5 FEET GRAVEL 0 % SAND 19% SILT & CLAY 81 % LIQUID LIMIT 51 % PLASTICITY INDEX 36% Gradation Test Results FIG. 5 CTL I T PROJECT NO. FC03508-135 HYDROMETER ANALYSIS SIEVE ANALYSIS 25 HR. 7 HR. T64E READINGS U.S. STANDARD SERIES CLEAR SQUARE OPENINGS 45 MIN. ISMIN. SO MIN. 19 MIN. 4 MIA. i MIN. '200 '100 '50 '40 '30 is '10 'S '4 3w, 3W W, 3" S'S" e" 1DO 0 90 10 20 270 30 a 40 w z r 60 w so60 20 Do — 10 . 90 .001 0.002 .00S .009 .019 m7 .074 .149 .297 590 1.19 2.0 2.38 4.76 %52 19.1 36,1 76.2 127 200 0.42 152 DIAMETER OF PARTICLE IN MILLIMETERS CLAY (PLASTIC) TO SILT (NON -PLASTIC) SANDS GRAVEL FINE MEDIUM 1COARSEI FINE I COARSE I COBBLES Jample of SAND, CLAYEY (SC) _ GRAVEL 0 % SAND 66 % From TH 9 AT 0-5 FEET SILT & CLAY 34 % LIQUID LIMIT 44 % PLASTICITY INDEX HYDROMETER ANALYSIS SIEVE ANALYSIS. 25 HR. 7 HR. TIME READINGS U.S. STANDARD SERIES CLEAR SQUARE OPENINGS 45 MIN. ISMIN. SO MIN. 19 MIN. 4 MIN. 1 MIN. '200 '100 '50 '4D '30 16 10'e '4 W 3W 135' 7" 516" S" 10 so _. ._.l , zD to 7p _ _ Z - --r _ —� _ _ _ 30 z SO � __ ..T. ... ..— _..'(�.-. ; ... '___...—y _._._ _._..,_ .. ._/..�. J.—t_ -�__�-1_-' 40 50 W 40 _._' �' ` _...__---t- . _-.•--___�_ 1 .. _�. =__' _� A.rc L�_�1-'1^—... �.C.SCll7IT:L.IJ _ t.._-A� �. J..___ .�_i 50 O 20 so -- -- 9D ��_ l.�_.__27 100 001 0.002 005 009 019 037 074 149 297 690 1 19 2.0 238 476 952 19 1 36 1 76 2 , 200 042 52 DIAMETER OF PARTICLE IN MILLIMETERS CLAY (PLASTIC) TO SILT (NON -PLASTIC) SANDS GRAVEL FINE MEDIUM COARSE FINE COARSE C00BLES SamPle of SAND, CLAYEY (SC) GRAVEL 0 % SAND 64 From TH 8 AT 0-5 FEET SILT & CLAY 36 % LIQUID LIMIT 47 % PLASTICITY INDEX 32 "/o Gradation Test Results FIG.6 ir CTL I T PROJECT NO. FC03508-135 I HYDROMETER ANALYSIS SIEVE ANALYSIS 25 HR. 7 HR. TIME READINGS U.S. STANDARD SERIES CLEAR SQUARE OPENINGS 45 MIN. 15 MIN. 60 MIN. 19 MIN 4 MIN, I MIN. '200 *100 '50 '40 '30 .16 .10.8 -4 3W 314' T, &V a" 100 90 10 80 — ----- 0 70 --- ---- z 55 30 w 260 40 w 50 50 w 60 30 70 20 80 10 0 .001 0.002 .Og6 W9 019 .037 .074 .149 297 M 1.19 2Z 238 4.76 9.52 19.1 36.1 76 2 12752 200 0.421 DIAMETER OF PARTICLE IN MILLIMETERS CLAY (PLASTIC) TO SILT INON-PLASTIC) SANDS GRAVEL �j =CO2B�LES FINE MEDIUM COARSE I= FINE COARSE Sample of SAND, CLAYEY (SC) GRAVEL 0 % SAND 56% From 7H 9 AT 0-5 FEET SILT & CLAY 44% LIQUID LIMIT 43% PLASTICITY INDEX —28 % I HYDROMETER ANALYSIS I SIEVE ANALYSIS 1 25 HR. 7 HR. TIME READINGS U.S. STANDARD SERIES CLEAR SQUARE OPENINGS 45 MIN, 15 MIN. 60 MIN. 19 MIN. 4 MIN. I MIN. -200 *100 150 140,30 *16 *10 *8 *4 star, 3/4' IW' r 5"61 0* 100 go 10 so 20 70 30 80 ------ �_= 40 50 40 50 I j 30 7777—, 70 20 7 so 10 7_7 0 100 001 0002 Cos 606 019 037 074 149 297 590 119 2.0236 476 9$2 191 361 762 127 200 0 41 152 DIAMETER OF PARTICLE IN MILLIMETERS CI -Ay IPLASTICI TO SILT (NON -PLASTIC) SANDS GRAVEL =COBBLES FINE MEDIUM ICOARSE I FINE COARSE ; Sample Of SAND, CLAYEY (SC) From -fH 10 AT 0-5 FEET GRAVEL 0 % SAND 69% SILT & CLAY 31 % LIQUID LIMIT 43 % PLASTICITY INDEX 29 % Gradation Test Results FIG. 7 CTL I T PROJECT NO. FC03508-135 3 2 Z 0 O W z Q a -, x w 0 z -2 0 to 47 -3 a O U 4 DUE TO 0.1 1.0 10 100 APPLIED PRESSURE - KSF Sample of SAND, CLAYEY (SC) NATURAL DRY UNIT WEIGHT= 103 PCF From TI-12- AT 2 FEET NATURAL MOISTURE CONTENT= 22.6 % 3 PA TO z O a N z Q x -s W 0 z 0 -2 w Of -3 a O U -a 01 10 10 100 APPLIED PRESSURE - KSF Sample of CLAY, SANDY (CL) NATURAL DRY UNIT WEIGHT= 102 PCF From TH6- AT 2 FEET NATURAL MOISTURE CONTENT= 22.9 % Swell Consolidation Test Results FIG. 8 CTL I T PROJECT NO. FC03508-135 OLD LEGACY CUL-DE-SAC K1 2 u 2 0 O y Z a a -t x W 0 z -2 O Uj W W -3 a O V DUE TO 0.1 1.0 10 APPLIED PRESSURE -KSF Sample Of SAND, CLAYEY (SC) NATURAL DRY UNIT WEIGHT= From TH10- AT 2 FEET NATURAL MOISTURE CONTENT= 3 2 M Z O 0 N Z a X •t X W e10 Z O -2 N fA W W -3 a 2 O U .q 0.1 APPLIED PRESSURE -KSF Sample of From 10 10 S00 108 PCF 18.9 % 100 NATURAL DRY UNIT WEIGHT= PCF NATURAL MOISTURE CONTENT= % Swell Consolidation Test Results FIG. 9 ki CTL I T PROJECT NO. FC03508-135 OLD LEGACY CUL-DE-SAC rn n. w uj w a z O F= X w 900 800 700 600 500 400 300 200 100 a = I'I ....'_------- -------- ----------- - -------°......-- ..------------ -------....... ---------------- ----- Group Number AASHTO Classification A-7-6 L iquid Limit 51 - - -- Plasticity Index 36 ---------------- --------------- --------------- ------- ------ = --1._. - ---.... I DeR sign Valua 15 --------------- I --------- ------- - ----------- ---- ----- .. - ------ - -- - - .. -_.................... ----- ----- --` I, , ------ --- -- - = - - ----- • ------ --------------- ------- --------------- ---- --- , , --------- --------------`------- i --------`------- i ----- ---- - ------- -------------- - -------------- - �----......_ i---------------- ... ' -------' .................. -' ------ ----- f. - -- --- -- I, --- --- _.:_. . ---------� --------- -- - --------- - - - - -' - i- -- ------------� ----- f- --- --- ..... ; ! - -- --- --- - --- -------- ---..... 0 10 20 30 40 50 60 70 80 90 "R" VALUE CTL I T PROJECT NO. FC03508-135 Hveem Stabilometer Test Results Fig. 10 TABLE I SUMMARY OF LABORATORY TEST RESULTS u NATURAL SWELL TEST DATA ATTERBERG LIMITS AASHTO CLASSIFICATION GROUP INDEX SOLUBLE PASSING Boring DEPTH NATURAL DRY SWELLI APPLIED LIQUID I PLASTICITY SULFATES NO.200 SOIL TYPE MOISTURE DENSITY 1PRESSURE LIMIT I INDEX SIEVE (FEET) N PCF % PS TH1 0-5 18.6 41 28 A-7-6 5 38 SAND, CLAYEY SC TH2 2 22.6 103 1.3 150 SAND, CLAYEY SC TH2 0-5 21.4 48 32 A-2-7 0 0.01 24 SAND, CLAYEY SC TH3 0-5 18.5 39 23 A-2-6 2 33 SAND CLAYEY SC TH4 0-5 16.8 42 29 A-2-7 3 33 SAND, CLAYEY SC TH5 0-5 19.2 46 29 A-7-6 9 0.12 48 SAND, CLAYEY SC TH6 2 22.9 102.2 2.1 150 CLAY SANDY CL TH6 0-5 16.8 51 36 A-7-6 29 81 CLAY, SANDY CL TH7 0-5 20.6 44 30 A-2-7 4 34 SAND, CLAYEY SC THS 0-5 20.5 47 32 A-7-6 5 36 SAND, CLAYEY SC TH9 0-5 21.8 43 28 A-7-6 7 44 SAND, CLAYEY SC TH10 2 18.9 108 1.3 150 1 ISAND, CLAYEY SC TH10 1 0-5 17.6 43 29 A-2-7 2 1 31 ISAND, CLAYEY SC CTL 1 T PROJECT NO, FC3508-135 Page 1 of 1 Ziegler Road / Kechter Road Roundabout Project SECTION 01330 SURVEY DATA 1.1 SURVEY REQUIREMENTS Date: March 8, 2006 A. The Owner will not provide the construction surveying for the Project. The Contractor will be responsible to provide the surveying required on this project. B. The Owner will make the projects CAD drawings available to the Contractor upon request. C. If the requested surveying cannot be accomplished in the time frame requested by the Contractor, the, survey personnel shall notify the contractor with the date on which the requested work will be completed. D. Should a sudden change in the Contractor's operations or schedule require the survey personnel to work overtime, the Contractor shall pay the additional overtime expense. E. The Contractor shall protect all survey monuments and construction stakes. If it is unavoidable to remove a survey monument or construction stakes, the Contractor is responsible for notifying the Surveyor and allowing enough time for the monuments or stakes to be relocated. The Contractor will be responsible for the cost of restaking construction stakes and for the cost of re-establishing a destroyed monument. END OF SECTION P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 9 0 APPENDIX A FLEXIBLE PAVEMENT AND RIGID PAVEMENT DESIGN CALCULATIONS CITY OF FORT COLLINS OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO_ FC03508.135 SAFC03508.00011351Y. Report 11FC03508-135.rpt.doc AASHTO FLEXIBLE PAVEMENT DESIG Project: ZEIGLER ROAD WIDENING Job No. FC03508-135 Location: Shallow Pond Drive to Trilby Road What is the Design ESAL ? What is the Serviceability Loss ? What is the Reliability ? What is the Standard Deviation ? What is the R-value ? Computed Resilient Modulus = If R is not available, Input Resilient Modulus = DESIGN RESILIENT MODULUS = DESIGN STRUCTURAL NUMBER (SN) _ Full Depth HBP Thickness on Subgrade is What is the HBP Layer Coefficient ? What is the ABC Layer Coefficient ? What is the FASS Layer Coefficient? psi psi psi x inches inches HBP over inches Aggregate Base Course NOTES: HBP = Hot Bituminous Pavement, ABC = Aggregate Base Course This table presents design parameters and pavement thickness calculations, and should not be used for construction purposes. Final pavement thicknesses are presented in the report. CTL J T PROJECT NO. FC03508-135 Page A-1 AASHTO FLEXIBLE PAVEMENT j2 SE IGN IF Project: TRILBY Job No. F003508-135 Location: Zeigler Road to Southwest Corner of Kinnard Junior High School What is the Design ESAL ?a<<" What is the Serviceability Loss ? What is the Reliability ? What is the Standard Deviation ?, What is the R-value ? Computed Resilient Modulus psi If R is not available, Input Resilient Modulus = , , _ ,;w psi DESIGN RESILIENT MODULUS =1'.SS psi DESIGN STRUCTURAL NUMBER (SN) = ,,,,,,,,.;,;a;;,,,,,„_,,,%; Full Depth HBP Thickness on Subgrade is Q Hinches What is the HBP Layer Coefficient ? What is the ABC Layer Coefficient ? What is the FASS Layer Coefficient? Alt<` inches HBP over ): inches Aggregate Base Course NOTES: HBP = Hot Bituminous Pavement, ABC = Aggregate Base Course This table presents design parameters and pavement thickness calculations, and should not be used for construction purposes. Final pavement thicknesses are presented in the report. CTL I T PROJECT NO. FC03508-135 Page A-2 AASHTO FLEXIBLE PAVEMENT DESIGN Project: OLD LEGACY DRIVE Job No. FC03508-135 Location: Cul-de-Sac What is the Design ESAL ? What is the Serviceability Loss ? What is the Reliability ? What is the Standard Deviation ? What is the R-value ? Computed Resilient Modulus = If R is not available, Input Resilient Modulus = DESIGN RESILIENT MODULUS = DESIGN STRUCTURAL NUMBER (SN) _ Full Depth HBP Thickness on Subgrade is What is the HBP Layer Coefficient ? What is the ABC Layer Coefficient ? What is the FASS Layer Coefficient? 0 psi psi psi inches inches HBP over inches Aggregate Base Course NOTES! HBP = Hot Bituminous Pavement, ABC = Aggregate Base Course This table presents design parameters and pavement thickness calculations, and should not be used for construction purposes. Final pavement thicknesses are presented in the report. CTL I T PROJECT NO. FC03508-135 Page A-3 AASHTO RI ID PAVEMENT DESIGN Project: ZEIGLER ROAD WIDENING Job NO. FC03508-135 Location: Shallow Pond Drive to Trilby Road What is the Design ESAL ? What is the Reliability ? What is the Serviceability Loss ? What is the Concrete Elastic Modulus ? What is the Concrete Modulus of Rupture ? What is the Drainage Factor ? What is the Standard Deviation ? What is the Load Transfer Coefficient ? What is the R-value ? Computed Resilient Modulus = If R is not available, Input Resilient Modulus = DESIGN RESILIENT MODULUS = psi psi psi psi psi Design Slab Thickness is inches CTL J T PROJECT NO. FC03508-135 Page A-4 Ifolffell017_InNf6t :iiT9ici l Project: TRILBY Job No. FC03508-135 Location: Zeigler Road to Southwest Corner of Kinnard Junior High School What is the Design ESAL ? What is the Reliability ? What is the Serviceability Loss ? What is the Concrete Elastic Modulus ? What is the Concrete Modulus of Rupture ? What is the Drainage Factor ? What is the Standard Deviation ? What is the Load Transfer Coefficient ? What is the R-value ? Computed Resilient Modulus If R is not available, Input Resilient Modulus = DESIGN RESILIENT MODULUS = psi psi psi psi psi Design Slab Thickness is ,, ! inches CTL j T PROJECT NO. FC03508-135 Page A-5 AASHTO RIGID PAVEMENT DESIGN Project: OLD LEGACY DRIVE Job No. FC03508-135 Location: Cul-de-Sac What is the Design ESAL ? What is the Reliability ? What is the Serviceability Loss ? What is the Concrete Elastic Modulus ? What is the Concrete Modulus of Rupture ? What is the Drainage Factor ? What is the Standard Deviation ? What is the Load Transfer Coefficient ? What is the R-value ? Computed Resilient Modulus = If R is not available, Input Resilient Modulus = DESIGN RESILIENT MODULUS = Design Slab Thickness is inches CTL I T PROJECT NO. FC03508-135 Page A-6 APPENDIX B FLY ASH STABILIZATION CONSTRUCTION RECOMMENDATIONS CITY OF FORT COLLINS OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03503.136 S:IFC03500.0001135@. Report AFC03508.335,rpt.doc FLY ASH STABILIZATION CONSTRUCTION RECOMMENDATIONS 1. The areas to be treated should be cut within 6 inches of the bottom of the zone to be treated. The resulting surface should be prepared with a blade to provide a relatively smooth working area. 2. The bottom 6 inches of the treatment zone should be scarifled and pulverized. Pulverization should be accomplished using a rototiller or similar device. The combination of scarifying and rototilling should result in a layer of soil approximately 8 inches in thickness pulverized to minus 1 inch in the area of stabilization. 3. When pulverization is complete, fly ash shall be applied at a rate of 12 percent of the dry compacted weight. The fly ash content can be made more precise by performing a mix design using on -site soils and the fly ash anticipated for the stabilization. 4. The fly ash should be spread uniformly across the area to be treated and mixed with a rototiller or similar device. 5. When sufficient soil and fly ash has been mixed, water should be added to bring the mixture to 2 percent to 5 percent above optimum moisture content for compaction. Optimum moisture content will be determined by compacting a sample of the mixture using ASTM D 698 compaction procedure. The area to be compacted should be rolled with a vibrating sheepsfoot or similar compactor until 95 percent of the maximum density determined using ASTM D 698 on the treated soil is achieved. 6. Subsequent lifts of the stabilized zone should be placed in an 8- inch thick loose lift(s), pulverized and compacted as described in Items 2 through 5 immediately above. 7. The final lift should be allowed to cure for 3 to 7 days or until a non -yielding surface is achieved. CITY OF FORT COLLINS Appendix B-1 OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC83508.135 S:%FC03508.000113512. Report 11,FC03508-135.rpLEoc APPENDIX C MATERIAL PROPERTIES AND CONSTRUCTION CHECKLIST CITY OF FORT COLLINS OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508-135 S:1FC03508,000113512. Report 11FC03508.135.rpLdoc Ziegler Road ! Kechter Road Roundabout Project Date: March 8, 2006 SECTION 01340 SHOP DRAWINGS 1.1 GENERAL A. Submit Shop Drawings, Samples, and other submittals as required by individual specification sections. 1. The Engineer will not accept Shop Drawings or other submittals from anyone but the Contractor. B. Schedule: Reference Section 01310, Construction Schedules. Submittals received by the Engineer prior to the time set forth in the approved schedule will be reviewed at any time convenient to the Engineer before the time required by the schedule. C. Any need for more than one resubmission, or any other delay in obtaining the Engineer's review of submittals, will not entitle the Contractor to an extension of the Contract Time, unless delay of the Work is directly caused by failure of the Engineer to return any scheduled submittal within 10 days after receipt in his office of all information required for review of the submittals or for any other reason which prevents the Engineer's timely review. Failure of Contractor to coordinate submittals that must be reviewed together will not entitle the Contractor to an extension of Contract Time or an increase in Contract Price. D. Resubmit a corrected submittal if errors are discovered during manufacture or fabrication. E. Do not use materials or equipment for which Shop Drawings or samples are required until such submittals, stamped by the Contractor and properly marked by the Engineer, are at the site and available to workmen. F. Only use Shop Drawings which bear Engineer's mark "NO EXCEPTION TAKEN" in the performance of the Work. Review status designations listed on Engineer's submittal review stamp are defined as follows: 1. NO EXCEPTION TAKEN Signifies material or equipment represented by the submittal conforms with the design concept, complies with the information given in the Contract Documents and is acceptable for incorporation in the Work. Contractor is to proceed with fabrication or procurement of the items and with related work. Copies of the submittal are to be transmitted for final distribution. 2. REVISE AS NOTED Signifies material or equipment represented by the submittal conforms with the design concept, complies with the information given in the Contract Documents and is acceptable for incorporation in the Work in accordance with Engineer's notations. Contractor is to proceed with the Work in accordance with Engineer's notations and is to submit a revised submittal responsive to notations marked on the returned submittal or written in the letter of transmittal. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 10 MATERIAL PROPERTIES ASPHALT CONCRETE > Design assumes a strength coefficient of 0.44. > Asphalt concrete should be relatively impermeable to moisture and should be designed with 100% crushed aggregates that have a minimum of 80% of the aggregate retained on the No. 4 sieve with two mechanically fractured faces. > Gradations that approach the maximum density line (within 5% between the No. 4 and 40 sieve) should be avoided. > A gradation with a nominal maximum size of 3/4" developed on the fine side of the maximum density line should be used. > Total void content, Void in the Mineral Aggregate (VMA) and voids filled shall be considered in the selection of the optimum asphalt cement content. The optimum asphalt content shall be selected at a total air void content of 4%. The mixture shall have a minimum VMA of 14% and voids filled that range from 65 to 80%. > Polymer modification can change the rheology and viscosity to improve pavement performance and is recommended for the upper 3 inches of collector and arterial streets. > Residential streets should be fog sealed approximately 30 days after the placement of asphalt concrete at 0.1 to 0.15 gallons per square yard. > A job mix design and periodic checks on the job site shall be made to verify compliance with the specifications. AGGREGATE BASE COURSE > Design assumes a minimum Hveem stabilometer value of 70. > A Class 5 or 6 Colorado Department of Transportation (CDOT) specified aggregate base course is recommended. > Aggregate base must be moisture stable. The change in R-value from 300 psi to 100 psi exudation pressure must be 12 points or less. If the construction materials cannot meet these recommendations, then the pavement design should be evaluated based upon available materials. Materials and placement methods should conform to the requirements of the City of Fort Collins. All material planned for construction should be submitted and the applicable laboratory tests performed to verify compliance with the specifications. CITY OF FORT COLLINS Appendix C-1 OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03506.135 3:1FC03508.000513512, Report 1XFC03508.135.rpt.Eac 0 CONSTRUCTION CHECKLIST The construction procedure of the pavement system is as important as the quality of the materials. Inadequate compaction of the subgrade is often the reason for early pavement failure, resulting in pavement instability, rutting, cracking, settlement and heave. We recommend the proposed pavement be constructed in the following manner. PREPARATION Subgrade Preparation n Subgrade shall be stripped of organic matter, scarified, moisture treated, and compacted. n Utility trenches and all subsequently placed fill shall also be compacted and tested prior to paving. v Final grading of the subgrade should be carefully controlled so the design cross -slope is maintained and low spots in the subgrade that could trap water are eliminated. Granular Soils (A-2-4 and A-4) Soils shall be moisture treated to within 2% of optimum moisture content. n Soils shall be compacted to at least 95% of maximum standard Proctor dry density (ASTM D 698, AASHTO T 99). Cohesive Soils (A-6 to A-7-6) r Soils shall be moisture treated between optimum and 3% above optimum moisture content. Soils shall be compacted to at least 95% of maximum standard Proctor dry density (ASTM D 698, AASHTO T 99), Proof Testing After final subgrade elevation has been reached and the subgrade compacted, the area shall be proof -rolled with a pneumatic -tired vehicle loaded to at least 18 kips per axle. D Subgrade that is pumping or deforming shall be scarified, moisture conditioned, and tested. n If areas of very soft or wet subgrade are found, the material shall be sub -excavated and replaced with approved on -site or import material, moisture conditioned, compacted and tested. CITY OF FORT COLLINS Appendix C-2 OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03500.135 SMC03508.0001135Q. Report 11FC03508.135.rpt.doc 0 Construction Observation n Where soft, yielding subgrade Is encountered, the excavation shall be Inspected by a representative of CTL I Thompson, Inc. n CTL [ Thompson shall be notified and tests taken to confirm the subgrade meets the specifications. FLY ASH STABILIZED SUBGRADE r The contractor shall have a fly ash -soil mix design performed using the actual construction materials. CTLI Thompson shall approve the mix design prior to beginning construction. r The mixture shall be mixed until a uniform blend of soil, fly ash and water is obtained and the moisture content is at least 3% above the soilifly ash optimum. Upon approval of the material, the mixture shall again be mixed and moisture conditioned to 3% over optimum moisture content and compacted to at least 95% of maximum standard Proctor dry density (ASTM D 698). D The treated surface shall be kept moist or sealed and traffic not allowed during the mellowing and curing periods. AGGREGATE BASE COURSE n CDOT Class 5 or 6 Aggregate base course shall be laid in thin, loose lifts, moisture treated to within 2% of optimum moisture content, and compacted to at least 95% of maximum modified Proctor dry density (ASTM D 1557, AASHTO T 180). CURB AND GUTTER n Curb and gutter shall be backfilled and compacted to reduce the potential of heave or settlement that would cause water to pond adjacent to the pavement. Compaction shall be in accordance with Section 203.11 of the State of Colorado Standard Specifications for Road and Bridge Construction and the City of Longmont specifications. An asphalt cement tack coat should be applied to the curb, subgrade and all joints at a rate of not more than 0.10 gallon per square yard. The tack should be applied at a temperature between 800 F and 1300 F and allowed to cure for'/2 hour prior to paving. CITY OF FORT COLLINS Appendix C-3 OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508-135 85FC03500MM13512. Report 11FC03508-135.rptdoc 11 ASPHALT CONCRETE > Asphalt concrete shall be hot plant -mixed material compacted to at least 92 to 96% of maximum theoretical density. > Paving should only be performed when subgrade temperatures are above 40° F and air temperature is at least 40' F and rising. > The temperature at laydown time shall be determined according to the temperature -viscosity relationship of the asphalt cement. Experience indicates that the laydown temperature shall be at least 2750 F for AC-10 asphalt cement. > The maximum compacted lift for 3/4 inch nominal aggregate size bituminous pavement should be 3.0 inches and joints shall be staggered. No joints shall be placed within wheel paths. > Surface shall be sealed with a finish roller prior to the mix cooling to 1750 F. CITY OF FORT COLLINS Appendix C-4 OLD LEGACY DRIVE CLIL.DESAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508-135 SAFC03508.0001135M Report 1TCa350a435.rptAoc APPENDIX D GUIDELINE MAINTENANCE RECOMMENDATIONS CITY OF FORT COLLINS OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC03508-135 SdFC03508.000113M. Report 11FC03508.135apl.doc 0 MAINTENANCE RECOMMENDATIONS FOR FLEXIBLE PAVEMENTS The primary cause for deterioration of low traffic volume pavements is oxidative aging resulting in brittle pavements. Tire loads from traffic are necessary to "work" or knead the asphalt concrete to keep it flexible and rejuvenated. Preventive maintenance treatments will typically preserve the original or existing pavement by providing a protective seal or rejuvenating the asphalt binder to extend pavement life. 1. Annual Preventive Maintenance a. Visual pavement evaluations shall be performed each spring or fall. b. Reports documenting the progress of distress shall be kept current to provide information on effective times to apply preventive maintenance treatments. C. Crack sealing shall be performed annually as new cracks appear. 2. 3 to 5 Year Preventive Maintenance a. The owner should budget for a preventive treatment at approximate intervals of 3 to 5 years to reduce oxidative embrittlement problems. b. Typical preventive maintenance treatments include chip seals, fog seals, slurry seals and crack sealing. 3. 5 to 10 Year Corrective Maintenance a. Corrective maintenance may be necessary, as dictated by the pavement condition, to correct rutting, cracking and structurally failed areas. b. Corrective maintenance may include full depth patching, milling and overlays. C. In order for the pavement to provide a 20-year service life, at least one major corrective overlay can be expected. CITY OF FORT COLLINS Appendix D-1 OLD LEGACY DRIVE CUL-DE-SAC, ZEIGLER ROAD WIDENING AND TRILBY ROAD CTL I T PROJECT NO. FC035oa-135 WFC03508.009113512. Report 11FC03508-135.rp1.Aoc INVITATION TO BID Date: Monday, April 10, 2006 / Bids received by: Tuesday, May 16, 2006 at 3:00 p.m. Title of Bid: Ziegler Road and Kechter Road Roundabout Description of the project: Ziegler Road and Kechter Road Roundabout: The improvements for this project include widening Ziegler Road from Shallow Pond Drive north to the Kecther Road intersection (approx. 600 feet) to minor arterial standards. The construction scope consists of: curb and gutter, bike lanes, sidewalk, new irrigation pipe and splitter boxes. The existing concrete intersection of Ziegler Road and Kechter Road will be pulverized in place and re -constructed as a 130 foot diameter roundabout. The proposed intersection work will consist of: concrete paving, decorative concrete medians, enhanced colored concrete crosswalks, rotomilling operations, flyash operations, asphalt paving, landscaping, stormsewer improvements. The project includes the installation of a 24" waterline for the Fort Collins — Loveland Water District (approximately 2400 Linear Feet), from Kechter Road south to Trilby Road. The Contractor will provide Traffic Control and Construction Surveying. The Contractor will be required to work with our traffic control supervisor. This project will be done under traffic using a bi-directional closure. A total of 7 message Boards for 20 days will be required during different phases of construction. Documents available: Wednesday, April 19, 2006 at Reprographics / Documents examined at: City of Fort Collins Purchasing Department, 215 North Mason Street Pre -bid conference: 10:00 a.m. on Tuesday, May 2, 2006 in the 281 North College Avenue / Conference Room A Bid schedule: see attached Excel 97 file Note: This project is a Cost Plus Time(A + B) Bid Project / Schedule of contractors: Uat2fE2Etractors for waterline, concrete, asphalt paving, concrete /5,70 r paving, excava ion, sea ing and surveying. 3...hcn Designed by: Zielger Road and Kee — orth Star Design J, Construction Schedule: The contLwillequired to have the project substantially complete 1, 2006. The project is available to start Iconstructi006. Substantial Completion: Substan must be met by September 1, 2006. Damages in the amount of Two Thousand Seventy -Two dollars ($2,072.00) per day based will be charged if this schedule has not been / met. An incentive of $2,072.00 will be awarded for each day the project has been accepted before the schedule bid by the contractor. Explained further in Pre -Bid Meeting. Final Acceptance: Finial completion will be in 14 (fourteen) days after substantial completion has been met September 15, 2006. An additional Five / Hundred Dollars ($500.00) will be added after the finial acceptan date. Subsurface and Physical Conditions: CTL THOMPSON Incorporated -- Project Number: FC03508-135 Prepared June 15, 20051 Approved June 16, 2005 Subgrade Investigation and Pavement Design for Streets in the Vicinity of Kinard Junior High School Fort Collins, Colorado CTLTHOMPSON 4001 Automation Way, Unit 201 Fort Collins, CO 80525 (970)206-9455 Limits of Liability: 10 days lost due to weather / Drawing Titles & Sheet Xs: Ziegler Road and Kechter Road Roundabout — North Star Design. Sheet I Cover / Sheet 2 General Noes ✓/ Sheet 3 Typical Sections Sheet 4 Horizontal Control Plan Sheet 5 Right -of -Way Map Sheet 6 - 7 Utility Remove, Replace and Installation Plan Sheet 8 - 9 Remove, Replace Plan Sheet 10 Kechter Road Plan and Profile Sheet I I Ziegler Road Plan and Profile Sheet 12 - 13 Grading Plan Sheet 14 Island Plan and Grading Sheet 15 Roundabout Sidewalk Plan and Grading Sheet 16 Surfacing Plan Sheet 17 Concrete Pavment Joint Plan Sheet 18 - 19 Erosion Control Plan Sheet 20 Storm Sewer Plan and Profile Sheet 21 Irrigation Pipe Plan and Profile Sheet 22 - 23 Signing and Striping Plan Sheet 24 - 30 Cross Sections Sheet 31 Landscape and Irrigation Plan Sheet 32 -35 Details Ziegler Road/ Kechter Road Roundabout Project Date: March S, 2006 3. REJECTEDy Signifies material or equipment represented by the submittal does not conform with the design concept or comply with the information given in the Contract Documents and is not acceptable for use in the Work. Contractor is to submit submittals responsive to the Contract Documents. 4. FOR REFERENCE ONLY Signifies submittals which are for supplementary information only; pamphlets, general information sheets, catalog cuts, standard sheets, bulletins and similar data, all of which are useful to Engineer or Owner in design, operation, or maintenance. But these submittals do not constitute a basis for determining that items represented thereby conform to the design concept or comply with the information given in the Contract Document. The Engineer reviews such submittals for general information, but not for substance. 1.2 SUBMITTAL REGISTER A. The Contractor shall complete the Submittal Register and submit with the Final Construction Schedule submittal. The Contractor must resubmit an updated Submittal Register with each application for progress payment. A format of the Submittal Register is provided below, Contractor should reproduce this format, (or an approved alternate) for this register. B. Instructions for Completing the Submittal Register: Column 1: References, specification section, and paragraph in which submittal is requested. This will be done for each item of equipment or material. Column 2: Describe types of submittal required, i.e., shop drawing, certificate, etc. Column 3: List the material or item for which submittal is required. Column 4: Contractor shall provide the date that he intends to make each submittal. Column 5: Contractor shall provide that date by which each submittal must be approved to accomplish timely incorporation into the project. Column 6: Contractor shall provide the mailing date of the initial submittal made to the Owner. Column 7: Contractor shall record the review action of the Owner to the last submittal for the item, equipment, or material. Column 8: Contractor shall record the mailing date of subsequent submittal for each item, equipment, and material until submittal is accepted by Owner. Column 9: Contractor may record remarks as necessary to coordinate with other submittal or provide necessary information. 1.3 SHOP DRAWINGS A. Include the following information as required to define each item proposed to be furnished. 1. Detailed installation drawings showing foundation details and clearances required for construction. 2. Relation to adjacent or critical features of the Work or materials. 3. Field dimensions, clearly identified as such. 4. Applicable standards, such as ASTM or Federal Specification numbers. 5. Drawings, catalogs or parts thereof, manufacturer's specifications and data, instructions, performance characteristics and capacities, and other information specified or necessary: a. For Engineer to determine that the materials and equipment conform to the design concept and comply with the intent of the Contract Documents. P:\Street Ovesizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Constriction Specs\General Reqs General Reqs. - 11 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 b. For the proper erection, installation, and maintenance of the materials and equipment which Engineer will review for general information but not for substance. c. For Engineer to determine what supports, anchorages, structural details, connections and services are required for materials and equipment, and the effect on contiguous or related structures, materials and equipment. 6. Complete dimensions, clearances required, design criteria, materials of construction and the like to enable Engineer to review the information effectively. B. Manufacturer's standard drawings, schematics and diagrams: 1. Delete information not applicable to the Work. 2. Supplement standard information to provide information specifically applicable to the Work. C. Format. 1. Present in a clear and thorough manner. 2. Minimum sheet size: 8 '/2" x l l". 3. Clearly mark each copy to identify pertinent products and models. 4. Individually annotate standard drawings, which are furnished, cross out items that do not apply, describe exactly which parts of the drawing apply to the equipment being furnished. 5. Individually annotate catalog sheets to identify applicable items. 6. Reproduction or copies of portions of Contract Documents: a. Not acceptable as complete fabrication or erection drawings. b. Acceptable when used as a drawing upon which to indicate information on erection or to identify detail drawings. 7. Clearly identify the following: a. Date of submission. b. Project title and number. c. Names of Contractor, Supplier and Manufacturer. d. Specification section number, specification article number for which items apply, intended use of item in the work, and equipment designation. e. Identify details by reference to sheet, detail, schedule or room numbers shown in the Contract Documents. f. Deviations from Contract Documents. g. Revisions on re -submittals. h. Contractor's stamp, initialed or signed, certifying the review of submittal, verification of products, field measurements and field construction criteria, and coordination of the information within the submittal with requirements of the Work and the Contract Documents. 1.4 SUBMISSION REQUIREMENTS A. Make submittals promptly in accordance with approved schedule, and in such sequence as to cause no delay in the Work or in the work of any other contractor. B. Minimum number required: 1. Shop Drawings. a. Three (3) copies minimum, two (2) copies which will be retained by Engineer. 1.5 RESUBMISSION REQUIREMENTS P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 12 Ziegler Road / Kechter Road Roundabout Project Date: March S, 2006 A. Make corrections or changes required by Engineer and resubmit until accepted. B. In writing, call Engineer's attention to deviations that the submittal may have from the Contract Documents. C. In writing, call specific attention to revisions other than those called for by Engineer on previous submissions. D. Shop Drawings 1. Include additional drawings that may be required to show essential details of any changes proposed by Contractor along with required wiring and piping layouts. END OF SECTION P:Street Oversizing\Z.iegler Road Kechter Road Roundabout\Bid Docs\Conshuction Specs\General Reqs General Reqs. - 13 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 SECTION 01410 TESTING 1.1 GENERAL A. Provide such equipment and facilities as the Engineer may require for conducting field tests and for collecting and forwarding samples. Do not use any materials or equipment represented by samples until tests, if required, have been made and the materials or equipment are found to be acceptable. Any product, which becomes unfit for use after approval hereof, shall not be incorporated into the work. B. All materials or equipment proposed to be used may be tested at any time during their preparation or use. Furnish the required samples without charge and give sufficient notice of the placing of orders to permit the testing. Products may be sampled either prior to shipment or after being received at the site of the work. C. Tests shall be made by an accredited testing laboratory selected by the Owner. Except as otherwise provided, sampling and testing of all materials and the laboratory methods and testing equipment shall be in accordance with the latest standards and tentative methods of the American Society for Testing Materials (ASTM). D. Where additional or specified information concerning testing methods, sample sizes, etc., is required, such information is included under the applicable sections of the Specifications. Any modification of, or elaboration on these test procedures (which may be included for specific materials under their respective sections in the Specifications) shall take precedence over these procedures. 1.2 OWNER'S RESPONSIBILITIES A. Owner shall be responsible for and shall pay all costs in connection with testing for the following: 1. Soil tests, except those called for under Submittals thereof. 2. Tests not called for by the Specifications of materials delivered to the site but deemed necessary by Owner. 3. Concrete tests, except those called for under Submittals thereof. 4. Asphalt tests, except those called for under Submittals thereof. 1.3 CONTRACTOR'S RESPONSIBILITIES A. In addition to those inspections and tests called for in the General Conditions, the Contractor shall also be responsible for and shall pay all costs in connection with testing required for the following: 1. All performance and field testing specifically called for by the specifications. 2. All re -testing for Work or materials found defective or unsatisfactory, including tests covered under section 1.2 above. 3. All minimum call out charges or stand by time charges from the tester due to the Contractor's failure to pave, pour, or fill on schedule for any reason except by action of the Engineer. B. Contractor shall notify the Project Engineer 48 hours prior to performing an operation that would require testing. 1.4 CONTRACTOR'S QUALITY CONTROL SYSTEM PAStreet Oversizing'Ziegler Road Kechter Road Roundabout\Bid Docs\Consnuction Specs\General Reqs General Reqs. - 14 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 A. General: The Contractor shall establish a quality control system to perform sufficient inspection and tests of all items of Work, including that of his subcontractors, to ensure conformance to the functional performance of this project. The control shall be established for all construction except where the Contract Documents provide for specific compliance tests by testing laboratories or engineers employed by the Owner. The Contractor's control system shall specifically include all testing required by the various sections of these Specifications. B. Superintendence: The Contractor SHALL employ a full time Superintendent whose sole responsibility is to monitor and coordinate all facets of the Work. The Superintendent shall be on site when work is in progress (i.e. weekend work). The Superintendent shall have adequate experience to perform the duties of Superintendent. The superintendent shall have the authority to act on behalf of the CONTRACTOR. The superintendent shall not be replaced without written notice to the Owner and Engineer. C. Quality Control: Contractor's quality control system is the means by which he assures himself that his construction complies with the requirements of the Contract Documents. Controls shall be adequate to cover all construction operations and should be keyed to the proposed construction schedule. D. Records: Maintain correct records on an appropriate form for all inspections and tests performed, instructions received from the Engineer and actions taken as a result of those instructions. These records shall include evidence that the required inspections or tests have been performed (including type and number of inspections or test, nature of defects, causes for rejection, etc.) proposed or directed remedial action, and corrective action taken. Contractor is responsible for documenting all inspections and tests as required by each section of the Specifications. Provide copies to the Engineer weekly. END OF SECTION PAS[reet Oveisizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Consnvction Specs\General Reqs General Regs. - 15 Ziegler Road / Kechter Road Roundabout Project SECTION 01510 TEMPORARY UTILITIES 1.1 UTILITIES A. Furnish all utilities necessary for construction. Date: March 8, 2006 B. Owner will furnish water in reasonable amounts for execution of the work at existing fire hydrants without charge to Contractor. The Contractor shall coordinate and schedule with the Owners' Field Representative for the Water Department to select the appropriate fire hydrant and set the hydrant meter. C. Make arrangements with Owner as to the amount of water required and time when water will be needed. 1. Owner will fix the place, time, rate and duration of each withdrawal from the distribution system. 2. Unnecessary waste of water will not be tolerated. D. Furnish necessary water trucks, pipes, hoses, nozzles, and tools and perform all necessary labor. 1. Only Owner shall operate existing valves and hydrants. 1.2 SANITARY FACILITIES A. Contractor shall furnish temporary sanitary facilities at each site for the needs of construction workers and others performing work or furnishing services on the Project. Furnish a minimum of two portable toilets at the trailers (if office trailers are required) and a minimum of one at each project work site or as required to accommodate the number of personnel working on site. One facility will delivered to the City of Fort Collins trailer open notice of award of bid. B. Contractor shall properly maintain sanitary facilities of reasonable capacity throughout construction periods. C. Contractor to enforce the use of such sanitary facilities by all personnel at the site. D. Place facilities out of public view using the greatest practical extent. END OF SECTION P-\Street Oversizing\Zicgler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 16 REVISED BID SCHEDULE ADDENDUM 1 203-05 Muck Excavation - (CIP) 75 CY 203-06 Borrow ABC (Cl 5 or 6) 500 TON 203-07 Borrow Suitable Fill Material 1985 CY 203-08 Topsoil (Stripping & Stockpiling) - Top 6" 901 CY 203-09 Topsoil Placement in Planting Area @ Center Median of the Roundabout 448 CY 203-10 Topsoil Placement @ Back of Walk to easement lines 453 CY 203-11 Median Hardscape Shaping (CIP) 6117 SF 203-12 Potholing 1 LS 203-13 Import Screened Topsoil (3") - Parkway areas 166 CY 203-14 Transport and Compact In Place Reclaimed Asphalt from Stockpile 2751 CY 203-15 Swale Grading/Shaping/Blue Tops 486 LF 208-01 Erosion Control 1 LS 210-01 Adjust Manhole Ring & Cover 1 EA 210-02 Modify Manhole 1 EA 210-03 Adjust Valve Box 1 EA 210-04 Modify Valve Box 1 EA 210-05 Adjust Existing Fire Hydrant To Proposed Grade 1 EA 210-06 Add Valve Extension Keys To Existing Water Valves 5 EA 210-07 Raise City of Fort Collins Light and Power Electric Vault Manhole Cover to Paving Grade 1 EA 210-08 Expose Existing CMP Remove 15' Of CMP 1 EA 210-09 Expose Existing CMP Remove 3' Top Of Pipe 6 EA 210-10 Insert 12" SDR-35 Sewer Pipe In Existing CMP 140 LF 210-11 Adjust Sprinkler Box/Cap Existing/ Modiriy Irrigation System 2 EA 304-01 Aggregate Base Course - (CI 5 or 6) - 6" Depth - (CIP) 1,873 TON 304-02 ABC - (CI 5 or 6) - 6" Depth - (CIP) - Patch Placement 85 TON 306-01 Reconditioning - (8") 11,899 SY Ziegler Road! Kechter Road Roundabout Project SECTION 01560 TEMPORARY CONTROLS 1.1 NOISE CONTROL Date: March 8, 2006 A. Take reasonable measures to avoid unnecessary noise when construction activities are being performed in populated areas. B. Construction machinery and vehicles shall be equipped with practical sound muffling devices, and operated in a manner to cause the least noise consistent with efficient performance of the Work. C. Cease operation of all machinery and vehicles between the hours of 7:30 p.m. and 6:30 a.m. 1.2 DUST CONTROL A. Dusty materials in piles or in transit shall be covered when necessary to prevent blowing. B. Earth and road surfaces subject to dusting due to construction activities and detouring of traffic shall be kept moist with water or by application of a chemical dust suppressant. Chemical dust suppressant shall not be injurious to existing or future vegetation. C. Dust control within the lime deposit area shall conform to the project's health and safety plan. At a minimum, the lime area shall be covered as soon as possible after compaction has been obtained to minimize surface drying and dust. Dust control for this area may involve multiple watering and/or continuous watering to maintain a moist surface. 1.3 POLLUTION CONTROL A. Prevent the pollution of drains and watercourses by sanitary wastes, concrete, sediment, debris and other substances resulting from construction activities. 1. Retain all spent oils, hydraulic fluids and other petroleum fluids in containers for disposal off the site. 2. Prevent sediment, debris or other substances from entering sanitary sewers, storm drains and culverts. 1.4 EROSION CONTROL A. Take such measures as are necessary to prevent erosion of soil that might result from construction activities. Measures in general will include: 1. Control of runoff 2. Trapping of sediment 3. Minimizing area and duration of soil exposure 4. Temporary materials such as hay bales, sandbags, plastic sheets, riprap or culverts to prevent the erosion of banks and beds of watercourses or drainage swales where runoff will be increased due P\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Does\Construction Specs\General Reqs General Reqs. - 17 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 to construction activities. B. Preserve natural vegetation to greatest extent possible. C. Locate temporary storage and route construction traffic so as to preserve vegetation and minimize erosion. D. Comply with the City of Fort Collins' Storm Drainage Erosion Control Manual and Plan. 1.5 SECURITY A. Contractor is responsible for protection of the site and all Work, materials, equipment and existing facilities thereon, against vandalism. B. No claim will be made against the Owner by reason of any act of an employee or trespasser, and the Contractor shall make good all damage resulting from his failure to provide security measures as specified. C. Security measures will be instituted to protect owners of existing facilities during normal operation, but will also include such additional security fencing, barricades, lighting, watchman services or other measures as Contractor feels is required to protect the site. END OF SECTION P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 18 Ziegler Road/ Kechter Road Roundabout Project SECTION 01570 TREE PROTECTION Date: March 8, 2006 A. Tree Barriers: All trees which will be preserved, but are within the limits of construction, must be protected from all damage associated with construction. A sturdy, physical barrier (fluorescent orange in color) must be fixed in place around each tree for the duration of construction. This barrier will be placed no closer than six (6) feet from the trunk, or one-half of the drip line, whichever is greater. The barrier itself must be fixed so it cannot be moved easily, but the material can be flexible, such as orange safety fence attached to metal T-posts driven into the ground, but must act as an effective deterrent to deliberate or accidental damage of each tree. The Project Engineer or Manager must approve actual materials and location of barrier. The movement or storage of equipment, material, debris, or fill within these required protective barriers is completely prohibited. In situations where the construction will come closer to a tree than six (6) feet, the orange barrier must still be erected. However, additional padding must be placed around the trunk of each tree starting at ground level and proceeding up the trunk to a height of six or seven feet. Padding should be a minimum eight (8) inches thick, and made of a material strong enough to protect the bark from accidental impacts with hand tools or power equipment. B. Accidental Poisoning: During the construction, the Contractor shall not cause, or permit the cleaning of equipment or material within the root zone of any tree. The Contractor shall not store or dispose of waste material including, but not limited to; paints, solvents, asphalt, concrete, mortar, or any other material harmful to the life of a tree, within the root zone of each tree, or group of trees. C. Root Pruning Specifications: When the cutting of tree roots is necessary, each final cut must be made as cleanly as possible for all roots over three (3) inches in diameter using the following method: 1. The line of excavation will be drawn out and appropriate excavation equipment used to clear the area at least six inches in front of the actual finished excavation line. Roots can then be cut using tools such as axes, stump grinders, or trenchers. 2. Each root over three (3) inches in diameter will then be cut cleanly back to the excavation line using a stump grinder operated by an experienced licensed arborist. A sharp hand or bow saw is acceptable for roots under three (3) inches in diameter. Axes and trenchers do not cut roots cleanly and will not be used for final root cuts. D. Contractor shall coordinate with the Owners' Field Representative prior to and during the installation of tree protection and root pruning activities. Owners' Field Representative, at his/her opinion, will contact the City Forester and/or City Arborist for advice and approval of the tree protection measures taken by the Contractor and also the City's advice and approval during the root pruning activities. P:\Street Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 19 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 E. No damaging attachments, wires, signs, permits or other objects may be fastened by any means to any tree preserved on this project. F. Violation of Specifications and Penalties for Damaging Trees: Any violation of these specifications will lead to penalties based on the type of violation and/or the resulting damages, and may be grounds for the termination of this contract. The penalties will be assessed based on the amount of damage done and the total value of that tree, or group of trees, prior to the damage. The minimum penalty will be $100.00. Penalties for any damage will be based on the total value of the tree as determined by the City Forestry Division staff and the severity of the damage as a proportion of the total value of that tree. This could include up to the full value of the tree. As an example, there are two American Elm trees to be preserved on another project. They are valued at $7,960 and $6,667 for the south and north trees respectively. The south tree is approximately 100 inches in circumference, therefore each inch is worth one -hundredth of the value, or $79.60 per inch. Similarly, the north tree is 91 inches in circumference, making each inch worth $73.26. To extend this to penalties paid, if one inch of the bark on the south tree is scuuffed, the penalty would be $100 (the minimums allowed); if two inches are damaged, the penalty would be $159.20 and so on up to 50 % of the circumference of the trunk. If 50% or more is damaged, the fill value of the tree will be assessed as co- penalty. (This example serves to illustrate how damages will be assessed). This method of assessing penalties will be applicable to all trees not marked for removal on the project, accidental poisoning and improper pruning. END OF SECTION P:\Street Ovesizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Conshuction Specs\Geneial Reqs General Reqs. - 20 Ziegler Road / Kechter Road Roundabout Project SECTION 01580 TRAFFIC REGULATION 1.1 TRAFFIC CONTROL Date: March 8, 2006 A. The traffic control for this project shall be the responsibility of the Contractor. Traffic control is defined as those devices necessary to channelize vehicular and pedestrian traffic through the project. The City of Fort Collins is requiring that the project be constructed in 2 phases under traffic with a bi-directional closure. The Contractor is responsible for applying their costs associated to their predicted calendar day schedule to determine the lump sum amount. B. The Contractor and/or Traffic Control Contractor must submit traffic control plans and coordinate all traffic control with the City's Traffic Control Coordinator. The traffic control plans must be submitted and approved 72 hours prior to starting construction and before making each modification. Two-way traffic shall be maintained on this job at all times during Phase I and eastbound traffic on Kechter Road must remain uninterrupted (with right in / right out movements on Ziegler Road) during the construction of Phase II. C. Conformance: City of Fort Collins Work Area Traffic Control Handbook, Manual of Uniform Traffic Control Devices (U.S. Dept. of Transportation), or applicable statutory requirements of authority having jurisdiction. D. The traffic access/control plan limitations for handling traffic for these projects are described below PHASE 1: • The intersection of Ziegler and Kechter on the south side will be closed. This will allow for two way traffic flow on the north side of the intersection. During this time the Contractor will construct the south half of the roundabout. - • Ziegler Road between Trilby Road and Kechter Road will be closed to install the Fort Collins — Loveland Water District 24" Waterline. During this time, the Contractor will be required to have a flagger or mechanical control device at the Trilby/Ziegler intersection during peak hours to assist the residents and traveling public in safely entering the intersection. Once this portion of the project is complete, Ziegler will be opened from Trilby Road to Shallow Pond. PHASE II: • During this phase, the north half of the intersection of Ziegler and Kechter will be closed. This will allow for on eastbound traffic to flow on the south side of the intersection and right in / right out movements on Ziegler Road. During this time the Contractor will construct the second half of the roundabout. Pedestrian Access — Pedestrian traffic shall be maintained along the West side of Ziegler Road at all times, utilizing temporary sidewalks when necessary. All other pedestrian traffic will be closed and pedestrians will be re-routed per plan. PAStreet Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 21 Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 Bike Lanes — Bike lanes will need to be re-routed during construction in the project limits. Vehicle, Bike and Pedestrian Traffic — Access to all side streets and private drives shall be maintained at all times. The Contractor will be responsible for developing and access control plan in coordination with adjacent property owners and the City of Fort Collins representatives and submit this plan in conjunction with the traffic control plan to the Engineer for approval prior to the start of any work. Any modifications to the traffic control plan must be approved by the City's Traffic Control Coordinator and the Engineer. E. Vehicle, bike and pedestrian access to all side streets and private drives shall be maintained at all times. The Contractor will develop an access control plan in coordination with adjacent property owners, and submit it in conjunction with the traffic control plan to the Engineer for approval prior to the start of any Work. Pedestrian traffic shall be maintained along the West side of Ziegler Road at all times, utilizing temporary sidewalks when necessary. F. The Contractor must work with the adjacent residents to provide and maintain sufficient access for them during the duration of the project. It will be the Contractors responsibility to coordinate and communicate with the residents during construction. G. The Contractor must maintain, at their cost, access to the Kinard Junior High School construction site during their business hours. It will be the Contractors responsibility to coordinate and communicate with the businesses during construction. H. The Contractor shall keep traffic areas free of excavated material, construction equipment, pipe, and other materials and equipment. I. The Contractor shall keep fire hydrants and utility control valves free from obstruction and available for use at all times. J. The Contractor shall provide and maintain, at their cost, temporary driveway approaches on driveways open to traffic at all times to insure that the approaches are smooth, compacted, and will not prohibit or inhibit the use of the driveway. The driveway approaches must be maintained seven days a week. In the case of bad weather the Contractor must repair the driveways immediately following the storm and must work to maintain access during the storm. 1.2 WORK AREA SAFETY A. The Contractor shall maintain a safe work area and protect area residents, motorists, bicyclists, pedestrians, and children from work area hazards. B. The Contractor shall provide all work area safety control devices, such as barricades and safety fence around all excavations and drop-offs. C. Work area safety control devices will not be paid for separately. Cost for this equipment should be included in the lump sum cost for the work items which will require work area safety control devices. PASU eet OversizineZiegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 22 Ziegler Road / Kechter Road Roundabout Project 1.3 PARKING Date: March 8, 2006 A. Provide suitable parking areas for the use of all construction workers and others performing work or furnishing services in connection with the Project so as to avoid interference with public traffic, Owner's operations, or construction activities. END OF SECTION PAStreet Oversizing\Ziegler Road Kechter Road Roundabout\Bid Docs\ConsLvction Specs\General Reqs General Reqs. - 23 Ziegler Road 1 Kechter Road Roundabout Project SECTION 01700 CONTRACT CLOSEOUT 1.1 SUBSTANTIAL COMPLETION Date: March 8, 2006 A. Substantial Completion for the Ziegler Road and Kechter Road Roundabout Project shall be defined as the following: 1. All work requiring lane or shoulder closures or other traffic obstructions is complete. 2. TrafficJs following the lane arrangements shown on the plans for finished roadway. 3. All pavement construction, joint sealing, and shoulder embankment is complete. 4. Traffic control devices and pavement markings are in their final positions. 5. All pedestrian sidewalks and decorative crosswalks within right-of-way are complete. 6. All median and center of roundabout concrete is complete and approved. B. Substantial Completion dates or times are outlined in Section 00520 - Agreement. 1.2 FINAL COMPLETION A. Final Completion shall be defined as the following: 1. Once substantial completion has been met, the Contractor will be allowed 20 days to reach final completion. 2. This will include the completion of all Work including cleanup, Project Record Documents shall be turned over to the Owner, all punch list items completed, and all processing of all change orders. The Work must be ready for final payment and acceptance. B. Final Completion will be subject to the terms outlined in Section 00520 - Agreement. END OF SECTION P:\Street Oveisizing\Ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 24 Ziegler Road / Kechter Road Roundabout Project SECTION 01711 SITE CLEANUP 1.1 GENERAL Date: March 8, 2006 A. Execute cleanup, during progress of the Work, and at completion of the Work. B. Adequate cleanup will be a condition for recommendation of progress payments. 1.2 DESCRIPTION A. Store volatile wastes in covered metal containers and dispose off site. B. Provide on -site covered containers for the collection of waste materials, debris and rubbish. C. Neatly store construction materials, such as concrete forms, when not in use. D. Broom clean adjacent paved surfaces and rake other adjacent surfaces. E. The streets adjacent to the construction area shall be cleaned of debris venerated by the project by the Contractor at the earliest opportunity, but in no case shall the street be left unclean after the completion of the day's work. It shall be the Contractor's responsibility to provide the necessary equipment and materials to satisfactorily clean the roadway at no additional cost to the project. The City's Street Department will sweep the street at an approximate hourly rate of $90.00 for a minimum of 2 hours. The Contractor must sign a Contract with the City Street Department prior to requesting street sweeping. Construction "DRAG OUT" will not be tolerated. The Contractor must have the means to sweep, wash and scrape the roadway clear of any materials drug out by construction traffic on -site. The Contractor will monitor his construction traffic and clean as necessary or as directed by the on -site Project Engineer. If the streets are not cleaned by the Contractor within 24 hours after having been given notice from the Project Engineer, the Project Engineer will have the Streets Department sweep the streets at the rates listed above and will back charge the Contractor for expenses incurred. 1.3 DISPOSAL A. Wastes shall not be buried or burned on the site or disposed of into storm drains, sanitary sewers, streams or waterways. B. Remove waste materials, clearing materials, demolition materials, unsuitable excavated materials, debris and rubbish from the site at least weekly and dispose of at disposal areas furnished by Contractor away from the site. END OF SECTION P:\Street Oversizing\ziegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 25 Ziegler Road/ Kechter Road Roundabout Project SECTION 01720 PROJECT RECORD DOCUMENTS 1.1 GENERAL A. Maintain at the site one record copy of: 1. Documents and samples called for in General Conditions 6.19. 2. Field Test Records. 3. Certificates of compliance. 1.2 MAINTENANCE OF DOCUMENTS AND SAMPLES Date: March S, 2006 A. File documents and samples in accordance with the specifications section numbers. B. Maintain documents and samples in a clean, dry, legible condition and in good order. Do not use record documents for construction purposes. 1.3 RECORDING A. Label each document "PROJECT RECORD" in neat large printed letters. B. Record information concurrently with construction progress. 1. Do not cover Work until required information is recorded. C. Marking of Project Records. 1. Legible and with a dark pen or pencil. 2. Ink shall not be water based or subject to easy smearing. D. Mark Drawings to record actual construction. 1. Field dimensions, elevations, and details. 2. Changes made by a Modification. 3. Details not on original Drawings. 4. Horizontal and vertical locations of underground utilities and appurtenances referenced to a minimum of three permanent surface improvements. 5. Depths of various elements in relation to project datum. 6. Location of utilities and appurtenances concealed in the construction, referenced to visible and accessible features of the structure. 1.4 SUBMISSION A. Accompany submittal with transmittal letter in duplicate containing: 1. Date. 2. Project title and number. 3. Contractor's names, address, and telephone number. 4. Index containing title and number of each Record Document. 5. Signature of Contractor or his authorized representative. END OF SECTION P:\Street OversizingOegler Road Kechter Road Roundabout\Bid Docs\Construction Specs\General Reqs General Reqs. - 26 REVISED BID SCHEDULE ADDENDUM 1 307-01 Flyash Subgrade Stabilization - (12%) 5678 SY 403-01 Hot Bituminous Pavement - Grading S - 100 (3" Depth) - (PG 64-28) 635 TON 403-02 Hot Bituminous Pavement - Grading SG - 100 (6" Depth) - (PG 58-28) 1269 TON 403-03 Hot Bituminous Pavement - Grading S - 100 (2" Depth) - (PG 64-28) Overlay 627 TON 403-04 Asphalt Patching - Grading SG - 100 (5" Depth) - (PG 58-28) 82 TON 412-01 Portland Cement Concrete Pavement (10") 1344 SY 506-01 6' x 6' x 1.5' Type L Rip Rap Pad wl 6" Type II Bedding & 6" Topsoil Cover 2 EA 603-01 19" x 30" HERCP Class III 137 LF 603-02 12" RCP Class III 44 LF 603-03 15" RCP Class III 90 LF 603-04 15" RCP Class III FES 1 EA 603-05 24" Class III RCP wl water tight joints (ASTM C443) 40 LF 603-06 8" Sewer SDR-35 21 linear feet with Headwalls 1 LS 603-07 Field Collar on 19" x 30" HERCP 6 EA 603-08 29" x 45" HERCP Class III 40 LF 604-01 5' Type R Inlet 2 EA 604-02 Area Inlet with 6" Odffice Plate 1 EA 604-03 4' Concrete Sidewalk Culvert 1 LS 604-04 4' Sidewalk Chase with a 32' x 2' Concrete Trickle Pan 1 EA 604-05 Modification Of Pond Inlet on Homestead Property 1 LS 604-06 14' x 14' Manhole Concrete Box with 30" Manhole Frame and Cover for Access - (CIP) 1 EA 604-07 Median Underdrain Pipe System - (4" Perforated Pipe) 135 LF 604-08 Median Underdrain Pipe System - (4" Solid Pipe) 55 LF 604-09 Tie To Existing Manhole 1 EA Ziegler Road / Kechter Road Roundabout Project Date: March 8, 2006 PAStreet Oversizing\Zie.gler Road Kechter Road Roundabout\Bid Docs\Consbvction Specs\General Reqs General Reqs. - 27 Ziegler Road / Kechter Road Rwndabout Project Date: April 11, 2006 ZIEGLER ROAD AND KECHTER ROAD ROUNDABOUT PROJECT The Colorado Division of Highways "Standard Specifications for Road and Bridge Construction (2005), except as revised herein, is hereby adopted as a minimum standard of compliance for this project. The City of Fort Collins Storm Drainage Construction Standards, City of Fort Collins Water Utilities Standard Construction Specifications, Larimer County Urban Area Street Standards, the Fort Collins — Loveland Water District and South Fort Collins Sanitation District Standards, and City of Fort Collins Work Area Traffic Control Handbook, shall also serve as minimum standards of compliance for this project. They are not included in the contract documents, but may be obtained at the appropriate City Departments. It shall be the Contractor's responsibility to purchase and familiarize themselves with all of the City Department Specifications. These project specifications, City Department specifications, and CDOT standard specifications are considered minimum standards for compliance on this project. In those instances where the CDOT Standard Specifications conflict with the City specifications listed above, the City specifications shall govern. In those instances where the CDOT Standard Specifications conflict with any of the provisions of the preceding Sections 00001 through 01750, General Requirements, the preceding sections shall govern. SECTION 2810 IRRIGATION ...... 2900 PLANTINGS ..... PROJECT CONSTRUCTION SPECIFICATIONS INDEX OF REVISIONS PAGE ............................................................................ Technical Specs 2-10 ................................................................ Technical Specs 11-21 P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Cmistruction Specs\Landscaping Specs Landscaping Technical Specs - I Ziegler Road / Kechter Road Rmndabout Project REVISION OF SECTION 2810 IRRIGATION PART 1— GENERAL 1.01 RELATED DOCUMENTS Date: April 11, 2006 Furnish all labor, materials, supplies, equipment, tools and transportation, and perform all operations in connection with and reasonably incidental to the complete installation of the irrigation system, and guarantee/warranty as shown on the drawings, the installation details, and as specified herein. Items of work specifically included are: A. Procurement of all applicable licenses, permits, and fees including payment of all development, plant investment, or any other fees and permits associated with the purchase and installation of the tap. B. Coordination of Utility Locates ("Call Before You Dig"). C. Excavation, installation, and backfill of tap into municipal water line. D. Excavation, installation, and backfill of water meter and vault. E. Verification of existing static pressure. F. Maintenance period. G. Sleeving for irrigation pipe. 1.02 WORK NOT INCLUDED Items of work specifically excluded or covered under other sections are: A. Provision and connection of electrical power supply to the irrigation control system. 1.03 RELATED WORK 1.04 SUBMITTALS A. Deliver four (4) copies of all required submittals to the Owner's Representative within 15 days from the date of Notice to Proceed. Materials List: Include pipe, fittings, mainline components, water emission components, control system components. Quantities of materials need not be included. B. Manufacturers' Data: Submit manufacturers' catalog cuts, specifications, and operating instructions for equipment shown on the materials list. C. Shop Drawings: Submit shop drawings called for in the installation details. Show products required for proper installation, their relative locations, and critical dimensions. Note modifications to the installation detail. D. Project Record Drawings: Submit project record (as -built) drawings to Owner prior to commencement of maintenance period (refer to specification section 3.11 for specific requirements). 1.05 RULES AND REGULATIONS A. Work and materials shall be in accordance with the latest edition of the National Electric Code, the Uniform Plumbing Code as published by the Western Plumbing Officials Association, and applicable laws and regulations of the governing authorities. P:\Street Oversiting\Ziegler Road Kechter Road Roundabouli id Docs\Construction SpecslLandscaping Specs Landscaping Technical Specs - 2 Ziegler Road / Kechter Road Rautdabout Project Date: April 11, 2006 B. When the contract documents call for materials or construction of a better quality or larger size than required by the above -mentioned rules and regulations, provide the quality and size required by the contract documents. C. If quantities are provided either in these specifications or on the drawings, these quantities are provided for information only. It is the Contractor's responsibility to determine the actual quantities of all material, equipment, and supplies required by the project and to complete an independent estimate of quantities and wastage. 1.06 TESTING A. Notify the Owner's Representative three days in advance of testing. B. Pipelines jointed with solvent -welded PVC joints shall be allowed to cure at least 24 hours before testing. C. Subsections of mainline pipe may be tested independently, subject to the review of the Owner's Representative. D. Furnish clean, clear water, pumps, labor, fittings, and equipment necessary to conduct tests or retests. E. Hydrostatic Pressure Test 1. Subject mainline pipe to a hydrostatic pressure of 150 PSI for two hours. Test with mainline components installed. A 2 PSI pressure variation is allowed. Backfill to prevent pipe from moving under pressure. Expose couplings and fittings. 2. Leakage will be detected by visual inspection. Replace defective pipe, fitting, joint, valve, or appurtenance. Repeat the test until the pipe passes test. 3. Cement or caulking to sea] leaks is prohibited. Operational Test: 1. Activate each remote control valve in sequence from controller. The Owner's Representative will visually observe operation, water application patterns, and leakage. 2. Replace defective remote control valve, solenoid, wiring, or appurtenance to correct operational deficiencies. 3. Replace, adjust, or move water emission devices to correct operational or coverage deficiencies. 4. Replace defective pipe, fitting, joint, valve, sprinkler, or appurtenance to correct leakage problems. Cement or caulking to seal leaks is prohibited. 5. Repeat test(s) until each lateral pass all tests. 1.07 CONSTRUCTION REVIEW The purpose of on -site reviews by the Owner's Representative is to periodically observe the work in progress and the Contractor's interpretation of the construction documents and to address questions with regards to the installation. A. Scheduled reviews such as those for irrigation system layout or testing should be scheduled with the Owner's Representative as required by these specifications. B. Impromptu reviews may occur at any time during the project. C. Final review will occur at the completion of the irrigation system installation and Record (As -Built) Drawing submittal P:\Street oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 3 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 1.08 GUARANTEE / WARRANTY AND REPLACEMENT The purpose of this guarantee/warranty is to insure that the Owner receives irrigation materials of prime quality, installed and maintained in a thorough and careful manner. A. For a period of one year from commencement of the formal maintenance period, guarantee/warranty irrigation materials, equipment, and workmanship against defects. Fill and repair depressions. Restore landscape or structural features damaged by the settlement of irrigation trenches or excavations. Repair damage to the premises caused by a defective item. Make repairs within seven days of notification from the Owner's Representative. B. Contract documents govern replacements identically as with new work. Make replacements at no additional cost to the contract price. C. Guarantee/warranty applies to originally installed materials and equipment and replacements made during the guarantee/warranty period. END OF PART 1 - GENERAL P:\Street Oversiting\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 4 .Ziegler Road Kechter Road Randabout Project PART 2 - MATERIALS 2.01 QUALITY Date: April 11, 2006 Use materials which are new and without flaws or defects of any type, and which are the best of their class and kind. 2.02 SUBSTITUTIONS Pipe sizes referenced in the construction documents are minimum sizes, and may be increased at the option of the Contractor. 2.03 IRRIGATION TAP AND WATER METER A. Provide materials required by local codes for installation of the municipal water tap and associated piping. B. Provide materials required by local code for installation of the water meter and vault and associated piping. 2.04 SLEEVING A. Sleeving beneath drives and streets shall be PVC Class 200 pipe with solvent welded joints. B. Sleeving diameter: equal to twice that of the pipe or wiring bundle. 2.05 PIPE AND FITTINGS A. Mainline Pipe and Fittings: 1. Use rigid, unplasticized polyvinyl chloride (PVC) 1120, 1220 National Sanitation Foundation (NSF) approved pipe, extruded from material meeting the requirements of Cell Classification 12454-A or 12454-13, ASTM Standard D1784, with an integral belled end. 2. Use Class 200, SDR-21, rated at 200 PSI, conforming to the dimensions and tolerances established by ASTM Standard D2241. Use PVC pipe rated at higher pressures than Class 200 in the case of small nominal diameters which are not manufactured in Class 200. 3. Use solvent weld pipe for mainline pipe with a nominal diameter less than 3-inches or where a pipe connection occurs in a sleeve. Use Schedule 40, Type 1, PVC solvent weld fittings conforming to ASTM Standards D2466 and D1784. Use primer approved by the pipe manufacturer. Solvent cement to conform to ASTM Standard D2564. B. Lateral Pipe and Fittings: 1. For drip irrigation laterals downstream of zone control valves, use UV radiation resistant polyethylene pipe manufactured from Prime Union Carbide G-resin 7510 Natural 7 manufactured by Union Carbide or a Union Carbide Licensee with a minimum of 2% carbon black, and minimum nominal pipe ID dimension of O.S10" for 3/4 inch pipe. Use PVC/compression line fittings compatible with the drip lateral pipe. Use tubing stakes to hold above -ground pipe in place. C. Specialized Pipe and Fittings: 1. Copper pipe: Use Type "K" rigid conforming to ASTM Standard B88. P:\Street Oversivng\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 5 Ziegler Road / Kechter Road Rmndabout Project Date: April 11, 2006 Use wrought copper or cast bronze fittings, soldered or threaded per the installation details. Use a 95% tin and 5% antimony solder. 2. Use a dielectric union wherever a copper -based metal (copper, brass, bronze) is joined to an iron - based metal (iron, galvanized steel, stainless steel). 3. Assemblies calling for pre -fabricated double swing joints shall utilize LASCO Unitized swing joints or approved equal. Swing joints shall be rated at 315 psi, and use 0-ring and street elbow construction. 4. Assemblies calling for threaded pipe connections shall utilize PVC Schedule 80 nipples and PVC Schedule 80 threaded fittings. 5. Joint sealant: Use only Teflon -type tape pipe joint sealant on plastic threads. Use nonhardening, nontoxic pipe joint sealant formulated for use on water -carrying pipes on metal threaded connections. 2.06 MAINLLINE COMPONENTS A. Main System Shutoff Valve: As per local practice and in compliance with local code. B. Winterization Assembly: As per local practice and in compliance with local code. C. Backflow Prevention Assembly: As presented in the installation details. D. Quick Coupling Valve Assembly: Double swing joint arrangement as presented in the installation details. 2.07 DRIP IRRIGATION COMPONENTS A. Remote Control Valve (RCV) Assembly for Drip Laterals: As presented in the installation details. Use wire connectors and waterproofing sealant to join control wires to solenoid valves. Use standard Christy I.D. tags with hot -stamped black letters on a yellow background. Install a separate valve box over a 3-inch depth of/a-inch gravel for each assembly. B. Flush Cap Assembly: as presented in the installation details. Locate at the end of each drip irrigation lateral pipe. Install a separate valve box over a 3-inch depth of/4-inch gravel for each assembly. 2.08 CONTROL SYSTEM COMPONENTS A. Irrigation Controller Unit: 1. Rain Bird UNIK Battery -operated controller with one ("1) field transmitter for the project, and one (1) control module for each remote control valve on the project. NOTE: This controller should only be used if there is no power source available. 2.09 OTHER COMPONENTS A. Tools and Spare Parts: Provide operating keys, servicing tools, test equipment, other items, and spare parts indicated in the General Notes of the drawings. END OF PART 2 - MATERIALS P:\Street Oversiringlziegler Road Kechter Road RoundaboutBid Docs\Construction Spees\Landseaping Specs Landscaping Technical Specs - 6 Ziegler Road / Keeltter Road Rmndabout Project PART 3 - EXECUTION 3.01 INSPECTIONS AND REVIEWS A. Site Inspections: Date: April 11, 2006 1. Verify site conditions and note irregularities affecting work of this section. Report irregularities to the Owner's Representative prior to beginning work. 2. Beginning work of this section implies acceptance of existing conditions. 3. Contractor will be held responsible for coordination between landscape and irrigation system installation. 4. Landscape material locations shown on the Landscape Plan shall take precedence over the irrigation system equipment locations. If irrigation equipment is installed in conflict with the landscape material locations shown on the Landscape Plan, the Contractor will be required to relocate the irrigation equipment, as necessary, at Contractor's expense. B. Utility Locates ("Call Before You Dig"): 1. Arrange for and coordinate with local authorities the location of all underground utilities. 2. Repair any underground utilities damaged during construction. Make repairs at no additional cost to the contract price. C. Irrigation Svstem Layout Review: Irrigation system layout review will occur after the staking has been completed. Notify the Owner's Representative two days in advance of review. Modifications will be identified by the Owner's Representative at this review. 3.02 LAYOUT OF WORK A. Stakeout the irrigation system. Items staked include: pipe, control valves, and isolation valves. B. Install all mainline pipe and mainline components inside of project property lines. 3.03 EXCAVATION, TRENCHING AND BACKFILLING A. Excavate to permit the pipes to be laid at the intended elevations and to permit work space for installing connections and fittings. B. Minimum cover (distance from top of pipe or control wire to finish grade): 1. 18-inch over mainline pipe. 2. 3-inch minimum mulch cover over drip lateral pipe in planting beds downstream of drip system zone control valves. 3. PVC UV radiation resistant lateral pipe shall be installed directly on the soil surface. C. Backfill only after lines have been reviewed and tested. D. Excavated material is generally satisfactory for backfill. Backfill shall be free from rubbish, vegetable matter, frozen materials, and stones larger than 2-inches in maximum dimension. Remove material not suitable for backfill. Backfill placed next to pipe shall be free of sharp objects which may damage the pipe. Stones larger than 1-inch maximum dimension are not permitted in first (deepest) 6-inches of backfill. E. Backfill unsleeved pipe in either of the following manners: 1. Backfill and puddle the lower half of the trench. Allow to dry 24 hours. Backfill the remainder of the trench in 6-inch layers. Compact to density of surrounding soil. P:1Street Oversiang\Ziegler Road Kechter Road RouidaboutBid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 7 Ziegler Road / Kechter Road Roundabout Project Date: April it, 2006 2. Backfill the trench by depositing the backfill material equally on both sides of the pipe in 6-inch layers and compacting to the density of surrounding soil. F. Enclose pipe beneath roadways, walks, curbs, etc. in sleeves. Minimum compaction of backfill for sleeves shall be 95% Standard Proctor Density, ASTM D698-78. Conduct one compaction test for each sleeved crossing less than 50 feet long. Conduct two compaction tests for each sleeved crossing greater than 50 feet long. Costs for such testing and any necessary retesting shall be borne by the Contractor. Use of water for compaction around sleeves, "puddling", will not be permitted. G. Dress backfllled areas to original grade. Dispose of excess backfill off site. H. Where utilities conflict with irrigation trenching and pipe work, contact the Owner's Representative for trench depth adjustments. 3.04 IRRIGATION TAP AND WATER METER A. Install the municipal water tap and associated piping materials in conformance with local regulations. B. Install the water meter and vault and associated piping in conformance with local regulations. 3.05 SLEEVING AND BORING A. Install sleeveing at a depth which permits the encased pipe to remain at the specified burial depth. B. Extend sleeve ends six inches beyond the edge of the paved surface. Cover pipe ends and mark with stakes. Mark concrete with a chiseled "x" at sleeve end locations. C. Bore for sleeves under obstructions which cannot be removed. Employ equipment and methods designed for horizontal boring. 3.06 ASSEMBLING PIPE AND FITTINGS A. General: 1. Keep pipe free from dirt and pipe scale. Cut pipe ends square and debur. Clean pipe ends. 2. Keep ends of assembled pipe capped. Remove caps only when necessary to continue assembly. B. Mainline Pipe and Fittings: 1. Use only strap -type friction wrenches for threaded plastic. pipe. 2. PVC Solvent Weld Pipe: a. Use primer and solvent cement. Join pipe in a manner recommended by the manufacturer and in accordance with accepted industry practices. b. Cure for 30 minutes before handling and 24 hours before allowing water in pipe. c. Snake pipe from side to side within the trench. 3. Fittings: The use of cross type fittings is not permitted. 4. UV Radiation Resistant Polyethylene Pipe: a. Join pipe in the manner recommended by manufacturer and in accordance with accepted industry practices. b. Snake pipe from side to side within the trench, on the soil surface, and hold in place with tubing stakes spaced every five feet. 5. Fittings: The use of cross type fittings is not permitted. C. Specialized Pipe and Fittings: 1. Copper Pipe: a. Buff surfaces to be joined to a bright finish. Coat with solder flux. P:\Street Oversiang\Ziegler Road Kechter Road Roundaboul id Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 8 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 1. Prior to the Pre -Maintenance Review, supply to the Owner operating keys, servicing tools, test equipment, and any other items indicated on the drawings. 2. Prior to Final Review, supply to the Owner the spare parts indicated in the General Notes on the drawings. B. Other Materials: Install other materials or equipment shown on the drawings or installation details to be part of the irrigation system, even though such items may not have been referenced in these specifications. 3.11 PROJECT RECORD (AS -BUILT) DRAWINGS A. Maintain on -site and separate from documents used for construction, one complete set of contract documents as Project Documents. Keep documents current. Do not permanently cover work until as - built information is recorded. B. Record pipe and wiring network alterations. Record work which is installed differently than shown on the construction drawings. Record accurate reference dimensions, measured from at least two permanent reference points, of each irrigation system valve, each backflow prevention device, each sleeve end, and other irrigation components enclosed within a valve box. C. Prior to Final Review, purchase from the Owner's Representative a reproducible mylar copy of the drawings. Using technical drafting pen, duplicate information contained on the project drawings maintained on site. Label each sheet "Record Drawing". Completion of the Record Drawings will be a prerequisite for the Final Review. 3.12 MAINTENANCE A. Upon completion of Final Review, maintain irrigation system for duration of 2 years. Make periodic examinations and adjustments to irrigation system components so as to achieve the most desirable application of water. B. Following completion of the Contractor's maintenance period, the Owner will be responsible for maintaining the system in working order during the remainder of the guarantee/warranty period, for performing necessary minor maintenance, for trimming around sprinklers, for protecting against vandalism, and for preventing damage during the landscape maintenance operation. 3.13 CLEAN-UP A. Upon completion of work, remove from the site all machinery, tools, excess materials, and rubbish. END OF PART 3 — EXECUTION END OF IRRIGATION SECTION P:\Street Oversiaug\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs Landscaping Specs Landscaping Technical Specs - 10 REVISED BID SCHEDULE ADDENDUM 1 604-10 Concrete Encasements 8 EA 604-11 10 Mill Viscreen Plastic 2303 SF 604-12 1 1/2" Class 200 PVC Irrigation Main 130 LF 604-13 4" Conduit Sleeving 200 LF 604.14 6" Conduit Sleeving 250 LF 607-01 Smooth Wire Fence 515 LF 608-01 Colored Concrete Truck Ramp (Approved Red) - 6" 2563 SF 608-02 4'-5'-6'-7'-8' Sidewalk 13301 SF 608-03 Enhanced Colored Concrete Cross Walks (Red) w/ 2' stamped borders 1578 SF 608-04 Expossed Aggregate Concrete Median Splashblock " San Diego Buff' 6117 SF 608-05 Flowfill Over Shallow Utilities 300 LF 608-06 Flowable Fill Concrete 100 CY 608-07 High Early Concrete (24 Hour) 75 CY 608-08 MSE Amastone Wall in the Center Median of the Roundabout 190 LF 609-01 30" Vertical Curb & Gutter 1836 LF 609-02 30" Vertical Curb & Gutter (6" Mountable 2' Inflow Gutter between ramps in all comers) 442 LF 609-03 18" Ouffall Curb & Gutter 1060 LF 609-04 18" Outfall Curb & Gutter (6" Mountable 2' Ouffall Gutter around center island) 263 LF 609-05 R&R Vertical Curb and Gutter 20 LF 609-06 R&R Concrete Sidewalk 30 SF 619-01 Abandon Existing FCLWD Water Valves (cut out valves and put solid sleeves to replace) 2 EA 619-02 24" Ultra Rib PVC Irrigation Pipe 733 LF 619-03 4' dia. Flat Top Manholes 6 EA 619-04 5' x 5' Concrete Irrigation Splitter Box w/ 2 "W atermain" 24" C-9 Slide Gates (see detail) 2 EA 619-05 Tie To Existing Irrigation 2 EA 619-07 3/4" Irrigation Service: Meter Pit/ Backflow Prevented Metal Screen Cover (Per Detail) 1 LS Subtotal Ziegler Road and Kechter Road Roundabout Quantities: s Ziegler Road / Kechter Road Roundabout Project SECTION 2900 LANDSCAPE PLANTING PART 1- GENERAL 1.01 RELATED DOCUMENTS Date: April 11, 2006 The general provisions of the contract, including General and Supplementary Conditions and Division 1, General Requirements, apply to the work specified in this Section. 1.02 DESCRIPTION OF WORK A. Furnish all labor, materials, supplies, equipment, tools and transportation, and perform all operations in connection with and reasonably incidental to complete installation of the planting and guarantee as shown on the drawings and as specified herein. The work shall include, but not be limited to the following: 1. Procurement of all applicable licenses, permits, and fees. 2. Determination of utility locations prior to construction. D. Site inspection. 4. Planting of trees, shrubs, perennials, and turf installation. 5. Soil Preparation and Fine Grading. 6. Staking and guying of trees. 7. Mulching of all trees and shrubs. 8. Cleanup, inspection, and approval. 9. Guarantee of all plantings. 10. Maintenance. 11. All work of every description mentioned in the Drawings and Specifications and/or Addenda thereto. B. Related Work Specified Under Other Sections: Consult all other Sections, determine the extent and character of related work, and properly coordinate work specified herein with that specified elsewhere to produce a finished, workmanlike installation. 1.03 PROTECTION OF EXISTING FEATURES A. Protect all existing site development including, but not limited to, existing buildings, equipment, underground utilities, walls, walks, roads, materials, trees, etc. Any existing site development damaged by willful or negligent acts of the Contractor, Sub -Contractor or any of the employees shall be replaced or repaired at no cost to the Owner and in a manner satisfactory to the Owner's Representative before project acceptance is given. B. The above provision applies to on -site -damage as well as to that which may occur to adjacent properties. C. Until the project has been accepted, erect and maintain shoring, barricades, guards, warning lights and lights as necessary or required for the protection of the public, the work and the workers. 1.04 SUBMITTALS P:\Street oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Spe&Landscaping Specs Landscaping Technical Specs - 11 Ziegler Road / Kechter Road Rcundabout Project Date: April 11, 2006 Submit duplicate samples and manufacturer's guaranteed analysis of the following items and such other materials as may be required by the Owner's Representative and obtain written approval there of before beginning fabrication or delivery of material to the project site. Finished work shall match approved samples. 1. Soil amendments and mulch materials. 2. Tree ties and guying materials. 3. Fertilizers 1.05 ANALYTICAL TESTS Submit 2 copies of an analytical test, performed by certified soil laboratory, demonstrating compliance with these specifications for the composted manure and peat moss. 1.06 INSPECTIONS A. Pre -Planting Inspection: 1. All plant materials must be inspected at the place of growth and/or on the project site before planting commences. Plants shall be inspected for.size, variety, condition, defects or injury. The Owner's Representative reserves the right to reject unsatisfactory plant material at any time during the work. 2. Notify the Owner's Representative of the source of material no later than 30 days after award of the contract. 3. All fertilizers, pre -mixed backfill mixes, mulches and soil amendments will be inspected at the site by the Owner's Representative before they are used in planting operations. B. Planting Inspections: 1. Owner's Representative shall inspect the staked location of all trees prior to the planting of those trees. 2. Owner's Representative shall inspect container stock with said plants set on the ground at the proposed locations before digging commences. C. Pre -Maintenance Inspection: 1. As soon as all planting is completed, the Owner's Representative upon request of the Contractor will hold a planting review and preliminary inspection to determine the condition of the plantings. 2. The Contractor shall have all planting areas free of weeds and neatly cultivated. Irrigation systems shall be fully operational with all heads properly adjusted. All debris and litter shall be cleaned up and walkways, curbs and roads shall be cleared of all soil and debris. The inspection shall not occur until these conditions are met. 3. If, after the inspection, the Owner's Representative is of the opinion that all work has been performed as per the contract documents, and that all plant materials are in satisfactory growing condition, he will give the Contractor written notice of acceptance. 4. Work requiring corrective action in the judgment of the Owner's Representative shall be performed within ten (10) days. Corrective work and materials replacement shall be in accordance with the contract documents, and shall be made by the Contractor at no cost to the Owner. P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 12 Ziegler Road 1 Kecbter Road Rmndabout Project D. Final Inspection: Date: April It, 2006 L. At the completion of the two growing season maintenance period, the final inspection shall be performed. 2. If, after the inspection, the Owner's Representative is of the opinion that all work has been performed as per the contract documents, and that all plant materials are in satisfactory growing condition, he will give the Contractor written notice of acceptance and completion of the formal maintenance period. 3. Final approval will not be given until all deficiencies are corrected. 1.07 GUARANTEE A. Guarantee trees, shrubs, ground covers and other plant material to root, thrive and be free from defects from any cause for two years, from pre -maintenance inspection to finial approval by the owner. B. Any trees or other plant materials that die back and lose the form and size originally specified shall be replaced, even though they have taken root and are growing after the dieback. C. Within 15 days of written notification by the Owner, remove and replace all guaranteed plant materials which, for any reason, fail to meet requirement of guarantee. Replacement planting for trees shall be done in the spring planting season only, except as approved otherwise. Replacements shall be made to same specifications required for original materials and shall carry the same guaranty from the time they are replaced. D. Plants shall be planted only when weather and soil conditions permit and in accordance with locally accepted practices, and as approved by the owner's representative. E. Trees shall be planted in same growing season as they were dug. END OF PART 1 - GENERAL P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 13 Ziegler Road / Kechter Road Raindabout Project PART 2-PRODUCTS 2.01 TREES, SHRUBS, AND GROUND COVERS Date: April 11, 2006 A. Quantities: Plant material shall be furnished in quantities required to complete work as indicated on the Drawings and shall be of species, kinds, sizes, etc., specified. B. Nomenclatures: Plant names listed on Drawings conform to standardized plant names established by the American Joint Committee on Horticulture Nomenclature, except that for names not covered therein, the established custom of the nursery trade is followed. C. Quality: Plants shall be symmetrical and typical for species and variety. Plants shall be sound, healthy, vigorous, and free from disease and insect pests or their eggs. All plant material shall conform to the requirements of the Colorado Nursery Act of 1965, Title 35, Article 26, and CRS1973. D. Digging, wrapping, and handling: Plants shall be dug and prepared for shipment in a manner that will not cause damage to branches, shape and future development after planting. E. Balled and burlapped plants: Shall be nursery grown stock adequately balled with firm, natural balls of soil in sizes and ratios conforming to the Colorado Nursery Act as cited above. Balls shall be firmly wrapped with non -treated burlap, secured with wire or jute. Broken balls will not be accepted. Ponderosa Pine may be collected with root ball sizes in conformance with the Colorado Nursery Act as cited above. F. Container grown plants: Shall have been nursery grown in containers and shall have sufficient roots to hold the entire soil mass together after container removal without being root -bound. G. Options as to method: If all other requirements are met, a balled and burlapped plant may be s substituted for a container grown plant. H. Plant protection: Plants shall be handled so that roots are adequately protected at all times from drying out and from other injury. Cover balls of balled plants, which cannot be planted within 24 hours from delivery, with mulch or other suitable material. Where possible, store plants in the shade. Keep all plant roots moist before, during, and after planning. Pruning: Trees shall not be pruned, except by City Forestry staff. Dead and broken shoots should be pruned out of woody shrub material. Substitutions: Will be allowed only when specified material is proved unavailable and only with approval of the Owner's Representative. Proposals will be considered for use of nearest equivalent size or species and variety with the equitable adjustment to the Contract price. K. Trees dug and held over from a previous growing season will not be accepted for use. 2.02 SOIL AMENDMENTS/FERTILIZERS/MULCHES A. Topsoil: imported and on site topsoil (located in stockpile on site) for use in backfill mix. Topsoil to be a mix of 75% topsoil and 25% composted manure mixed well prior to being placed in median and in parkway tree pits. Topsoil shall be free of all foreign material and screened and ground to eliminate clumps larger than 1" in diameter. Submit sample for approval to the City Forestry. P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 14 Ziegler Road / Kechter Road Raindabout Project Date: April 11, 2006 B. Composted Manure: Composted dairy cow: Free from lumps, stones, or other foreign matter. Free from mineral matter or chemical composition harmful to plant life. Compost shall meet the following requirements. Submit analysis of all the requirements listed below. Minimum Stability Indicator (Respirometry) Maturity Indicator Expressed as Ammonia N / Nitrate N Ratio Maturity Indicator Expressed as Carbon to Nitrogen Ratio Maturity Indicator Expressed as Percentage of Germination / Vigor Ag Index- Acceptable Range pH- Acceptable Range Soluble Salts- Acceptable Range Testing and Test Report Submittal Requirements Chemical Contaminants Bulk Density, % Inorganic: % Moisture; Particle Size Distribution; Secondary Nutrients; Trace Elements; Organic Matter Expressed in Percentage and Pounds Per CY Pathogens Stable <6 <18 N/A >10 6.0-8.2 5-10 mmhos/cm STA/TMECC Meet or exceed US EPA Class A standard, 40 CFR 503. 13, Tables 1 & 3 levels. Must Report Meet or exceed US EPA Class A standard, 40 CFR 503.32 (a) levels. P:\Street Oversiang\Ziegler Road Kechter Road RoondaboutRid Docs\Construction Specs\l-andscaping Specs Landscaping Technical Specs - 15 Ziegler Road / Kechter Road Rmndabout Project Date: April 11, 2006 C. Peat Moss for annuals and perennials: Free from lumps, stones or other foreign matter. Free from mineral matter or chemical composition harmful to plant life. Acid reaction of 3 to 5 pH. Shall contain no less than 60% organic matter by weight on an oven -dry basis. Submit analysis as required by 1.04. D. Fertilizers: 1. Tablets for tree and shrub planting - "The Pill" by Agriform with 20-10-5 analysis, 21 gram size, Osmocote Sierrablend, 9 month slow release or industry equivalent. 2. Fertilizers for grass, shrub and tree planting shall be commercial type of uniform composition, free flowing, and conforming to the applicable State and Federal laws. Submit manufacturers guaranteed analysis as required in 1.03. Guaranteed analysis shall be designed to conform to amendment requirements given in Part 3, "Execution." E. Mulch: 1. Bark Mulch: Cedar mulch must be approved by City Parks Division prior to installation. 2.03 SEEDING MATERIALS A. Grass Seed: 1. Seed shall be and have been tested for purity, germination and freedom from weeds with in 6 months of the date of contract. All seed shall be free of Poa annua, noxious weeds and shall not exceed 0.1% crop seed. Unless other wise directed by the Owner/ Representative, seed germination shall equal or exceed 90% and a purity of 85%. B. Grass Seed Mixtures 1. 50% Kentucky Bluegrass Varieties will be decided and finalized Poa pratensis 80-85-0.0.50 based on soil testing results. 30% Chewings Red Fescue Festuca rubra var. 85 98 0.50 10% Perennial Ryegrass Lolium perenne 90 9S 0.50 10% Redtop Agrostis alba 85 92 1.00 C. Mulch 1. Seed Mulch: Wood cellulose fiber mulch, dyed green, Conwed "Hydro -Mulch 2000 Fiber" with tacifier, straws, or approved equal. 2. Hay or Straw: Grass hay or cereal grain straw should be uniformly spread at 2 tons per acre and mechanically crimped into the soil. 3. Erosion Control Fabric: 100% agricultural straw blanket with nonphotodegradable netting both sides similar to North American Green, 5150 or as otherwise specified. 2.04 MATERIALS FOR STAKING AND GUYING A. Stakes: Metal T-posts painted dark green or black. B. Ties: Fabric: Nylon canvas or rubberized cloth straps, 2" x length required. END OF PART 2 - PRODUCTS P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid DocACoostruction Specs\Landscaping Specs Landscaping Technical Specs - 16 Ziegler Road / Kechter Road Raindabout Project PART 3 - EXECUTION 3.01 GENERAL Date: April 11, 2006 A. Inspection: Examine the substrate in which the work is to be performed. Do not proceed until unsatisfactory conditions have been corrected. B. Dimensions: All scaled dimensions are approximate. Before proceeding with any work, carefully check and verify all dimensions and quantities and immediately inform the Owner's Representative of any discrepancy between the drawings and/or specifications and actual conditions. C. Coordination: Coordinate work with other trades to insure proper sequencing of construction. 3.02 SOIL PREPARATION A. Grades have been established under work of another Section to within 1" plus or minus, of required finished grades. Verify that grades are within 1" plus or minus, of required finished grades. Notify the Owner's Representative prior to commencing soil preparation work if existing grades are not satisfactory, or assume responsibility for conditions as they exist. B. Weed and debris removal: All ground areas to be planted shall be cleaned of all weeds and debris prior to any soil preparation or grading work. Weeds and debris shall be disposed of off the site. C. Contaminated soil: Do not perform any soil preparation work in areas where soil is contaminated with cement, plaster, paint or other construction debris. Bring such areas to the attention of the Owner's Representative and do not proceed until the contaminated soil is removed and replaced. Soil contaminated by chemical herbicides in any planting areas shall be removed to a depth of 12" and replaced with clean herbicide -free topsoil. D. Moisture Content: Soil shall not be worked when moisture content is so great that excessive compaction will occur, nor when it is so dry that excessive dust will form in the air or that clods will not break readily. Water shall be applied, if necessary, to bring soil to an optimum moisture content for tilling and planting. 3.03 SOIL CONDITIONING MEDIANS & PARKWAYS A. Median areas shall be excavated below the base of the splash block 24" and then filled with the specified mix (2.02a). The subgrade will be scarified to a 6" depth parallel to the way the median runs, to allow for drainage and root movement. The specified topsoil and compost mix shall be thoroughly mixed prior to placement and filled to within 1 1/2" of the top edge of the splash block. The soil in the medians shall be graded to a level surface B. Parkways shall be toughly cultivated 8" deep breaking up all clods to 1" largest dimension or less. Compost shall be applied at 3cubic yards per 1000 square feet and toughly mixed in to the top 8" of the parkway soil. 3.04 FINE GRADING When weeding, soil preparation, and soil conditioning have been completed and soil has been thoroughly water settled, all planting areas should be smooth -graded, ready for placement of plant materials. A. Grades: Finish grades shall conform to site grading plans and produce a smooth even surface without P:\Street Oversiang\Ziegler Road Keehter Road RoundaboutBid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 17 Ziegler Road / Kechter Road Roundabout Project Date: April 11, 2006 (3") inches top of root ball as follows: 1 for 1-gallon containers, 3 for 5-gallon containers and 5 for balled and burlapped material. 4. Remove wire baskets from root balls. Untie and lay back burlap from root ball on balled and burlapped material. 5. Backfill entire hole with backfill mixture to grade and water thoroughly to eliminate all air pockets without packing the soil. Allow soil to settle from watering. Add backfill mixture as required. 6. Fiatgrown plant material - Install plants at spacing indicated on the drawings. Plant in staggered rows, evenly spaced. Dig holes large enough to allow for spreading of roots. Place plants to root system lies free without doubling. Firm soil around roots to eliminate air pockets. Broadcast controlled release fertilizer over the entire planting area at the rate of 20 pounds per 1000 square feet of area. 3.07 MULCHING A. All planting beds, medians and parkway tree with 4' diameter grass free tree ring shall be mulched with a four (4") inch layer of cedar mulch. 3.08 TREE STAKING AND GUYING A. Double stake all trees. Set stakes in line with median or parkway. Leave straps loose enough to allow a minimum of 3 lateral movement. 3.09 SEEDING NEW LANDSCAPE A. Submit in accordance with the Federal Seed Act, seed vendor's certified statement for each grass seed mixture required, stating botanical and common name, percentage by weight, and percentage of purity, germination and weed seed for each grass seed species. B. Prior to turf construction assure irrigation system is fully operational and properly adjusted. C. Perform seeding work only at seasonal times, which will provide optimum growing conditions. Do not seed after September 15 nor before all frost is out of the ground. D. Seeding New Lawns 1. Seed shall be spread evenly at the rate of (specify rate/5-7 lbs for Blue, P. Rye, Fine Fescue- 7-9 lbs for tall Fescue.), when winds are calm, using a Brillion seeder or approve equal. If hydro mulch is specified, seed shall be applied separately, not mixed in the mulch. 2. Seed mulch shall consist of and applied at the rate of (To Be Determined At Time Of Seedin ) per 1000 ft. sq. Mulch shall be irrigated to settle and reduce blowing on the same day as it was applied. 3. Do not use wet seed or seed that is moldy or otherwise damaged in transit or storage. 4. Sow lawn grass seed using mechanical drill type (Brillion) seeding machine for slopes 4:1 and flatter and for slopes steeper than 4:1 sow seed with hydroseeder. Distribute seed evenly over entire area by sowing equal quantity in two directions at right angles to each other. 5. If hydro mulch is required, apply seeds separately, mulch. Do not mix seed with mulch. 6. Sow native grass seed areas using hydraulic seeding equipment suited to conditions and capable of uniform sowing of seed and coverage of mulch. 7. For areas inaccessible to seeding machine or if its use is not required, rake seed lightly into top 0.125" of soil, roll lightly, and water with a fine spray. Cover with approximately 0.5" layer of peat mulch. P:\Street Oversiting\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 19 Ziegler Road / Kechter Road Rmndabout Project Date: April 11, 2006 8. Protect against erosion by spreading specified lawn mulch hydraulically at rate of not less than 46 lbs. per 100 sq. ft. Apply within 24 hours of seeding. 9. Protect seeded slopes (greater than 2:1 vertical) against erosion with erosion control fabric or other methods acceptable to the Owner's/Representative. Secure netting with staples. 10. Install erosion control fabric around rotary pop-up heads in seeded areas in a 4'x4' square centered on each head. Pin or staple securely at corners. 11. Drill seeding (Brillion) is recommended if accessible. Slopes can be hydroseeded. Hydromulch: Wood cellulose fiber, dyed green, should be applied at 1500-2500#/Acre with organic tackifier (Alpha Plantago) at 150-200#/Acre or Conwed "Hydro -Mulch 2000 Fiber" at same rate. Material rates should be adjusted according to slope and erosion conditions. Hose work may be required in narrow areas, where there is a lot of landscape or seeding is adjacent to building. 3.10 TWO GROWING SEASON MAINTENANCE PERIOD A. Continuously maintain all plantings in areas included in the Contract from the beginning of Contract work, during the progress of work, and for two (2) full growing seasons after pre maintenance inspection until final approval of all Contract work by the Owner. B. Scope: 1. New plantings. 2. Existing plantings within the construction area. 3. Continuous operations of watering, weeding, cultivating, mowing, trimming, edging, rolling, fertilizing, spraying, insect, pest, fungus, and rodent control, and any other operations to assure good normal health, and attractive well maintained appearance. Weed Control: a. Apply appropriate herbicide(s) in accordance with manufacturer's suggested retail rate(s) to control weeds. Herbicide application must comply with all requirements herbicide/pesticide applicators license, including suitable warning/signing following application. Herbicide applications and chemicals to be used will be approved by the City Forester. Extreme caution must be used when applying herbicides near any tree, shrub or groundcover. b. Disease and Insect Control: Apply fungicides and insecticides as required to control diseases and insects. A licensed applicator must perform this work in accordance with state law requirements. c. Watering: Contractor shall be responsible for watering of landscape areas to insure performance under this Section. Apply the amount of water necessary to maintain plants in a healthy condition until the end of the two year warranty period. d. Protection: i) Provide sufficient barriers and signage notifying the public to keep off newly planted areas. ii) Work under this Section shall include complete responsibility for maintaining adequate protection for all areas. Any damaged areas shall be repaired at no additional expense to the Owner. 4. Mow grass in sodded areas to maintain 2-to 3-inch height until final acceptance of project and turnover to City. Mow at a frequency that removes less than 1/3 the length of grass blade at any one mowing. 5. Apply custom blend of fertilizer in split applications in early fall and late spring. Two-thirds of the nitrogen should be applied in the fall and one-third in the spring. 6. Planting Bed and Mulch Surface Maintenance Requirements a. Mulch all tree plantings four inches deep with cedar mulch, unless otherwise indicated on the Drawings. Adding mulch during maintenance period as directed by the city Forester. b. Remove all weed growth on a monthly basis, including those growing in cracks and curbs. 7. Maintenance for Trees and Shrubs P:\Street Oversivng\Ziegler Road Kechter Road Roundaboutl3id DocsTonstruction SpecslLandscaping Specs Landscaping Technical Specs - 20 Ziegler Road / Kechter Road Rmndabout Project Date: April 11, 2006 a. Water all trees and shrubs to insure optimal growth and establishment during the two growing season maintenance period as required by this Section. New trees should receive two inches per week of irrigation during the first growing season applied over the root system. Normal turf irrigation is generally adequate (one inch per week) for the second growing season. Irrigation rates should be adequate for new trees' establishment even when that is greater than water demand for turf. It is the contractor's duty to determine and supply the water needs of trees and shrubs. b. Inspect new plantings on a regular basis. c. Remove tree wrap the next spring season after planting. d. Re -mulch trees on an annual basis to maintain a four -inch deep mulch cover. Maintain tree rings in turf zones as weed and grass free. e. Insect and disease levels shall be monitored and control measured implemented when necessary following IPM practices. Check with Assistant City Forester prior to implementing any control measures. f. Remove all tree stakes and guy wires from trees after the first full year of maintenance. g. Fertilizing: In addition to fertilizing of trees, shrubs, ground covers, and lawns herein specified, furnish and apply any additional fertilizers necessary to maintain plantings in a healthy, green, vigorous growing condition during the. maintenance period. Do not over apply fertilizer. 8. Inspection: a. The Contractor shall notify the Owner's Representative prior to fertilizing, and spraying operations. b. The Owner's Representative shall perform periodic inspections during the growing season of the site with the Contractor to determine that maintenance is sufficient to insure a healthy condition of the landscape work. A final inspection will be held at the end of the two growing season maintenance period. c. The Landscape Contractor shall be available to meet on site with the Owner's Representative at any time within 24 hours notice during the construction, establishment, or maintenance period. d. Replacements: Immediately replace any plant materials that die or are damaged. Lawns that do not grow shall be resodded. Replacements shall be made to the Specifications as required for original plantings. 3.11 CLEAN UP A. Remove all cans, surplus materials, and other debris from site. Neatly dress and finish all planting areas. Flush walks, paved areas, and the like, clean to the satisfaction of the Owner's Representative. If needed storm drain inlets will be cleaned from debris flushed into the system from cleaning of the constructed area. B. Rinse foliage of all plant materials within the construction area as often as necessary to keep the foliage free from dust generated by the work of this contract. END OF PART 3 — EXECUTION END OF PLANTING P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutSid Docs\Construction Specs\Landscaping Specs Landscaping Technical Specs - 21 REVISED BID SCHEDULE ADDENDUM 1 FCLWD 24" Waterline Protect Quantities: Rotomill 2" of asphalt from Ziegler Rd centerline station 36+46 to 44+97 (existing seam to lip of 202-21 gutter) 2330 SY 202-22 Removal of Asphalt prior to installation of waterline from Ziegler Rd centerline Sta. 44+97 to 50+50 209 TON 203-16 Remove / Replace Unsuitable trench backfill (Sta. 36+96 to 45+06) assuming 3' depth x 2' width 180 CY 203-17 Remove / Replace Un-suitable trench backfill (Sta. 45+06 to 56+51) assuming 3' depth x 2' width 254 CY 403-05 "T" patch following installation of waterline (for limits of item 1) 306 TON 403-06 "T" patch following installation of waterline (for limits of item 3) 105 TON 403-07 2" Overlay, Grade 5-100 - (PG 64-28) Ziegler Road centerline station 36+46 to 44+97 256 TON 619-07 Tie To Existing 1 LS 619-08 24" Cl 52 DIP, double strap bonded, non -restrained w/ polywrap 1940 LF 24" Cl 52 DIP, double strap bonded, restrained using Field Lok restraint, w/ potywrap, Ste. 36+96 to 619-09 37+76 and 56+15 to 57+45 210 LF 24" CI 52 DIP, double strap bonded, restrained using Field Lok restraint, w/ polywrap supported with 619-10 casing chocks, installed in ex. 36" steel casing 210 LF 619-11 24" Bends & Thrust Blocks 2 EA 619-12 Concrete encasement of existing 30" RCP storm sewer 1 LS 619-13 24"x22 1/2 degree vertical bends with mechanical restraint 4 EA 619-14 Air/Vac valve and vault assembly 1 EA 619-15 24" x 45 degree horizontal bend with thrust blocks, rotate fitting to achieve required vertical alignment 2 EA 619-16 24"x6" Reducer with Fire Hydrant and Thrust Block, Mark End of Waterline Construction 1 LS Subtotal FCLWD 24" Waterline Project Quantities: $ Ziegler Road / KechterRoad Roundalnut Project Date: April 10, 2006 ZIEGLER ROAD AND KECHTER ROAD ROUNDABOUT PROJECT The Colorado Division of Highways "Standard Specifications for Road and Bridge Construction" (2005), except as revised herein, is hereby adopted as a minimum standard of compliance for this project. The City of Fort Collins Storm Drainage Construction Standards, City of Fort Collins Water Utilities Standard Construction Specifications, Larimer County Urban Area Street Standards, the Fort Collins — Loveland Water District and South Fort Collins Sanitation District Standards, and City of Fort Collins Work Area Traffic Control Handbook, shall also serve as minimum standards of compliance for this project. They are not included in the contract documents, but may be obtained at the appropriate City Departments. It shall be the Contractor's responsibility to purchase and familiarize themselves with all of the City Department Specifications. These project specifications, City Department specifications, and CDOT standard specifications are considered minimum standards for compliance on this project. In those instances where the CDOT Standard Specifications conflict with the City specifications listed above, the City specifications shall govern. In those instances where the CDOT Standard Specifications conflict with any of the provisions of the preceding Sections 00001 through 01750, General Requirements, the preceding sections shall govern. PROJECT CONSTRUCTION SPECIFICATIONS INDEX OF REVISIONS SECTION PAGE 102 COST PLUS TIME BIDDING.............................................................................. Technical Specs 3 202 REMOVALS............................................................................................................ Technical Specs 4-6 203 EXCAVATION AND EMBANKMENT.............................................................. Technical Specs 7-9 208 EROSION CONTROL.......................................................................................... Technical Specs 10 210 RESET STRUCTURES.......................................................................................... Technical Specs 11 - 13 304 AGGREGATE BASE COURSE........................................................................... Technical Specs 14 306 RECONDITIONING..............................................................................................Technical Specs 15 307 FLY ASH SUBGRADE STABILIZATION......................................................... Technical Specs 16 - 19 401 PLANT MIX PAVEMENTS - GENERAL........................................................... Technical Specs 20 - 25 403 HOT BITUMINOUS PAVEMENT...................................................................... Technical Specs 26 — 29 412 PORTLAND CEMENT CONCRETE PAVEMENT .......................................... Technical Specs 30 - 31 506 RIPRAP................................................................................................................... Technical Specs 32 - 33 603 CULVERTS AND SEWERS................................................................................. Technical Specs 34 604 MANHOLES, INLETS AND METER VAULTS ................................................ Technical Specs 35 - 36 607 FENCES................................................................................................................... Technical Specs 37 P:\Street Oversiang\Ziegler Road Keebter Road Roundabout6id Docs\Construction SpecslTeehnical Specs Technical Specs - I Ziegler Road / KechterRoad RoundalDut Project Date: April 10, 2006 608 SIDEWALKS AND DECORATIVE CROSSWALKS ........................................ Technical Specs 38 - 39 609 CURB AND GUTTER........................................................................................... Technical Specs 40 619 WATER LINES...................................................................................................... Technical Specs 41 - 42 630 TRAFFIC CONTROL DEVICES (Contractor Supplied) .................................. Technical Specs 43 - 46 PAStreet OversiangMegler Road Kechter Road RoundaboutBid DocsTonstruction Specs\Technical Specs Technical Specs - 2 Ziegler Road / KechterRoad Roundaluut Project REVISION OF SECTION 102 COST PLUS TIME BIDDING (A + B) Section 102 of the Standard Specifications is hereby revised for this project as follows: Date: April 10, 2006 Add subsection 102.11 as follows: 102.11 Cost Plus Time Bidding (A + B). A special bidding procedure will be used to determine the successful bidder for this project. This procedure takes into account the price offerings from the bidder and the time the bidder intends to take to substantially complete the work. The work is substantially complete when: (1) all work requiring lane or shoulder closures or other traffic obstructions'is complete; (2) traffic is following the lane arrangement shown on the plans for the finished roadway; (3) all pavement construction, joint sealing, and shoulder embankment is complete; (4) traffic control devices and pavement markings are in their final positions; (5) all pedestrian sidewalks and decorative crosswalks within the right-of-way are completed; and (6) all median work (hardscaping, topsoil and fabric) is completed. Work that does not conform to the Contract will not be accepted as substantially complete. Acceptance of the work as substantially complete will be determined in accordance with subsection 105.16(b). (a) Preparation of Proposal. The bidder shall establish the number of calendar days that will be required to substantially complete the work. The calendar day number shall be included in the bid proposal. This calendar day number multiplied by the daily cost shall be added to the total amount bid for the work items. The sum of these two amounts will be used to determine the lowest successful bidder according to the following formula: A + B x (the daily cost) = Contractor's bid for evaluation of the lowest successful bidder Where: A = Contractor's total bid for the work items B = Number of Calendar days required to substantially complete the work. Daily cost for this project = $2,072.00 The above formula will be used solely for the purpose of determining the lowest successful bidder and will have no effect on the actual total bid cost for completing the work. (b) Early Completion of the Work Incentive. If the Contractor substantially completes the work in less than the total number of days bid, an incentive will be paid to the Contractor. This incentive (I) will equal the number of calendar days bid (B) minus the actual number of calendar days required to substantially complete the work (C) multiplied by the daily cost. I = (B — C) x (the daily cost) The maximum incentive is limited to five percent of the Contractor's total bid for the work items (0.05 x A). (c) Late Completion of the Work Disincentive. If the number of calendar days required to substantially complete the work is in excess of the total number of calendar days bid, a disincentive will be deducted from payments made to the Contractor. This disincentive (D) will equal the actual number of calendar days required to substantially complete the work (C) minus the number of calendar days bid (B) multiplied by the daily cost. D = (C — B) x (the daily cost) END OF SECTION P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Spe&Technical Specs Technical Specs - 3 Ziegler Road! KechterRoad Roundabout Project REVISION OF SECTION 202 REMOVALS Section 202 of the Standard Specifications is hereby revised for this project as follows: Date: April 10, 2006 Subsection 202.01 is revised to include the following: The Contractor shall remove and dispose of all concrete sidewalk, curb and gutter, crosspans, driveways, inlets, irrigation structures, pipe, structures, asphalt, fence, trees, retaining walls and any other obstructions that are designated for removal by the Engineer. All such removals will be measured in the field, and quantities agreed to by the Contractor and the Engineer. Subsection 202.02 is revised to include the following: Remove Pip (RCP, CMP, PVC) - The Contractor shall remove all (clay tile; concrete, PVC, ductile, corrugated metal, steel) pipes according to the construction drawings or as directed by the Engineer. All trenches will be backfilled to City of Fort Collins specifications to 95% compaction. All areas must be graded according to Engineers direction and all pipe removed is to be the property of the Contractor. Remove Concrete Irrigation Structures and Inlet - The Contractor shall remove the concrete irrigation devices indicated on the plans and the drainage inlet indicated in the proposed roundabout curb area. All labor equipment, material, disposal and compaction of the excavated area to 95% must be included in the price. Remove Concrete Headwalls — The existing irrigation ditch has a field entrance in the removal area. The Contractor shall include all labor, equipment and material in the cost of the removal of the north and south concrete headwalls and the excavation necessary to complete the work. The pipe will be paid for in its own unit. Pulverize Concrete Intersection (In Place) — The equipment used shall be a drop hammer with 1,000 -5,000 foot pounds of energy with cycle rate of 30-35 impacts per minute, self propelled or pulled behind a tractor. A "Rubblizing or Reclaimer" will be used or an equal method approved by the City of Fort Collins. The intent of this method is to allow fill to be placed on the broken concrete as a sub -grade. All labor, equipment, supervision and mobilization shall be included in the cost of this unit. Remove Pulverized Concrete (located under landscaped median) — The removal area is enclosed in the planted area of the center roundabout median (approximately 277 SY) or as directed by the Engineer. All equipment, labor, staking, disposal and supervision must be included in the cost. The material will become the property of the Contractor. Remove Sidewalk Chase and Concrete Run-down — This work includes: removing the sidewalk chase and concrete run-down according to the plans, the backfill and 90% compaction, and the disposal of the materials. Any damage to the existing fence shall be repaired by the Contractor at own expense to equal or better condition. Remove Asphalt Pavement Full Depth (Approximately 7" — 10") and Stockpile — The intent is to remove the asphalt and leave it in place for traffic to drive on, then transfer to a stockpile area designated by the City of Fort Collins. The material will then be used in the sub -grade in the roundabout combined with additional road base imported to obtain the proposed sub -grade elevations. Remove and Replace Existing Wood Fence — The Contractor shall use extreme care when removing and replacing the wood fence for the stormwater features to be installed. Any damage to the brick pillars or wooden fencing will be replaced by the Contractor at his or her own expense to equal or better condition. Clean Culvert — The Contractor shall include all labor and equipment necessary to clean the sediment out of the P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction SpecsUechnical Specs Technical Specs - 4 Ziegler Road / KechterRoad Roundalput Project Date: April 10, 2006 existing irrigation pipe in Ziegler Road marked for removal. The existing 29" x 45" HERCP will NOT be removed, but cleaned and joints grouted where needed and used in the design to transfer irrigation water into the plan set irrigation system. Cap Existing Irrigation System —The Contractor will dig and locate wires labeling each wire and cutting the pipe and capping it. The Contractor will be responsible for marking the end of all capped lines and wires. The Contractor will place a reference stake that will be protected through construction and provide information to the landscape Contractor. The Contractor Shall remove and dispose of all concrete sidewalk, curb and gutter, cross pans, driveways, inlets, irrigation structures, pipe, structures, asphalt, fence, trees, retaining walls and any other obstructions that are designated for removal by the Engineer. All such removals will be measured in the field and quantities agreed to by the Contractor and the Engineer. Prior to removal, concrete and/or asphalt shall be saw cut full depth to a clean and straight vertical line. Pieces of concrete which, due to the Contractor's operations, crack or break beyond the limits of construction shall be saw -cut, or removed to the nearest joint, and removed and replaced at the Contractor's expense. The limit of the repair will be determined by the Engineer. The initial saw cutting to remove existing concrete and/or asphalt shall be considered incidental to the work and shall not be paid for separately under this item. Removal of concrete, asphalt and/or obstructions as described in section 202.01 beyond the limits designated b y the Engineer will be the responsibility of the Contractor and will not be paid for under this section. Disposal Site - Materials designated for removal shall become property of the Contractor, unless noted in the specifications or specified by the Engineer to be salvaged or stockpiled. It shall be the Contractor's responsibility to obtain disposal sites for all unusable material, which is removed. Subsection 202.12 is revised to include the following: The Contractor and the Engineer shall field measure and agree upon the quantity to be removed before the work commences. Should the Contractor fail to request the Engineer to measure any work, the Contractor shall not be compensated for materials that were not measured by the Engineer. Payment will be made under: Pav Item and Pay Unit The pay unit is denoted by (). 202-01 Remove Pipe (RCP, CMP, PVC) — (LF) 202-02 Remove Concrete Irrigation Structures and Inlet — (EA) 202-03 Remove Concrete Headwalls — (EA) 202-04 Remove Concrete Irrigation Ditch — (LF) 202-05 Pulverize Concrete Intersection (In Place) — (SY) 202-06 Remove Pulverized Concrete (located under landscaped center median) — (SY) 202-07 Remove Vertical Curb and Gutter — (LF) 202-08 Remove Concrete Radius and Spandrels — (SF) 202-09 Remove Sidewalk — (SF) P:\Street Oversiting\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Spe&Technical Specs Technical Specs - 5 Ziegler Road / KeehterRoad Roundabout Project Date: April 10, 2006 202-10 Remove Sidewalk Chase and Concrete Run -Down — (LS) 202-11 Rotomill Asphalt Pavement — Full Depth (Approximately 7" —10") and Stockpile — (SY) 202-12 Rotomill Asphalt Pavement (2" Depth) — (SY) 202-13 Saw Cut Asphalt or Concrete — (LF) 202-14 Remove 19" x 30" HERCP FES — (EA) 202-15 Remove Rip Rap — (SY) 202-16 Remove Barbed Wire Fence — (LF) 202-17 Remove and Replace Existing Wood Fence — (EA) 202-13 Clean Culvert — (EA) 202-19 Remove and Relocate Gate Posts — (LS) 202-20 Remove Existing Trees, Shrubs, and Landscape Treatment — (LS) 202-21 Rotomill 2" Asphalt from Ziegler Rd centerline Sta. 36+46 to 44+97 (existing seam to lip of gutter) — (SY) 202-22 Removal of Asphalt prior to installation of waterline from Ziegler Rd centerline Sta. 44+97 to 50+50 — (TON) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment and incidentals and for doing all work involved in removals and rotomilling, including excavation, backfill, haul and disposal, as specified in these specifications, and as directed by the Engineer. All saw cutting involved in removing the necessary items in order to complete the Work shall be considered incidental to the Work and will not be paid for separately. END OF SECTION REVISION OF SECTION 203 P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 6 Ziegler Road / KechterRoad Roundalout Project Date: .April 10, 2006 EXCAVATION AND EMBANKMENT Section 203 of the Standard Specifications is hereby revised as follows: Subsection 203.01 is revised to include the following: Clear and Grub — This work will consist of removing topsoil and concrete debris in the existing irrigation ditches, and weeds from rip rap areas that can not be accessed by a motor grader. Along with all various steel posts and trash in the planned construction area. Unclassified Excavation - This shall consist of excavation of all materials on the site to final grades, excluding the bid items listed in Section 202. Excavation of unsuitable material will only be paid for if it is found to be unsuitable in its original state. This item shall be measured from the plans and cross sections, and will be paid for by the cubic yard. This item shall be paid according to plan quantity. Embankment (Complete in Place) - All excavated material, except the material being hauled and disposed, shall be placed as embankment and compacted, to final grades, as specified in Section 203.07. The embankment quantity was not adjusted to allow for shrinkage during compaction. This item will be measured from the plans and cross sections and will be paid for by the cubic yard. This item will be paid according to plan quantity. Muck Excavation (Complete in Place) - This shall include excavation of unsuitable material, supplying and placing Class 1 or 2 Structural Backfill, Pit Run or an approved fill, re -compacting material to finish grade, and haul and disposal of unsuitable material. NOTE: Muck -excavation of raterial from rain or weather damage or dewatering pump failure will not be paid for and is entirely the Contractor's responsibility. This item shall be measured in the field, and will be paid for by the cubic yard. Borrow - ABC (Class 5 or 6) - (Complete in Place) - This shall include supplying, placing, and compacting aggregate base course as directed by the Engineer. This item will be measured in the field and paid for by the ton. This item will not be paid for as Embankment. Borrow material will only be used for fill if there is a shortage of suitable material onsite and/or as directed by the Engineer and may be used under sidewalks. Borrow Suitable Fill Material — The Contractor will supply a source of material that will be acceptable to the geotechnical testing firm that will be placed in the roadway or parkway in case of a shortage of on site fill material. Topsoil - (Stripping, Stockpiling, Placing) 6" Depth — All areas that have suitable topsoil material shall be stripped to a depth of 6 inches. This material shall be stockpiled and placed after the final grades have been established. This item shall include stripping existing vegetation, temporarily stockpiling, loading, hauling, and placing topsoil material for back of walk and curb areas, and other designated areas. This item shall be paid according to plan quantity. Topsoil — Import Planting Area @ Center Median of the Roundabout — This work shall consist of supplying topsoil suitable to plant landscape items. The material must be approved by the City of Fort Collins Parks Department. All labor, equipment, and material used to construct this item shall be included in the price of the unit. Median Hardscape Shaping (Complete in Place) — The areas in the medians beneath the exposed aggregate concrete shall be backfilled with suitable onsite material approved by the Engineer. These areas shall be backfilled in lifts not to exceed six inches (6") and compacted with a plate compactor or as directed by the Engineer. This item will not be paid for as Embankment. This item will be measured in the field and will be paid for by the square foot. Potholing — The Contractor shall be responsible for locating electrical, gas, fiber optic, cable, telephone, traffic P:\Street Oversiang\Ziegier Road Kechter Road RouadaboutBid Docs\Construction Specffechnical Specs Technical Specs - 7 Ziegler Road / KechterRoad Roundahmt Project Date: April 10, 2006 signal conduit and other existing utility lines and shall be performed every 100 lineal feet or as deemed necessary by the Contractor. All related work, including excavation, backfilling, shoring, labor and number of hours will not be measured and paid for separately, but shall be included in the work. Repair of damaged existing utility lines caused by the Contractor will be at the Contractor's expense. Potholing will be paid as a lump sum item. Flowtill Section Over Shallow Utilities — This work shall consist of the removal of soil above an existing utility, after subgrade elevation has been achieved, one foot (1') deep and three feet (3') wide. This excavated area that can not be treated with flyash, will be filled with flowable fill to the top of subgade to protect the existing utility. All related work, material and equipment will not be measured and paid for separately, but shall be included in the work. This work shall be measured and paid for by the linear foot. Import Screened Topsoil (3") — Parkway Areas — This shall include supplying, hauling, placing, and grading screened topsoil between the new curb and gutter and sidewalk, and/or as directed by the Engineer of this project. This material shall be placed and graded on the surface for the future seeding and landscaping (by others). This item will be measured in the field and paid for by the cubic yard. This item will not be paid for as Embankment. Transport and Compact in Place Reclaimed Asphalt from Stockpile — This shall include the labor, equipment, watering, rolling or compaction needed to transport from the stockpile location and then install the reclaimed base to a 95% compaction under the proposed concrete pavement area. These items will not be paid separately under items in section 202, 210, 603, or 604. Embankment and sub -grade material shall be compacted to 95% of maximum density at +/- 2% optimum moisture. Maximum density shall be determined by ASTM D 698. This will apply under the roadway, curb and gutter, sidewalk, and driveways. Topsoil shall be compacted to 85% of maximum density at/or near optimum moisture. Excavation and Embankment will only be paid when a significant change in grade is required, as determined by the Engineer. Minor cuts and fills shall be considered incidental to the work, and shall not be paid separately under this section. If unsuitable sub -grade is encountered and the Engineer directs the Contractor to over excavate the material, the Contractor shall use Aggregate Base Courses (Class 5 or 6), Class 1 or 2 Structural Backfill, Pit Run or an approved fill to backfill the over excavated area if there is not any acceptable material onsite. This Work will not be paid for separately but will be paid under the Muck Excavation item. The proposed material shall meet the following minimum requirements: LL Maximum: 30 PI Maximum: 6 "R" Value Minimum: 78 The minimum strength coefficient of the Aggregate Base Coarse shall be 0.11. After specified compaction has been obtained, the sub -grade under the curb, gutter, sidewalk, and pavement shall be proof -rolled with a heavily loaded rubber tired roller, fully loaded water truck, or approved equal. Those areas which produce a rut depth of over one-half (1/2) inch or which crack the sub -grade after pumping and rebounding shall be ripped, scarified, wetted or dried if necessary, and re -compacted to the requirements for density and moisture at the Contractor's expense. Where unsuitable material is encountered, the Engineer may require the Contractor to remove the unsuitable materials and backfill to the finished grade with approved material. The completed sub -grade shall be proof -rolled again after placement of approved material. This will be paid for at the contract unit price for Muck Excavation. P:\Street Oversiang\Ziegler Road Kechter Road RomidaboutBid Docs\Construction Spe&Techuical Specs Technical Specs - 8 Ziegler Road/ KechterRoad Roundabout Project Date: April 10, 2006 The Contractor shall refer to the plans for re -grading information. This work shall include all excavation, embankment, and grading required to prepare these sites for landscaping. Subsection 203.04 is revised to include the following: The excavations and embankments shall be finished to smooth and uniform surfaces conforming to the typical sections specified. Variation from the sub -grade plan elevations specified shall not be more than 0.08 feet. Subsection 203.13 is revised to include the following: Payment will be made under: Pav Item and Pav Unit The pay unit is denoted by (). 203-01 Clearing and Grubbing — (LS) 203-02 Remove Existing Sod — (SF) 203-03 Unclassified Excavation — (CY) 203-04 Embankment — (CY) 203-05 Muck Excavation (CIP) - (CY) 203-06 Borrow ABC (Cl 5 or 6) — (TON) 203-07 Borrow Suitable Fill Material — (CY) 203-08 Topsoil —(Stripping & Stockpiling)— 6" Depth — (CY) 203-09 Topsoil Placement in Planting Area @ Center Median of the Roundabout — (CY) 203-10 Topsoil Placement @ Back of Walk to Easement Lines — (CY) 203-11 Median Hardscape Shaping - CIP — (SF) 203-12 Potholing — (LS) 203-13 Import Screened Topsoil (3") in Parkway Areas — (CY) 203-14 Transport and Compact in Place Reclaimed Asphalt from Stockpile — (SY) 203-15 Swale Grading/Shaping/Blue Tops — (LF) 203-16 Remove/Replace Unsuitable trench backfill (Sta. 36+96 to 45+06) assuming Y depth x T width — (CY) 203-17 Remove/Replace Unsuitable trench backfill (Sta. 45+06 to 56+51) assuming 3' depth x T width — (CY) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all work involved in Unclassified Excavation, Embankment, Haul & P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction SpecsiTechnical Specs Technical Specs - 9 Ziegler Road / KechterRoad Rou» datnut Project Date: April 10, 2006 Dispose, Topsoil (stripping, stockpiling, placing), Muck Excavation, Borrow ABC and Median Hardscape Shaping, including without limitation, haul, stockpiling, placing of material, watering or drying soil, compaction, proof rolling, finish grading, and disposal of unusable materials, as shown on the plans and as specified in these specifications, and as directed by the Engineer. END OF SECTION REVISION OF SECTION 208 P:\Street Oversiting\Ziegler Road Kechter Road Roundaboull3id Docs\Cmistruction SpecsUechnical Specs Technical Specs - 10 REVISED BID SCHEDULE ADDENDUM 1 Landscaping Quantities: 2810-01 Irrigation 21,925 SF 2000-01 Blue Grass Sod 21,925 SF 2900-01 Hughes Juniper 18 EA 2900-02 Winnipeg Parks Rose 14 EA 2900-03 Chanticleer Pear 5 EA 2900-04 Purple Leaf Wintercreeper 36 EA 2000-07 Topsoil - 60/40 compost mix for center median 40 CY Subtotal Landscaping Quantities: $ Miscellaneous Quantities: - Contract Bond 1.00 LS 625-01 Construction Surveying 1.00 LS 626-01 Mobilization 1.00 LS 630-01 Specialty Signs 3" Letters On 48" x 48" 10 EA 630-02 Portable Stop Lights 36 DAY 630-03 Message Boards (7 Boards) 20 DAY 630-04 New Jersey Type Concrete Median Barriers 25 LF 630-05 Flaggers 1,040 HOURS 630-06 Traffic Control 1 LS Subtotal Misc. Quantities: E Ziegler Road / KechterRoad Roundalnut Project EROSION CONTROL Section 208 of the Standard Specifications is hereby revised as follows: Subsection 208.05 is revised to include the following: Date: April 10, 2006 All Erosion Control Devices, Materials, and Techniques required to prevent damage to the storm water facilities as outlined in the City of Fort Collins Standards will be considered incidental to the work, and shall be included in the price. No measurement for payment shall be made for maintenance of Erosion Control devices. This item will be paid for as a lump sum price to the Contractor. Subsection 208.07 is revised to include the following: The accepted quantities will be paid for at the contract unit price. Payment will be made under: Pay Item and Pav Unit The pay unit is denoted by (). 208-01 Erosion Control — (LS) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all work involved in installing and maintaining erosion control, complete -in -place, as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid DocAConstruction Specs\Technical Specs Technical Specs - 11 Ziegler Road/ KechterRoad Roundalnut Project REVISION OF SECTION 210 RESETSTRUCTURES Section 210 of the Standard Specifications is hereby revised as follows: Subsection 210.10 is revised to include the following: Date: April 10, 2006 Work contained in this Subsection shall meet the requirements of the current City of Fort Collins and Fort Collins -Loveland Water District Utilities Standard Construction Specifications or other applicable water utility agency standard construction specifications. The Contractor shall cooperate and coordinate with the City Water Utilities Department, Fort Collins -Loveland Water District and South Fort Collins Sanitation District or other applicable water utility when shutting off water to minimize downtime to customers. The Contractor shall also coordinate work involving the relocation of fire hydrants, water meters, curb stops, and water valves, and lowering water and sewer service lines, and water lines. The Contractor shall supply all materials required to complete the work that is not supplied by the City or other applicable water utility, and these materials shall be included in the costs of each item. This shall include, but not be limited to; new copper line and fittings, new stop boxes, meter pits, excavation, backfill and compaction. New copper fittings, stop boxes, and meter pits will be required at each location. All structures located in bituminous pavements to be surfaced shall be adjusted prior to, or during paving operations. All structures located within a concrete pavement shall be adjusted prior to pouring the concrete pavement section. The Contractor shall perform all work needed to ensure that said structures can be readily adjusted and shall have all necessary materials on hand prior to commencing the work. The adjustments shall be made as noted below. All structures shall be adjusted to be /d', (+/-) ''/s" below the pavement surface. The Contractor shall be responsible for immediately cleaning out all construction materials that may fall into manholes, valve boxes, or other structures during the construction process. In the event that a structure was not properly adjusted (i.e. too high or too low) or the structure was covered and not adjusted after the paving operation, written notice will be given by the Engineer to the Contractor requiring the Contractor to make the necessary adjustments within 5 working days. In the event that the structure is not adjusted within said time frame; the Engineer shall have the right to engage a third party to complete the work, and to withhold the cost of such work from payments due the Contractor. If a structure is adjusted prior to an overlay operation, the Contractor shall place bituminous base material around the structure as directed by the Engineer to insure that it will not be a hazard to vehicular traffic. This will be paid for under the bid item for Asphalt Patching. Adjust Manhole Ring/Cover — Manholes located within existing asphalt pavement shall be adjusted by removing an area of pavement with a minimum diameter one foot (1') larger than the structure (centered on the structure). This shall be done by cutting vertical edges, adjusting the manhole by grouting concrete rings and/or utilizing metal shims to raise the structure to the proper grade, then spreading and mechanically compacting bituminous material of the same grade and quality as the adjacent pavement. NOTE: All manholes shall be raised through the top lift. When the manhole adjustment is complete, the slope of the top surface of the manhole cover shall match the slope P:\Street Oversiting\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 12 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 of the pavement in both the longitudinal and traverse directions. Any manhole cover which is unstable or noisy under traffic shall be replaced. This item will be paid under Adjust Manhole Ring/Cover — (EA). Modify Manhole - Manholes located within existing asphalt pavement or sub -grade shall be adjusted by removing an area of pavement or sub -grade with a minimum diameter two foot (T) larger than the structure (centered on the structure). All OSHA shoring is the responsibility of the Contractor. This shall be done by cutting vertical edges in the pavement, if required, and excavating below the ground surface to the required barrel seam needed to start the adjustment. The cone section shall be removed and additional sections added or removed to obtain the plan finished elevation. All manhole sections shall be cleaned and an approved gasket material applied prior to reassembly. This work shall be done in accordance with the City of Fort Collins Standard Construction Specification and/or the South Fort Collins Sanitation District Specifications for Sewer Mains. The excavation shall be backfilled with on -site material and shall be mechanically compacted or Flowable Fill used if directed by the Engineer. This item will be paid under Modify Manhole — (EA). Flowable Fill will be paid under Section 608. Adjust Valve Box — Valve boxes located within asphalt pavement shall be adjusted by removing the existing pavement around the valve box, adjusting the valve by turning it to the proper grade, trimming the existing asphalt by cutting vertical edges, then spreading and mechanically compacting bituminous material of the same grade and quality as the adjacent pavement. , If a valve box cannot be turned up, or can be turned up, but not sufficiently to achieve the proper grade or if the top section of the valve box is in poor condition, the Contractor shall excavate around the top section of the valve box and remove and replace the top section with a longer section supplied by the Contractor. The excavation shall then be back filled with Non -Shrink flowfill to the top of sub -grade, and then, material of the same grade and quality as the adjacent pavement shall be placed. The Contractor shall exercise reasonable care while attempting to adjust the valve boxes. If, in the opinion of the Engineer, the Contractor is negligent and breaks the valve box, the valve box shall be replaced at the Contractor's expense. This item will be paid under Adjust Valve Box — (EA). Modify Valve Box — Valve boxes located within existing asphalt pavement or sub -grade shall be adjusted by removing an area of pavement or sub -grade with a minimum diameter of two foot (2') larger than the structure (centered on the structure). This shall be done by cutting vertical edges in the pavement, if required, and excavating below the ground surface to the valve box section needed to start the adjustment. The top section shall be removed and additional sections added or removed to obtain the planned finished elevation. All valve box sections shall be done in accordance with the City of Fort Collins Standard Construction Specifications and / or the City of Fort Collins — Loveland Water District Specifications for water mains. The excavation shall be flowfilled. This item will be paid for under modify valve box — (EA). Flowable fill will be paid for under section 608. Adjust Existing Fire Hydrant to Proposed Grade — This work consists of placing a 12" fire hydrant extension on the existing fire hydrant on Ziegler per plan drawings. All work to conform to the Fort Collins — Loveland Water District Specifications. All labor, material and supervision to be included into the unit price. Add Valve Extension Keys to the Existing Water Valves — The Contractor will have to excavate to the water valve in the roundabout area and place a steel nut extension per the Fort Collins — Loveland Water District Specifications and new water valve box to the finish design grade of the planted area in the construction drawings. All labor, equipment, backfill and materials to be included in the unit price. Expose Existing CMP — Remove 15' of CMP — This work shall consist of exposing the existing corrugated metal pipe in the concrete intersection in the area of the new planting. The pipe which is very shallow will have a 15 foot section cut out. The intent is to use the existing pipe as a carrier pipe for new conduit. P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction SpecsUechnical Specs Technical Specs - 13 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 Equipment, labor, and materials to do this work must be included in the unit cost. Expose Existing CMP — Remove 3' Top of Pipe — This work shall consist of exposing the existing corrugated metal pipe in the roundabout area. The top of pipe must be cut out and then filled with flowable fill or grout mix after the PVC sleeve is installed. It is assumed htat a hole every 20 feet will be sufficient to obtain the complete inside encasement. Insert 12" SDR-35 Sewer Pipe in Existing CMP — The Contractor will be required to install 12" PVC sewer in the existing corrugated metal pipe to the north-east and south-west starting at the center of the new roundabout. Once the 12" pipe is installed a group of 4" and 6" conduits will be installed for future lines. Adjust Sprinkler Box/Cap Existing/Modify Irrigation System — The Contractor will dig and locate wires labeling each wire and cutting the pipe and capping it. The Contractor will be responsible for marking the end of all capped lines and wires. The Contractor will place a reference stake that will be protected through construction and provide information to the Landscape Contractor. Subsection 210.13 is revised to include the following: Payment will be made under: Pay Item and Pav Unit The pay unit is denoted by ( ). 210-01 Adjust Manhole Ring/Cover — (EA) 210-02 Modify Manhole — (EA) 210-03 Adjust Valve Box— (EA) 210-04 Modify Valve Box — (EA) 210-05 Adjust Existing Fire Hydrant to Proposed Grade — (EA) 210-06 Add Valve Extension Keys to Existing Water Valve — (EA) 210-07 Raise City of Fort Collins Light and Power Electric Vault Manhole Cover to Paving Grade — (EA) 210-08 Expose Existing CMP — Remove 15' of CMP — (EA) 210-09 Expose Existing CMP — Remove 3' Top of Pipe — (EA) 210-10 Insert 12" SDR-35 Sewer Pipe in Existing CMP — (LF) 210-11 Adjust Sprinkler Box/Cap Existing/Modify Irrigation System — (EA) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all the Work involved in adjusting structures, complete -in -place, including non -shrink backfill, concrete, metal shims, bituminous materials, haul and disposal, excavation, bedding material, backfill, and compaction as shown on the plans, as specified in these specifications, and as directed by the Engineer. P:\Street OversizingMegier Road Kechter Road Roundnboui id Docs\Construction SpecsUechnical Specs Technical Specs - 14 Ziegler Road/ KeehterRoad Roundabout Project END OF SECTION Date: .April 10, 2006 P:\Street Oversiang\Ziegler Road Kechter Road RomtdaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 15 Ziegler Road / KechterRoad Roundahout Project Date: April 10, 2006 REVISION OF SECTION 304 AGGREGATE BASE COURSE Section 304 of the Standard Specifications is revised as follows: Subsection 304.01 is revised to include the following: This work shall consist of placing 6" of Aggregate Base Course (Class 5 or 6) over previously prepared pavement sub -grade approved by the Engineer. Aggregate Base Course will be used under the asphalt pavement section and shall meet the requirements of Subsection 703.03. The proposed material shall meet the following minimum requirements: LL Maximum: 30 PI Maximum: 6 "R" Value Minimum: 78 The minimum strength coefficient of the Class 5 or 6 Aggregate Base Course shall be 0.11 Subsection 304.06 is revised to include the following: Aggregate Base Course shall be compacted to at least 95% of maximum density at or near optimum moisture as determined by ASTM D698. Subsection 304.07 is revised to include the following: Aggregate Base Course will be measured by the ton at proper moisture. Quantity will be adjusted accordingly if the moisture content is too high. Haul and water necessary to bring mixture to optimum moisture will not be measured or paid for separately, but shall be included in the price for Aggregate Base Course. Load tickets shall be consecutively numbered for each day. Soil sterilization shall be applied under all new asphalt paving and shall be considered incidental to the work Sterilization shall not be paid for separately under this item. Subsection 304.08 is revised to include the following: The accepted quantities of Aggregate Base Course will be paid for at the contract unit price per ton. Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by (). 304-01 Aggregate Base Course — (Class 5 or 6) - 6" Depth — (CIP) — (TON) 304-02 Aggregate Base Course Patch Placement — (Class 5 or 6) — 6" Depth — (CIP) — (TON) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment and incidentals and for doing all work involved in Aggregate Base Course including haul, sterilization, and water. The work will be complete -in -place, as shown on the plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversiting\Ziegler Road Kechter Road RoundaboutBid Docs\Conshvction SpecslTechnical Specs Technical Specs - 16 Ziegler Road / KeeltterRoad Roundalout Project REVISION OF SECTION 306 RECONDITIONING Section 306 of the Standard Specifications is hereby revised for this project as follows: Subsection 306.02 is revised to include the following: Date: April 10, 2006 The top 8" of the sub -grade including fill areas (curb, gutter and sidewalk areas) shall be reconditioned by scarifying and re -compacting. The sub -grade shall be thoroughly mixed and dried or moistened to full depth and compacted as specified in Section 203.07. The reconditioned surface shall not vary above or below the lines and grades as staked by more than 0.04 foot under asphalt or concrete pavement or 0.08 foot under aggregate base course. The surface shall be tested prior to application of any base course or pavement. All defective work shall be corrected as directed by the Engineer. The surface shall be protected and maintained until base course or pavement has been placed. If the Contractor chooses to use road base as a fine grading material or a material to mitigate over excavated or rain damaged areas this shall be entirely the Contractor's cost and shall be considered incidental to the Work. The Contractor shall be paid for reconditioning, if reconditioning has been attempted, and muck excavation in the event that unsuitable material is encountered and removed at the direction of the Engineer. It shall be at the Engineer's discretion to determine if the Contractor has made a sufficient effort to control the moisture in the sub -grade material and made a reasonable effort to recondition the sub -grade. Soil sterilization shall be applied under all new asphalt paving and shall be considered incidental to the work. Sterilization shall not be paid for separately under this item. This item (Reconditioning) will not be necessary orpaid for in Subsection 306.04 is revised to include the following: The accepted quantities of Reconditioning will be paid for at the contract unit price per square yard. Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by (). 306-01 Reconditioning (8") - (SY) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all work involved in Reconditioning, complete -in -place, including compaction, wetting or drying, and finish grading, as shown on the plans, as specified in these specifications, and as directed by the Engineer. END OF SECTION P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction SpecsUechnical Specs Technical Specs - 17 Ziegler Road / KechterRoad Roundalout Project Date: April 10, 2006 REVISION OF SECTION 307 FLYASH SUBGRADE STABILIZATION Section 307 of the Standard Specifications is revised as follows: This item shall consist of treating the sub -grade, from back of curb to back of curb, adding Class "C" flyash, mixing and compacting of the mixed material to the required depth and density. This item applies to natural ground or embankment and shall be constructed as specified herein and in conformity with the typical sections, lines and grades as shown on the plans or as established by the Engineer. MATERIALS A. Flyash - The flyash shall meet ASTM Specification 618, Section 3.2, when sampled and tested in accordance with Sections 4, 6, and 8 unless otherwise shown on the plans. Flyash shall be Class C designation containing a minimum of 25 percent CaCi. B. Water - The water used in the stabilized mixture shall be clean, clear, and free of sewage, vegetable matter, oil, acid, and alkali. Water known to be potable may be used without testing. All other sources shall be tested in accordance with AASHTO T-26 and approved by the Materials Engineer. EQUIPMENT A. The machinery, tools and equipment necessary for proper prosecution of the Work shall be on the project site and approved by the Engineer prior to the beginning of construction operations. All machinery, tools and equipment used shall be maintained in a satisfactory and workmanlike manner. B. Flyash shall be stored and handled in closed weatherproof containers until immediately before distribution on the road. If storage bins are used, they shall be completely enclosed. C. If Flyash is furnished in trucks, each truck shall have the weight of flyash certified on public scales or the Contractor shall place a set of standard platform truck scales or hopper scales at a location approved by the Engineer. D. All sheep foot compactors shall have all cleaner bars in working condition. E. At the direction of the on -site Engineer a water truck will be on site to support finish and tilling operation. CONSTRUCTION METHODS A. General It is the primary purpose of this specification to secure a completed course of treated material that contains the following: 1. Uniform flyash/soil mixture with no loose or segregated areas; 2. Uniform density and moisture content 3. Is well bound for its full depth P:\Street OversiangMegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 18 Ziegler Road / KechterRoad Roundabout Project Date: April 10, 2006 4. A smooth surface suitable for placing subsequent courses. It shall be the responsibility of the Contractor to regulate the sequence of his work; to process a sufficient quantity of material to achieve full depth as shown on plans; to use the proper amounts of flyash; to maintain the work; and to rework the courses as necessary to meet the above requirements at no additional cost. Before other construction operations are initiated, the sub -grade shall be graded and shaped to enable the flyash treatment of materials in place, in conformance with the lines, grades, and thickness shown on the plans. Unsuitable soil or materials shall be removed and replaced with acceptable material. The sub -grade shall be firm and able to support, without displacement, the construction equipment and the compaction hereinafter specified. Soft or yielding sub -grade shall be corrected and made stable by scarifying, adding flyash, and compacting until it is of uniform stability. If the Contractor elects to use a trimming machine that will remove the sub -grade material accurately to the secondary grade, he will not be required to expose the secondary grade or windrow the material. However, the Contractor shall be required to roll the sub -grade, as directed by the Engineer, before using the trimming machine and correcting any soft areas that this rolling may reveal. This method will be permitted only where a machine is provided which will ensure that the material is cut uniformly to the proper depth and which has cutters that will plane the secondary grade to a smooth surface over the entire width of the cut. The machine shall be of such design that visible indication is given at all times that the machine is cutting to the proper depth. B. Application The flyash shall be spread by an approved spreader at the rate of 12%, dry weight of soil as shown on the plans and as directed by the Engineer. A motor grader shall not be used to spread the flyash. The flyash shall be distributed at a uniform rate and in such manner as to reduce the scattering of fly sh by wind to a minimum. Flyash shall not be applied when wind conditions, in the opinion of the Engineer, are such that blowing flyash becomes objectionable to traffic or adjacent property owners. During final mixing, water shall be added to the materials as directed by the Engineer, until the proper moisture content has been secured. Water shall be added through the pulverizing machine or method acceptable to the Engineer to develop a uniform, controlled rate addition of the needed moisture. Initial mixing after the addition of flyash will be accomplished dry or with a minimum of water to prevent flyash balls. Final moisture content of the mix, prior to compaction, shall not exceed the optimum moisture Content of the mix by more than two percent nor by less than the optimum by more than four percent. Should the natural moisture content of the soil be above the specified range, aeration of the soil may be required prior to addition of the flyash. C. Mixing The soil and flyash shall be thoroughly mixed by approved rotary mixers or other approved equipment, and the mixing continued until, in the opinion of the Engineer, a homogeneous, friable mixture of soil and flyash is obtained, free from all clods or lumps. Water required to achieve the specified moisture content for the mixture should be added after initial mixing. If the soil flyash mixture contains clods, they shall be reduced in size by raking, blading, disking, harrowing, scarifying or the use of other approved pulverization methods so that when all non -slaking aggregates retained on the No. 4 sieve are removed, the remainder of the material shall meet the P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid DoesTonstruction Specs\Technical Specs Technical Specs - 19 Ziegler Road / KechterRoad RoundabDut Project Date: April 10, 2006 following requirements when tested at the field moisture condition or dry by laboratory sieves: Minimum Passing: linch sieve 100 percent Minimum Passing: No. 4 sieve 60 percent D. Compaction Compaction of the mixture shall begin immediately after mixing of the flyash and be completed within one hour following addition of flyash and water. The material shall be sprinkled as necessary to maintain the optimum moisture. Compaction of the mixture shall begin at the bottom and shall continue until the entire depth of mixture is uniformly compacted to a specified density. All non -uniform (too wet, too dry or insufficiently treated) areas which appear shall be corrected immediately by scarifying the areas affected, adding or removing material as required and reshaping the re -compacting by sprinkling and rolling. The surface of the course shall be maintained in a smooth condition, free from undulations and ruts, until other work is placed thereon or the work is accepted. The stabilized section shall be compacted to the extent necessary to provide the density specified below: Description For flyash treated sub -grade, existing sub- Not less than 95 percent maximum pry density base or existing base that will receive (ASTM D-698) subsequent sub -base or base courses For flyash treated sub -base or base that will Not less than 95 percent maximum dry density receive surface course (ASTM D-698) In addition to the requirements specified for density, the full depth of the material shown on the plans shall be compacted to the extent necessary to remain firm and stable under construction equipment. After each section is completed, the Engineer will make tests as necessary. If the material fails to meet the density requirements, the Engineer may require it to be reworked as necessary to meet those requirements or require the Contractor to change his construction methods to obtain required density on the next section. Throughout this entire operation, the shape of the course shall be maintained with a blade, and the surface, upon completion, shall be smooth and in conformity with the typical section shown on the plans and to the established lines and grades. Grading should be terminated within two hours after blending of the flyash. Should the material, due to any reason or cause, lose the required stability, density and finish before the next course is placed or the work is accepted, it shall be reprocessed, re -compacted and refinished at the sole expense of the Contractor. Reprocessing shall follow the same pattern as the initial stabilization, including the addition of flyash. E. Finishing, Curing and Preparation for Surfacing After the final course of the treated sub -grade, sub -base or base has been compacted; it shall be brought the required lines and grades in accordance with the typical sections. 1. The resulting base surface shall be thoroughly rolled with a pneumatic tire roller and "clipped", "skinned" or "tight bladed" by a power grader to a depth of approximately 3 inch, removing all loosened stabilized material from the section. Re -compaction of the loose material should not be attempted. The surface shall then be thoroughly compacted with the pneumatic roller, adding small increments of moisture as needed during rolling. If plus No. 4 aggregate is present in the mixture; one complete coverage of the section with the fat wheel roller shall be made immediately after the "clipping" operation. When directed by the Engineer, surface finishing methods may be varied from PAStreet Oversiting\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 20 REVISED BID SCHEDULE ADDENDUM 1 The sum of these two amounts will be used to determine the lowest successful bidder according to the following formula: A + B X (the daily cost) = Contractor's bid for evaluation for the lowest successful bidder Where* A = Contractor's total bid for the work items B = Number of Calendar Days required to substantially complete the Work Daily Cost for this Project = $2,072.00 A = Total Construction Cost (Base Bid) (Ziegler Road and Kechter Road Roundabout, FCLWD 24" Waterline, Landscaping and Misc. Quantities) B = Total number of calendar days bid = The total number of Calendar Days must fall between June 1, 2006 and September 1, 2006 for substantial Completion) Total number of calendar days bid ( ) X $2,072.00 = TOTAL PROJECT COST = A + B X (the daily cost) Ziegler Road / KechterRoadRoundalnut Project Date: April 10, 2006 this procedure provided a dense, uniform surface, free of surface compaction plans, is produced. The moisture content of the surface material must be maintained within the specified range during all finishing operations. Surface compaction and finishing shall proceed in such a manner as to produce, in not more than two hours, a smooth, closely knit surface, free of cracks, ridges or loose material conforming to the crown, grade and line shown on the plans. 2. After the flyash treated course has been finished as specified herein, the surface shall be protected against rapid drying by either of the following curing methods for a period of not less than three days or until the surface or subsequent courses are placed: (a) Maintain a thorough and continuously moist condition by sprinkling. (b) Apply a two-inch layer of earth on the completed course and maintain in a moist condition. (c) Apply an asphalt membrane to the treated course, immediately after same is completed. The quantity and type of asphalt approved for use by the Engineer shall be sufficient to completely cover and seal the total surface of the base between crown lines and all voids. If the Contractor elects to use this method, it shall be the responsibility of the Contractor to protect the asphalt membrane from being picked up by traffic by either sanding or dusting the surface of same. The asphalt membrane may remain in place when the proposed surface or other base courses are placed. Asphaltic emulsions are not acceptable for the asphaltic membrane. METHOD OF MEASUREMENT Flyash Sub -grade Stabilization will be measured by the square yard to the limits as constructed in the field and be paid for at the contract unit price per square yard. NOTE: The square yards of Flyash Sub -grade Stabilization is an estimate only based on the soils report and general knowledge of the soil conditions in this area. The sub -grade areas to be stabilized with flyash will be determined by the Engineer based upon results after proof rolling and effects resulting from inclement weather conditions. Sub -grade areas not requiring flyash stabilization will be Reconditioned (Revision of Section 306), measured by the square yard as constructed in the field and paid for at the Reconditioning contract unit price per square yard BASIS OF PAYMENT Payment will be made under: Pay Item and Pay Unit The pay unit is denoted by O. 307-01 Flyash Subgrade Stabilization — (12%) - (SY) The above prices and payments shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals and for doing all work involved in Flyash stabilization, complete -in -place, including compaction, and wetting or drying as shown on the plans, as specified in these specifications, and as directed by the Engineer. P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Techoical Specs Technical Specs - 21 Ziegler Road / KechterRoad RoundalDut Project Date: April 10, 2006 END OF SECTION P:\Street Oversiting\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 22 Ziegler Road / KecltterRoad Roundalnut Project REVISION OF SECTION 401 & 703 PLANT MIX PAVEMENTS — GENERAL & AGGREGATES Section 401 and 703 of the Standard Specifications is hereby revised as follows: Subsection 401.02 is hereby revised to include the following: Date: April 10, 2006 Requests made in writing by the Contractor for changes in the job mix formula will be considered by the Engineer. A job mix formula shall be determined by the Contractor and submitted to the Engineer for approval a minimum of one week prior to the beginning of construction for each proposed change. The Contractor shall provide the Engineer with an asphalt mix design report from an independent testing laboratory acceptable to the Engineer. The report shall state the Mix properties, optimum oil content, job mix formula and recommended mixing and placing temperatures. The costs for all job mix formulas shall be the responsibility of the Contractor. If the Contractor uses more than three (3) job mix formulas for a type of plant mix pavement used, the City may charge the Contractor for testing and evaluation of the mix designs, including the costs for calibration of a Nuclear Asphalt Oven. For Superpave Mixes, delete Table 401-2 and replace with the following: TABLE 401.2 Grading Test Procedure Minimum Test Sampling Frequency Result All Gradings FP L-5109 Method B 80 One per 10, 000 metric tons (10,000 tons) or fraction thereof minimum In subsection 401.02, delete the second, third, and fourth paragraphs and replace with the following: 1. A proposed plant mix pavement mix design prepared in accordance with Colorado Procedure 52(CP52-99), including a proposed job -mix gradation for each mixture required by the Contract which shall be fully within the Master Ranee Table, Tables 703-3A, B, and C, before the tolerances shown in Table 401-1 are applied. The weight of lime shall be included in the total weight of the material passing the 75 mm (No. 200) sieve. The restricted zone boundaries shown for all gradings in Tables 703-3A, 703-313, and 703-3C are to be used as guidelines in mix design development. However, the job -mix gradation is not required to pass above or below the restricted zone boundaries. 2. The name of the refinery supplying the asphalt cement and the source of the anti -stripping additive. 3. A sufficient quantity of each aggregate for the Department to perform the tests specified in section 2.2.1 of CP52. In subsection 401.02 delete Table 401-1, including the footnotes, and replace with the following: :TABLE 401-113itumen Content ±0.3% .Asphalt Recycling Agent ±0.2% Temperature of Mixture When Discharged from Mixer ±10°C ;'Hot Bituminous Pavement - Item 403 assing the 9.5 mm (1/82) and larger sieves ±6% assing the the 4.75 mm (No. 4) and 236 mm (No. 8) sieves ±S%o assing the 600 mm (#30) sieve ±4% assing the 75 mm (#200) sieve ±2% P:\Street OversianglZiegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 23 Ziegler Road / KechterRoad Roundahout Project Date: April 10, 2006 'When 100% passing is designated, there shall be no tolerance. When 90-100% passing is designated, 90% shall be the minimum; no tolerance shall be used. Delete Subsection 401.07 and replace with the following: Plant mix pavement shall be placed only on properly prepared unfrozen surfaces which are free of water, snow, and ice. The plant mix pavement shall be placed only when both the air and surface temperatures equal or exceed the temperatures specified in Table 401-3 and the Engineer determines that the weather conditions permit the pavement to be properly placed and compacted. Table 401-3 Placement Temperature Limitations in °C Compacted Laver Minimum Surface and Air Thickness in Temperature 4C (°F) mm (inches) Top Layers Below Layer Top Laver <38 (1%) 15 (60) 10 (50) 38 (1%) - <75 (3) 10 (50) 5 (40) 75 3 or more 1 7 45 2 35 Note: Air temperature is taken in the shade. Surface is defined as the existing base on which the new pavement is to be placed. If the temperature falls below the minimum air or surface temperatures, paving shall stop. The Contractor shall schedule the work so that no planed or recycled surface is left without resurfacing for more than 10 calendar days during the period specified in Table 401-3A, below. The Contractor shall immediately place a temporary hot bituminous pavement layer on any surface that has been planed or recycled and can not be resurfaced in accordance with the above temperature requirements within 10 calendar days after being planed or recycled. The minimum thickness of the temporary hot bituminous pavement layer shall be 50 trim (2 inches). The Contractor shall perform the quality control required to assure adequate quality of the hot bituminous pavement used in the temporary layer. All applicable pavement markings shall be applied to the temporary layer surface. The Contractor shall maintain the temporary layer for the entire period that it is open to traffic. Distress which affects the ride, safety, or serviceability of the temporary layer shall be immediately corrected to the satisfaction of the Engineer. The temporary hot bituminous pavement layer shall be removed when work resumes. Table No. 401-3A Periods Requiring Overlay of Treated Surfaces Location by Elevation Period During Which Planed or Recycled Surfaces Must be Overlaid within Ten Days All areas below and including 2100 m October 1 to March 1 (7000 feet) All areas above 2100 in (7000 feet) up to September 5 to April 1 and including 2600 in 8500 feet) All areas above 2600 in (8500 feet) August 20 to May 15 P:\Street Oversivng\Ziegler Road Kechter Road Roundabou%Bid Docs\Construction Specs\Technical Specs Technical Specs - 24 Ziegler Road/ KechterRoad Roundab)ut Project Date: April 10, 2006 In Subsection 401.15, delete the third and fourth paragraphs (including table) and replace with the following: The minimum temperature of the mixture when discharged from the mixer and when delivered for use shall be as shown in the following table: Asphalt Grade Minimum Mix Discharge Temperature, °C °F ` Minimum Delivered Mix Temperature, °C "F ** PG 58-28 135 (275) 113 (235) PG 58-22 138 (280) 113 (235) PG 64-22 143 (290) 113 (235) AC-20 Rubberized 160 (320) 138 (280) PG 76-28 160 (320) 138 (280) PG 70-28 149 (300) 138 (280) PG 64-28 149 (300) 138 (280) PG 58-34 149 (300) 138 (280) The maximum mix discharge temperature shall not exceed the minimum discharge temperature by more than 17°C (304F) . ** Delivered mix temperature shall be measured behind the paver screed. Hot -mix asphalt mixture shall be produced at the lowest temperature within the specified temperature range that produces a workable mix and provides for uniform coating of aggregates (95% minimum in accordance with AASHTO T 195), and that allows the required compaction to be achieved. Subsection 401.16 is hereby revised to include the following: The mixture shall be laid upon an approved surface, spread and struck off to provide for drainage to the side(s) of the roadway with a minimum cross slope of two percent (2%) or as directed by the Engineer. In subsection 401.17, first paragraph, delete the last two (2) sentence and replace with the following: When the mixture contains unmodified asphalt cement (PG 58-28, PG 58-22, or PG 64-22) or modified (PG 58-34), and the surface temperature falls below 85°C (185 °F), no further compaction effort will be permitted unless approved. If the mixture contains modified asphalt cement (AC-20R, PG 76-28, PG 70-28, or PG 64-28) and the surface temperature falls below 110°C (230 °F), no further compaction effort will be permitted unless approved. Subsection 401.17 is hereby revised to include the following: All pneumatic tire rubbers shall be equipped with rubber skirts. P:\Street Oversiang\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 25 Ziegler Road / KechterRoad Roundalnut Project Date: April 10, 2006 In subsection 703.04 delete Table 703-3 and replace with Tables 703-3A, B, and C as follows: TABLE 703-3A Master Range Table for Hot Bituminous Pavement (Grading S) Sieve Size Percent by Weight Passing Square Mesh Sieves Restricted Zone Boundary (Guideline) Minimum Maximum 37.5 mm (11h") i 25.0 mm (1") 100 19.0 mm (3/a") 90 - 100 12.5 mm (1/2") 9.5 mm 4.75 mm (#4) 2.36 mm (#8) 23 - 49 34.6 34.6 1.18 mm (#16) 22.3 28.3 600 mm (#30) 16.7 20.7 300 mm (#50) 13.7 13.7 150 mm (#100) 75 mm (#200) 2-8 " These additional Form 43 Specification Screens will initially be established using values from the As Used Gradation shown on the Design Mix. P:\Street Oversiting\Ziegler Road Kechter Road RoundaboutBid Docs\Construction Spees\Technical Specs Technical Specs - 26 Ziegler Road f KechterRoad RomidafiDut Project Date: April 10, 2006 TABLE 703-3B Master Range Table for Hot Bituminous Pavement (Grading SX) Sieve Size Percent by Weight Passing Square Mesh Sieves Restricted Zone Boundary (Guideline) Minimum Maximum 37.5 mm (11/2") 25.0 mm (1") 19.0 MM (3/4") 100 12.5 mm (1/2") 90-100 9.5 MM (3/8 4.75 mm (#4) 2.36 mm (#8) 28-58 39.1 39.1 1.18 mm (#16) 25.6 31.6 600 mm (#30) 19.1 23.1 300 mm (#50) 15.5 15.5 150 mm (#100) 75 mm (#200) 2- 10 These additional Form 43 Specification Screens will initially be established using values from the As Used Gradation shown on the Design Mix. P:\Street Oversizing\Ziegler Road Kechter Road RoundaboutBid DocsTonstruction Specs\Technical Specs Technical Specs - 27 Ziegler Road / KechterRoad RoundabDut Project Date: April 10, 2006 TABLE 703-3C Master Range Table for Hot Bituminous Pavement (Grading SG) Sieve Size Percent by Weight Passing Square Mesh Sieves Restricted Zone Boundary (Guideline) Minimum Maximum 37.5 mm (11/2") 100 25.0 mm (1") 90-100 4 19.0 111111 (3/4") 12.5 mm (1/2 9.5 mm ('/s 4.75 mm (#4) 39.5 39.5 2.36 mm (#8) 19-45 26.8 30.8 1.18 mm (#16) 18.1 2 4. 1 600 mm (#30) 13.6 17.6 300 mm (#50) 11.4 11.4 150 mm (#100) 75 mm (#200) 1-7 These additional Form 43 Specification Screens will initially be established using values from the As Used Gradation shown on the Design Mix. END OF SECTION P:\Street OversizingMegler Road Kechter Road RoundaboukBid DoesTonstruction SpecskTechnical Specs Technical Specs - 28 Ziegler Road / KechterRoad Roundalout Project REVISION OF SECTION 403 HOT BITUMINOUS PAVEMENT Section 403 of the Standard Specifications is hereby revised as follows: Subsection 403.01 is revised to include the following: Date: April 10, 2006 Hot Bituminous Pavement — This shall consist of constricting one or more courses of HBP Grading S & SG over existing pavement or subgrade surfaces previously prepared by the contractor or City of Fort Collins Crews. Asphalt Paver Patching — HBP Grading S & SG shall be used in locations as directed by the Engineer. This work shall consist of the placement of asphalt with a paver in small areas. Asphalt Patching — HBP Grading S & SG shall be used in locations as directed by the Engineer. These quantities will be restricted to small areas which require hand placement methods and conventional paving equipment cannot be utilized. Subsection 403.02 is revised to include the following: Laboratory Mix Design — Grading S & SG - The mix designs shall be prepared by an independent laboratory acceptable to the Engineer and shall be submitted by the Contractor to the Engineer for approval a minimum on one (1) month prior to the beginning of paving for this project. The criteria for the mix design is as follows: 730,000 HBP Grading S & SG ESAL's: Ziegler Road (Shallow Pond Drive to Trilby Road) = 912,500 ESAL's: Trilby Road (Ziegler Road to Southwest Coner of Kinard Junior High School) _ Binder : Grading S-100-PG 64-28 / Grading SG-100 — PG 58-28 Designed according to the most recent set of SUPERPAVE Specifications available. SEE TABLE 403-1 NEXT PAGE FOR DESIGN CRITERIA A request made in writing by the Contractor for changes in the job mix formula will be considered by the Engineer. The Contractor shall prepare a quality control plan outlining the steps taken to minimize segregation of HBP. This plan shall be submitted to the Engineer and approved prior to beginning the paving operations. When the Engineer determines that segregation is unacceptable, the paving shall stop and the cause of segregation shall be corrected before paving operations will be allowed to resume. The Contractor will not be allowed to clean the paver hoper during paving operations. Reclaimed materials will not be allowed in Hot Bituminous Pavement. A maximum of 20% reclaimed material will be allowed for HBP Grading SG. The Contractor shall construct the work such that all roadway pavement placed prior to the time paving operations end for the year, shall be completed to the full thickness required by the plans. The Contractor's Progress Schedule shall show the methods to be used to comply with this requirement. P:\Street OversiangMegler Road Kechter Road RoundaboutBid Docs\Construction Specs\Technical Specs Technical Specs - 29 Ziegler Road / KeeltterRoad RoundalDut Project Date: April 10, 2006 Vertical drop offs will not be allowed at the end of any days paving Paper ioints will be required to a taper equaline 3 times the amount ofdrop. Pavingjoints shall be at the lane lines or in the center ofthe lane. In no case shall the paving joints be in the wheel path. The contractor shall submit a longitudinal joint andpavement markingplan 3 daysprior to paving. PAVEMENT SECTION: Grading S-100 (PG 64-28) Grading SG-100 (PG58-28) Aggregate Base Coarse Flyash Treated Subgrade Ziegler Road and Kechter Road: 3" 6" 6" 12" Fhe design mix for Grading S, SX, and SG shall conform to the following: TABLE 403-1 Property Test Grading S Grading SG Grading SX Method N/A this Project Air Voids, percent at: N (initial) CPL 5115 > 11.0 > 11.0 > 11.0 N (design) 3.0 - 5.0 3.0 - 5.0 3.0 - 5.0 N maximum > 2.0 > 2.0 > 2.0 Lab Compaction (Revolutions): N (initial) (a) CPL 5115 8 8 (a) N (design) (b) 100 100 (b) N maximum (a) 174 174 a Stability, minimum (a) for information CPL 5106 42 42 (a) Aggregate Retained on the 4.75 mm (No. 4) Sieve with at least two Mechanically Induced Fractured CP 45 60 60 60 Faces, % minimum Accelerated Moisture Susceptibility Tensile Strength CPL 5109 80 80 80 Ratio Lottma❑ , minimum Method B Minimum Dry Split Tensile CPL 5109 Strength, kPa(psi) Method B 205 (30) 205 (30) 205 (30) Grade of Asphalt Cement Top Layer PG 64-28 PG 58-28 PG 64-28 Grade of Asphalt Cement Layers Below Top PG 64-28 PG 58-28 PG 64-22 Voids in the Mineral Aggregate VMA % minimum a) CP 48 14.0 12.0 (a) Voids) Filled with Asphalt (VFA) Al MS-2 65 - 75 65 - 75 a (a) Current CDOT Design Criteria (b) Residential 50, Collector 75, Arterial 100 P:\Street Oversiang'\Ziegler Road Kechter Road RoundahoutBid Docs\Construction Specs\Technical Specs Technical Specs - 30