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Home My WebLink AboutWORK ORDER - PURCHASE ORDER - 91160390 SECTION 00500 AGREEMENT FORMS 00525 Work Order, Notice of Award, and Bid Schedule 00525-1 00530 Notice to Proceed 00530-1 00600 Bonds and Certificates 00600-1 00610 Performance Bond 00610-1 — 00610-2 00615 Payment Bond 00615-1 — 00615-2 00630 Certificate of Insurance 00630-1 00635 Certificate of Substantial Completion 00635-1 00640 Certificate of Final Acceptance 00640-1 00650 Lien Waiver Release (CONTRACTOR) 00650-1 — 00650-2 00651 Lien Waiver Release (SUBCONTRACTOR) 00651-1 — 00651-2 • 00660 Consent of Surety 00660-1 00670 Application for Exemption Certificate 00670-1 — 00670-2 CONDITIONS OF THE CONTRACT 00800 Supplementary Conditions 00800-1 — 00800-8 00900 Addenda, Modifications and Payment 00900 00950 Work Order Change Order 00950-1 00960 Application for Payment 00960-1 — 00960-4 • WTF — Cathodic Protection Phase 2 October 2011 00500-1 Agreement Forms PERFORMANCE BOND • KNOW ALL BY THESE PRESENTS: that Bond No. 0159466 (Firm) Hydro Construction Company. Inc. (Address) 301 East Lincoln Avenue, Fort Collins CO 80524 (aittlo>tftxiritX* 4iF'a)=)019" (a Corporation), hereinafter referred to as "the Principal, and (Firm) Berkley Regional Insurance Company (Address) 11201 Douglas Avenue, Urbandale IA 50322 hereinafter referred to as "the Surety," are held and firmly bound unto the City of Fort Collins, 300 West LaPorte Avenue, Post Office Box 580. Fort Collins, Colorado 80522, a Municipal Corporation, hereinafter referred to as "the Owner," in the penal sum of $39,464.00 Thirty Nine Thousand Four Hundred Sixty Four Dollars and 00/100 in lawful money of the United States, for the payment of wluch sum well and truly to be made, we bind ourselves, successors and assigns, jointly and severally, firmly by these presents. THE CONDITIONS OF THIS OBLIGATION are such that whereas the Principal entered into a certain Contract Agreement with the Owner, dated the 26th day of May , 2011 , a copy of which is hereto attached and make a pan hereof for the performance of City of Fort Collins Project, Work Order No. SCP-WTF-CP2-100411 - WTF Cathodic Protection Phase 2; Notice of Award Date. October 17. 2011 NOW, THEREFORE, if the Principal shall well, truly and faithfully perform its duties, all the undertakings, covenants, terms, conditions and agreements of said Contract Agreement during the original term thereof, and any extensions thereof which may be granted by the Owner, with or without Notice to the Surety and during the life of the guaranty period, and if he shall satisfy all claims and demands incurred under such Contract Agreement, and shall fully indemnify and save harmless the Owner from all cost and damages which it may 0 s y reason of failure to do so, and shall reimburse and repay the Owner all outlay and expense which the Owner may incur in making y default, and then this obligation shall be void; otherwise to remain in full force and effect. PROVIDED, FURTHER, that the said Surety, for value received, hereby stipulates and agrees that no change, extension of time, alteration or addition to the terms of the Contract Agreement or to the work to be performed thereunder or the specifications accompanying the same shall in anyway affect its obligation on this bond; and it does hereby waive notice of any such change, extension of time, alteration or addition to the terns of the Contract Agreement or to the work or to the specifications. PROVIDED, FURTHER, that no final settlement between the Owner and the Contractor shall abridge the right of any beneficiary hereunder, whose claim maybe unsatisfied. IN WITNESS WHEREOF, this instrument is executed in three counterparts, each one of which shall be deemed an original, this 7th day of October , 2011 IN P NCE OF: A A est: B ' • .v (CORPORATE SEAl.) Hydro Construction Company, Inc. Principal (Title) 301 East Lincoln Avenue, Fort Collins, CO 80524 (Address) Page 1 of 2 • sources of the approved mix ingredients without the approval of the ENGINEER. Product inspection and field testing of the approved mix may be made by, or on - behalf of, the OWNER. PART PRODUCTS 2.01 MATERIALS 2.02 General: The CLSM shall consist of a mixture of sand, coarse aggregate, cement and water. Fly ash and approved admixtures may be used to obtain the required properties of the mix. The mix shall have good workability and flowability with self -compacting and self - leveling characteristics. Proportions of the mix shall be as given in the following table: CLSM Mix Proportions Component Amount Cement 42 Ibs Fine Aggregate 1,845 Ibs Coarse Aggregate 1,700 Ibs Water 235 Ibs B. Cement: All cement used shall be Type II Portland cement, which shall conform to the requirements of ASTM C 150. • C. Fly Ash: Fly ash may be either Class C or Class F. The fly ash shall conform to ASTM C 618. D. Aggregates: 1. Fine Aggregate: All fine aggregate shall conform to the grading and quality requirements of ASTM C 33. 2. Coarse Aggregate: Coarse aggregate shall conform to the grading and quality requirements of ASTM C 33 for size No. 57 or No. 67. E. Water: The batch mixing water and mixer washout water shall conform to the requirements of ASTM C 94. The Water:Cement ratio shall be 5.6:1. F. Admixtures: Chemical admixtures that do not contain calcium chloride and conform to ASTM C 494 for concrete may be used in the CLSM mix. All chemical admixtures shall be compatible with the cement and all other admixtures in the batch. G. CLSM Properties: 1. Strength: CLSM shall have a maximum 28 day compressive strength of 60 psi when molded and cured as in conformance with ASTM D 4832. 2. Air -Entrainment: All CLSM shall be air entrained to a total air content of 4 — 8 • 3. Slump: The minimum slump shall be seven inches and the maximum slump shall be nine inches as when tested in accordance with ASTM PS 28. WTF — Cathodic Protection Phase 2 Controlled Low Strength Material Backfill October 2011 02321-2 • 4. Aggregate: Fine aggregate shall be between 50% and 60% by volume of the total aggregates in the CLSM mix. 5. Consistency: The consistency of the CLSM slurry shall be such that the material flows easily into all openings and the area to be filled. When trenches are on a steep slope, a stiffer mix of slurry may be required to prevent CSLM from flowing down the trench. When a stiffer mix is used, vibration shall be performed to ensure that the CLSM slurry completely fills all spaces between the pipe and the lower portion of the trench. PART 3 EXECUTION 3.01 PLACEMENT A. CLSM shall be used as an alternative to backfill, as directed by the ENGINEER, but may not be used as a substitute for bedding material. Rodding, mechanical vibration and compaction of CLSM shall be performed to assist in consolidating the CLSM. CLSM shall be placed as closely behind pipe laying operations as possible. When required to prevent uplift, the CLSM shall be placed in two stages as required, • allowing sufficient time for the initial set of the first stage before the remainder is placed. CLSM shall be deposited as nearly as practical in its final position and in no way disturb the pipe trench or cause foreign material to become mixed with the CLSM. • Soil backfill shall not be placed until the CLSM has reached the initial set. If backfill is not to be placed over the CLSM within 8 hours, a 6-inch cover of moist earth shall be placed over the CLSM surface. If the air temperature is 500 F or less, the moist earth cover should be at least 18- inches thick. CLSM shall not be placed when the air temperature is below 400 F unless the air temperature is 351 F or more and the temperature is rising. CLSM shall not be placed, if, in the judgment of the ENGINEER, weather conditions are unsuitable. CLSM shall not be placed when the trench bottom or walls are frozen or contain frozen materials. END OF SECTION WTF — Cathodic Protection Phase 2 Controlled Low Strength Material Backfill October 2011 02321-3 • • C] SECTION 02375 RIPRAP, BEDDING, AND FEATURE BOULDERS PART1 GENERAL 1.01 SECTION INCLUDES A. The work of this section shall include excavation, grading and installation of all riprap, bedding, and boulders placed at the locations shown on the Drawings. The materials to be used for the construction of such structures shall be as specified herein. 1.02 RELATED SECTIONS A. Section 02240 - Water Control and Dewatering B. Section 02315 - Excavation and Embankment C. Section 02225 - Trenching, Bedding and Backfill 1.03 SUBMITTALS A. The CONTRACTOR shall cooperate with the ENGINEER in obtaining and providing samples of all specified materials. The CONTRACTOR shall submit certified laboratory test certificates for all items required in this section. PART2 PRODUCTS 2.01 MATERIALS A. Riprap used shall be the type designated on the Drawings and shall conform to the following: Riprap Designation % Smaller Than Intermediate Rock d50' Given Size By Weight Dimension (Inches) (Inches) Type VL 70 - 100 12 6 50- 70 9 35 - 50 6 2- 10 2 Type L 70 - 100 15 9 50- 70 12 35 - 50 9 2- 10 3 Type M 70 - 100 21 12 50- 70 18 35 - 50 12 2- 10 4 WTF - Cathodic Protection Phase 2 October 2011 02375-1 Riprap, Bedding, and Features Boulders Type H 70 - 100 30 18 50- 70 24 35 - 50 18 2- 10 6 Type VH 70 - 100 42 24 50- 70 33 35 - 50 24 2- 10 9 * d50 = Mean Particle Size 1. The riprap designation and total thickness of riprap shall be as shown on the Drawings. The maximum stone size shall not be larger than the thickness of the riprap. 2. The specific gravity of the riprap shall be 2.5 or greater. 3. Neither width nor thickness of a single stone of riprap shall be less than 1/3 of its length. 4. Broken concrete or asphalt pavement shall not be acceptable for use in the work. Rounded riprap (river rock) is not acceptable unless specifically designated on the Drawings. • 5. The color of the riprap shall be gray with gray/blue hues and approved by the ENGINEER prior to delivery to the project site. Color shall be consistent on the entire project and shall match the color of rock to be used for all other portions of the work. 6. Minimum density for acceptable riprap shall be 165 pounds per cubic foot. The specific gravity shall be according to the bulk -saturated, surface -dry basis, AASHTO T85. 7. The riprap shall have a percentage loss of not more than 40 percent after 500 revolutions when tested in the Los Angeles machine in accordance with AASHTO Test T96. 8. The riprap shall have a percentage loss of not more than 10 percent after 5 cycles when tested in accordance with AASHTO Test T104 for ledge rock using sodium sulfate. 9. The riprap shall have a percentage loss of not more than 10 percent after 12 cycles of freezing and thawing when tested in accordance with AASHTO Test T103 for ledge rock, procedure A. 10. Rock shall be free of calcite intrusions. • 11. Each load of riprap shall be reasonably well graded from the smallest to the largest size specified. Stones smaller than the 2-10 percent size will not be permitted in an amount exceeding 10 percent by weight of each load. WTF — Cathodic Protection Phase 2 Rpprap, Bedding, and Features Boulders October 2011 02375-2 • Control of gradation will be by visual inspection. However in the event the ENGINEER determines the riprap to be unacceptable, the ENGINEER will pick 2 random truck loads to be dumped and checked for gradation. Mechanical equipment and labor needed to assist in checking gradation shall be provided by the CONTRACTOR at no additional cost. B. Bedding: Gradation for Granular Bedding U.S. Standard Percent by Weight Square Mesh Sieves Passing Sieve Size Type I Type 11 3 Inch 90 -100 1-% Inch 3/4 Inch 20 - 90 3/8 Inch 100 No. 4 95 - 100 0 - 20 No. 16 45 - 80 No. 50 10 - 30 No. 100 2- 10 No. 200 0 - 2 0 - 3 • Granular bedding designation and total thickness of bedding shall be as shown on the Drawings. Granular bedding shall meet the same requirements for specific gravity, absorption, abrasion, sodium sulfate soundness, and freeze -thaw durability as required for riprap and specified above. C. Geotextile Fabric: Where soil conditions dictate, geotextile fabric shall be placed directly on excavated slopes, channel beds, etc. prior to the placement of any riprap bedding or riprap. The extent and location of geotextile placement will be shown on the Drawings. Geotextile fabric shall be Trevira S1135 or approved equal under all rock drop structures and Trevira S1120 or approved equal under all riprap. D. Feature Boulders: Feature boulders shall meet the same material requirements as riprap unless designated otherwise on the drawings. The shape of the boulders shall be as designated on the Drawings. Feature Boulders shall have a minimum dimension of 4 feet, or as shown on the Drawings. PART 3 EXECUTION 3.01 CONSTRUCTION REQUIREMENTS • A. Channel slopes, bottoms, or other areas that are to be protected with riprap shall be free of brush, trees, stumps, and other objectionable material and be graded to a WTF — Cathodic Protection Phase 2 Riprap, Bedding, and Features Boulders October 2011 02375-3 • smooth compacted surface. The CONTRACTOR shall excavate areas to receive riprap to the subgrade for granular bedding. The subgrade for bedding materials shall be stable. If unsuitable materials are encountered, they shall be removed and replaced as Muck Excavation in accordance with Section 02315 of the Specifications. Unsuitable materials shall be disposed of from the site by the CONTRACTOR at his expense. After an acceptable subgrade for granular bedding material is established, the bedding shall be immediately placed and leveled to the subgrade elevation. Immediately following this, the riprap shall be placed. If bedding material is disturbed for any reason, it shall be replaced and graded at the CONTRACTOR's expense. In -place bedding materials shall not be contaminated with soils, debris or vegetation before the riprap is placed. If contaminated, the bedding material shall be removed and replaced at the CONTRACTOR's expense. 3.02 PLACEMENT A. Following acceptable placement of geotextile fabric, granular bedding, riprap placement shall commence as follows: Machine Placed Riprap: Riprap shall be placed on the prepared slope or channel bottom areas in a manner which will produce a reasonably well - graded mass of stone with the minimum practicable percentage of voids. Riprap shall be machine placed, unless otherwise stipulated in the Drawings or Specifications. • When riprap is placed on slopes, placement shall commence at the bottom of the slopes working up the slope. Place the riprap in a stepped fashion with the bottom of the uphill riprap below the top of the downhill riprap by half of the height of the riprap minimum. The entire mass of riprap shall be placed on either channel slopes or bottoms so as to be in conformance with the required gradation mixtures and to lines, grades, and thickness shown on the Drawings. Riprap shall be placed to its full course thickness at one operation and in such a manner as to avoid displacing the underlying bedding material. Placing of riprap in layers, or by dumping into chutes, or by similar methods shall not be permitted. All material going into riprap protection for channel slopes or bottoms shall be so placed and distributed that there will be no large accumulations of either the larger or smaller sizes of stone. Some hand placement may be required to achieve this distribution. It is the intent of these Specifications to produce a fairly compact riprap protection in which all sizes of material are placed in their proper proportions. Unless otherwise authorized by the ENGINEER, the riprap protection shall be placed in conjunction with the construction of embankments or channel bottoms with only sufficient delay in construction of the riprap protection, as may be necessary, to allow for proper construction of the portion of the embankment and channel bottom which is to be protected. The isCONTRACTOR shall maintain the riprap protection until accepted. Any material displaced for any reason shall be replaced to the lines and grades shown on the Drawings at no additional cost to the OWNER. If the bedding WTF — Cathodic Protection Phase 2 Riprap, Bedding, and Features Boulders October 2011 02375-4 • r� U • materials are removed or disturbed, such material shall be replaced prior to replacing the displaced riprap. 2. Hand Placed Riprap: Hand placed riprap shall be performed during machine placement of riprap and shall conform to all the requirements of Section 02375 PART 2 above. Hand placed riprap shall also be required when the depth of riprap is less than 2 times the nominal stone size, or when required by the Drawings or Specifications. After the riprap has been placed, hand placing or rearranging of individual stones by mechanical equipment shall secure a flat uniform surface and the and grades as shown on the Drawings. be required to the extent necessary to specified depth of riprap, to the lines 3. Soil Replacement In and Over Riprap: Where riprap is designated to be buried, place onsite excavated material that is free from trash and organic matter in riprap voids by washing and rodding. Prevent excessive washing of material into stream. When voids are filled and the surface accepted by the ENGINEER, place a nominal 6 inches of soil over the area, or as designated on the Drawings. Fine grade, seed, and mulch per the Specifications. 4. Rejection of Work and Materials: The ENGINEER shall reject placed riprap which does not conform to this Section and the CONTRACTOR shall immediately remove and relay the riprap to conform with said sections. Riprap shall be rejected, which is either delivered to the job site or placed, that does not conform to this Section. Rejected riprap shall be removed from the project site by the CONTRACTOR and at his expense. 5. Feature Boulders, unless identified as energy dissipation boulders, serve as an aesthetic function and as such shall be placed and rotated into final position as directed by the ENGINEER in order to achieve the desired result. Geotextile fabric shall be installed according to the manufacturer's specifications. Material proposed for use shall be submitted and approved by the ENGINEER prior to installation. WTF - Cathodic Protection Phase 2 October 2011 END OF SECTION 02375-5 Riprap, Bedding, and Features Boulders • C7 SECTION 02375 RIPRAP, BEDDING, AND FEATURE BOULDERS PART1 GENERAL 1.01 SECTION INCLUDES A. The work of this section shall include excavation, grading and installation of all riprap, bedding, and boulders placed at the locations shown on the Drawings. The materials to be used for the construction of such structures shall be as specified herein. 1.02 RELATED SECTIONS A. Section 02225 - Trenching, Bedding and Backfill B. Section 02240 — Water Control and Dewatering C. Section 02315 — Excavation and Embankment 1.03 SUBMITTALS A. The CONTRACTOR shall cooperate with the ENGINEER in obtaining and providing samples of all specified materials. The CONTRACTOR shall submit certified laboratory test certificates for all items required in this section. PART2 PRODUCTS 2.01 MATERIALS A. Riprap used shall be the type designated on the Drawings and shall conform to the following: Riprap Designation % Smaller Than Intermediate Rock d50 * Given Size By Weight Dimension (Inches) (Inches) Type VL 70 - 100 12 6 50- 70 9 35 - 50 6 2- 10 2 Type L 70 - 100 15 9 50- 70 12 35 - 50 9 2- 10 3 Type M 70 - 100 21 12 50- 70 18 35 - 50 12 2- 10 4 WTF — Cathodic Protection Phase 2 October 2011 02375-1 Riprap, Bedding, and Features Boulders • • Type H 70 - 100 30 18 50- 70 24 35 - 50 18 2- 10 6 Type VH 70 - 100 42 24 50- 70 33 35 - 50 24 2- 10 9 * d50 = Mean Particle Size 1. The riprap designation and total thickness of riprap shall be as shown on the Drawings. The maximum stone size shall not be larger than the thickness of the riprap. 2. The specific gravity of the riprap shall be 2.5 or greater. 3. Neither width nor thickness of a single stone of riprap shall be less than 1/3 of its length. 4. Broken concrete or asphalt pavement shall not be acceptable for use in the work. Rounded riprap (river rock) is not acceptable unless specifically designated on the Drawings. 5. The color of the riprap shall be gray with gray/blue hues and approved by the ENGINEER prior to delivery to the project site. Color shall be consistent on the entire project and shall match the color of rock to be used for all other portions of the work. 6. Minimum density for acceptable riprap shall be 165 pounds per cubic foot. The specific gravity shall be according to the bulk -saturated, surface -dry basis, AASHTO T85. 7. The riprap shall have a percentage loss of not more than 40 percent after 500 revolutions when tested in the Los Angeles machine in accordance with AASHTO Test T96. 8. The riprap shall have a percentage loss of not more than 10 percent after 5 cycles when tested in accordance with AASHTO Test T104 for ledge rock using sodium sulfate. 9. The riprap shall have a percentage loss of not more than 10 percent after 12 cycles of freezing and thawing when tested in accordance with AASHTO Test T103 for ledge rock, procedure A. 10. Rock shall be free of calcite intrusions. • 11. Each load of riprap shall be reasonably well graded from the smallest to the largest size specified. Stones smaller than the 2-10 percent size will not be permitted in an amount exceeding 10 percent by weight of each load. WTF — Cathodic Protection Phase 2 Riprap, Bedding, and Features Boulders October2011 02375-2 • Control of gradation will be by visual inspection. However in the event the ENGINEER determines the riprap to be unacceptable, the ENGINEER will pick 2 random truck loads to be dumped and checked for gradation. Mechanical equipment and labor needed to assist in checking gradation shall be provided by the CONTRACTOR at no additional cost. B. Bedding: Gradation for Granular Bedding U.S. Standard Percent by Weight Passing Sieve Size Type I 3 Inch 1-% Inch 1/4 Inch 3/8 Inch No. 4 No. 16 No. 50 No. 100 No. 200 100 95 - 100 45 - 80 10 - 30 2- 10 0- 2 Square Mesh Sieves Type II 90 - 100 20 - 90 0- 20 0- 3 IsGranular bedding designation and total thickness of bedding shall be as shown on the Drawings. Granular bedding shall meet the same requirements for specific gravity, absorption, abrasion, sodium sulfate soundness, and freeze -thaw durability as required for riprap and specified above. C. Geotextile Fabric: Where soil conditions dictate, geotextile fabric shall be placed directly on excavated slopes, channel beds, etc. prior to the placement of any riprap bedding or riprap. The extent and location of geotextile placement will be shown on the Drawings. Geotextile fabric shall be Trevira S1135 or approved equal under all rock drop structures and Trevira S1120 or approved equal under all riprap. D. Feature Boulders: Feature boulders shall meet the same material requirements as riprap unless designated otherwise on the drawings. The shape of the boulders shall be as designated on the Drawings. Feature Boulders shall have a minimum dimension of 4 feet, or as shown on the Drawings. PART 3 EXECUTION 3.01 CONSTRUCTION REQUIREMENTS • A. Channel slopes, bottoms, or other areas that are to be protected with riprap shall be free of brush, trees, stumps, and other objectionable material and be graded to a WTF - Cathodic Protection Phase 2 Riprap, Bedding, and Features Boulders October 2011 02376-3 0SENCE OF: N/A IN PRESENCE OF: Witne s: L _ Philip J. Monasch (SURETY SEAL) • M M By: Other Partners N/A Berkley Regional Insurance Company Surety n r By: Mufak Nicole L. McCollam A orney-in-Fact 11201 Douglas Avenue. Urbandale, IA 50322 (Address) NOTE. Date of Bond must not be prior to date of Contract Agreement. If Contractor is Partnership, all partners should execute Bond. IMPORTANT: Surety Company must be authorized to transact business in the State of Colorado and be acceptable to the ONrner. IMA • I 1Street 600 Den Suite Denver,, COC80202-1657 Phone 303.534.4567 Page 2 of 2 • smooth compacted surface. The CONTRACTOR shall excavate areas to receive riprap to the subgrade for granular bedding. The subgrade for bedding materials shall be stable. If unsuitable materials are encountered, they shall be removed and replaced as Muck Excavation in accordance with Section 02315 of the Specifications. Unsuitable materials shall be disposed of from the site by the CONTRACTOR at his expense. After an acceptable subgrade for granular bedding material is established, the bedding shall be immediately placed and leveled to the subgrade elevation. Immediately following this, the riprap shall be placed. If bedding material is disturbed for any reason, it shall be replaced and graded at the CONTRACTOR's expense. In -place bedding materials shall not be contaminated with soils, debris or vegetation before the riprap is placed. If contaminated, the bedding material shall be removed and replaced at the CONTRACTOR's expense. 3.02 PLACEMENT A. Following acceptable placement of geotextile fabric, granular bedding, riprap placement shall commence as follows: Machine Placed Riprap: Riprap shall be placed on the prepared slope or channel bottom areas in a manner which will produce a reasonably well - graded mass of stone with the minimum practicable percentage of voids. Riprap shall be machine placed, unless otherwise stipulated in the Drawings or Specifications. . When riprap is placed on slopes, placement shall commence at the bottom of the slopes working up the slope. Place the riprap in a stepped fashion with the bottom of the uphill riprap below the top of the downhill riprap by half of the height of the riprap minimum. The entire mass of riprap shall be placed on either channel slopes or bottoms so as to be in conformance with the required gradation mixtures and to lines, grades, and thickness shown on the Drawings. Riprap shall be placed to its full course thickness at one operation and in such a manner as to avoid displacing the underlying bedding material. Placing of riprap in layers, or by dumping into chutes, or by similar methods shall not be permitted. All material going into riprap protection for channel slopes or bottoms shall be so placed and distributed that there will be no large accumulations of either the larger or smaller sizes of stone. Some hand placement may be required to achieve this distribution. It is the intent of these Specifications to produce a fairly compact riprap protection in which all sizes of material are placed in their proper proportions. Unless otherwise authorized by the ENGINEER, the riprap protection shall be placed in conjunction with the construction of embankments or channel bottoms with only sufficient delay in construction of the riprap protection, as may be necessary, to allow for proper construction of the portion of the embankment and channel bottom which is to be protected. The isCONTRACTOR shall maintain the riprap protection until accepted. Any material displaced for any reason shall be replaced to the lines and grades shown on the Drawings at no additional cost to the OWNER. If the bedding WTF — Cathodic Protection Phase 2 Riprap, Bedding, and Features Boulders October 2011 02375-4 • r �J • materials are removed or disturbed, such material shall be replaced prior to replacing the displaced riprap. 2. Hand Placed Riprap: Hand placed riprap shall be performed during machine placement of riprap and shall conform to all the requirements of Section 02375 PART 2 above. Hand placed riprap shall also be required when the depth of riprap is less than 2 times the nominal stone size, or when required by the Drawings or Specifications. After the riprap has been placed, hand placing or rearranging of individual stones by mechanical equipment shall be required to the extent necessary to secure a flat uniform surface and the specified depth of riprap, to the lines and grades as shown on the Drawings. Soil Replacement In and Over Riprap: Where riprap is designated to be buried, place onsite excavated material that is free from trash and organic matter in riprap voids by washing and rodding. Prevent excessive washing of material into stream. When voids are filled and the surface accepted by the ENGINEER, place a nominal 6 inches of soil over the area, or as designated on the Drawings. Fine grade, seed, and mulch per the Specifications. 4. Rejection of Work and Materials: The ENGINEER shall reject placed riprap which does not conform to this Section and the CONTRACTOR shall immediately remove and relay the riprap to conform with said sections. Riprap shall be rejected, which is either delivered to the job site or placed, that does not conform to this Section. Rejected riprap shall be removed from the project site by the CONTRACTOR and at his expense. 5. Feature Boulders, unless identified as energy dissipation boulders, serve as an aesthetic function and as such shall be placed and rotated into final position as directed by the ENGINEER in order to achieve the desired result. 6. Geotextile fabric shall be installed according to the manufacturer's specifications. Material proposed for use shall be submitted and approved by the ENGINEER prior to installation. WTF — Cathodic Protection Phase 2 October 2011 END OF SECTION 02375-5 Riprap, Bedding, and Features Boulders SECTION 02510 ASPHALT PAVING PART 1-GENERAL 1.01 DESCRIPTION A. 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. This section covers paving of all new and existing asphalt surfaces. Existing pavement is to be replaced with similar material as herein set forth. B. 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 or conventional paving equipment cannot be utilized. 1.02 RELATED SECTIONS Section 02225 - Trenching, Bedding, and Backfilling Section 02710 —Aggregate Base Course • 1.03 QUALITY ASSURANCE A. Test samples will be taken in the field by the Owner's independent testing service. Mix designs and material samples are to be submitted for review at least 4 weeks prior to material placement. All sampling and testing shall be done in accordance with the latest methods of AASHTO; unless otherwise specified. B. All work shall be performed in accordance with the "Larimer County Urban Area Street Standards'. PART 2 - MATERIALS 2.01 MIX DESIGN A. 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 one (1) month prior to the beginning of paving for this project. Designs shall be in accordance with the most recent set of SUPERPAVE specifications available. B. Reclaimed materials will not be allowed in Hot Bituminous Pavement, except a maximum of 20% reclaimed material will be allowed for HBP Grading SG. C. 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. WTF — Cathodic Protection Phase 2 Asphalt Paving October 2011 02510-1 • D. The design mix for Grading S, SX and SG shall conform to the following: Property Test Method Grading S Grading SG GradinaSX Air Voids, percent at: CPL 5115 N (initial) N (design) N (maximum) Lab Compaction (revolutions): CPL 5115 N (initial) (a) N (maximum) (b) N (design) (a) Stability, minimum (a) (for information) Aggregate retained on the 4.75 mm CP 45 (No. 4) Sieve with at least two mechanically induced fractured faces, % minimum Accelerated Moisture Susceptibility CPL 5109 Tensile Strength Ratio (Lottman), Method B Minimum Minimum Dry Split Tensile Strength, CPL 5109 kPa (psi) Method B Grade of Asphalt Cement Top Layer PG 64-22 Grade of Asphalt Cement Layers Below Top Voids in the Mineral Aggregate CP 48 (VMA) % minimum (a) Voids Filled with Asphalt Al MS-2 (VFA) % (a) >11.0 >11.0 >11.0 3.0-5.0 3.0-5.0 3.0-5.0 >2.0 >2.0 >2.0 8 8 (a) 100 100 (b) 158 158 (a) CPL 5106 42 42(a) 60 60 60 80 80 80 205 (30) 205 (30) 205(30) PG 64-22 PG%M PG 64-22 PG 64-22 PG6422 14.0 12.0 (a) 65 — 75 65 — 75 (a) (a) Current CDOT Design Criteria (b) Residential 50, Collector 75 and Arterial 100 Note: AIMS-2 = Asphalt Institute Manual Series 2 Note: the current version of CPL 5115 is available from the CDOT 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. 2.02 CDOT SUBSECTION 403.03 IS REVISED TO INCLUDE THE FOLLOWING: A. Regardless of the delivery temperature, the mixture shall not be placed for use on the roadway at a temperature lower than 225 degrees F. Emulsified Asphalt for tack coat shall be Grade CSS-1 h. 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 WTF — Cathodic Protection Phase 2 Asphalt Paving October 2011 02510-2 • and other deleterious matter immediately prior to commencing the paving operation. Edges of the area to be patched shall be saw cut 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 one and one half (1%) inches. 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 HBP 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. Hot Bituminous Pavement Grading SX, SG and S will be measured by the ton and paid for at the Contract Unit Price for Asphalt Patching or 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 HBP 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. 2.03 PAVING PLANT REQUIREMENTS A. General Requirements 1. Uniformity The plants shall be so designed, coordinated and operated as to produce a mixture within the job mix tolerances as covered in paragraph 2.04C under "Preparation and Composition of the Mixture". 2. Equipment for Preparation of Asphalt Tanks for storage of asphalt shall be capable of heating the material, under effective and positive control at all times, to temperature requirements set forth in the specifications. Heating shall be accomplished by steam coils, electricity or other means such that no flame shall come in contact with the heating tank. A circulating system for the asphalt shall be provided of adequate size to ensure the proper and continuous circulation between storage tank and mixer during the entire operating period. All pipelines and fittings shall be steam jacketed or otherwise properly insulated to prevent heat loss. Storage tank capacity shall be sufficient for at least one day's run. 3. Dryer A rotary dryer of any satisfactory design for drying and heating the mineral aggregates shall be provided. The dryer shall be capable of drying and heating • the mineral aggregate to the temperature requirements set forth in the specifications. WTF — Cathodic Protection Phase 2 Asphalt Paving October 2011 02510-3 • 4. Screens Plant screens, capable of screening all aggregates to the size required for proportioning, and having normal capacities slightly in excess of the full capacity of the mixer, shall be provided. The mesh of the screens shall be approved by the Engineer before paving operations. 5. Bins The plant shall include a minimum of three (3) dry aggregate storage bins with the total capacity of not less than three (3) times the dead load capacity of the mixer. Each bin shall be provided with an overflow pipe that shall be of such size and at such locations as to prevent any backing up of material into other bins. Each bin shall have a suitable convenient means for sampling. The sampling openings shall be subject to the approval of the Engineer. 6. Thermometric Equipment An armored thermometer reading from 200 degrees F to 500 degrees F shall be fixed in the asphalt feed line at a suitable location from the discharge valve at the mixer unit. The plant shall be further equipped with an approved dial scale mercury actuated thermometer, an electric pyrometer, or other approved thermometric instrument so placed at the discharge chute of the dryer as to register automatically or indicate the temperature of the heated aggregate. • 7. Dust Collectors When plants are located in any vicinity where dust may be objectionable orwhen dust interferes with the efficient operation of the plant, proper housing, mixer covers and/or dust collecting systems shall be installed. Provision shall be made to waste the material so collected or to return it uniformly to the mixture as the Engineer may direct. Safety Equipment Adequate and safe stairways to the mixer platform and guarded ladders to other plant units shall be placed at all points required for accessibility to all plant operations. All gears, pulleys, chains, sprockets and other dangerous moving parts shall be thoroughly guarded and protected. Ample and unobstructed passage shall be maintained at all times in and around the truck loading space. This space shall be kept free from drippings from the mixing platform. B. Special Requirements of Batch Plants Plant Scale Scales for any weight box or hopper may be either of the beam or springless dial type and shall be a standard make and design, sensitive to one-half (1/2) of one percent of the maximum load that may be required. When of the beam type, there shall be a separate beam with telltale indicator for each size aggregate and a tare beam for balancing the hopper. WTF — Cathodic Protection Phase 2 Asphalt Paving October 2011 02510-4 • 2. Control of Mixing Time The plant shall be equipped with an approved means to govern the time of mixing and to maintain it. 3. Weight Box or Hopper The equipment shall include a means for accurately weighing each bin size to hold a full batch without hand raking or running over. The weight box or hopper shall be supported on fulcrums and knife edges so constructed that they will not be easily thrown out of alignment or adjustment. Gates on both bins and hopper shall be so constructed as to prevent leakage when they are closed. Asphalt Bucket The asphalt bucket which is used for weighing the asphalt cement shall have sufficient capacity to hold not less than ten percent (10%) of the weight of aggregate required for one batch. It shall be steam jacketed or equipped with properly insulated electric heating units and shall be suspended on dial scales or beam scales equipped with a telltale indicator so that the tare weight of asphalt cement can be measured accurately to within two percent (2%) above or below the weight required. The bucket shall be so arranged that it will deliver the molten asphalt cement in a thin uniform sheet or in multiple streams the full width of the mixer. • 5. Mixer Unit The plant shall include a batch mixer of an approved twin pugmill type or rotary drum type, and shall be capable of producing a uniform mixture within the job mix tolerances fixed by these specifications. It shall have a batch capacity of not less than two thousand pounds. If of the pugmill type, worn or improper pugmill paddles will not be permitted. A mechanical batch counter shall be installed and shall be so designed as to register upon only the actuation of the asphalt bucket release and to preclude the register of any material through the operation of pulling bins. C. Special Requirements for Continuous Mixing Plants Gradation Control Unit The plant shall include a means for accurately proportioning each bin size of aggregate either by weighing or by volumetric measurement. When gradation control is by volume, the unit shall have an accurately controlled individual gate to form an orifice for volumetrically measuring the material drawn from each respective bin compartment. Indicators shall be provided on each gate to show the gate opening in inches. • 2. Weight Calibration of Aggregate Feed The plant shall include a means for calibration of gate openings by means of WTF — Cathodic Protection Phase 2 Asphalt Paving October 2011 02510-5 • weight test samples. The materials fed out of the bins through individual orifices shall be by-passed to a suitable test box, each compartment material confined in a separate box section. The plant shall be equipped to handle conveniently such test samples weighing up to 800 pounds and to weigh them on accurate scales. 3. Synchronization of Aggregate and Asphalt Feed Satisfactory means shall be provided to afford positive interlocking control between the flow of aggregate from the bins and the flow of asphalt from the meter or other proportioning sources. This control shall be accomplished by interlocking mechanical means or any positive method under the control of the Engineer. 4. Mixer Unit for Continuous Method The plant shall include a continuous mixer of an approved twin pugmill type, and shall be capable of producing a uniform mixture within the job mix tolerance fixed by these specifications. The paddles shall be of a type adjustable for angular position on the shafts and reversible to retard the flow of the mix. The mixer shall carry a manufacturer's plate giving the net volumetric contents of the mixer at the several heights inscribed on a permanent gauge and also giving the rate of feed of aggregate per minute at plant operating speed. Unless otherwise required, determination of mixing time shall be by weight • methods under the following formula. The weights shall be determined for the job by tests made by the Engineer. Mixing time in seconds = Pugmill dead capacity in pounds Pugmill output in pounds/second The mixing time shall be approved by the Engineer. 2.04 PREPARATION OF MATERIAL A. Preparation of Asphalt Cement The asphalt cement shall be heated at the paving plant to a temperature not exceeding 325 degrees F. The penetration of the asphalt cement shall be maintained within the limits of penetration specified throughout the period of use. B. Preparation of Mineral Aggregates The mineral aggregate shall be dried and heated at the paving plant so that when delivered to the mixer, they shall be at as low a temperature as is consistent with proper mixing and laying, and in no case to exceed 350F. They may be fed simultaneously into the same drier but in all cases, immediately after heating, they shall be screened into three or more bins. The screen sizes shall be approved by the Engineer prior to the start of construction. C. Preparation and Composition of the Mixture • Each size of hot aggregate, the mineral filler and the asphalt cement shall be measured WTF — Cathodic Protection Phase 2 Asphalt Paving October 2011 02510-6 • separately and accurately to the proportions in which they are to be mixed. After the hot aggregate and mineral filler have been charged into the mixer and thoroughly mixed as directed by the Engineer, the asphalt cement shall be added and the mixing continued for a period of at least twenty seconds or longer if necessary to produce a homogeneous mixture, in which all particles of the mineral aggregates are coated uniformly. D. Paving Plant Inspection For the verification of weights or proportions and character of materials and determination of temperatures used in the preparation of the mixture, the Engineer or his authorized representative shall have access at any time to all parts of the paving plant. PART 3 - EXECUTION 3.01 SURFACE PREPARATION A. All pavement cuts shall be made in straight lines using saw cut. Initial pavement cuts may be made using wheel cut or other suitable method. When laying out the asphalt trench patch, saw cutting of the existing asphalt will not be permitted within the wheel path of a travel lane. B. Prior to placing the prime coat, the base course shall be thoroughly cleaned. Loose • material shall be removed from the existing surface as directed by the Engineer. 3.02 PRIME COAT A. All previously prepared bases or existing surfaces shall be primed with a cationic emulsified asphalt in accordance with the requirements of these specifications, and at the locations that are shown on the plans or as directed by the Engineer. The prime coat shall be placed by means of an approved pressure distributor. Before application, the asphaltic oil shall be heated as directed by the Engineer. However, it shall not be heated to more than 180 degrees F. In general, the rate of application shall be from 0.25 to 0.35 gallons per square yard as directed by the Engineer. The prime coat shall be carefully applied, particularly around curbs and sidewalks. If excessive amounts of curb, sidewalks, or other structures are sprayed with asphaltic oil, they shall be cleaned as directed by the Engineer at the Contractor's expense. All vertical contact faces shall be primed by painting with cationic emulsified asphaltic oil. 3.03 ASPHALTIC CONCRETE SURFACE A. Transportation of Mixture The mixture shall be transported from the paving plant to the work in vehicles equipped with tight metal compartments previously cleaned of all foreign materials. When directed by the Engineer, the compartments shall be sufficiently insulated and each load shall be covered with canvas or other suitable materials of sufficient size to protect it from weather • conditions. The inside surface of all vehicle compartments used for hauling mixture must be lightly lubricated with a thin oil or soap solution just before loading, but excess lubricant will not be permitted. No load shall be sent out so late in the day, as to interfere WTF — Cathodic Protection Phase 2 Asphalt Paving October2011 02510-7 • B. General Conditions The mixture shall be laid only when the base is dryand only when weather conditions are suitable. The mixture shall be laid only when atmospheric temperatures are above 40F and rising and when no frost exists in the subgrade. Any material laid shall be rolled with pneumatic rollers in addition to the specified rolling, as directed by the Engineer. C. Placing Asphalt Mixture If traffic is allowed to use the prepared subgrade or sub -base, the subgrade or sub -base shall be checked and corrected as needed immediately ahead of placing bituminous materials. Prior to placement of the bituminous surface, the base shall be cleaned of all dirt or other foreign matter. When the new pavement abuts the old pavement, the Contractor shall cut the old pavement as directed by the Engineer and paint the edge of the pavement with a tack coat. PLACEMENT TEMPERATURE LIMITATIONS Top Layer of The Completed Pavement Min. Placement Air Temp. Layers Below the Top Layer of Completed Pavement Min. Placement Air Temp. Compacted Mix Temp. Mix Temp. Compacted Mix Temp. Mix Temp Thickness Over 234 F 200-234 F Thickness Over 234 F 200-234 F Under 1" 60 degrees F 70 degrees F Under 2" 40 degrees F 50 degrees F 1" — 2 %2' 50 degrees F 55 degrees F 2" — 3" 30 degrees F 40 degrees F Over 2 %' 40 degrees F 45 degrees F 3 '/4" — 4" 25 degrees F 30 degrees F Over 4" 20 degrees F 20 degrees F The asphaltic pavement shall be placed only when the base is stable and weather conditions are suitable. The asphaltic pavement shall have a density of ninety-five percent (95%) of a representative laboratory compacted specimen by the Hveem method as tested in accordance with ASTM Method 2950-132 and ASTM D 2726-83. While the surface is being compacted and finished, the Contractor shall carefully trim the outside edges of the pavement to the proper alignment. Unless otherwise permitted by the Engineer, the mixture shall be spread by means of a mechanical self -powered paver, capable of spreading the mixture true to the line, grade and crown set by the Engineer. Pavers shall be equipped with hoppers and distributing screws of the reversing type to place the mixture evenly in front of adjustable screeds. The mixture shall be dumped in the center of the hoppers, and care exercised to avoid overloading and spilling over of the mixture upon the base. Pavers shall operate when laying mixtures at such speed between ten feet and twenty feet per minute as may be decided by the Engineer. WTF — Cathodic Protection Phase 2 October2011 02510-8 Asphalt Paving 00601 PAYMENT BOND Bond No. 0159466 NOW ALL BY THESE PRESENTS: that (Firm) Hydro Construction Company, Inc. (Address) 301 East Lincoln Avenue, Fort Collins, CO 80524 (1t3SXiS3Tr4X�lcay��(X�ASdt#t�iC�t3I;�SJ( (a Corporation), hereinafter referred to as "the Principal," and (Firm) Berkley Regional Insurance Company (Address) 11201 Douglas Avenue, Urbandale, IA 50322 hereinafter referred to as "the Surety," are held and fumly bound unto the City of Fort Collins, 300 West LaPorte Avenue, Post Office Box 580, Fort Collins, Colorado 80522, a Municipal Corporation, hereinafter referred to as "the Owner," in the penal sum of $39,464,00 Thirtv Nine Thousand Four Hundred Sixtv Four Dollars and 00/100 in lawful money of the United States, for the payment of which sum well and truly to be made, we bind ourselves, successors and assigns, jointly and severally, firmly by these presents. TIIE CONDITIONS OF THIS OBLIGATION are such that whereas the Principal entered into a certain Contract Agreement with the Owner, dated the 26th day of May , 2011 , a copy of which is hereto attached and make a part hereof for the performance of City of Fort Collins Project, Work Order No. SCP-WTF-CP2-100411 - WTF Cathodic Protection Phase 2; Notice of Award Date: October 17. 2011 WisW, THEREFORE, if the Principal shall make payment to all persons, firms, subcontractors and corporations furnishing for or performing labor in the prosecution of the work provided for in such Contract Agreement, and any authorized extension or modification thereof, including all amounts due for materials, lubricants, repairs on machinery, equipment and tools, consumed, rented or used in connection with the construction of such work, and all insurance premiums on said work, and for all labor, performed in such work whether by subcontractor or otherwise, then this obligation shall be void; otherwise to remain in full force and effect. PROVIDED, FURTHER, that the said Surety, for value received, hereby stipulates and agrees that no change, extension of time, alteration or addition to the terms of the Construction Agreement or to the work to be performed thereunder or the specifications accompanying the same shall in any way affect its obligation on this bond; and it does hereby waive notice of any such change, extension of time, alteration or addition to the terms of the Construction Agreement or to the work or to the specifications. PROVIDED, FURTHER, that no final settlement between the Owner and the Contractor shall abridge the right of any beneficiary hereunder, whose claim may be unsatisfied. • Page 1 of 2 • Pavers shall be equipped with a quick and efficient steering device and shall have forward and reverse speeds of not less than one hundred feet per minute. Unless operating on fixed side forms, pavers shall employ mechanical devices such as equalizing runners, straightedge runners, evenerarms orother compensating devices to adjust the grade and confine the edges of the mixture to true lines without the use of stationary side forms. The pavers shall be capable to spreading the mixtures, without segregation, in thickness of from one-half inch to three inches, to a maximum width of ten feet in increments of one foot or less and to a minimum width of eight feet. They shall be equipped with blending orjoint leveling devices for smoothing and adjusting all longitudinal joints between adjacent strips of courses of the same thickness. When asphaltic concrete pavement thickness in excess of two inches are called for, they shall be laid in separate courses of not less than one inch nor more than two inches or as directed by the Engineer. The term "screed" includes a "strike -off' device operating by cutting, crawling, or other practical action which is effective on the mixture at a workable temperature without tearing, shoving, or gouging and which produces a finished surface of the evenness and texture specified. The screed shall be adjustable as to level and shall have an indicating level attached. Longitudinal and transverse joints shall be made in a careful manner. Well bonded and sealed joints are required. If necessary to obtain this result, joints shall be painted with cationic emulsified asphaltic cement. • In making the joint along any adjoining edges such as curb, gutter or an adjoining pavement and after the hot mixture is placed by the finished machine, just enough of the hot material shall be carried back to fill any space left open. This joint shall be properly "set" up with the back of rake at proper height and level to receive the maximum compression under rolling. The work of "setting up" this joint shall be performed always by competent workmen, who are capable of making correct, clean and neat joints. Immediately after any course is screeded, and before roller compaction is started, the surface shall be checked, any inequalities adjusted, all fat, sandy accumulation from the screed removed by a rake or hoe, a grade along the outside edge shall also be corrected by the addition or removal of mixture before the edge is rolled. In narrow, deep or irregular sections, intersections, turnouts or driveways where it is impractical to spread and finish the mixtures by machine methods, the contractor may use approved spreading equipment or acceptable hand methods as directed by the Engineer. When the mixture is to be spread out by hand, upon arrival on the work it shall be dumped upon a steel dump board outside the area on which it is to be spread. Immediately thereafter it shall be distributed into place by means of hot shovels and spread with hot rakes in a loose layer of uniform density and correct depth. Tines of the rakes shall not be less than one-half (1/2) inch longer than the loose depth of the mixture and spaces between tines shall not be less than the maximum diameter of aggregate particle except that in no case should the spaces be less than one (1) inch. Loads shall not be dumped any faster than can be properly handled by the shovelers. • The shovelers shall not WTF — Cathodic Protection Phase 2 Asphalt Paving October 2011 02510-9 • distribute the dumped load faster than it can be properly handled by the rakers. The rakers will not be permitted to stand in the hot mixture while raking it, except where necessary to correct errors in the first raking. The raking must be carefully and skillfully done in such a manner that after the first passage of the roller over the raked mixture, a minimum amount of back patching will be required. Placing mixtures shall be as continuous as possible and the roller shall pass over the unprotected edge of the freshly laid mixture only when the laying of this course is to be discontinued for such intervals of time as to permit the mixture to become chilled. D. Joints Joints between old and new pavements, or between successive days work, shall be carefully made in such a manner as to insure a thorough and continuous bond between the old and new surfaces. The edge of the previously laid course shall be cut back to its full depth so as to expose a fresh surface, after which the hot surface mixture shall be placed in contact with it and raked to a proper depth and grade. Hot smoothers or tampers shall be carefully used in such a manner as to heat up the old pavement sufficiently (without burning it) to insure a proper bond. Before placing mixture against them, all contact surfaces of curbs, gutters, headers, manholes, etc. shall be painted with a thin uniform coating of cationic emulsified asphaltic cement. E. Compaction of the Mixture • After spreading, the mixture shall be thoroughly and uniformly compressed by a power - driven roller or rollers, weighing not less than eight (8) tons, as soon after being spread as it will bear the roller without undue displacement. Delays in rolling freshly spread mixture will not be tolerated. Rolling shall start longitudinally at the sides and proceed toward the center of the pavement overlapping on successive trips by at least one-half (1/2) the width of a rear wheel. Alternate trips of the roller shall be of slightly different lengths. The pavement shall then be subject to diagonal rolling crossing the lines of the first. If the width of the pavement permits, it shall, in addition, be rolled at right angles to the centerline. The speed of the roller shall not exceed three miles per hour and shall, at all times, be slow enough to avoid displacements of the hot mixture, and any displacement occurring as a result of reversing the direction of the roller, or from any other cause, shall at once be corrected by the use of rakes and of fresh mixture where required. Rolling shall proceed continuously until all roller marks are eliminated and no further compression is possible. To prevent adhesion of the mixture to the roller, the wheels shall be kept properly moistened, but excess water or oil will not be permitted. The rollers shall be in good condition, capable of reversing without back -lash and shall weigh not less than two hundred (200) pounds to the inch of tread. They shall be operated by competent and experienced rollermen, and must be kept in continuous operation as nearly as practicable in such a manner that all parts of the pavements shall receive substantially equal compression. • Along curbs, headers, manholes and similar structures, and all places not accessible to the roller, thorough compactions must be secured by means of hot tampers and at all WTF - Cathodic Protection Phase 2 Asphalt Paving October2011 02510-10 • contacts of this character, the joints between these structures and the surface mixture must be effectively sealed. The course, after final compaction, shall conform to the following requirements: It shall be smooth and true to the established crown and grade. It shall have the average thickness specified and shall at no point vary more than one -quarter inch from the thickness shown on the typical cross-section in the Contract Drawings. Any low or defective places shall immediately be remedied by cutting out the course at such spots and replacing it with fresh, hot mixture which shall be immediately compacted to conform to the surrounding area and shall be free from depressions exceeding one-fourth inch as measured with a ten foot straightedge paralleling the centerline of the roadway. 2. After final compaction, the finished surface course shall at no point have a density less than 95 percent of the maximum density possible to be obtained in a voidless pavement composed of the same materials in like proportions. Density shall be determined from specimens cut from the finished pavement as directed by the Engineer. 3.04 ASPHALT PATCHING Grading SG shall be placed in the bottom of the patches and shall be left one and one-half (1 %) to two (2) inches below the existing street surface to allow the patch to be "topped" with a • surface course material. The "topping" material shall be Hot Bituminous Pavement Grading SX for residential streets and Grading S for arterials and collectors. 3.05 TEMPORARY ASPHALT COLD -PATCH In the event Contractor cannot install hot bituminous pavement, for whatever reason, pursuant to the requirements of these documents, he shall install a temporary asphalt cold patch pursuant to said requirement and subsequently remove said cold patch and replace with hot bituminous pavement at the earliest possible date. A. Place suitably prepared base course. B. Minimum thickness: 2 inches on 6-1/2 inches of aggregate base course C. Contractor is responsible for maintaining cold -patch. 3.06 MANHOLE FRAMES AND VALVE BOXES A. Prior to placing the final lift of pavement, manhole frames and water valve vaults shall be raised to final grade. B. Foreign matter which is introduced into manholes and valve boxes shall be removed immediately to provide free access to the facilities. • C. Valve vaults and manhole rings shall be straight and properly aligned. Adjustments are to be made with concrete rings and mortar only. WTF — Cathodic Protection Phase 2 Asphalt Paving October 2011 02510-11 • Valve boxes shall be inspected by placing a valve key on the operating nut to assure a proper alignment. • END OF SECTION WTF — Cathodic Protection Phase 2 Asphalt Paving October2011 02510-12 • SECTION 02710 AGGREGATE BASE COURSE PART1 GENERAL 1.01 SECTION INCLUDES A. The worked to be performed includes the preparation of the aggregate base course foundation; the production, stockpiling, hauling, placing and compacting aggregate base course. 1.02 RELATED SECTIONS A. Section 02240 - Water Control and Dewatering B. Section 02315 - Excavation and Embankment 1.04 SUBMITTALS A. The CONTRACTOR shall cooperate with the ENGINEER in obtaining and pro- viding samples of all specified materials. The CONTRACTOR shall submit certi- fied laboratory test certificates for all items required in this section. PART PRODUCTS 2.01 MATERIALS A. Aggregates: Aggregates for bases shall be crushed stone, crushed slag, crushed gravel or natural gravel that conforms to the quality requirements of AASHTO M 147 except that the requirements for the ratio for the minus No. 200 sieve fraction to the minus No. 40 sieve fraction shall not apply. The require- ments for the Los Angeles wear test shall not apply to Class 1, 2 and 3. Aggre- gates for bases shall meet the grading requirements as called out in the Draw- ings. The liquid limit shall be as shown in the table and the plasticity index shall be <- 6. WTF - Cathodic Protection Phase 2 October 2011 02710-1 Aggregate Base Course • C] B. Gradations: Sieve Percentage by Weight Passing Square Mesh Sieves Designation LL < 35 LL < 30 Class Class Class Class Class Class Class 7 1 2 3 4 5 6 4 inch --- 100 --- --- --- --- --- 3 inch --- 95 - --- --- --- --- --- 100 2 1/2 inch 100 --- --- 100 --- --- --- 2 inch 95 - --- --- 100 --- --- --- 100 1 1/2 inch --- 90 - 100 --- --- 100 1 inch --- --- --- --- 95 - --- 100 100 3/4 inch --- --- --- 50 - --- 100 --- 90 No. 4 30 - --- --- 30 - 30 - 30 - 65 50 70 65 No. 8 --- --- --- --- --- 25 - 20 - 85 55 No.200 3-15 3-15 20 3-12 3-15 3-12 5-15 max. Note: Class 3 materials shall consist of bank or pit run material. 2.02 EQUIPMENT A. General: Equipment shall be capable of legally performing the work as de- scribed in this Specification. Equipment that is inadequate to obtain the results specified shall be replaced or supplemented as required to meet the require- ments of this Specification. Any equipment that is used in an improper manner may be cause for rejection of the work if in the opinion of the ENGINEER the work fails to meet the requirements of this specification. Equipment used for compaction shall be the rolling type, vibratory type, or com- bination of both types, and shall be of sufficient capacity to meet the compaction requirements herein. PART 3 EXECUTION 3.01 PREPARATION OF FOUNDATION A. The foundation shall be considered course, or base course, as the case surface course is to be constructed. WTF — Cathodic Protection Phase 2 October 2011 02710-2 to be the finished earth subgrade, subbase may be, upon which any subbase, base or Aggregate Base Course • Preparation of foundation for construction of a subbase, base, or surface course shall consist of the work necessary to restore, correct, strengthen or prepare the foundation to a condition suitable for applying and supporting the intended course. For aggregate base course roads and parking areas, the top six -inches of topsoil shall be stripped within the area to be aggregate surfaced. Following stripping of the topsoil, the upper 12 inches of the subgrade shall be scarified and com- pacted to a minimum of 95% of the Maximum Standard Proctor Density (ASTM D698). On -site material may be used as accepted by the ENGINEER, for compacted fill for the aggregate base course. Fill shall be placed within 2% of optimum moisture content and compacted to a minimum of 95% of the Maximum Standard Proctor Density (ASTM D698). Aggregate base course used as a foundation for pavements shall be placed on the sub - grade within two percent of optimum moisture and compacted to a minimum of 95% of the Maximum Standard Proctor Density (ASTM D698). The top six inches of topsoil shall be stripped within the area to be aggregate surfaced. Following stripping of the topsoil, the upper 12 inches of the subgrade shall be scarified and compacted to a minimum of 95% of the Maximum Standard Proctor Density (ASTM D698). On -site ma- terial may be used, as accepted by the ENGINEER, for compacted fill for the aggregate base course. Fill shall be placed within 2% of optimum moisture content and compacted to a minimum of 95% of the Maximum Standard Proctor Density (ASTM D698). Devia- tions in aggregate base course under pavements of more than 1/4 inch in 10 feet, measured with a 10-foot straight edge, shall be corrected prior to pavement construc- tion. • The foundation shall be prepared and constructed such that it will have a uniform den- sity throughout. It shall be brought to the required alignment and cross section with equipment and methods adapted for the purpose. Upon completion of the shaping and compacting operations, the foundation shall be smooth, at the required density, and at the proper elevation and contour to receive the aggregate base course. After the specified compaction has been obtained, the subgrade under the curb, gutter, sidewalk and pavement shall be proof -rolled with a heavily loaded rubber tire roller, fully loaded water truck, or other approved equipment. Those areas which produce a rut depth of over inch or which crack the subgrade after pumping and rebounding shall be ripped, scarified, wetted or dried if necessary, and recompacted 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 unsuit- able materials and backfill to the finished grade with approved material. The completed subgrade shall be proof -rolled again after placement of approved material. Unless otherwise provided, all holes, ruts and other depressions in the foundation shall be filled with materials similar to those existing in the foundation. High places shall be excavated and removed to the required lines, grade and section. Base course material shall not be placed on a foundation that is soft, spongy, or one that is covered by ice or snow. Base course shall not be placed on a dry or dusty foun-dation where the existing condition would cause rapid dissipation of moisture from the base course material and hinder or preclude its proper compaction. Dry foundations shall have water applied and reworked and compacted as necesary. WTF - Cathodic Protection Phase 2 Aggregate Base Course October 2011 02710-3 • The ENGINEER shall direct the CONTRACTOR to make minor adjustments in the finish grade from that shown in the Drawings as may be necessary or desir- able to maintain the characteristics of a stabilized foundation by minimizing the amount of cutting into or filling. 3.02 EARTH SUBGRADE A. When the foundation is an earth subgrade it shall be prepared by removing all vegetation, excavating and removing materials, filling depressions, scarifying, shaping, smoothing and compacting to meet the required grade, section and density. Stones over six inches in greatest dimension shall be removed. 3.03 PLACEMENT A. The aggregate base course shall be constructed to the width and section shown in the Drawings. If the required compacted depth of base coarse exceeds six inches, the base shall be constructed in two or more layers of approximate equal thickness. The maximum compacted thickness of any one layer shall not exceed six inches. Each layer shall be constructed as far in advance of the succeeding layer as the ENGINEER may direct. The work shall, in general, proceed from the point on • the project nearest the point of supply of the aggregate in order that the hauling equipment may travel over the previously placed material, and the hauling equipment shall be routed as uniformly as possible over all portions of the previ- ously constructed courses or layers of the base course. The material shall be deposited on the soil foundation, or previously placed layer in a manner to minimize segregation and to facilitate spreading to a uniform layer of the required section. In the event that blending of materials is necessary to provide required gradation and properties of the material, and is done in the roadway, the same shall be accomplished by mixing the aggregate and blending material by means of blade graders, discs, harrows or other equipment to effect a uniform distribution and gradation throughout the finished mixture. Excessive mixing and grading that will cause segregation between the coarse and fine ma- terials is prohibited. 3.04 COMPACTION A. After a layer or course has been placed and spread to the required thickness, width and contour, it shall be compacted. If the material is too dry to readily at- tain the required density, it shall be uniformly moistened to the degree necessary during compaction operations for proper compaction. B. Compaction of each layer shall continue until the required density of Section 3.01 is reached. The surface of each layer shall be maintained during compaction operations in such a manner that a uniform texture is produced and aggregates firmly keyed. WTF — Cathodic Protection Phase 2 Aggregate Base Course October2011 02710-4 • All areas where proper compaction is not obtainable due to segregation of mate- rials, excess fines, or other deficiencies in the aggregate, shall be reworked as necessary or the material removed and replaced with aggregates that will meet this specification. The surface of each layer shall be kept true and smooth at all times. 3.05 MIXING A. General: Unless otherwise specified, the CONTRACTOR shall mix the aggre- gate by any one of the three following methods. Stationary Plant Method: Aggregate base course and water shall be mixed in an approved mixer. After mixing the aggregate shall be transported to the project site while it contains the proper moisture content and shall be placed on the road- bed by means of an approved spreader. 2. Travel Plant Method: After the material for each layer has been placed through an aggregate spreader or windrow sizing device, it shall be uniformly mixed by a travel- ing mixing plant. 3. Road Mix Method: • After material for each layer has been placed, the materials shall be mixed while at an optimum moisture content by motor graders or other approved equipment until the mixture is uniform throughout. 3.06 SHOULDER CONSTRUCTION A. Shoulders shall be constructed with base course material to conform to the ele- vation and section shown in the Drawings. No equipment shall be used which by its design or through its manner of operation that will damage the pavement or curbs. Insofar as practicable, the base course material shall be placed directly on the shoulder area. Materials that are deposited outside the shoulder area, if not contaminated, shall be recovered and placed within the required limits. The CONTRACTOR will not be compensated for materials not recovered as deter- mined by the ENGINEER. Materials shall not be deposited on the pavement or surfacing during placing unless specifically permitted by the ENGINEER. The base course material as placed shall be spread and compacted to the re- quired density in layers not exceeding six inches in compacted thickness. Any material inadvertently placed on the pavement shall be broomed from the pave- ment. The result shall not effect a change in the gradation of the shoulder mate- rial. • END OF SECTION WTF - Cathodic Protection Phase 2 Aggregate Base Course October 2011 02710-5 IN WITNESS WHEREOF, this instrument is executed in three counterparts, each one of which shall be deemed an original, this 7th day of October + 2011 (CORPORATE SEAL) IN PRESENCE OF: N/A :a IN,PRESEIILCE OF: � �In, c,� k � By, Philip J. Monasch • (SURETY SEAL) Principal Hydro Construction Company, Inc mt�e) 301 East Lincoln Avenue, Fort Collins, CO 80524 (Address) Other Partners By: N/A By: Surety Berkley Regional Insurance Company By: V . Attorney -in -Fact c Nicole L. McCollam 11201 Douglas Avenue Urbandale, IA 50322 (Address) NOTE: Date of Bond must not be prior to date of Contract Agreement. If Contractor is Partnership, all pariners should execute Bond. IMPORTANT: Surety Company must be authorized to transact business in the State of Colorado and be acceptable to the Owner. Q6 • StreetSuit, 600 Denver, CO 80202-1657 Phone 303.534.4567 Page 2 of 2 No. 7724a POWER OF ATTORNEY BERKLEY REGIONAL INSURANCE COMPANY WILMINGTON, DELAWARE O-OTICE: The warning found elsewhere in this Power of Attorney affects the validity thereof. Please review carefully. KNOW ALL MEN BY THESE PRESENTS, that BERKLEY REGIONAL INSURANCE COMPANY (the "Company"), a corporation duly organized and existing under the laws of the State of Delaware, having its principal office in Urbandale, Iowa, has made, constituted and appointed, and does by these presents make, constitute and appoint: Sheryll Shaw, Nicole L. McCollam, Sue Wood, Bradley J. Jeffress, Kristen L. McCormick, Sarah Finn, Robert L. Cohen, Robert J. Reiter or Jennifer Bub of IMA of Colorado, Inc. of Denver, CO its true and lawful Attorney -in -Fact, to sign its name as surety only as delineated below and to execute, seal, acknowledge and deliver any and all bonds and undertakings, with the exception of Financial Guaranty Insurance, providing that no single obligation shall exceed Fifty Million and 00/100 U.S. Dollars (U.S.$50,000,000), to the same extent as if such bonds had been duly executed and acknowledged by the regularly elected officers of the Company at its principal office in their own proper persons. 7 This Power of Attorney shall be construed and enforced in accordance with, and governed by, the laws of the State of Delaware, without giving effect to the principles of conflicts of laws thereof. This Power of Attorney is granted pursuant to the following resolutions which were duly and validly adopted at a meeting of the Board of Directors of the Company held on August 21, 2000: 'J "RESOLVED, that the proper officers of the Company are hereby authorized to execute powers of attorney authorizing and qualifying the attorney -in -fact named therein to execute bonds, undertakings, recognizances, or other suretyship obligations on behalf of the Company, and to affix the corporate seal of the Company to powers of attorney executed pursuant hereto; - and further - RESOLVED, that such power of attorney limits the acts of those named therein to the bonds, undertakings, recognizances, or other suretyship obligations specifically named therein, and they have no authority to bind the Company except in the manner and to the extent therein stated; and further = RESOLVED, that such power of attorney revokes all previous powers issued on behalf of the attorney -in -fact named; and further RESOLVED, that the signature of any authorized officer and the seal of the Company may be affixed by facsimile to any power of attorney or certification thereof authorizing the execution and delivery of any bond, undertaking, recognizance, or ther suretyship obligation of the Company; and such signature and seal when so used shall have the same force and effect as though manually affixed. The Company may continue to use for the purposes herein stated the facsimile signature of any person or persons who shall have been such officer or officers of the Company, notwithstanding the fact that they may have ceased to be such at the time when such instruments shall be issued." IN WITNESS WHEREOF, the Company has caused these presents to be signed and attested by its appropriate officers and its 1'corporate seal hereunto affixed this.e day of 201 I. J Attest: Berkley Regional Insurance Company 'J 'J (Seal) By By Ira S. Lederman �Hafte Senior Vice President & Secretary enior ice President WARNING: THIS POWER INVALID IF NOT PRINTED ON BLUE "BERKLEY- SECURITY PAPER. STATE OF CONNECTICUT ) ss: COUNTY OF FAIRFIELD ) Sworn to before me, a Notary Public in the State of Connecticut, this -2 / day of J'%Z4---i , 2011, by Jeffrey M. Hafter and Ira S. Lederman who are sworn to me to be the Senior Vice President, and the Senior Vice President and Secretary, respectively, of Berkley Regional Insurance Company. EILEEN IKIILLEEN 11T0319A2A' AULti.Y:C J My CQMMISSION EXPIRES JUNE SO, 2012 Notary Public, State of Connecticut - -•- CERTIFICATE x 11 the undersigned, Assistatii S:cretun of BLKKI-EY REGIONAL INSURANCE COMPANY, DO HEREBY CERTIFY that the foregoing is a true, correct'and cotnpiete copy of.the original Power of Attorney; that said Power of Attorney has not been revoked *rescinded and that the authority of t'he Attomey-in-Fact set forth therein, who executed the bond or undertaking to which this er of Attorney is attached, is in full force and' effect as of this date. Given under my hand and sea' of the Company, this 7th- day of OLtt1bpr _ -2011. (Seal) Steven Coward Instructions for Inquiries and Notices Under the Bond Attached to This Power • Berkley Surety Group, LLC is the affiliated underwriting manager for the surety business of::lcadia Insurance Compam, Berkley Insurance Company, Berkley Regional Insurance Company, Carolina Casualty Insurance Company, Union Standard Insurance Company, Continental Western Insurance Compan}, and Union Insurance Company. To verify the authenticity of the bond, please call (866) 768-3534 or email BSGlnquiry(a berkleysuret .com Any written notices, inquiries, claims or demands to the surety on the bond to which this Rider is attached should be directed to: Berkley Surety Croup, LLC 412 Mount hemble Avenue Suite 3ION Morristown. NJ 07960 .attention: Surety Claims Department Or email 13SGCIaim(a berkleysurety.com Please include with all notices the bond number and the name of the principal on the bond. where a claim is being asserted, please set forth generalh the basis of the claim. In the case of a payment or performance bond, please identify the project to which the bond pertains. • 0 A� o® CERTIFICATE OF LIABILITY INSURANCE °10/o /20 Y" THIS CERTIFICATE IS ISSUED AS A MATTER OF INFORMATION ONLY AND CONFERS NO RIGHTS UPON THE CERTIFICATE HOLDER. THIS ERTIFICATE DOES NOT AFFIRMATIVELY OR NEGATIVELY AMEND, EXTEND OR ALTER THE COVERAGE AFFORDED BY THE POLICIES LOW. THIS CERTIFICATE OF INSURANCE DOES NOT CONSTITUTE A CONTRACT BETWEEN THE ISSUING INSURER(S), AUTHORIZED PRESENTATIVE OR PRODUCER, AND THE CERTIFICATE HOLDER. IMPORTANT: If the certificate holder Is an ADDITIONAL INSURED, the policy(les) must be endorsed. If SUBROGATION IS WAIVED, subject to I terms and conditions of the policy, certain policies may require an endorsement. A statement on this certificate does not confer rights to the certificate holder in lieu of such endorsement(s). PRODUCER 1-303-534-4567 CONTACT NAME: IMA of Colorado, Inc. PHONE FAY A/C No: E-MAIL ADDRESS: 1550 17th Street Suite 600 Denver, CO 80202 INSURERS AFFORDING COVERAGE NAIC0 INSURER A: TRAVELERS IND CO 25658 INSURED INSURER B: TRAVELERS PROP CAS CO OF AMER 25674 Hydro Construction Company, Inc. INSURER C: PINNACOL ASSQR 91190 INSURER D: 301 East Lincoln Avenue INSURER E: Fort Collins, CO 80524 INSDRER F COVERAGES CERTIFICATE NUMBER: 23533951 REVISION NUMBER: THIS IS TO CERTIFY THAT THE POLICIES OF INSURANCE LISTED BELOW HAVE BEEN ISSUED TO THE INSURED NAMED ABOVE FOR THE POLICY PERIOD INDICATED. NOTWITHSTANDING ANY REQUIREMENT, TERM OR CONDITION OF ANY CONTRACT OR OTHER DOCUMENT WITH RESPECT TO WHICH THIS CERTIFICATE MAY BE ISSUED OR MAY PERTAIN, THE INSURANCE AFFORDED BY THE POLICIES DESCRIBED HEREIN IS SUBJECT TO ALL THE TERMS, EXCLUSIONS AND CONDITIONS OF SUCH POLICIES. LIMITS SHOWN MAY HAVE BEEN REDUCED BY PAID CLAIMS. INSR LTR TYPE OF INSURANCE ADDL POLICY NUMBER MMIDU�Y MMIDDYEXP IYYYY LIMITS A GENERAL LIABILITY DTC08743RO16IM11 09/30/1 09/30/12 EACHOCCURRENCE S 1,000,000 X COMMERCIALGENERAL LIABILITY CLAIMS -MADE 111 OCCUR AMA RENT PREMISES Ea occurrence S 300,000 MED EXP(My me person) $10,000 PERSONAL B ADV I NJURY $ 1,000,000 X PI) Ded:$5,000 GENERAL AGGREGATE $ 2,000,000 GEN'L AGGREGATE LIMIT APPLIES PER: PRODUCTS - COMPIOP AGG $ 2,000,000 POLICY PRO LOG M $ AUTOMOBILE LIABILITY DT8108743ROl TIL11 COMBINED SINGLE LIMIT Ea acciders 11000,000 BODILY INJURY (Per person) $ X ANYAUTO ALL OWNED SCHEDULED AUTOS AUTOS BODILY INJURY (Per accident) E PROPERTY DAMAGE Per accident $ X X N.N-OWNED HIRED AUTOS AUTOS B X UMBRELLA LIAR X OCCUR DTSMCUP8743RO16TIL11 09/30/1 09/30/12 EACH OCCURRENCE $ 11000,000 AGGREGATE $ 1,000,000 EXCESS LIAR CLAIMS -MADE DED X RETENTIONS 10, 000 $ C WORKERS COMPENSATION AND EMPLOYERS' LIABILITY YIN ANY PROPRIETORIPARTNERIEXECUTIVE OFFICERIMEMBER EXCLUDED? NIA 2091550 04 /Ol/1 09 /Ol/12 WC STATU- OTH- R E.L. EACH ACCIDENT E 1, 000, 000 EL DISEASE -EA EMPLOYE $ 1, 000, 000 (Mandatory in NH) If yes, describe under DESCRIPTION OF OPERATIONS below E.L. DISEASE - POLICY LIMIT $ 1, 000 , 000 DESCRIPTION OF OPERATIONS I LOCATIONS I VEHICLES (Anson ACORD 101, Additional Remarks Schedule, if more space Is required) City of Fort Collins is included as Additional Insured on the General Liability Policy if required by written contract or agreement and with respect to work performed by Insured subject to the policy terms and conditions. RE; WTF Cathodic Protection Phase 2 JObRSCP-WTF-CP2-100411 City of Fort Collins Wood Street Collins, CO 80521-0000 ACORD 25 (2010/05) rachae111 23533951 SHOULD ANY OF THE ABOVE DESCRIBED POLICIES BE CANCELLED BEFORE THE EXPIRATION DATE THEREOF, NOTICE WILL BE DELIVERED IN ACCORDANCE WITH THE POLICY PROVISIONS. USA I / / © 1988-2010 ACORD CORPORATION. All rights reserved. The ACORD name and logo are registered marks of ACORD • SECTION 00635 CERTIFICATE OF SUBSTANTIAL COMPLETION • • TO: City of Fort Collins (OWNER) Date of Substantial Completion: Project or Specified Part Shall Include: PROJECT TITLE: WTF — Cathodic Protection Phase 2 LOCATION: Fort Collins. Colorado OWNER: City of Fort Collins CONTRACTOR: Hydro Construction CONTRACT DATE: May 26, 2011 Work performed under this contract has been inspected by authorized representatives of the OWNER, CONTRACTOR, and the ENGINEER and the project (or specified part of the project, as indicated above) is hereby declared to be substantially completed on the above date. A tentative list of items to be completed or corrected is appended hereto. This list may not be exhaustive, and the failure to include an item on it does not alter the responsibility of the CONTRACTOR to complete all the Work in accordance with the Contract Documents. ENGINEE By: Authorized Representative Date The CONTRACTOR accepts the above Certificate of Substantial Completion and agrees to complete and correct the items on the tentative list within the time indicated. CONTRACTOR By: Authorized Representative Date The OWNER accepts the project or specified area of the project as substantially complete and will assume full possession of the project or specified area of the project at 12:01 a.m., on The responsibility for heat, utilities, security, and insurance under the Contract Documents shall be as set forth under "Remarks" below. CITY OF FORT COLLINS COLORADO By: OWNER Authorized Representative Date WTF — Cathodic Protection Phase 2 October 2011 00635-1 Certificate of Substantial Completion SECTION 00640 CERTIFICATE OF FINAL ACCEPTANCE TO: Gentlemen: .2011 You are hereby notified that on the day of , 2011 the City of Fort Collins, Colorado, has accepted the Work completed by Hydro Construction for the City of Fort Collins project, WTF — Cathodic Protection Phase 2 A check has been issued in the amount of $ as Final Payment for all Work done, subject to the terms of the Contract Documents which are dated In conformance with the Contract Documents for this project, your obligations and guarantees will continue for the specified time from the following date: • Sincerely, • OWNER: City of Fort Collins By: Title: ATTEST: By: Title: WTF — Cathodic Protection Phase 2 Certificate of Final Acceptance October 2011 00640-1 • SECTION 00650 LIEN WAIVER RELEASE (Contractor) TO: City of Fort Collins. Colorado (OWNER) FROM: Hydro Construction (CONTRACTOR) PROJECT: WTF — Cathodic Protection Phase 2 1. The CONTRACTOR acknowledges having received payment, except retainage from the OWNER for all work, labor, skill and material furnished, delivered and performed by the CONTRACTOR for the OWNER or for anyone in the construction, design, improvement, alteration, addition or repair of the above described project. 2. In consideration of such payment and other good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, the CONTRACTOR voluntarily waives all rights, claims and liens, including but not limited to, mechanic's liens, Miller Act claims (40 U.S.C.A. 270 a and b), stop notices, equitable liens and labor and material bond rights which the CONTRACTOR may now or may afterward have, claim or assert for all and any work, labor, skill or materials furnished, delivered or performed for the construction, design, improvement, isalteration, addition or repair of the above described project, against the OWNER or its officers, agents, employees or assigns, against any fund of or in the possession or control of the OWNER, against the project or against all land and the buildings on and appurtenances to the land improved by the project. 3. The CONTRACTOR affirms that all work, labor and materials, furnished, delivered or performed to or for the construction, design, improvement, alteration, addition or repair of the project were furnished, delivered or performed by the CONTRACTOR or its agents, employees, and servants, or by and through the CONTRACTOR by various Subcontractors or materialmen or their agents, employees and servants and further affirms the same have been paid in full and have released in full any and all existing or possible future mechanic's liens or rights or claims against the project or any funds in the OWNER'S possession or control concerning the project or against the OWNER or its officers, agents, employees or assigns arising out of the project. 4. The CONTRACTOR agrees to defend and hold harmless the OWNER, the lender, if any, and the Surety on the project against and from any claim hereinafter made by the CONTRACTOR'S Subcontractors, materialmen, employees, servants, agents or assigns against the project or against the OWNER or its officers, employees, agents or assigns arising out of the project for all loss, damage and costs, including reasonable attorneys fees, incurred as a result of such claims. 5. The parties acknowledge that the description of the project set forth above constitutes an adequate description of the property and improvements to which this Lien Waiver Release pertains. It is further acknowledged that this Lien Waiver Release is for the benefit of and may • be relied upon by the OWNER, the lender, if any, and Surety on any labor and material bonds for the project. WTF — Cathodic Protection Phase 2 Lien Waiver Release (Contractor) October 2011 00650-1 • SECTION 00525 WORK ORDER, NOTICE OF AWARD AND BID SCHEDULE TO: Hydro Construction W. O. No. SCP-WTF-CP2-100411 PURCHASE ORDER: 11 /,03 1 TITLE: WTF Cathodic Protection Phase 2 ENGINEERS: Stantec Consulting Services, Inc OWNER'S REPRESENTATIVE: Sue Paquette NOTICE OF AWARD DATE: October 17, 2011 OWNER: CITY OF FORT COLLINS (hereinafter referred to as OWNER) 1. WORK. You are hereby notified that your bid dated September 28, 2011, for the above Work Order has been considered. Pursuant to your AGREEMENT with OWNER dated May 26, 2011, you • have been awarded a Work Order for this Work Order Description: A. See Section 01100 — Summary of Work. 2. CONTRACT PRICE, BONDS, AND CERTIFICATES. The price of your Work Order is Thirty -Nine Thousand Four Hundred Sixty -Four Dollars ($39 464 00) Pursuant to the AGREEMENT and the Contract Documents, Performance and Payment Bonds and insurance are required. 3. CONTRACT TIMES. Pursuant to the AGREEMENT and the Contract Documents, the date for Substantial Completion of this Work Order is December 31, 2011, and after Substantial Completion, the number of days for Final Payment and Acceptance is 60 Calendar days. 4. LIQUIDATED DAMAGES. OWNER and CONTRACTOR recognize that time is of the essence of this Agreement and that OWNER will suffer financial loss if the Work is not completed within the times specified in paragraph 3 above, plus any extensions thereof allowed in accordance with Article 12 of the General Conditions. They also recognize the delays, expenses and difficulties involved in proving in a legal proceeding the actual loss suffered by OWNER if the Work is not completed on time. Accordingly instead of requiring any such proof, OWNER and CONTRACTOR agree that as liquidated damages for delay (but not as penalty) CONTRACTOR shall pay OWNER the amounts set forth hereafter. 1) Substantial Completion: Five Hundred Dollars ($500.00) for each calendar day or fraction thereof that expires after December 31, 2011 until the work is Substantially Complete. • 2) Final Acceptance: After Substantial Completion Two Hundred Dollars ($200 00) for each calendar day or fraction thereof that expires after the 60 calendar day period for WTF- Cathodic Protection Phase 2 Work Order, Notice of Award and October 2011 00525-2 Bid Schedule • Signed this day of 20 CONTRACTOR By: Title: ATTEST: Secretary STATE OF COLORADO ) )ss. COUNTY OF LARIMER ) Subscribed and sworn to before me this By • Witness my hand and official seal. 0 My Commission Expires: Notary Public WTF — Cathodic Protection Phase 2 October 2011 day of 20 00650-2 Lien Waiver Release (Contractor) • SECTION 00651 LIEN WAIVER RELEASE (Subcontractor) TO: Hydro Construction. (CONTRACTOR) FROM: (Subcontractor) PROJECT: WTF - Cathodic Protection Phase 2 1. The Subcontractor acknowledges having received payment, except retainage, from the CONTRACTOR for all work, labor, skill and material furnished, delivered and performed by the Subcontractor for the CONTRACTOR or for anyone in the construction, design, improvement, alteration, addition or repair of the above described project. 2. In consideration of such payment and other good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, the Subcontractor voluntarily waives all rights, claims and liens, including but not limited to, mechanic's liens, MillerAct claims (40 U.S.C.A. 270 a and b), stop notices, equitable liens and labor and material bond rights which the Subcontractor may now or may afterward have, claim or assert for all and any work, labor, skill or materials furnished, delivered or performed for the construction, design, improvement, alteration, addition or repair of the above described project, against the CONTRACTOR or its officers, agents, employees or assigns, against • the project or against all land and the buildings on and appurtenances to the land improved by the project. is 3. The Subcontractor affirms that all work, labor and materials, furnished, delivered or performed to or for the construction, design, improvement, alteration, addition or repair of the project were furnished, delivered or performed by the Subcontractor or its' agents, employees, and servants, or by and through the Subcontractor by various sub -subcontractors or materialmen ortheiragents, employees and servants and further affirms the same have been paid in full and have released in full any and all existing or possible future mechanic's liens or rights or claims against the project or against the CONTRACTOR or its officers, agents, employees or assigns arising out of the project. 4. The Subcontractor agrees to defend and hold harmless the CONTRACTOR, the lender, if any, and the Surety on the project against and from any claim hereinafter made by the Subcontractor's sub - subcontractors, materialmen, employees, servants agents or assigns against the project or against the CONTRACTOR or OWNER, lender or Surety or their officers, employees, agents or assigns arising out of the project for all loss, damage and costs, including reasonable attorneys fees, incurred as a result of such claims. 5. The parties acknowledge that the description of the project set forth above constitutes an adequate description of the property and improvements to which this Lien Waiver Release pertains. It is further acknowledged that this Lien Waiver Release is for the benefit of and may be relied upon by the CONTRACTOR, OWNER, the lender, if any, and Surety on any laborand material bonds forthe project. WTF - Cathodic Protection Phase 2 Lien Waiver Release October 2011 00651-1 • Signed this day of 20 SUBCONTRACTOR: By: Title: ATTEST: Secretary • • STATE OF COLORADO ) )ss. COUNTY OF LARIMER ) Subscribed and sworn to before me this day of 20 By Witness my hand and official seal. My Commission Expires: Notary Public WTF — Cathodic Protection Phase 2 October 2011 00651-2 Lien Waiver Release • SECTION 00660 CONSENT OF SURETY TO: City of Fort Collins. Colorado (hereinafter referred to as the "OWNER") CONTRACTOR: Hydro Construction PROJECT: WTF — Cathodic Protection Phase 2 CONTRACT DATE: In accordance with the provisions of the Contract between the OWNER and the CONTRACTOR as indicated above, for bond of (Surety) _ hereby approves of the Final Payment to the CONTRACTOR, and agrees that Final Payment to the CONTRACTOR shall not relieve the Surety Company of any of its obligations to the OWNER, as set forth in the said Surety Company's Bond. • IN WITNESS WHEREOF, the Surety Company has hereunto set its hand this 20 . C] (Surety Company) 0 ATTACH: Power of Attorney and Certificate of Authority of Attorney(s)-in-Fact. day of WTF — Cathodic Protection Phase 2 Consent of Surety October2011 00660-1 un ui rz ltvse) COLORADO DEPARTMENT OF REVENUE DENVER CO 80267 CONTRACTOR APPLICATION 6 FOR • EXEMPTION CERTIFICATE Pursuant to Statute Sedion 39-26.114(1)(a)(XIX) uu rvVl WIfIIL IN IBIS SPADE The exemption certificate for which you are applying must be used only for the purpose of purchasing construction and building materials for the exempt project described below. This exemption does not include or apply to the purchase or rental of equipment, supplies, and materials which are purchased, rented, or consumed by the contractor and which do not become part of the structure, highway, road, street, or other public works owned and used by the exempt organization. Any unauthorized use of the exemption certificate will result in revocation of your exemption certificate and other penalties provided by law. A separate certificate is required for each contract. Subcontractors will not be issued Certificates of Exemption by the Department of Revenue. It is the responsibility of the prime contractor to issue certificates to each of the subcontractors. (See reverse side). FAILURE TO ACCURATELY COMPLETE ALL BOXES WILL CAUSE THE APPLICATION TO BE DENIED. RegistraWn/Account No. (to be assigned by DOR) Period 89 - 0170-750 (999) $0.00 0ONTRACTOR INFORMATION de name/DBA: Owner, partner, or corporate name: Mailing address (City, State, Zip): Contact Person E-Mail address: Federal Employer's Identification Number: Bid amount for your contract: Fax Number: ( ) Business telephone number: Colorado withholding tax account number: EXEMPTION INFORMATION Copies of contract or agreement pages (1) identifying the contracting parties and 2 containing signatures of contracting parties must be attached. Name of exempt organization (as shown on contract): Exempt organization's number: 98 - Address of exempt organization (City, State, Zip): Principal contact at exempt organization: Principal contact's telephone number: Physical location of project site (give actual address when applicable and Cities and/or County ties) where project is located) Scheduled Month Day Year construction start date: Estimated Month Day Year completion date: I declare under penalty of perjury in the second degree that the statements made in this application are true and complete to the best of my knowledge. Signature of owner, partner or corporate officer: Title of corporate officer: Date: DO NOT WRITE BELOW THIS LINE WTF — Cathodic Protection Phase 2 Contractor Application for Tax Exemption Certificate October 2011 00670 Special Notice i Contractors who have completed this application in the past, please note the following changes in procedure: The Department will no longer issue individual Certificates of exemption to subcontractors. Only prime contrac- tors will receive a Contractor's Exemption Certificate on exempt projects. Upon receipt of the Certificate, the prime contractor should make a copy for each subcontractor involved in the project and complete it by filling in the subcontractor's name and address and signing it. The original Certificate should always be retained by the prime contractor. Copies of all Certificates that the prime contractor issued to subcontractors should be kept at the prime contractor's place of business for a minimum of three years and be available for inspection in the event of an audit. Once an 89# has been assigned to you, please use the next five numbers following it for any applications submitted for future projects. This should be your permanent number. For instance, if you were assigned 89- 12345-0001, every application submitted thereafter should contain 89-12345 on the application. The succeed- ing numbers will be issued by the Department of Revenue. DO NOT enter what you believe to be the next in sequence as this may delay processing of your application. • • WTF — Cathodic Protection Phase 2 Contractor Application for Tax Exemption Certificate October 2011 00670 • SECTION 00800 SUPPLEMENTARY CONDITIONS Conditions of the Contract These Supplementary Conditions amend or supplement the General Conditions of the Construction Contract (EJCDC General Conditions 1910-8, 1990 edition with City of Fort Collins modifications (rev. 9/99)) and other provisions of the Contract Documents executed under the P951 Water, Wastewater, and Stormwater Utility Infrastructure Improvements Master Contract dated December 6, 2004. Unless included in this work order, all work performed under this work order shall be conducted in accordance with the technical specifications of Work Order No. SC-1 DEFINITIONS SC-1.38. Add the following language to the conclusion of paragraph 1.38 of the General Conditions: 1.38. Substantial Completion. ... Substantial Completion is further defined as that degree of completion of the operating facilities or systems of the Project defined in the Work Order sufficient to provide the OWNER the full time, uninterrupted, continuous, beneficial operation of the modifications, and all inspections required have been completed and identified deficiencies corrected. SC-1.43.A Add the following new paragraph immediately after paragraph 1.43 of the General Conditions: • 1.43.A.Work Order — A written document executed by OWNER and CONTRACTOR that provides for the construction of a portion of the Work, pursuant to the Agreement and all as required by the Contract Documents, and that becomes a Contract Document when executed. SC-2 PRELIMINARY MATTERS SC-2.8. Delete paragraph 2.8 of the General Conditions entirely and replace it with the following paragraph 2.8 Preconstruction Conference. Within ten days after the Contract Times fora Work Order start to run, but before any Work at the site is started, a conference attended by CONTRACTOR, ENGINEER and others as appropriate will be held to establish a working relationship among the parties as to the Work and to discuss the schedules referred to in paragraph 2.6, procedures for handling Shop Drawing and other submittals, processing Applications for Payment, and maintaining required records. SC-2.10, Add the following new paragraph immediately after paragraph 2.9 of the General Conditions 2.10 Work Order Required for All Work. References to the Agreement in this Article 2 and in the General and Supplementary Conditions and Contract Documents notwithstanding, no Work shall be initiated or performed until CONTRACTOR has received a signed and executed Work Order, incorporating the Notice to Proceed, from OWNER; and no provision of the Article 2 or of the General and Supplementary Conditions and Contract Documents shall permit or require any action of CONTRACTOR in the absence of a signed and executed Work Order. All provisions of this • Article 2 and of the General and Supplementary Conditions and Contract Documents referencing the Agreement or other parts of the Contract Documents, or permitting or requiring any action of CONTRACTOR, shall be read as referencing and, as appropriate, requiring a signed and executed WTF — Cathodic Protection October 2011 00800-1 Supplementary Conditions • Work Order. SC-4 AVAILABILITY OF LANDS; SUBSURFACE AND PHYSICAL CONDITIONS; REFERENCE POINTS SC-4.2.1.2. Add the following new paragraph immediately following paragraph 4.2.1.2 of the General Conditions: • 4.2.1.2.1 No drawing of physical conditions in or relating to existing surface or subsurface structures (except Underground Facilities referred to in Paragraph 4.3) which are at or contiguous to the site have been utilized by the Engineer in preparation of the Contract Documents, except the following: A. What is already known by the CONTRACTOR due to experience on the WTF site. Contractor may rely upon the accuracy of the technical data contained in the documents, but not upon non -technical data, interpretations or opinions contained therein or upon the completeness of any information in the report. SC-5 BONDS AND INSURANCE SC-5.4.7. Include the following parties or entities as additional Insureds, as provided in paragraph 5.4.7 of the General Conditions: 5.4.7.1.The City of Fort Collins, Colorado, 4316 LaPorte Avenue, Fort Collins, Colorado 80522 5.4.7.2.Stantec Consulting Services, 2950 E Harmony Rd, Ste 290, Fort Collins, CO 80528 5.4.7.2.Hydro Construction, 301 E. Lincoln Lane, Ft Collins, CO 80524 SC-5.4.8.1. Add the following new paragraph immediately following paragraph 5.4.8 of the General Conditions: 5.4.8.1.1. Limits of Liability. The limits of liability for the insurance required by the paragraph numbers of the General Conditions listed below are as follows: 5.4.1 and 5.4.2 Coverage A - Statutory Limits Coverage B - $100,000 / $100,000 / $500,000. 5.4.3 and 5.4.5 Commercial General Liability policy will have limits of $1,000,000 combined single limits (CSL). This policy will include coverage for Explosion, Collapse, and Underground coverage unless waived by the Owner. 5.4.6: The Comprehensive Automobile Liability Insurance policy will have limits of $1,000,000 combined single limits (CSL). 5.4.9. This policy will include completed operations coverage / product liability coverage with limits of $1,000,000 combined single limits (CSL). This policy shall also include an Umbrella Excess Liability as follows: General liability and automobile liability insurance in an amount not less than $1,000,000 per occurrence in excess of the above stated primary limits. SC-6 CONTRACTOR'S RESPONSIBILITIES WTF — Cathodic Protection October 2011 00800-2 Supplementary Conditions .SC-6.14.3. Add the following new paragraph immediately following paragraph 6.14.2 of the General Conditions: 6.14.3.1. The following Laws or Regulations are included in the Contract Documents as mandated by statute or for the convenience of the CONTRACTOR. Other Laws and Regulations apply which are not included herein, and are within the CONTRACTOR'S duty and responsibility for compliance thereto: 6.14.3.2. Notice to owners of Underground Facilities is required prior to excavations in the vicinity of such facilities. 6.14.3.2. Unless otherwise decided by reason of the amount of the Contract Price involved, or other good reason, before or at the time that the contract is awarded to a corporation outside the State of Colorado, such corporation must carry out the proper procedure to become authorized to do business in the State of Colorado, designate a place of business therein, and appoint an agent for service of process. Such corporation must furnish the OWNER with a certificate from the Secretary of State of Colorado, has been issued by its office and there shall also be procured from the Colorado Secretary of State a photostatic or certified copy of the designated place of business and appointment of agent for service of process, or a letter from the Colorado Secretary of State that such designation of place of business and agent for service of process have been made. 6.14.3.3 The CONTRACTOR must conform to the rules and regulations of the Industrial Commission of Colorado. Particular reference is made to rules and regulations governing isexcavation Work adopted by the Industrial Commission of Colorado. SC-11 CHANGE OF CONTRACT PRICE SC-11.6.2.7. Add the following new paragraph to paragraph 11.6.2 of the General Conditions. 11.6.2.7. Cost of the Work. Allowances for profit, overhead and mark-up prescribed by Article 4 of the Agreement shall be used in lieu of any CONTRACTOR'S fee, overhead, profit or mark-up allowances as prescribed in paragraphs 11.6.2.1, 11.6.2.2 and 11.6.2.3. SC-12 CHANGE OF CONTRACT TIMES SC-12.3. Add the following language to the end of paragraph 12.3 of the General Conditions. 12.3 ... Lost days due to abnormal weather conditions will be allocated as required. SC-14 PAYMENTS TO CONTRACTOR AND COMPLETION SC- 14.1. Add the following language to the end of paragraph 14.1 of the General Conditions. 14.1. Schedule of values ... Progress payments on the negotiated not -to -exceed fee shall be based on a time and materials basis. . END OF SECTION WTF — Cathodic Protection Supplementary Conditions October2011 00800-3 • C� SECTION 00900 ADDENDA, MODIFICATIONS, AND PAYMENT 00950 Contract Change Order Application for Payment WTF — Cathodic Protection Phase 2 Addenda, Modifications, & Payment October 2011 00900-1 Table of Contents • Final Payment and Acceptance until the Work is ready for Final Payment and Acceptance. 5. EXECUTION. Three (3) copies of this proposed Work Order & Notice of Award, and accompanying amendments or supplements to the Contract Documents (except any applicable Drawings) incorporated herein, are provided. Four (4) sets of any applicable Drawings will be delivered separately or otherwise made available to you immediately. You must comply with the following conditions precedent within fifteen (fifteen) days of the date of this Notice of Award, that is, by November 1, 2011. A. You must deliver to OWNER three (3) fully -executed counterparts of this Work Order, including all amendments or supplements to the Contract Documents incorporated herein. Each Work Order must bear your signature as provided. B. You must deliver with the executed Work Order the Contract Security (Bonds) and insurance, as specified in the Agreement. Failure to comply with these conditions within the time specified will entitle OWNER to consider your Bid abandoned and to annul this Work Order & Notice of Award. Within ten (10) days after you comply with those conditions, OWNER will return to you one (1) fully -signed counterpart of this Work Order with any amendments or supplements to the Contract Documents attached. CONTRACTOR'S NOTICE OF AWARD REPRESENTATION & EXECUTION: •CONTRACTOR agrees to perform the services identified above, in accordance with the terms and conditions contained herein and in the AGREEMENT dated May 26, 2011 and the NOTICE OF AWARD dated October 17, 2011, between the parties. In the event of a conflict between or ambiguity in the terms of the AGREEMENT or specific Work Orders, the AGREEMENT shall control. CONTRACTOR: Hydro Construction Date: _� L t� Name:AraTitle: OWNER'S ACCEPTANCE & EXECUTION: This Work Order and the attached Contract Documents are hereby accepted and incorporated herein by this reference and the attached Notice to Proceed is hereby given. I ACCEPTANCE: Date: Sue P uet pecial 13rot c Manager Reviewed By: Date: 42 f // Owen Randall, Chief Engineer Approved By: / Date: 1-0 Jon Hauas, Water ngineeri and Field Services / Operation's Manager • WTF- Cathodic Protection Phase 2 Work Order, Notice of Award and October 2011 00525-2 Bid Schedule C: PROJECT TITLE: CONTRACTOR: PROJECT NUMBER: DESCRIPTION: SECTION 00950 CHANGE ORDER NO. WTF — Cathodic Protection Phase 2 Hydro Construction Reason for change:. 2. Description of Change: 3. Change in Contract Cost: 4. Change in Contract Time: ORIGINAL CONTRACT COST TOTAL APPROVED CHANGE ORDERS TOTAL PENDING CHANGE ORDERS TOTAL THIS CHANGE ORDER TOTAL % OF THIS CHANGE ORDER TOTAL C.O.% OF ORIGINAL CONTRACT ADJUSTED CONTRACT COST (Assuming all change orders approved) ACCEPTED BY: Contractor's Representative ACCEPTED BY: Special Projects Manager REVIEWED BY: Senior Engineer APPROVED BY: Water Field Ops Manager $ 0.00 0.00 0.00 0.00 DATE: DATE: DATE: DATE: APPROVED BY: DATE: Purchasing Agent over $60,000 cc: Project File Contractor Purchasing WTF — Cathodic Protection Phase 2 October 2011 00950-1 Contract Change Order n • r: DIVISION 1 - GENERAL REQUIREMENTS SECTION 01110 SUMMARY OF WORK SECTION 01140 CONTRACTOR'S USE OF PREMISES SECTION 01180 UTILITY SOURCES SECTION 01270 MEASUREMENT AND PAYMENT SECTION 01310 SECTION 01320 SECTION 01330 SECTION 01425 SECTION 01450 SECTION 01635 SECTION 01650 SECTION 01710 SECTION 01715 SECTION 01720 SECTION 01745 SECTION 01780 PROJECT MEETINGS CONSTRUCTION SCHEDULES SUBMITTALS STANDARD REFERENCES MATERIALS TESTING SUBSTITUTIONS AND PRODUCT OPTIONS MATERIAL DELIVERY, STORAGE, AND HANDLING SITE CONDITIONS TREE, LANDSCAPE, VEGETATION, AND WETLAND PROTECTION FIELD ENGINEERING AND SURVEYING ENVIRONMENTAL CONTROLS CONTRACT CLOSE-OUT WTF — Cathodic Protection Phase 2 October 2011 Division 1 TOC - 1 Division 1 Table of Contents SECTION 01110 SUMMARY OF WORK PART1 GENERAL 1.01 SECTION INCLUDES A. Site location and description. B. Project description. C. Scope of work and work sequence. D. Underground utilities. 1.02 SITE LOCATION AND DESCRIPTION A. WTF — Cathodic Protection Phase 2 The site of the work is located at the City of Fort Collins Water Treatment Facility at the west end of Laporte Avenue in Fort Collins, Colorado. 1.03 PROJECT DESCRIPTION A. General Conditions - Provide: 1. Mobilization & Field Overhead 2. Traffic Control (By CoFC) B. Stormwater Management - Provide: 1. Erosion & Settlement Control Allowance 2. SWMP Inspections C. Landscaping — Provide and Install as per the bid schedule. D. Miscellaneous Work Items & Allowances — Provide and Install as per the bid schedule. 1.04 WORK SEQUENCE A. The Work Sequence is to be submitted as part of the construction schedule required in Section 01320 (Construction Schedules) and Section 01330 (Submittals). Construction of the project shall begin within seven (7) calendar days of the date of Notice to Proceed. 1.05 UNDERGROUND UTILITIES A. It shall be the responsibility of the CONTRACTOR to verify the existence and location of all underground utilities along the route of the work and to coordinate the construction schedules with these utility owners. See Section 01180 for a list of Utility Sources. WTF — Cathodic Protection Phase 2 Summary of Work October 2011 01110-1 • • B. Known utilities and structures adjacent to or encountered in the work are shown on the Drawings. The locations shown are taken from existing records and the best information available from existing utility plans, however, there may be some discrepancies and omissions in the locations and quantities of utilities and structures shown. Those shown are for the convenience of the CONTRACTOR only, and no responsibility is assumed by either the OWNER or the ENGINEER for their accuracy or completeness. C. The CONTRACTOR shall field verify all utilities and coordinate construction with utility owners prior to starting construction. The CONTRACTOR shall be responsible for protecting utilities during construction and scheduling utility adjustments to eliminate conflict with progress of the work. Any damage to existing utilities shall be repaired at no additional cost to the OWNER. D. The CONTRACTOR shall notify the ENGINEER immediately of any field condition not consistent with the contract documents. PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION (Not Applicable) END OF SECTION WTF — Cathodic Protection Phase 2 October 2011 01110-2 Summary of Work • SECTION 01140 CONTRACTOR'S USE OF PREMISES PART1 GENERAL 1.01 SECTION INCLUDES A. The CONTRACTOR may use the OWNER's property designated within the construction limits shown on the Drawings for equipment and materials as long as he confines his operations to those permitted by local laws, ordinance and permits and meets the following requirements: 1. Do not unreasonably encumber site with materials or equipment. 2. Assume full responsibility for protection and safekeeping of products stored on premised. 3. Move any stored products which interfere with operations of the OWNER. 4. Obtain and pay for use of additional storage or work areas needed for operations. 1.02 LIMITS OF CONSTRUCTION A. The CONTRACTOR must maintain all construction activities within the OWNER's Property and/or construction easements and limits of the project, or other stated areas, unless permits and/or written permission are obtained by the CONTRACTOR, from appropriate authorities or private property owners, outside of these areas. Contractor shall fence all easements and work areas. Fences shall be substantial in size and type to prevent injury to persons and animals and prevent domestic animals (i.e. horses, cattle, livestock, etc.) from entering in or across the construction site. The temporary permits must be secured and paid for by the CONTRACTOR at no extra cost to the OWNER. Any temporary permits secured must be in writing and a copy of same provided to the ENGINEER. 1.03 SECURITY A. The CONTRACTOR shall at all times be responsible for the security of his facilities and equipment. The OWNER will not take responsibility for missing or damaged equipment, tools, or personal belongings of the CONTRACTOR. PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION (Not Applicable) • END OF SECTION WTF — Cathodic Protection Phase 2 October 2011 01140-1 Contractor's Use of Premises • • SECTION 01180 UTILITY SOURCES PART1 GENERAL 1.01 SECTION INCLUDES A. Names and telephone numbers of affected agencies and utilities in the area are listed below for the CONTRACTOR's convenience. The CONTRACTOR assumes all responsibility of contacting these agencies and verification of telephone numbers. 1. Water Fort Collins Utilities (970) 221-6700 2. Sanitary Sewer Fort Collins Utilities (970) 221-6700 3. Stormwater Fort Collins Utilities (970) 221-6700 4. Electrical Fort Collins Utilities (970) 221-6700 6. Engineering City of Fort Collins (970) 221-6605 7. Traffic City of Fort Collins (970) 221-6615 8. Gas Xcel Energy (800) 895-2999 9. Telephone Qwest (800) 573-1311 10. Cable TV Comcast (800) 266-2278 11. One -Call Utility Locates (800) 922-1987 PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION (Not Applicable) END OF SECTION WTF — Cathodic Protection Phase 2 Utility Sources October 2011 01180-1 • • SECTION 01270 MEASUREMENT AND PAYMENT PART1 GENERAL 1.01 SECTION INCLUDES A. The work performed under this Agreement shall be paid for on a Time and Materials basis. The quantities provided on the Bid Schedule are only estimates of the actual quantities of the work to be performed, and are only included for purposes of making the award and establishing a basis for estimating the probable cost of the Work. The actual amounts of work performed and materials furnished may differ from the estimated quantities. The basis of payment for work and materials bid as time and materials will be the actual amount of approved work done and materials furnished. The CONTRACTOR agrees that he will make no claim for damages, anticipated profits, or otherwise on account of any difference between the amounts of work actually performed and materials actually furnished and the estimated amount for bid items. Payment shall be made only for those items included in the Bid Schedule. All costs incurred shall comply with the provisions of these Specifications and shall be included in the price bid for the associated items in the Bid Schedule. Except as may be otherwise stipulated, the OWNER will furnish no material, labor or equipment. The quantity of work, which will be considered for payment, is the actual cost of the work plus CONTRACTOR'S markups in accordance with all relative Specifications and Agreements. END OF SECTION W TF — Cathodic Protection Phase 2 October 2011 Measurement and Payment 01270 -1 • SECTION 01310 PROJECT MEETINGS PART1 GENERAL 1.01 SECTION INCLUDES A. Pre -Construction Conference: A Pre -Construction Conference will be held after Notice Of Award and before the Notice to Proceed, the date, time and location will be determined after Notice of Award. The conference shall be attended by 1. CONTRACTOR and CONTRACTOR's Superintendent 2. CONTRACTOR's Surveyor and Subcontractors 2. ENGINEER 3. OWNER 4. Others as requested by the CONTRACTOR, OWNER, or ENGINEER Unless previously submitted to the OWNER, the CONTRACTOR shall bring to the conference a tentative schedule of the construction project, include in the schedule shop drawings and other submittals. The purpose of the conference is to designate responsible personnel and establish a • working relationship. Matters requiring coordination will be discussed and procedures for handling such matters established. The agenda will include: 1. CONTRACTOR's tentative Schedule 2. Permit applications and submittals, including 402 Permit, SWMP, and Traffic Control Plan 3. Transmittal, review and distribution of CONTRACTOR's submittals 4. Processing applications for payment 5. Maintaining record documents 6. Critical work sequencing 7. Field decision and change orders 8. Use of premises, office and storage areas, staging area, security, housekeeping, and OWNER's needs 9. CONTRACTOR's assignment of safety and first aid B. Construction Progress Meetings: Progress meetings will be conducted weekly or at some other frequency, if approved by the OWNER, ENGINEER and CONTRACTOR. These meetings shall be attended by the OWNER, the ENGINEER, the CONTRACTOR's representative and any others invited by these people. The meeting will be conducted by the ENGINEER and the ENGINEER will arrange for keeping the minutes and distributing the minutes to all persons in attendance. The agenda of these project meetings will include construction progress, the status of • submittal reviews, status of information requests, critical work sequencing, review of WTF - Cathodic Protection Project Meetings October 2011 01310-1 • strategies for connections into existing facilities, status of field orders and change orders, and any general business. • PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION (Not Applicable) END OF SECTION WTF — Cathodic Protection s Project Meetings October 2011 01310-2 9 • SECTION 01320 CONSTRUCTION SCHEDULES 1.01 SECTION INCLUDES A. Prepare detailed schedule of all construction operations and procurements to be reviewed by parties attending the preconstruction conference. Schedule shall be approved by the OWNER and ENGINEER prior to Notice to Proceed. 1.02 FORMAT AND SUBMISSIONS A. Prepare construction and procurement schedules in a graphic format suitable for displaying scheduled and actual progress. B. Submit four (4) copies of each schedule to the OWNER and ENGINEER for review. The ENGINEER will return one copy to the CONTRACTOR with revisions suggested or necessary for coordination of the Work with the needs of the OWNER or others. 1.03 CONTENT A. Construction Progress Schedule 1. Show the complete work sequence of construction by activity and location. 2. Show the dates for the beginning and completion of major task items. At a minimum, show the following items for Choice Center Utilities Sewer Construction Activities: • Landscaping • Miscellaneous Work Items & Allowances Show projected percentage of completion for each item as of the first day of the month. B. Report of delivery of equipment and materials. Show delivery status of critical and major items of equipment and materials. 2. Include a schedule which includes the critical path for Shop Drawings, tests, and other submittal requirements for equipment and materials. 1.04 PROGRESS REVISIONS A. Submit revised schedules and reports 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. W TF — Cathodic Protection Phase 2 October 2011 01320-1 Construction Schedules • OWNER: CITY OF FORT COLLINS BY: Date: James B. O'Neill II, CPPO, FNIGP Director of Purchasing and Risk Management • • WTF- Cathodic Protection Phase 2 Work Order, Notice of Award and October 2011 00525-2 Bid Schedule • 2. Revised projections of progress and completion. 1.05 OWNER'S RESPONSIBILITY A. OWNER's review is only for the purpose of checking conformity with the Contract Documents and assisting 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. PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION (Not Applicable) • •WTF — Cathodic Protection Phase 2 October 2011 END OF SECTION 01320-2 Construction Schedules r L_J SECTION 01330 SUBMITTALS PART1 GENERAL 1.01 SECTION INCLUDES A. Requirements: Where required by the Specifications, the CONTRACTOR shall submit descriptive information that will enable the ENGINEER to determine whether the CONTRACTOR's proposed materials, equipment, methods of work are in general conformance to the design concept and in accordance with the Drawings and Specifications. The information submitted may consist of drawings, specifications, descriptive data, certificates, samples, test results, product data, and such other information, all as specifically required in the Specifications. In some instances, specified submittal information describes some, but not all features of the material, equipment, or method of work. 2. The CONTRACTOR shall be responsible for the accuracy and completeness of the information contained in each submittal and shall assure that the material, equipment, or method of work shall be as described in the submittal. The CONTRACTOR shall verify that all features of all products conform to the requirements of the Drawings and Specifications. The CONTRACTOR shall ensure that there is no conflict with other submittals and notify the ENGINEER in • each case where its submittal may affect the work of another CONTRACTOR or the OWNER. The CONTRACTOR shall ensure coordination of submittals among the related crafts and subcontractors. 3. Submittals will be reviewed for overall design intent and returned to CONTRACTOR with action to be indicated by the ENGINEER. It shall be the CONTRACTOR's responsibility to assure that previously accepted documents are destroyed when they are superseded by a resubmittal as such. 4. It shall be the CONTRACTOR's responsibility to ensure that required items are corrected and resubmitted. Any work done before approval shall be at the CONTRACTOR's own risk. B. Submittal Procedure: Unless a different number is called for in the individual sections, six (6) copies of each submittal and sample are required, four (4) of which will be retained by the ENGINEER. The CONTRACTOR shall receive two (2) copies in return. Faxed submittals will not be accepted. As an alternate, submittals may be posted on a "share site" such as Sharepoint, for review by the ENGINEER or OWNER. All other requirements of this section shall apply. 2. Submittals that are related to or affect each other shall be forwarded • simultaneously as a package to facilitate coordinated review. Uncoordinated submittals will be rejected. WTF — Cathodic Protection Phase 2 October 2011 01330-1 Submittals • 3. If the items or system proposed are acceptable but the major part of the individual drawings or documents are incomplete or require revision, the submittal will be returned with requirements for completion. 4. The right is reserved for the ENGINEER to require submittals in addition to those called for in individual sections. 5. Submittals regarding material and equipment shall be submitted directly to the ENGINEER and will be accompanied by a transmittal form. A separate form shall be used for each specific item, class of material, equipment, and items specified in separate discrete sections for which the submittal is required. Submittals for various items shall be made with a single form when the items taken together constitute a manufacturer's package or are so functionally related that expediency indicates checking or review of the group or package as a whole. 6. A unique number, sequentially assigned, shall be noted on the transmittal form accompanying each item submitted. Original submittal numbers shall have the following format: "XXX-Y;" where "XXX" is the originally assigned submittal number and "Y" is a sequential letter assigned for resubmittals (i.e., A, B, or C being the first, second and third resubmittals, respectively). Submittal 2513, for example, is the second resubmittal of Submittal 25. 7. If the CONTRACTOR proposes to provide material, equipment, or method of work that deviates from the Contract Documents, it shall indicate so under • "deviations" on the transmittal form accompanying the submittal copies. 8. Submittals that do not have all the information required to be submitted, including deviations, are not acceptable and will be returned without review. C. Review Procedure: 1. Submittals are specified for those features and characteristics of materials, equipment, and methods of operation that can be selected based on the CONTRACTOR's judgment of their conformance to the requirements of the Drawing and Specifications. Other features and characteristics are specified in a matter that enables the CONTRACTOR to determine acceptable options without submittals. The review procedure is based on the CONTRACTOR's guarantee that all features and characteristics not requiring submittals conform to the Drawings and Specifications. Review shall not extend to means, methods, techniques, sequences, or procedures of construction or to verifying quantities, dimensions, weights or gages, or fabrication processes (except where specifically indicated or required by the Specifications) of separate items, and as such, will not indicate approval of the assembly in which the item functions. 2. Unless otherwise specified, within twenty-one (21) calendar days after receipt of the submittal, the ENGINEER will review the submittal and return copies. The returned submittal will indicate one of the following actions: • a. If the review indicates that the material, equipment, or work method complies with the Specifications, submittal copies will be marked "NO WTF — Cathodic Protection Phase 2 Submittals October 2011 01330-2 • EXCEPTIONS TAKEN". In this event, the CONTRACTOR may begin to implement the work method or incorporate the material or equipment covered by the submittal. b. If the review indicates limited corrections are required, copies will be marked "FURNISH AS NOTED". The CONTRACTOR may begin implementing the work method or incorporating the material and equipment covered by the submittal in accordance with the noted corrections. Where submittal information will be incorporated in Operation and Maintenance data, a corrected copy shall be provided. C. If the review indicates that the submittal is insufficient or contains incorrect data, copies will be marked "REVISE AND RESUBMIT". Except at its own risk, the CONTRACTOR shall not undertake work covered by this submittal until it has been revised, resubmitted and returned marked either "NO EXCEPTIONS TAKEN" or "FURNISH AS NOTED". d. If the review indicates that the material, equipment, or work method do not comply with the Specifications, copies of the submittal will be marked "REJECTED". Submittals with deviations that have not been identified clearly may be rejected. Except at its own risk, the CONTRACTOR shall not undertake the work covered by such submittals until a new submittal is made and returned marked either "NO EXCEPTIONS TAKEN" or "FURNISH AS NOTED". • D. Drawing: 1. The term "shop drawings" includes drawings, diagrams, layouts, schematic, descriptive literature, illustrations schedules performance and test data, and similar materials furnished by CONTRACTOR to explain in detail specific portions of the work required by the Contract 2. CONTRACTOR shall coordinate all such drawings, and review them for legibility, accuracy, completeness and compliance with contract requirements and shall indicate this approval thereon as evidence of such coordination and review. Shop drawing submitted to the ENGINEER without evidence of CONTRACTOR's approval will be returned for resubmission. 3. Shop drawing shall be clearly identified with the name and project number of this contract, and references to applicable specification paragraphs and contract drawings. When catalog pages are submitted, applicable items shall be clearly identified. CONTRACTOR shall stamp his approval on shop drawings prior to submission to the ENGINEER as indication of his checking and verification of dimensions and coordination with interrelated items. Stamp shall read: "(CONTRACTOR's Name) represents that we have determined and verified all field dimensions and measurements, field construction criteria, materials, catalog numbers and similar data, and that we have checked WTF — Cathodic Protection Phase 2 October 2011 01330-3 Submittals • with the requirements of the Specifications and Drawings, the Contract Documents, and General Conditions". Marks on drawings by CONTRACTOR shall not be in red. Any marks by CONTRACTOR shall be duplicated on all copies submitted. 5. If shop drawings show variations from contract requirements, CONTRACTOR shall describe such variations in writing, separate from the drawings, at time of submission. All such variations must be approved by the ENGINEER. If ENGINEER approves any such variations, he shall issue an appropriate contract modification, except that, if the variation is minor and does not involve a change in price or in time of performance, a modification need not be issued. 6. Should the CONTRACTOR propose any item on his shop drawings or incorporate an item into the work, and that item should subsequently prove to be defective or otherwise unsatisfactory, (regardless of the ENGINEER's preliminary review), the CONTRACTOR shall, at his own expense, replace the item with another item that will perform satisfactorily. E. Certificates: For those items called for in individual sections, furnish six (6) certificates of compliance from manufacturers or suppliers certifying that materials or equipment being furnished under the Contract comply with the requirements of these Specifications. • F. Samples: Samples shall be sufficient in size to clearly illustrate functional characteristics and full range of color, texture, and pattern. G. Effect of Review of CONTRACTOR's Submittals: Review of drawings, data, methods of work, or information regarding materials or equipment the CONTRACTOR proposes to provide, shall not relieve the contractor of its responsibility for errors therein and shall not be regarded as an assumption of risks or liability by the ENGINEER or the OWNER, or by any officer or employee thereof, and the CONTRACTOR shall have no claim under the Contract on account of the failure or partial failure, of the method of work, material, or equipment so reviewed. A mark of "NO EXCEPTIONS TAKEN" or "FURNISH AS NOTED" shall mean that the OWNER has no objection to the CONTRACTOR, upon its own responsibility, using the plan or method of work proposed, or providing the materials or equipment proposed. PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION (Not Applicable) • END OF SECTION WTF — Cathodic Protection Phase 2 Submittals October 2011 01330-4 SECTION 01425 STANDARD REFERENCES PART GENERAL 1.1 SECTION INCLUDES A. Reference to standards, specifications, manuals, or codes of any technical society, organization, or association, or to the laws or regulations of any governmental authority, whether such reference be specific or by implication, shall mean the latest standard specification, manual, code, or laws or regulations in effect at the time of opening of Bids, except as may be otherwise specifically stated. However, no provision of any referenced standard, specifications manual or code (whether or not specially incorporated by reference in the Contact Documents) shall be effective to change the duties and responsibilities of OWNER, CONTRACTOR, or ENGINEER, or any of their consultants, agents or employees from those set forth in the Contract Documents, nor shall it be effective to assign to ENGINEER, or any of ENGINEER's Consultants, agents, or employees, any duty or authority to supervise or direct the furnishing or performance of the Work. Whenever used in the Contract Documents, the following abbreviations will have the meanings listed: AASHTO American Association of State Highway and Transportation Officials • 444 North Capital Street, N.W., Suite 225 Washington, DC 20001 ACI American Concrete Institute P. O. Box 19150 Detroit, MI ACPA American Concrete Pipe Association AISC American Iron and Steel Institute 150 East 42nd Street New York, NY 10017 AISI American Iron and Steel Institute 150 East 42nd Street New York, NY 10017 ANSI American National Standards Institute, Inc. 1430 Broadway New York, NY 10017 AREMA American Railway Engineering and Maintenance -of -Way Association 8201 Corporate Drive, Suite 1125 • Landover, MD 20785 WTF - Cathodic Protection Phase 2 Standard References October 2011 01425-1 • ASCE American Society of Civil Engineers 345 East 47th Street New York, NY 10017 ASTM American Society of Testing and Materials 1916 Race Street Philadelphia, PA 19103 ATSSA American Traffic Safety Services Association BOCA Building Officials and Code Administrators 17926 Halstead Homewood, IL 60430 CCA Colorado Contractors Association CISPI Cast Iron Soil Pipe Institute CRSI Concrete Reinforcing Steel Institute 180 North LaSalle Street Chicago, IL 60601 CSI Construction Specifications Institute DIPRA • EPA Ductile Iron Pipe Research Associations Environmental Protection Agency FEDSPEC Federal Specifications General Services Administration Specification and Consumer Information Distribution Branch Washington Navy Yard, Building 197 Washington, DC 20407 FEDSTDS Federal Standards (see FEDSPEC) ICBO International Conference of Building Officials 5360 South Workman Mill Road Whittier, CA 90601 MILSPEC Military Specifications Naval Publications and Forms Center 5801 Tabor Avenue Philadelphia, PA 19120 NIST National Institute of Standards and Technology NPC National Plumbing Code NSC WTF National Safety Council — Cathodic Protection Phase 2 October 2011 01425-2 Standard References • OSHA Occupational Safety and Health Act U.S. Department of Labor Occupational and Health Administration San Francisco Regional Office 450 Golden Gate Avenue, Box 30617 PCA Portland Cement Association PCI Prestressed Concrete Institute PS Products Standards Section - U.S. Depart. of Commerce SSPC Steel Structures Painting Council SSPWC Standard Specifications for Public Works Construction Building News, Inc. 3055 Overhead Avenue Los Angeles, CA 90034 TCA Title Council of America UBC Uniform Building Code Published by ICBO • UL Underwriter's Laboratory 207 East Ohio Street Chicago, IL 60611 UMC Uniform Mechanical Code Published by ICBO UPC Uniform Plumbing Code Published by IAPMO PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION (Not Applicable) •WTF - Cathodic Protection Phase 2 October 2011 END OF SECTION 01425-3 Standard References • SECTION 01450 MATERIALS TESTING PART1 GENERAL 1.01 SECTION INCLUDES A. Provide such equipment and facilities as are required 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 found to be acceptable. Any product which becomes unfit for use after approval thereof shall not be incorporated into the work. B. 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), and the American Association of Highway and Transportation Officials (AASHTO). C. Where additional or specific 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. • 1.02 OWNER'S RESPONSIBILITIES A. The OWNER shall be responsible for and shall pay all costs in connection with the following testing: Soils compaction tests 2. Trench backfill 3. Pipe and structural bedding 4. Tests not called for by the Specifications of materials delivered to the site 5. Concrete tests 6. Pavement tests 1.03 CONTRACTOR'S RESPONSIBILITIES A. In addition to those inspections and tests called for in the General Conditions, CONTRACTOR shall also be responsible for and shall pay all costs in connection with istesting required for the following: WTF — Cathodic Protection Phase 2 Materials Testing October 2011 01450-1 • • • 1. Concrete materials and mix designs. 2. Design of asphalt mixtures. 3. Gradation tests for embankment, fill and backfill materials. 4. All performance and field testing specifically called for by the Specifications. 5. All retesting for work or materials found defective or unsatisfactory, including tests covered under 1.02 above. 6. Water quality testing required by discharge permits. 1.04 TRANSMITTAL OF TEST REPORTS Written reports of tests and engineering data furnished by CONTRACTOR for ENGINEER's review of materials and equipment proposed to be used in the work shall be submitted as specified for Shop Drawings. The testing laboratory retained by the OWNER will furnish six (6) copies of a written report of each test performed by laboratory personnel in the field or laboratory. Three (3) copies of each test report will be transmitted to the ENGINEER, one (1) copy to the CONTRACTOR, and two (2) copies to the OWNER within seven (7) days after each test is completed. Results of tests performed on site will be relayed to the ENGINEER and CONTRACTOR before the testing firm's personnel leave the work site. PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION (Not Applicable) END OF SECTION WTF — Cathodic Protection Phase 2 Materials Testing October 2011 01450-2 • Cathodic Protection Project August 30, 2011 1) Excavate for insulator at connection between steel and concrete pipe on "Dieter Lane" north of W Vine Dr. 2) Test station work, a) Remove test box and bury wires for test stations W10303, W10350, W10392, W10393 and W10457; b) Fix broken lead on W10412. c) add test station at end of 36" coming out of T6 at manhole and determine type of pipe (#41 on latest list); d) place leads (not the red one) from W10457 into W10456 (#38 on latest list); e) place anodes on north side of Interconnect Building on 24" going west (#17 on latest list); Hold for rectifiers f) open manhole just east of W10408 on 42" clearwell effluent to determine if there is an insulator and the type of pipe - if there is an insulator, put leads on both sides, if no insulator put leads on one side (#37 on latest list); g) install new test station on 60" coming out of W Reservoir as close to west side as possible (somewhat in the slope of the W Reservoir) (#8 on latest list); h) place test stations on both 24" (#35 on latest list) to west of W10081 near the south fence maybe on the north side of Babytooth - check air vac manhole for • insulators and place leads on both sides of insulator if there is one, otherwise just one test station if no insulator and check for pipe type (#36 on latest list); i) put one 17 lb. anode on W10395 just west of upper admin parking area near light pole (#42 on latest list); and j) repair broken lead on test station W26237. • • SECTION 01635 SUBSTITUTIONS AND PRODUCT OPTIONS PART1 GENERAL 1.01 SECTION INCLUDES A. Description: This section describes the procedure required by the CONTRACTOR for product substitutions. 2. Requests for Substitution: a. Base all bids on materials, equipment and procedures specified. Certain types of equipment and kinds of material are described in specifications by means of trade names and catalog numbers, and/or manufacturer's names. Where this occurs, it is not intended to exclude from consideration such types of equipment and kinds of material bearing other trade names, catalog numbers and/or manufacturer's names, capable of accomplishing purpose of types of equipment or kinds of material specifically indicated. C. Other types of equipment and kinds of material may be acceptable to the OWNER and ENGINEER. d. Types of equipment, kinds of material and methods of construction, if not specifically indicated must be approved in writing by ENGINEER and the OWNER. Submission of Requests for Substitution: a. After Notice to Proceed, the OWNER/ENGINEER will consider written requests for substitutions of products, materials, systems or other items. b. The ENGINEER reserves the right to require substitute items to comply color and pattern -wise with base specified items, if necessary to secure "design intent". C. Submit six (6) copies of request for substitution. Include in request: 1) Complete data substantiating compliance of proposed substitute with Contract Documents. 2) For products: 11 WTF — Cathodic Protection Phase 2 October 2011 Product identification, including manufacturer's name. 01635-1 Substitutions and Product Options • ii. Manufacturer's literature, marked to indicate specific model, type, size, and options to be considered: Product description; performance and test data; reference standards; difference in power demand; dimensional differences for specified unit. iii. Name and address of similar projects on which product was used, date of installation, and field performance data. 3) For construction methods: i. Detailed description of proposed method. ii. Drawings illustrating methods. 4) Itemized comparison of proposed substitution with product or method specified. 5) Data relating to changes in construction schedule. 6) Relation to separate contracts. 7) Accurate cost data on proposed substitution in comparison with product or method specified. • d. In making request for substitution, or in using an approved substitute item, Supplier/Manufacturer represents: 1) He has personally investigated proposed product or method, and has determined that it is equal or superior in all respects to that specified and that it will perform function for which it is intended. 2) He will provide same guarantee for substitute item as for product or method specified. 3) He will coordinate installation of accepted substitution into work, to include building modifications if necessary, making such changes as may be required for work to be complete in all aspects. 4) He waives all claims for additional costs related to substitution which subsequently become apparent. 4. Substitutions: a. Request sufficiently in advance to avoid delay in construction. 5. CONTRACTOR's Option: a. For products specified only by reference standards, select any product • meeting standards by any manufacturer, indicate selected type in submission. WTF — Cathodic Protection Phase 2 October 2011 01635-2 Substitutions and Product Options • • • b. For products specified by naming several products or manufacturers, select any product and manufacturer named, indicate selected type in submission. C. For products specified by naming one or more products, but indicating option of selecting equivalent products by stating "or equivalent' after specified product, CONTRACTOR must submit request, as required for substitution, for any product not specifically named. 6. Rejection of Substitution or Optional Item: a. Substitutions and/or options will not be considered if: 1) They are indicated or implied on shop drawings, or project data submittals, without formal request submitted in accordance with this section. PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION (Not Applicable) WTF — Cathodic Protection Phase 2 October 2011 END OF SECTION 01635-3 Substitutions and Product Options • U • SECTION 01650 MATERIAL DELIVERY, STORAGE AND HANDLING PART1 GENERAL 1.01 SECTION INCLUDES A. Equipment, products and materials shall be shipped, handled, stored, and installed in ways which will prevent damage to the items. Damaged items will not be permitted as part of the work except in cases of minor damage that have been satisfactorily repaired and are acceptable to the ENGINEER. B. Pipe: Pipe and appurtenances shall be handled, stored, and installed as recommended by the manufacturer. Pipes with paint, tape coatings, linings or the like shall be stored to protect the coating or lining from physical damage or other deterioration. Pipe shipped with interior bracing shall have the bracing removed only when recommended by the pipe manufacturer. PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION (Not Applicable) WTF - Cathodic Protection Phase 2 October 2011 END OF SECTION 01650-1 Material Delivery, Storage, and Handling • SECTION 01710 SITE CONDITIONS PART1 GENERAL 1.01 SECTION INCLUDES A. General: The CONTRACTOR acknowledges that he has satisfied himself as to the nature and location of the work, the general and local conditions, particularly those bearing upon access to the site; handling, storage, and disposal of materials; availability of water, electricity and roads; uncertainties of weather, river stages, water flow rates and levels in irrigation ditches and canals or similar physical conditions at the site; the conformation and conditions of the ground; the equipment and facilities needed preliminary to and during the execution of the work; and all other matters which can in any way affect the work or the cost thereof under this Contract. The CONTRACTOR further acknowledges that he has satisfied himself as to the character, quality and quantity of surface and subsurface materials to be encountered from his inspection of the site and from reviewing any available records of exploratory work furnished by the OWNER or included in these Documents. Failure by the CONTRACTOR to acquaint himself with the physical conditions of the site and all the available information will not relieve him from responsibility for properly estimating the difficulty or cost of successfully performing the work. • 3. The CONTRACTOR warrants that as a result of his examination and investigation of all the aforesaid data that he can perform the work in a good and workmanlike manner and to the satisfaction of the OWNER. The OWNER assumes no responsibility for any representations made by any of its officers or agents during or prior to the execution of this Contract, unless (1) such representations are expressly stated in the Contract, and (2) the Contract expressly provides that the responsibility therefore is assumed by the OWNER. PART PRODUCTS 2.01 INFORMATION ON SITE CONDITIONS A. Any information obtained by the ENGINEER regarding site conditions, subsurface information, groundwater elevations, existing construction of site facilities, and similar data will be available for inspection, as applicable, at the office of the ENGINEER upon request. Such information is offered as supplementary information only. Neither the ENGINEER nor the OWNER assumes any responsibility for the completeness or interpretation of such supplementary information. Differing Subsurface Conditions: a. In the event that the subsurface or latent physical conditions are found • materially different from those indicated in these Documents, and differing materially from those ordinarily encountered and generally recognized as W TF — Cathodic Protection Phase 2 Site Conditions October 2011 01710-1 inherent in the character of work covered in these Contract Documents, the CONTRACTOR shall promptly, and before such conditions are disturbed, notify the ENGINEER in writing of such changed conditions. b. The ENGINEER will investigate such conditions promptly and following this investigation, the CONTRACTOR shall proceed with the work, unless otherwise instructed by the ENGINEER. If the ENGINEER finds that such conditions do so materially differ and cause an increase or decrease in the cost of or in the time required for performing the work, the ENGINEER will recommend to the OWNER the amount of adjustment in cost and time he considers reasonable. The OWNER will make the final decision on all Change Orders to the Contract regarding any adjustment in cost or time for completion. 2. Underground Utilities: a. Known utilities and structures adjacent to or encountered in the work are shown on the Drawings. The locations shown are taken from existing records and the best information available from existing utility plans, however, it is expected that there may be some discrepancies and omissions in the locations and quantities of utilities and structures shown. Those shown are for the convenience of the CONTRACTOR only, and no responsibility is assumed by either the OWNER or the ENGINEER for their accuracy or completeness. PART 3 EXECUTION 3.01 GENERAL A. Where the CONTRACTOR's operations could cause damage or inconvenience to railway, telegraph, telephone, television, oil, gas, electricity, water, sewer, or irrigation systems, the operations shall be suspended until all arrangements necessary for the protection of these utilities and services have been made by the CONTRACTOR. B. Notify all utility offices which are affected by the construction operation at least 48 hours in advance. Under no circumstances expose any utility without first obtaining permission from the appropriate agency. Once permission has been granted, locate, expose, and provide temporary support for all existing underground utilities. C. The CONTRACTOR shall protect all utility poles from damage. If interfering power poles, telephone poles, guy wires, or anchors are encountered, notify the ENGINEER and the appropriate utility company at least 48 hours in advance of construction operations to permit the necessary arrangements for protection or relocation of the interfering structure. D. The CONTRACTOR shall be solely and directly responsible to the owner and operators of such properties for any damage, injury, expense, loss, inconvenience, delay, suits, actions, or claims of any character brought because of any injuries or damage which may result from the construction operations under this Contract. E. Neither the OWNER nor its officers or agents shall be responsible to the CONTRACTOR for damages as a result of the CONTRACTOR's failure to protect utilities encountered in the WTF - Cathodic Protection Phase 2 Site Conditions October 2011 01710-2 • work. F. If the CONTRACTOR while performing the Contract discovers utility facilities not identified in the Drawings or Specifications, he shall immediately notify the OWNER, utility, and the ENGINEER in writing. G. In the event of interruption to domestic water, sewer, storm drain, or other utility services as a result of accidental breakage due to construction operations, promptly notify the proper authority. Cooperate with said authority in the restoration of service as promptly as possible and bear all costs of repair. H. The CONTRACTOR shall replace, at his own expense, any and all other existing utilities or structures removed or damaged during construction, unless otherwise provided for in these Contract Documents or ordered by the ENGINEER. 3.02 INTERFERING STRUCTURES A. The CONTRACTOR shall take necessary precautions to prevent damage to existing structures whether on the surface, aboveground, or underground. An attempt has been made to show major structures on the Drawings. The completeness and accuracy cannot be guaranteed, and it is presented simply as a guide to avoid known possible difficulties. 3.03 FIELD RELOCATION A. During the progress of construction, it is expected that minor relocations of the work will be • necessary. Such relocations shall be made only by direction of the ENGINEER. If existing structures are encountered that prevent the construction, and that are not properly shown on the Drawings, notify the ENGINEER before continuing with the construction in orderthat the ENGINEER may make such field revision as necessary to avoid conflict with the existing structures. If the CONTRACTOR shall fail to so notify the ENGINEER when an existing structure is encountered, and shall proceed with the construction despite the interference, he shall do so at his own risk. 3.04 EASEMENTS A. Where portions of the work are located on public or private property, easements and permits will be obtained by the OWNER. Easements will provide for the use of the property for construction purposes to the extent indicated on the easements. Copies of these easements and permits are available upon request to the OWNER. It shall be the CONTRACTOR's responsibility to determine the adequacy of the easement obtained in every case and to abide by all requirements and provisions of the easement. The CONTRACTOR shall confine his construction operations to within the easement limits or make special arrangements with the property owners or appropriate public agency for the additional area required. Any damage to property, either inside or outside the limits of the easements provided by the OWNER, shall be the responsibility of the CONTRACTOR as specified herein. The CONTRACTOR shall remove, protect, and replace all fences or other items encountered on public or private property. Before final payment will be authorized by the ENGINEER, the CONTRACTOR will be required to furnish the OWNER with written releases from property owners or public agencies where side agreements or special • easements have been made by the CONTRACTOR or where the CONTRACTOR's operations, for any reason, have not been kept within the construction right-of-way obtained WTF — Cathodic Protection Phase 2 Site Conditions October 2011 01710-3 • by the OWNER. B. It is anticipated that the required easements and permits will be obtained before construction is started. However, should the procurement of any easement or permit be delayed, the CONTRACTOR shall schedule and perform the work around these areas until such a time as the easement or permit has been secured. 3.05 LAND MONUMENTS A. The CONTRACTOR shall notify the ENGINEER of any existing Federal, State, City, County, and private land monuments encountered. Private monuments shall be preserved, or replaced by a licensed surveyor at the CONTRACTOR's expense. When Government monuments are encountered, the CONTRACTOR shall notify the ENGINEER at least two (2) weeks in advance of the proposed construction in order that the ENGINEER will have ample opportunity to notify the proper authority and reference these monuments for later replacement. END OF SECTION • • WTF - Cathodic Protection Phase 2 Site Conditions October 2011 01710-4 • SECTION 01715 TREE, LANDSCAPE, VEGETATION, AND WETLAND PROTECTION PART1 GENERAL 1.01 SECTION INCLUDES A. The work for this section consists of protecting existing trees, landscape, wetlands and adjacent vegetation. The CONTRACTOR must take special care to avoid damaging existing trees and vegetation in areas that do not need to be disturbed to complete construction. PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION 3.01 SUBMITTAL REQUIREMENTS A. The CONTRACTOR shall submit a plan for on -site haul of materials prior to construction. The plans shall include points of access to and from the site and shall show a workable system of on -site haul routes that protect existing landscaped and wetland areas. This plan shall be submitted to the ENGINEER for his review and comment prior to the commencement of any work. The plan will be discussed with the CONTRACTOR to insure protection of existing vegetation, but the ENGINEER shall not dictate haul routes or construction methods to the CONTRACTOR. • 3.02 CONSTRUCTION REQUIREMENTS A. Protected areas will be marked in the field, one time, by the OWNER and ENGINEER. No access of construction vehicles or workers on foot is permitted through protected areas. No material shall be stockpiled; no equipment shall be parked or repaired within these areas. B. Trees and vegetation to be saved that do not fall within the limits of protected areas shall be marked one time in the field by the OWNER and ENGINEER. The CONTRACTOR shall erect fencing if there is risk of damage caused by construction operations. Vehicular and pedestrian traffic shall be limited to performing work in areas marked. Through traffic, and stock piling of equipment and materials are not permitted within marked areas. C. No construction roads are to be created within the drop lines of any trees or other vegetation designated to be saved without approval of the ENGINEER. D. 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 (florescent orange in color) must be fixed in place around each tree for the duration of construction. This barrier will be placed no closer than 6 feet from the trunk, or 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 snow fence attached to T-posts driven into the ground, and must act as an effective deterrent to deliberate or accidental damage of each tree. Actual materials and location of barrier must be approved by the OWNER's representatives (i.e. • Utilities and City Forrester) and ENGINEER. WTF- Cathodic Protection Phase 2 Tree, Landscape, Vegetation, and Wetland Protection October 2011 01715-1 • E. The movement or storage of equipment, material, debris, or fill within these required protective barriers is completely prohibited. Any trees damaged during construction shall be immediately repaired by an approved tree surgeon. Any tree judged by the ENGINEER to be damaged beyond repair shall be removed at the CONTRACTOR's expense. For each tree erroneously removed or damaged beyond repair, an assessment shall be immediately withheld from the CONTRACTOR's progress payments. This assessment shall be equal to the value of the tree prior to damage. This assessment shall be determined by a tree appraiser, selected by the OWNER and paid for by the CONTRACTOR. The cost for hiring the appraiser shall also be withheld from the CONTRACTOR's progress payments. In addition to the paying of the assessment, the CONTRACTOR shall replace each damaged tree per OWNER'S standards for tree mitigation. G. The CONTRACTOR shall pay an assessment if he disturbs any grasses, shrubs and/or cattails located within the protected areas. The assessment shall not exceed one dollar ($1.00) per square foot of disturbance, and will be immediately withheld from the CONTRACTOR's progress payments. In addition to the paying of the assessment, the damaged vegetation shall be replaced with an equal value per square foot of damage. Replacements shall be planted in accordance with the provisions outlined in these Specifications. Damaged wetland areas shall be replaced and then seeded with a wetland seed mix in accordance with these Specifications or as directed by the ENGINEER. END OF SECTION WTF- Cathodic Protection Phase 2 Tree, Landscape, Vegetation, and Wetland Protection October 2011 01715-2 ffKJHYDRO -Item Description Test Stations Standard Estimate Report FCWTFCathodic Protection Labor_ _ Material Subcontract Equipment Takeoff Oty Amount Amount Amount Name Amount Amount Amount 2a Remove Test Stations 40 Site Exc Earth-Backhoe/Truck 68.00 cy 90 - 532 35 657 40 Site Fill Earth-Backhoe/Truck 68.00 cy 220 104 404 35 763 12 Rem Test Stations 5.00 ea 277 39 194 72 581 2a Remove Test Stations 587 143 1,129 141 2,001 18.373 Labor hours 17.26 Equipment hours 2b Repair Lead 40 Site Exc Earth-Backhoe/Truck 15.00 cy 26 - 117 8 152 40 Site Fill Earth-Backhoefrruck 15.00 cy 65 23 89 8 184 12 Test Stations/Leads 1.00 ea 73 117 39 14 244 2b Repair Lead 165 140 245 30 580 5.18 Labor hours 3.74 Equipment hours 2c Install Test Station 40 Site Exc Earth-Backhoe/Truck 108.00 cy 190 - - 846 55 1,092 40 Site Fill Earth-Backhoe/Truck 108.00 cy 467 165 - 640 55 1,327 6 Trench Excav 20.00 If 1,432 - - 749 10 2,191 12 Test Stations/Leads 1.00 ea 73 313 - 39 14 440 31 Annodes 2.00 ea - 404 - - 29 433 10 Markers 1.00 ea 39 66 8 2114 10 Site Repair 1.00 ea 851 495 2,972 99 2 4,420420 2c Install Test Station 3,052 1,443 2,972 2,381 168 10,016 64.454 Labor hours 35.16 Equipment hours 2d Relocate Leads 40 Site Exc Earth-Backhoe/Truck 15.00 cy 26 - 117 8 152 40 Site Fill Earth-Backhoe/Truck 15.00 cy 65 23 89 8 184 12 Test Stations/Leads 1.00 ea 73 117 39 14 244 2d Relocate Leads 165 140 245 30 580 5.18 Labor hours 3.74 Equipment hours 2e Add Anodes to 24" 40 Site Exc Earth-Backhoerrruck 108.00 cy 190 - - 846 55 1,092 40 Site Fill Earth-BackhoerTruck 108.00 cy 467 165 - 640 55 1,327 6 Trench Excav & Lay Pipe 10- 16' 10.00 If 716 - - 374 5 1,095 12 Test Stations/Leads 1.00 ea 73 313 - 39 14 440 31 Annodes 2.00 ea - 404 - - 29 433 10 Markers 1.00 ea 39 66 0 8 2 114 2e Add Anodes to 24" 1,485 948 1,907 161 4,501 44.653 Labor hours 29.111 Equipment hours 2f Leads on 42" 12 Test Stations/Leads 1.00 ea 216 117 39 14 386 2f Leads on 42" 216 117 39 14 386 6.00 Labor hours 0.63 Equipment hours 60" Test Station 40 Site Exc Earth-Backhoerrruck 147.96 cy 261 - - 1,159 76 1,496 40 Site Fill Earth-Backhoe/Truck 147.96 cy 639 226 877 76 1,818 6 Trench Excav 20.00 If 1,432 749 10 2.191 12 Test Stations/Leads 1.00 ea 73 313 - 39 14 440 I 31 Annodes 4.00 ea - 808 - - 57 865 Page 1 912812011 10:26 AM • SECTION 01720 FIELD ENGINEERING AND SURVEYING PART1 GENERAL . 1.01 SECTION INCLUDES A. Surveying: It shall be the responsibility of the CONTRACTOR to provide construction staking for horizontal and vertical alignment of the centerline, grading, and all appurtenant features of the work including all offset lines necessary for construction. The CONTRACTOR shall be responsible for staking the limits of construction. All construction surveying provided by the CONTRACTOR shall be completed under the supervision of a Colorado Registered Land Surveyor. The ENGINEER will provide the elevations and descriptions of the original and temporary project benchmarks. The ENGINEER will also provide two (2) additional benchmarks in a location within the limits of construction at the request of the CONTRACTOR. B. Supervision: The CONTRACTOR shall have supervision, knowledge of the project requirements and proper installation, and construction procedures, available in the field at all times that work is progressing. • PART 2 PART 3 • PRODUCTS (Not Applicable) EXECUTION (Not Applicable) END OF SECTION WTF — Cathodic Protection Phase 2 Field Engineering and Surveying October 2011 01720-1 i • SECTION 01745 ENVIRONMENTAL CONTROLS PART1 GENERAL 1.01 SECTION INCLUDES A. The work of this section consists of obtaining permits and providing environmental controls consistent with regulatory permits through the duration of the work required under this project. PART PRODUCTS 2.01 MATERIALS A. Dust Control: Dust control agents may be necessary in addition to wetting down with water. Dust control agents may be used only after prior approval by the OWNER. PART 3 EXECUTION 3.01 Dust Control Application: A. The CONTRACTOR shall execute work by methods to minimize raising dust from construction operations. B. The CONTRACTOR shall provide and apply dust control at all times, including evenings, holidays and weekends, as required to abate dust nuisance on and about the site that is a direct result of construction activities. The use of non - approved chemicals, oil, or similar palliatives will not be allowed. Dust control agents may be used only after prior approval of the OWNER. The CONTRACTOR shall be required to provide sufficient quantities of equipment and personnel for dust control sufficient to prevent dust nuisance on and about the site. C. The OWNER will have authority to order dust control work whenever in its opinion it is required, and there shall be no additional cost to the OWNER. The CONTRACTOR shall be expected to maintain dust control measures effectively whether the OWNER or ENGINEER specifically orders such Work. 3.02 PRESERVATION OF NATURAL FEATURES A. Confine operations as much as possible. Exercise special care to maintain natural surroundings in an undamaged condition. Within the work limits, barricade trees, rock outcroppings, and natural features to be preserved. 3.03 HOUSEKEEPING • A. Keep project neat, orderly, and in a safe condition at all times. Store and use equipment, tools, and materials in a manner that does not present a hazard. Immediately remove all rubbish. Do not allow rubbish to accumulate. Provide WTF — Cathodic Protection Environmental Controls October 2011 01745-1 • on -site containers for collection of rubbish and dispose of it at frequent intervals during progress of work. 3.04 DISPOSAL A. Disposal of Waste (Unsuitable) Materials: All material determined by the ENGINEER to be waste will be disposed of in approved landfill in a manner meeting all regulations. Dispose of waste materials, legally, at public or private dumping areas. Do not bury wastes inside of the limits of construction. All costs for dump fees, permits, etc., to be borne by the CONTRACTOR. B. Disposal of Garbage and Other Construction Materials: Provide sanitary containersldumpsters and haul away contents such that no overflow exists. C. Excess excavation shall become the property of the CONTRACTOR and shall be legally disposed of by him outside the limits of construction to an approved disposal site. Excess excavated material suitable for backfill shall not be disposed of until all backfill operations are complete. D. The CONTRACTOR is to immediately inform ENGINEER of any hazardous materials encountered during construction. Dispose of waste materials legally at private or public facilities. 3.05 BURNING • A. No burning of debris will be permitted. 3.06 WATER CONTROL A. The project work may be located within a natural drainage course subject to periodic flooding due to rainfall and snowmelt, flows for adjacent developed areas and storm water pipes and ground water flows from saturated soils or other ground water sources. Refer to Section 02240 for Water Control and Dewatering requirements. 3.07 NOISE CONTROL A. All mechanical equipment shall be equipped with the best available mufflers to reduce noise. The CONTRACTOR shall be responsible for obtaining any necessary permits and shall limit noise to the permitted levels. Noise level monitoring shall be performed by the CONTRACTOR as necessary to show that the permitted levels are not being exceeded. 3.08 PERMITS A. All work must be performed in accordance with all applicable regulatory permits. It shall be the responsibility of Discharge (402) Permit from th is Environment for any dewaterin g the CONTRACTOR to obtain a Groundwater e Colorado Department of Public Health and operations that will be discharged into any WTF - Cathodic Protection Environmental Controls October 2011 01745-2 • drainageways, open channels, or irrigation ditches. The CONTRACTOR shall be responsible for any testing required under the 402 Permit. r1 B. It shall be the responsibility of the CONTRACTOR to prepare and maintain a Stormwater Management Plan (SWMP). The CONTRACTOR must obtain all other applicable permits. END OF SECTION WTF - Cathodic Protection Environmental Controls October 2011 01745-3 • SECTION 01780 CONTRACT CLOSEOUT PART1 GENERAL 1.01 SECTION INCLUDES A. The following project closeout procedure defines the responsibilities of the CONTRACTOR, OWNER, and ENGINEER in closing the project: Step 1: CONTRACTOR advises the ENGINEER in writing that he has reached "Substantial Completion" and provides a list of items to be completed or corrected. Closeout may be conducted by areas or portions of the work if requested by the OWNER. Step 2: ENGINEER inspects the work to determine if it is substantially complete, and issues a Certificate of Substantial Completion plus a "Punch List" of items to be completed or corrected. Step 3: CONTRACTOR completes and/or corrects all punch list items and notifies the ENGINEER in writing that his work is ready for final inspection. At this time, a final application for payment is submitted. • Step 4: ENGINEER makes final inspection. When the work is found to be acceptable under the Contract Documents, and the Contract fully performed, the ENGINEER will issue a final Certificate of Final Completion. B. Final Paperwork: Prior to Final Payment and Acceptance, the CONTRACTOR shall deliver the following items to the ENGINEER: 1. CONTRACTOR's Two -Year Guarantee of Materials and Workmanship 2. All Guarantees, Warranties and Submittals, as specified 3. Receipts for Extra Materials Delivered to the OWNER 4. Final Application for Payment 5. Consent of Surety to Final Payment 6. CONTRACTOR's Lien Waiver 7. SUBCONTRACTOR's Lien Waivers 8. Releases from Property Owners for Special Easements 9. Project Record Documents 10. Red -lined as -built drawings (a.k.a. "Drawings of Record" or "Record Drawings") C. Definition for Substantial Completion is 1. See General Conditions WTF - Cathodic Protection Phase 2 Contract Closeout October 2011 01780-1 • D. Definition for Final Completion 1. All Work must be complete for Final Completion. PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION (Not Applicable) END OF SECTION • WTF — Cathodic Protection Phase 2 October 2011 01780-2 Contract Closeout • • SECTION 02100 SECTION 02200 SECTION 02220 SECTION 02225 SECTION 02230 SECTION 02231 SECTION 02235 SECTION 02240 SECTION 02315 SECTION 02321 SECTION 02375 SECTION 02510 SECTION 02710 DIVISION 2 — SITE WORK SITE PREPARATION EARTHWORK REMOVAL OF STRUCTURES AND OBSTRUCTIONS TRENCHING, BEDDING AND BACKFILL CLEARING AND GRUBBING TREE PROTECTION TOPSOIL WATER CONTROL AND DEWATERING EXCAVATION AND EMBANKMENT CONTROLLED LOW STRENGTH MATERIAL BACKFILL (FLO-FILL) RIPRAP, BEDDING AND FEATURE BOULDERS ASPHALT PAVING AGGRAGATE BASE COURSE WTF — Cathodic Protection Phase 2 October 2011 Division 2 Site Work - 1 Site Work TOC C7 SECTION 02100 SITE PREPARATION PART 1 -GENERAL 1.1 DESCRIPTION This Section covers the removal, stockpiling, replacement and disposal of materials existing on site. PART 2 - PRODUCTS (NOT APPLICABLE) PART 3 - EXECUTION 3.1 STRIPPING A. Any material containing roots, grasses and other deleterious or organic matter generally found in the top twelve inches of undisturbed natural terrain shall be stripped from all areas requiring excavation, grading, trenching, subgrade preparation for foundations and embankment work. The Engineer will require stripped top soil deemed suitable for spading over the finished grades to be stockpiled and preserved until the finished grading operation, at which time it shall be spread uniformly over areas to be seeded or sodded. • B. Whenever it is necessary to disturb existing grass or soil, from the yards of existing residences, care shall be taken so as to strip existing grass and topsoil in a manner that will permit the replacement thereof as close as possible to the original condition and to the satisfaction of the homeowner and Engineer. Tarps or suitable drop cloths shall be spread over all undisturbed areas in such a manner that will protect all areas adjacent to excavcations. 3.2 REMOVAL OF EXISTING IMPROVEMENTS A. Bituminous Pavement - Bituminous pavement and concrete pans (and sidewalks, if required). The Contractor shall be responsible for removal and disposal of all bituminous pavement and concrete to be removed as part of the project. 3.3 PROTECTION OF TREES, SHRUBS, AND ALL PRIVATE PROPERTY AND APPURTENANCES THERETO A. The Contractor shall take whatever steps and precautions necessaryto protect all trees, shrubs, flowers, fences, sidewalks, patios, structures, and other such property such that upon completion of all work. All property shall be restored to its original condition or better as determined by the Engineer. • END OF SECTION W TF — Cathodic Protection Phase 2 Site Preparation October 2011 02100 - 1 0 • CJ DIVISION 2 — SITE WORK SECTION 02100 SITE PREPARATION SECTION 02200 EARTHWORK SECTION 02220 REMOVAL OF STRUCTURES AND OBSTRUCTIONS SECTION 02225 TRENCHING, BEDDING AND BACKFILL SECTION 02230 CLEARING AND GRUBBING SECTION 02231 TREE PROTECTION SECTION 02235 TOPSOIL SECTION 02240 WATER CONTROL AND DEWATERING SECTION 02315 EXCAVATION AND EMBANKMENT SECTION 02321 CONTROLLED LOW STRENGTH MATERIAL BACKFILL (FLO-FILL) SECTION 02375 RIPRAP, BEDDING AND FEATURE BOULDERS SECTION 02510 ASPHALT PAVING SECTION 02710 AGGRAGATE BASE COURSE WTF — Cathodic Protection Phase 2 October 2011 Division 2 Site Work - 1 Site Work TOC • SECTION 02200 EARTHWORK PART 1 -GENERAL 1.01 WORK INCLUDED A. Extent of earthwork is indicated on the Contract Drawings and includes excavation and backfill. 1.02 RELATED WORK A. General Conditions and Division 1 - General Requirements B. Section 02100 - Site Preparation C. Section 02225 - Trenching, Bedding and Backfill 1.03 GENERAL EXCAVATION The Contractor shall perform all excavation regardless of the type, nature, or condition of material encountered, as specified, shown, or required in order to accomplish the construction. 1.04 SUBMITTALS - Not applicable • 1.05 JOB CONDITIONS A geotechnical investigation and report has been performed for the Owner in orderto obtain relative data concerning the character of material in and upon which the project is to be built. This report is available to the Contractor in the office of the Engineer for information purposes only. The Contractor shall satisfy himself as to the kind and type of soil to be encountered and any water conditions which might affect the construction of the project. The location of existing utilities is shown in an approximate way only and not all utilities may be shown. The Contractor shall determine the exact location of all existing utilities prior to commencing work. The Contractor shall be fully responsible for any and all damages which might be occasioned by his failure to exactly locate and preserve any and all utilities. If utilities are to remain in place, the Contractor shall provide adequate means of support and protection during construction. Should drawn or incorrectly drawn piping or other utilities be encountered during excavation, the Contractor shall advise the Engineerwithin thirty (30) minutes of encountering the utility. The Contractor shall cooperate the with Engineer and utility companies in keeping respective services and facilities in operation to the satisfaction of the respective owners. The owners reserve the right to perform any and all work required should the Contractor fail to cooperate with the respective companies, and backcharge the Contractor for any and all expenses. • The Contractor shall provide barricades and signs in accordance with the Uniform Manual of Traffic Control Devices where applicable. The Contractor shall maintain all devices in a working manner. WTF - Cathodic Protection Phase 2 Earthwork October 2011 02200 - 1 QHYORO Standard Estimate Report FCWTF-Cathodic Protection Item Description Takeoff City Amount Amount Amount Name Amount Amount Amount 2g 60" Test Station 10 Markers 1.00 ea 39 66 8 2 114 2g 60" Test Station 2,444 1,412 2,831 236 6,924 72.82 Labor hours 43.461 Equipment hours 211 24" Test Station 40 Site Exc Earth-Backhoerrruck 122.81 cy 217 962 63 1,242 40 Site Fill Earth-Backhoerrruck 122.81 cy 530 187 728 63 1,509 6 Trench Excav 20.00 If 1.432 - 749 10 2,191 12 Test Stations/Leads 2.00 ea 147 626 77 29 879 31 Annodes 4.00 ea - 808 57 865 10 Markers 1.00 as 39 66 8 2 114 2h 24" Test Station 2,365 1,687 2,524 224 6,800 69.595 Labor hours 38.86 Equipment hours 2i Install Anode 40 Site Exc Earth-Backhos(Truck 137.603 cy 243 - - 1,078 71 1,391 40 Site Fill Earth-Backhoe/Truck 137.603 cy 594 210 - 816 71 1,691 6 Trench Excav 20.00 If 1,432 - - 749 10 2,191 31 Annodes 1.00 as - 202 - - 14 216 10 Site Repair 1.00 as 511 495 694 99 2 1,801 21 Install Anode 2,779 907 694 2,742 168 7,290 68.611 Labor hours 40.684 Equipment hours 2i Repair Lead 12 Test Stations/Leads 1.00 ea 216 117 39 14 386 2J Repair Lead 216 117 39 14 386 6.00 Labor hours 0.63 Equipment hours Test Stations 13,473 7,056 3,666 14,082 1,187 39,464 360.76 Labor hours 213.26 Equipment hours Estimate Totals Description Amount Totals Hours Rate Cost Basis Cost per Unit Percent of Total Labor 13,473 360.757 hrs 34.14% Material 7,056 17.88% Subcontract 3,666 9.29% Equipment 14,082 213.258 hrs 35.68% Other 1,187 3.01% 39,464 39,464 100.00 Total 39,464 Page 2 912812011 10:26 AM 0 • r� ART 2 - MATERIALS 2.01 SOIL MATERIALS Soil material for backfill shall be coarse -grained soils free from debris, roots, organic material, and non -mineral matter containing no particles larger than 4-inch size and classified as either: A. Sands with fines (SM, SC) and less than 25 percent of the soil particles passing the No. 200 sieve, or B. Clean sands (SW, SP) C. Native soils as determined acceptable by the Soils Engineer PART 3 - EXECUTION 3.01 EARTHFILL CONSTRUCTION The Contractor shall construct earthfills to lines and grades shown or specified. The fill shall be placed in continuous horizontal layers not exceeding 8-inches in loose thickness. Where hand operated compaction equipment is used, the layers shall not exceed 6-inches in loose thickness. • The Contractor shall protect the fill against freezing when atmospheric temperature is less than 35 deg. F. (1 deg. C). 3.02 COMPACTION The Contractor shall meet minimum percentage density specified foreach area classification as follows: Percentage of Maximum Density Requirements: Compact soil to not less than the following percentages of maximum density relationship determined in accordance with ASTM D 698. A. Foundations, paved areas, sidewalks and unpaved areas within rights -of -way - 95% B. Unpaved areas outside right-of-way - 90% Moisture Control: Control moisture content within 2% of optimum moisture content as determined by ASTM D 698. Where subgrade or a layer of soil material must be moisture conditioned before compaction, uniformly apply water to surface of cut area subgrade, or loosely placed layer of soil material, to prevent free water appearing on surface during or subsequent to compaction operations. isA. Remove and replace, or scarify and air dry, soil material that is too wet to permit compaction to specified density. WTF - Cathodic Protection Phase 2 Earthwork October 2011 02200 - 2 • B. Soil material that has been removed because it is too wet to permit compaction may be stockpiled or spread and allowed to dry. Assist drying by discing, harrowing or pulverizing until moisture content is reduced to a satisfactory value. 3.03 GRADING The Contractor shall perform all grading to the lines and grades as shown on the Drawings and/or established by the Engineer. Shape, trim, and finish slopes of channels to conform to the lines, grades, and cross sections as shown or approved. All slopes shall be free of all exposed roots and stones exceeding 3-inch diameter which are loose and liable to fall. Rounded surfaces shall be neatly and smoothly trimmed. Top soil shall be replaced to a depth of 4-inches in areas to be seeded or sodded with grass and 12-inches in cultivated areas. 3.04 SETTLEMENT Where completed compacted areas are disturbed by subsequent construction operations or adverse weather, the Contractor shall scarify the ground surface, re -shape, and compact to required density prior to further construction. Any settlement in backfill, fill, or in structures built over the backfill or fill, which may occur within the 2 years guarantee period in the General Conditions will be considered to be caused by improper compaction methods and shall be corrected at no cost to the Owner. Any structure damaged by settlement shall be restored to their original condition by the • Contractor at no cost to the Owner. 3.05 DISPOSAL OF EXCESS EXCAVATION AND WASTE MATERIALS AND SPECIAL REQUIREMENTS • The Contractor shall dispose of all excess excavated material not required for fill on -site. The Contractor shall remove and be responsible for legally disposing of excess fill material not placed on -site, waste materials, trash and debris. The Contractor shall conduct all site grading operations and other construction activities to minimize erosion of site soil materials. He shall be responsible to maintain streets daily removing any spillage of dirt, rocks or debris from equipment entering or leaving the site. END OF SECTION WTF — Cathodic Protection Phase 2 Earthwork October 2011 02200 - 3 . SECTION 02220 REMOVAL OF STRUCTURES AND OBSTRUCTIONS PART1 GENERAL 1.01 SECTION INCLUDES A. This work consists of the removal and disposal of trees, slope and ditch protection, abandoned utility services, curb, gutter, pipes, sidewalk, appurtenances, fences, foundations, pavements, pavement markings, fill debris (i.e. concrete and trash) and any other obstructions that are not designated or permitted to remain. It shall also include salvaging, stockpiling and loading salvable materials, sandblasting, plugging structures, cleaning culverts, and sawing and cutting to facilitate controlled breaking and removal of concrete and asphalt to a neat line. Except in areas to be excavated, the resulting trenches, holes, and pits shall be backfilled. Materials removed and not designated to be salvaged or incorporated into the work shall become the property of the CONTRACTOR. 1.02 RELATED SECTIONS A. Section 02230 — Clearing and Grubbing • B. Section 02315 — Excavation and Embankment PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION 3.01 CONSTRUCTION REQUIREMENTS A. General: The CONTRACTOR shall raze, remove, and dispose of all structures and obstructions which are identified on the project, except utilities, structures and obstructions removed under other contractual agreements or as otherwise provided for in the Contract Documents, and salvable material designed to remain the property of the OWNER. Prior to removing structures the CONTRACTOR is responsible for having all utilities disconnected and for all expenses associated with disconnecting and abandoning utility service lines. Payment for any utility disconnection shall be included in the unit price for structure removal. The CONTRACTOR and 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 will not be compensated for materials that were not measured by the ENGINEER. • The accepted quantities will be paid for at the contract unit price. Saw cutting, excavation, backfill, haul disposal, and stockpiling of materials will not WTF — Cathodic Protection Phase 2 Removal of Structures and Obstructions October 2011 02220-1 • be measured and paid for separately. This cost shall be included in the unit price for each bid item. B. Salvable Material: All salvable material designated in the Contract or by the ENGINEER to remain the property of the OWNER shall be removed without damage, in sections or pieces which may be readily transported, and shall be stockpiled by the CONTRACTOR at specified locations within the project limits. The CONTRACTOR shall safeguard salvable materials and shall be responsible for the expense of repairing or replacing damaged or missing material until it is incorporated into the work, or is loaded onto the OWNER's equipment by the CONTRACTOR. C. Signs and Traffic Signals: Removal of signs shall include removal of posts, footings, pedestals, sign panels, and brackets. Concrete adhering to salvable sign posts shall be removed. Removal of sign panel shall include removal of the panel and its attachment hardware from the existing installation and adjusting the spacing of the remaining panels. The removal of traffic signal items shall include poles, mast arms, signal heads, span wires, footings, all attachment hardware, and other incidental materials. Removal of signal pole or pedestal pole shall include pole, span wire, cable, signal heads, overhead sign support wire, footings, and • pedestrian push buttons. Removal of traffic signal controller and cabinet shall include removal of the footing and all auxiliary equipment contained within the cabinet. D. Pavements. Sidewalks. and Curbs: All pavements, sidewalks, structures, curbs, gutters, etc., designated for removal, shall be disposed of off -site by the CONTRACTOR at his expense. Sawing of concrete and asphalt shall be done to a true line, with a vertical face, unless otherwise specified. The minimum depth of a saw cut shall be 2 inches. For reinforced concrete, the minimum depth shall be 2 inches, or to the depth of the reinforcing steel, whichever occurs first. Sections of concrete or asphalt which, due to the CONTRACTOR'S negligent operations, crack or break beyond the limits of construction, shall be saw cut, removed and replaced at the CONTRACTOR'S expense. The limit and responsibility of the repair will be determined by the ENGINEER. All saw cutting associated with removal items shall be considered incidental to the work and will not be measured or paid for separately under this item. E. Abandonment of Existing Sewer Facilities: All existing sewer facilities to be plugged and abandoned in place are specifically shown on the Drawings. Unless otherwise specified on the Drawings, the procedures and methods for the abandonment of said facilities shall conform to the requirements set forth in the Contract Documents for that specific item. Abandonment of existing sewer facilities shall be included in this item of work unless otherwise • provided for under other work items in the Contract Documents. END OF SECTION WTF — Cathodic Protection Phase 2 Removal of Structures and Obstructions October 2011 02220-2 • SECTION 02225 TRENCHING, BEDDING AND BACKFILL PART 1 -GENERAL 1.01 WORK INCLUDED A. Labor, equipment, and materials necessary for excavation and trenching for water, sewer and stormwater conduits and appurtenances. B. Provision of bedding and compacted fill over water, sewer and stormwater conduits and appurtenances. 1.02 RELATED WORK A. General Conditions and Division 1 - General Requirements B. Section 02315 - Excavation and Embankment 1.03 REFERENCES A. ASTM C136 - Sieve Analysis of Fine and Coarse Aggregates. B. ASTM D698 or AASHTO T99 - Tests for Moisture -Density Relations of Soils and • Soil -Aggregate Mixture Using 5.5 lb (2.49 kg) Rammer and 12-inch (305mm) Drop (Standard Proctor). C. ASTM D2049 - Test for Relative Density for cohesionless soils. D. Testing Agency: All soils testing during construction will be performed by a testing laboratory selected and paid by the Owner. E. Federal Register, Part II, Department of Labor, Occupational Safety and Health Administration, 29 CFR Part 1926 Occupational Safety and Health Standards - Excavations; Final Rule Date Tuesday October 31, 1989 latest revision thereto. F. Excavations - U. S. Department of Labor Occupational Safety and Health Administration 1990 (revised) OSHA 2226 latest revision thereto. 1.04 TESTING A. In -place moisture density tests will be performed to ensure trench backfill complies with specified requirements. The following minimum tests should be expected to be performed: 1. Trench bedding - 1 per 200 feet 2. Backfill -1 per 200 feet • B. Backfill compaction tests will be performed until compaction meets or exceeds requirements. The cost of "passing" tests will be paid by the Owner. Costs associated with "failing" tests shall be paid by the Contractor. Pipe bedding shall be tested prior to placement of backfill. Testing of all bedding and backfill WTF - Cathodic Protection Phase 2 Trenching, Bedding & Backfill October 2011 02225 - 1 • material shall be done in compliance with OSHA - Excavations. 1.05 SUBMITTALS A. The Contractor shall cooperate with the geotechnical engineers in obtaining samples of all bedding materials. The Contractor shall submit test certificates of all stabilization material, bedding material, barrier material, and any imported or on -site material proposed for use on this project. 1.06 PROTECTION A. Sheeting and Shoring The Contractor shall protect excavations by shoring, bracing, sheet piling, underpinning, or other methods required to prevent any excessive widening or sloughing of the trench which may be detrimental to human safety, to the pipe or appurtenances being installed, or to existing facilities or structures. The latest requirements of OSHA shall be complied with at all times including trenching and confined space entry requirements. The Contractor must provide protection for his workers, Owner, Engineer, testing agencies and any other inspector/individual who requires access to the trench. The safety of the workers shall be provided for as required by the most recent • standards adopted by the Colorado Occupational Safety and Health (COSH) Standards Board as enforced by the Colorado Department of Labor. The Contractor shall be responsible for underpinning adjacent structures which may be damaged by excavation work. B. Weather and Frost The Contractor shall protect bottom of excavations and soil adjacent to and beneath foundations from frost. 1. Do not place backfill, fill or embankment on frozen surfaces. 2. Do not place frozen materials, snow or ice in backfill, fill or embankments. 3. Do not deposit, tamp, roll or otherwise mechanically compact backfill in water. C. Drainage and Groundwater The excavation shall be graded to prevent surface water run-off into trench or excavation. • 1. Maintain excavations and trench free from water during construction. 2. Remove water encountered in the trench to the extent necessary to provide a firm subgrade, to permit joints to be made in the dry, and to WTF - Cathodic Protection Phase 2 Trenching, Bedding & Backfill October 2011 02225 - 2 • prevent the entrance of water into the pipeline. 3. Divert surface runoff and use sumps, gravel blankets, well points, drain lines or other means necessary to accomplish the above. 4. Maintain the excavation or trench 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. Water shall be prevented from entering into previously constructed pipe. 6. The pipe under construction shall not be used for dewatering. D. Underground Facilities The location of known existing underground utilities and obstructions are shown in an approximate way and not all of them may be shown. The Contractor shall notify each utility owner and request utilities be field located a minimum of 48 hours prior to excavation. 2. Contractor shall expose and verify size, location and elevation of all utilities and obstructions sufficiently in advance in order to permit changes in the event of conflict. The Contractor shall be fully responsible for any and all damages which might be occasioned by his work and • failure to locate and preserve any and all utilities and obstructions. 3. If Contractor elects to remove underground obstructions, such as sprinklers, drainage culverts, catch basins or other structures, the following shall apply: a. Drainage culverts may be salvaged, stored and reused if approval is obtained from the Utilities Department or property owner having jurisdiction thereof. b. Replace all other underground obstructions with new materials. C. Restore to original conditions or better. d. Maintain the flow in field drains at the quantity, quality, and velocity present prior to the temporary removal of the drain pipe. PART 2 - MATERIALS 2.01 SUB -BEDDING: Materials shall consist of: A. Uniformly graded rock ranging from 3/4-inch to 1-1/2-inch. B. Sub -bedding shall be used to provide a firm foundation in soils which are judged • by the Engineer to be soft or unstable. 2.02 BEDDING AND PIPE ZONE MATERIALS: WTF - Cathodic Protection Phase 2 Trenching, Bedding & Backfill October 2011 02225 - 3 • A. Pipe shall be bedded in a uniformly graded material conforming to CDOT #67 granular bedding or Squeegee Sand, unless otherwise noted on the Drawings or as approved by the Project Manager. Squeegee Sand: Sieve Size Total Percent Passing by Weight 3/8-inch 100 No. 200 0-5 It will be the responsibility of the Contractor to locate material meeting the Specifications, to test its ability to consolidate to at least 65% relative density, and to secure approval of the Engineer before such material is delivered to the project. Relative density shall be determined as stipulated in ASTM-Designation: D-2049. 2.03 BACKFILL Backfill shall meet the following requirements: Use only backfill for trenches which is free from boulders, large roots, other vegetation or organic matter, and frozen material. No boulders greater than 3 inches in diameter shall be allowed. 2.04 CUT-OFF WALLS A. Clay or controlled low strength material backfill cut-off walls are acceptable. Clay cut-off walls a. More than 50% shall pass a No. 200 Sieve. The plasticity index shall be greater than 12. 2. Controlled low strength material backfill cut-off walls a. See Section 02321 for requirements. 2.05 PIPELINE MARKER OR DETECTION TAPE A. Marker tape shall be 6" wide, minimum 0.04" thick polyethylene, metallic blue color, with "Caution Buried Water Line' printed on the top face, as manufactured by Seton or approved equal. PART 3 • EXECUTION 3.01 GENERAL • A. The following procedures shall be followed by the Contractor in sequencing his work. 1. No more than 150 feet of trench shall be left open at any time. The entire WTF — Cathodic Protection Phase 2 Trenching, Bedding & Backfill October 2011 02225 - 4 • trench shall be backfilled upon conclusion of each day's work. The trench shall not be backfilled until the pipe installation is reviewed by the Engineer. Trench shall be backfilled within 50 feet of the pipe installation at all times. 3. Clean-up shall be maintained within 400 feet of the trench excavation. B. Prior to placement in the trench, all pipe, fittings, and appurtenances shall be cleaned and examined for defects by the Contractor. If found defective, the Contractor shall reject the defective pipe, fitting, or appurtenance. The Contractor shall advise the Engineer of all defective materials. All surplus excavation shall be placed, in an orderly manner. If material is stockpiled on private property, written permission must be obtained from the property owner and provided to the Engineer. All sub -bedding, bedding, and pipe zone material shall be imported unless otherwise designated by the Owner's geotechnical engineer. Upon completion of the work, all plants, rubbish, unused materials, concrete forms and other like material shall be removed from the jobsite. The site shall be left in a state of order and cleanliness. • 3.02 MAINTENANCE AND CORRECTION A. Scarify surface, reshape and compact to required density completed or partially completed areas of work disturbed by subsequent construction operations or by adverse weather. B. Maintain and correct backfill, fill and embankment settlement and make necessary repairs to pavement, structures, seeding and sodding which may be damaged as a result of settlement for the period specified in the Contract Documents. C. Contractor may perform such maintenance and correction by subcontract. 3.03 OBSTRUCTIONS AND DISPOSAL OF WASTE MATERIAL A. The Contractor shall remove obstructions that do not require replacement from within the trench or adjacent areas such as tree roots, stumps, abandoned piling, buildings and concrete structures, frozen material, logs, and debris of all types without additional compensation. The Engineer may, if requested, make changes in the trench alignment to avoid major obstructions, if such alignment changes can be made within the work limits without adversely affecting the intended function of the facility. Excavated materials unsuitable for backfill or not required for backfill shall be disposed of in accordance with local regulations. 0 3.04 TRENCH EXCAVATION A. All existing asphalt or concrete surfacing shall be saw cut vertically in a straight WTF — Cathodic Protection Phase 2 Trenching, Bedding & Backfill October 2011 02225 - 5 • line, and removed from the job site prior to starting the trench excavation. This material shall not be used in any fill or backfill. The trench shall be excavated so that a minimum clearance of six (6) inches is maintained on each side of the pipe for proper placement and densification of the bedding or backfill material. The maximum clearance measured at the spring line of the pipe shall be eighteen (18) inches regardless of the type of pipe, type of soil, depth of excavation or the method of densifying the bedding and backfill. All excavations shall be made to the lines and grades as established by the Contract Drawings. Pipe trenches shall be excavated to a minimum depth of six inches (6") below the bottom of the pipe. Deviation from grades will be allowed only when approved by the Engineer. Over excavation shall be rectified to the satisfaction of the Engineer at the expense of the Contractor. Except as otherwise dictated by construction conditions, the excavation shall be of such dimensions as to allow for the proper pipe installation and to permit the construction of the necessary pipe connections. Care shall be taken to insure that the excavation does not extend below established grades. If the excavation is made below such grades, the excess excavation shall be filled in with sand or graded gravel deposited in horizontal layers not more than six inches (6") in thickness after being compacted and shall be moistened as required to within two percent (2%) of the optimum moisture content required for compaction of that soil. After being conditioned to have the required moisture content, the layers shall be compacted to the required density. 40 The Contractor shall stockpile excavated materials in a safe manner. Stockpiles shall be graded for proper drainage. The Contractor shall place and grade the trench base to the proper grade ahead of pipe laying. The invert of the trench shall be compacted to provide a firm unyielding support along entire pipe length. 3.05 SURPLUS EXCAVATION MATERIAL A. If surplus excavation is disposed of on private property, written permission shall be obtained from the Owner and a copy given to the Engineer and the Contractor. 3.06 FOUNDATIONS ON UNSTABLE SOILS A. If the bottom of the excavation is soft or unstable, and in the opinion of the Engineer, cannot satisfactorily support the pipe or structure, a further depth and width shall be excavated and refilled to six inches (6") below grade with rock uniformly graded between 3/4 inch and 1 1/2 inch to provide a firm foundation for the pipe or structure. From six inches (6") below grade to grade, the appropriate bedding material shall be placed to provide support for the pipe or structure. 3.07 PIPE BEDDING IsA. After completion of the trench excavation and proper preparation of the foundation, six inches (6") of bedding material shall be placed on the trench WTF — Cathodic Protection Phase 2 Trenching, Bedding & Backfill October 2011 02225 - 6 • SECTION 00530 WORK ORDER NOTICE TO PROCEED Description of Work: Water Treatment Facility Cathodic Protection test site rehabilitation and installation To: Hydro Construction This notice is to advise you: That the contract covering the above described Work has been fully executed by the CONTRACTOR and the OWNER. That the required CONTRACTOR's Performance Bond and Payment Bond have been received by the OWNER. That the OWNER has approved the said Contract Documents. Therefore, as the CONTRACTOR for the above described Work, you are hereby authorized and directed to proceed within fifteen (15) calendar days from receipt of this notice as required by the Agreement. • Dated this October V, 2011. The dates for Substantial Completion and Final Acceptance shall be December 31, 2011 and February 29, 2012, respectively. City of Fort Collins OWNER By: (% Sue Pa4dae Title Special Projects Manager ACKNOWLEDGMENT OF NOTICE Receipt of the above Notice to Proceed is hereby acknowledged thisaday of October, 2011. Hydro Construction CONTRACTOR I C � By — Title: Lgr WTF - Cathodic Protection Phase 2 Notice to Proceed October 2011 00530-1 • bottom for support under the pipe. Bell holes shall be dug deep enough to provide a minimum of two inches (2") of clearance between the bell and the bedding material. All pipe shall be installed in such a manner as to insure full support of the pipe barrel over its entire length. After the pipe is adjusted for line and grade and the joint is made, the bedding material shall be carefully placed and tamped under the haunches of the pipe. For all types of pipe, the limits of bedding shall be as shown on the trench section details on the drawings. Bedding shall be compacted to 65% relative density in accordance with ASTM D2049. Care shall be exercised to assure sufficient tamping under the pipe to achieve uniform support. (See the Contract Drawings for a typical trench cross- section). 3.08 BACKFILL AND COMPACTION A. Pipes: 1. The pipe trench shall be backfilled to the limits as shown on the Contract Drawings. The backfill in all roadway rights -of -way and paved areas shall be compacted by vibrating, tamping or a combination thereof to sixty-five percent (65%) relative density for sand material as determined by the relative density of cohesionless soils test, ASTM Standard Designation D2049 or to 95% of maximum density for cohesive soils as determined • by ASTM Standard Designation D698. Required compaction in all other areas will be ninety percent (90%) ASTM D698 for cohesive soils or 65% relative density for cohesionless soils, unless otherwise specified. 2. All backfill shall be brought up to equal height along each side of the pipe in such a manner as to avoid displacement. Wet, soft or frozen material, asphalt chunks or other deleterious substances shall not be used for backfill. If the excavated material is not suitable for backfill, as determined by the Engineer, suitable material shall be hauled in and utilized and the rejected material hauled away and disposed of. 3. Backfilling shall be conducted at all times in a mannerto prevent damage to the pipe or its coating and shall be kept as close to the pipe laying operation as practical. Backfilling procedures shall conform to the additional requirements, if any, of appropriate agencies or private right-of-way agreements. B. Structures 1. Backfill, and fill within three feet (T) adjacent to all structures and for full height of the walls, shall be selected non -swelling material. It shall be relatively impervious, well graded, and free from stones largerthan three inches (3" ). Material may be job excavated, but selectivity will be • required as determined by the Engineer. Stockpiled material, other than topsoil from the excavation shall be used for backfilling unless an impervious structural backfill is specified. The backfill material shall be free from rubbish, stone larger than five inches (Y) in diameter, clods WTF — Cathodic Protection Phase 2 Trenching, Bedding & Backfill October 2011 02225 - 7 • and frozen lumps of soil. All backfill around the structures shall be consolidated by mechanical tamping. The material shall be placed in six inch (6") loose lifts within a range of two percent (2%) above to two percent (2%) below the optimum moisture content and compacted to ninety-five percent (95%) of maximum density for cohesive soils as determined by ASTM Standard Designation D698 or to seventy percent (70%) relative density for pervious material as determined by the relative density of cohesionless soils test, ASTM Standard Designation D2049. 2. Impervious structural backfill, where shown or specified, shall consist of material having 100% finer than three inches (Y) in diameter and a minimum of twenty percent (20%) passing a #200 U.S. Standard sieve. The material shall be placed in six inch (6") loose lifts within a range of two percent (2%) above to two percent (2%) below the optimum moisture content and compacted to ninety five percent (95%) of maximum density for cohesive soil as determined by ASTM Standard Designation D698. 3.09 SURFACE RESTORATION A. Unsurfaced areas All surface cuts shall be, as a minimum, restored to a condition equal to, or better than, that prior to construction. isB. Surfaced areas 1. All surface cuts shall be, as a minimum, restored to a condition equal to, or better than, that prior to construction. All gravel or paved streets shall be restored in accordance with the regulation and requirements of the agency having control orjurisdiction over the street, roadway or right-of- way. • C. Grassed or landscaped areas In landscaped or agricultural areas, topsoil, to a depth of 12 inches, shall be removed from the area of general disturbance and stockpiled. After installation of all pipelines, appurtenances and structures and completion of all backfill and compaction, the stockpiled topsoil shall be redistributed evenly over all disturbed areas. Care should be taken to conform to the original ground contour or final grading plans. END OF SECTION WTF - Cathodic Protection Phase 2 Trenching, Bedding & Backfill October 2011 02225 - 8 • SECTION 02230 CLEARING AND GRUBBING PART1 GENERAL 1.01 SECTION INCLUDES A. This work consists of clearing, grubbing, removing, and disposing of vegetation and debris within the limits of the project site as shown on the Drawings and as required by the Work. Vegetation and objects designated to remain shall be preserved free from injury or defacement. 1.02 RELATED SECTIONS A. Section 02315 - Excavation and Embankment B. Section 02225 — Trenching, Bedding and Backfill PART 2 PRODUCTS (Not Applicable) PART 3 EXECUTION 3.01 CONSTRUCTION REQUIREMENTS • A. The OWNER will designate all trees, shrubs, plants, and other objects to remain. Any object that is designated to remain and is damaged shall be repaired or replaced as directed by the OWNER, at the CONTRACTOR's expense. • Clearing and grubbing shall extend to the toe of fill or the top of cut slopes, unless otherwise designated. All surface objects, trees, stumps, roots, and other protruding obstructions not designated to remain shall be cleared and grubbed, including mowing, as required. Undisturbed stumps, roots, and nonperishable solid objects located two feet or more below subgrade or embankment slope may remain in place. In areas to be rounded at the tops of backslopes, stumps shall be removed to at least two feet below the surface of the final slope line. Except in areas to be excavated, all holes resulting from the removal of obstructions shall be backfilled with suitable material and compacted in accordance with Section 02315. No material or debris shall be disposed of within the project limits. All cleared timber shall be removed from the project and shall become the property of the CONTRACTOR. Branches on trees or shrubs shall be removed as directed. All trimming shall be done in accordance with good tree surgery practices. WTF — Cathodic Protection Phase 2 October 2011 02230-1 Clearing and Grubbing • The CONTRACTOR shall scalp the areas within the excavation or embankment grading limits. Scalping shall include the removal from the ground surface of sawdust, and other vegetation matter. • U END OF SECTION WTF — Cathodic Protection Phase 2 Clearing and Grubbing October 2011 02230-2 • SECTION 02231 SECTION TREE PROTECTION PART-1 GENERAL 1.01 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. 1.02 SUMMARY A. This Section includes the protection and trimming of existing trees that interfere with, or are affected by, execution of the Work, whether temporary or permanent construction. B. Related Sections include the following: 1. Division 1 Section "Summary" for limits placed on Contractor's use of the site. 2. Division 1 Section "Temporary Facilities and Controls" for temporary tree protection. • 3. Division 2 Section "Site Clearing" for removal limits of trees, shrubs, and other plantings affected by new construction. 4. Division 2 Section "Earthwork" for building and utility trench excavation, backfilling, compacting and grading requirements, and soil materials. 1.03 DEFINITIONS A. Tree Protection Zone: Area surrounding individual trees or groups of trees to remain during construction, and defined by the drip line of individual trees or the perimeter drip line of groups of trees, unless otherwise indicated. 1.04 SUBMITTALS A. Product Data: For each type of product indicated. B. Tree Pruning Schedule: Written schedule from arborist detailing scope and extent of pruning of trees to remain that interfere with or are affected by construction. C. Qualification Data: For tree service firm and arborist. 1.05 QUALITY ASSURANCE A. Tree Service Firm Qualifications: An experienced tree service firm that has successfully completed tree protection and trimming work similar to that required for this Project and that will assign an experienced, qualified arborist to Project • site during execution of tree protection and trimming. WTF — Cathodic Protection Phase 2 Tree Protection October 2011 02231-1 . B. Tree Pruning: Contact the City Foresters Office if tree pruning is required. City Forester shall review the contractors request for tree pruning and provide direction. C. Preinstallation Conference: Conduct conference at Project site to comply with requirements in Division 1 Section "Project Management and Coordination." 1. Before tree protection operations begin, meet with representatives of authorities having jurisdiction, Owner, City Forester, Artist, consultants, and other concerned entities to review tree protection and trimming procedures and responsibilities. PART PRODUCTS 2.01 MATERIALS A. Drainage Fill: Selected crushed stone, or crushed or uncrushed gravel, washed, ASTM D 448, Size 24, with 90 to 100 percent passing a 2-1/2-inch sieve and not more than 10 percent passing a 3/4-inch sieve. B. Topsoil: Natural or cultivated surface -soil layer containing organic matter and sand, silt, and clay particles; friable, pervious, and black or a darker shade of brown, gray, or red than underlying subsoil; reasonably free of subsoil, clay lumps, gravel, and other objects more than 1.5 inch in diameter; and free of weeds, roots, and toxic and other nonsoil materials. 1. Obtain topsoil only from well -drained sites where topsoil is 4 inches deep • or more; do not obtain from bogs or marshes. C. Filter Fabric: Manufacturer's standard, nonwoven, pervious, geotextile fabric of polypropylene, nylon, or polyester fibers. D. Temporary Fencing: Orange Snow Fence; a minimum of 48 inches high; with 'T'posts; with tie wires, and other accessories for a complete fence system. E. Organic Mulch: Shredded Cedar, free of deleterious materials. PART 3 EXECUTION 3.01 PREPARATION A. Temporary Fencing: Install temporary fencing around tree protection zones to protect remaining trees and vegetation from construction damage. Maintain temporary fence and remove when construction is complete. B. Protect tree root systems from damage caused by runoff or spillage of noxious materials while mixing, placing, or storing construction materials. Protect root systems from ponding, eroding, or excessive wetting caused by dewatering operations. C. Mulch areas inside tree protection zones and other areas indicated. 1. Apply 3-inch average thickness of organic mulch. Do not place mulch within 6 inches of tree trunks. D. Do not store construction materials, debris, or excavated material inside tree • protection zones. Do not permit vehicles or foot traffic within tree protection zones; prevent soil compaction over root systems. WTF - Cathodic Protection Phase 2 Tree Protection October 2011 02231-2 • E. Maintain tree protection zones free of weeds and trash. F. Do not allow fires within tree protection zones. 3.02 EXCAVATION A. Install shoring or other protective support systems to minimize sloping or benching of excavations. B. Do not excavate within tree protection zones, unless otherwise indicated. C. Where excavation for new construction is required within tree protection zones, hand clear and excavate to minimize damage to root systems. Use narrow -tine spading forks and comb soil to expose roots. 1. Redirect roots in backfill areas where possible. If encountering large, main lateral roots, expose roots beyond excavation limits as required to bend and redirect them without breaking. If encountered immediately adjacent to location of new construction and redirection is not practical, cut roots approximately 3 inches back from new construction. 2. Do not allow exposed roots to dry out before placing permanent backfill. Provide temporary earth cover or pack with peat moss and wrap with burlap. Water and maintain in a moist condition. Temporarily support and protect roots from damage until they are permanently relocated and covered with soil. • D. Where utility trenches are required within tree protection zones, tunnel under or around roots by drilling, auger boring, pipe jacking, or digging by hand. 1. Root Pruning: Do not cut main lateral roots or taproots; cut only smaller roots that interfere with installation of utilities. Cut roots with sharp pruning instruments; do not break or chop. 2. The installation of utilities, irrigation lines or any underground fixture requiring excavation deeper than six (6) inches shall be accomplished by boring under the root system of protected existing trees at a minimum depth of twenty-four (24) inches. The auger distance is established from the face of the tree (outer bark) and is scaled from tree diameter and breast height as described in the chart below. Tree Diameter at Breast Height (inches) Auger Distance From Face of Tree (feet) 0-2 1 3-4 2 5-9 5 10-14 10 15-19 12 Over 19 15 3.03 REGRADING • A. Grade Lowering: Where new finish grade is indicated below existing grade around trees, slope grade beyond tree protection zones. Maintain existing grades within tree protection zones. WTF — Cathodic Protection Phase 2 Tree Protection October2011 02231-3 • B. Minor Fill: Where existing grade is 6 inches or less below elevation of finish grade, fill with topsoil. Place topsoil in a single uncompacted layer and hand grade to required finish elevations. C. Moderate Fill: Where existing grade is more than 6 inches but less than 12 inches below elevation of finish grade, place drainage fill, filterfabric, and topsoil on existing grade as follows: 1. Carefully place drainage fill against tree trunk approximately 2 inches above elevation of finish grade and extend not less than 18 inches from tree trunk on all sides. For balance of area within drip -line perimeter, place drainage fill up to 6 inches below elevation of grade. 2. Place filter fabric with edges overlapping 6 inches minimum. 3. Place fill layer of topsoil to finish grade. Do not compact drainage fill or topsoil. Hand grade to required finish elevations. 3.04 TREE PRUNING A. Prune trees to remain that are affected by temporary and permanent construction. B. Prune trees to remain to compensate for root loss caused by damaging or cutting root system. Provide subsequent maintenance during Contract period as recommended by arborist. • C. Pruning Standards: Prune trees according to ANSI A300 (Part 1) as follows: 1. Type of Pruning: Cleaning, Thinning and Raising. D. Cut branches with sharp pruning instruments; do not break or chop. E. Chip removed tree branches and dispose of off -site. 3.05 TREE REPAIR AND REPLACEMENT A. 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. 1. 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. Penalties for damage would 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. B. Promptly repair trees damaged by construction operations within 24 hours. Treat damaged trunks, limbs, and roots according to City Forester's instructions. C. Remove and replace trees indicated to remain that die or are damaged during construction operations that City Forester determines are incapable of restoring to normal growth pattern. 1. Where practical, provide new trees of same size and species as those • being replaced; plant and maintain as specified in Division 2 Section "Exterior Plants." 2. Provide new trees of 6-inch caliper size and of a species selected by WTF — Cathodic Protection Phase 2 Tree Protection October 2011 02231-4 • Architect when damaged trees more than 6 inches in caliper size, measured 12 inches above grade, are required to be replaced. Number of replacement trees required to mitigate loss of larger trees will comply with City Code. Plant and maintain new trees as specified in Division 2 Section "Exterior Plants." D. Aerate surface soil, compacted during construction,10 feet beyond drip line and no closer than 36 inches to tree trunk. Drill 2-inch- diameter holes a minimum of 12 inches deep at 24 inches o.c. Backfill holes with an equal mix of augered soil and sand. • 3.06 DISPOSAL OF WASTE MATERIALS A. Burning is not permitted. B. Disposal: Unless otherwise agreed to, remove excess excavated material and displaced trees from Owner's property. END OF SECTION WTF — Cathodic Protection Phase 2 Tree Protection October 2011 02231-5 • SECTION 02235 TOPSOIL PART GENERAL 1.01 SECTION INCLUDES A. This work consists of stripping, salvaging and stockpiling topsoil, and excavating suitable topsoil from stockpiles, contractor sources, available sources, or from the approved natural ground cover to place on designated areas. It shall include the placing of topsoil upon constructed cut and fill slopes after grading operations are completed. 1.02 RELATED SECTIONS A. Section 02230 - Clearing and Grubbing B. Section 02315 - Excavation and Embankment PART2 PRODUCTS 2.01 MATERIALS A. Topsoil shall consist of loose friable loam free of subsoil, refuse, • stumps, roots, rocks, brush, weeds, heavy clay, hard clods, toxic substances, or other material which would be detrimental to its use on the project. Topsoil shall consist of natural on -site ground cover or hauled material from off -site sources. • Wetland topsoil material shall consist of moist organic soil, including any existing wetland vegetation and seeds, to be excavated from areas as shown on the drawings or as directed by the ENGINEER. PART 3 EXECUTION 3.01 CONSTRUCTION REQUIREMENTS A. Remove sod and grass and brush before stripping topsoil. B. Wetland Soil: The top 12"-18" of wetland soils, within the limits of the project where indicated on the drawings, shall be salvaged prior to top soils striping and beginning hauling, excavating, or fill operations by excavating and stockpiling the materials at designated location in a manner that will minimize sediment damage, and not obstruct natural drainage. Wetland soil may be less than 12" deep. Strip wetland soil to whatever depths are encountered. a. Remove subsoil and nonsoil material from wetland soils, including trash, debris, weeds, roots, and other waste materials. WTF - Cathodic Protection Phase 2 Topsoil October 2011 02235-1 • L SECTION 00600 BONDS AND CERTIFICATES 00610 Performance Bond 00615 Payment Bond 00630 Certificate of Insurance 000635 Certificate of Substantial Completion 00640 Certificate of Final Acceptance 00650 Lien Waiver Release (CONTRACTOR) 00651 Lien Waiver Release (SUBCONTRACTOR) 00660 Consent of Surety 00670 Application for Exemption Certificate WTF — Cathodic Protection Phase 2 October2011 00600-1 Bonds and Certificates • C. Topsoil: Generally, the top six inches (6") of topsoil, within the limits of the project shall be salvaged prior to beginning hauling, excavating, or fill operations by excavating and stockpiling the material at designated locations in a manner that will minimize sediment damage, and not obstruct natural drainage. Topsoil may be less than six inches (6") deep. Strip topsoil to whatever depths are encountered, or a maximum of twelve inches (12"), in a manner to prevent intermingling with underlying subsoil or other waste materials. Topsoil shall be placed directly upon completed cut and fill slopes whenever conditions and the progress of construction will permit. a. Remove subsoil and nonsoil materials from topsoil, including trash, debris, weeds, roots, and other waste materials. D. No soil stockpile shall exceed ten (10) feet in height. Stockpile topsoil materials away from edge of excavations without intermixing with subsoil. Grade and shape stockpiles to drain surface water. Cover stockpiles to prevent windblown dust. Do not stockpile topsoil within tree protection zones. Stockpile surplus topsoil to allow for respreading deeper topsoil. All soil stockpiles shall be protected from sediment transport by surface roughening, watering, and perimeter silt fencing. Any soil stockpile remaining after 30 days shall be seeded and mulched. E. Topsoil shall be placed at locations and to the thickness provided in the Contract Documents and shall be keyed to the underlying material by the use of harrows, rollers, or other suitable equipment. Water shall be applied to the topsoil as designated in the Contract, in a fine spray by nozzles or spray bars so the topsoil areas will not be washed or eroded. Salvaged topsoil exceeding the quantity required under the Contract shall be disposed of at the CONTRACTOR's expense. END OF SECTION WTF — Cathodic Protection Phase 2 Topsoil October 2011 02235-2 • SECTION 02240 WATER CONTROL AND DEWATERING PART GENERAL 1.01 SECTION INCLUDES A. The work of this section consists of controlling groundwater, site drainage, and storm flows during construction. The CONTRACTOR is cautioned that the work involves construction in and around drainage channels, local streams or rivers, and areas of local drainage. These areas are subject to frequent periodic inundation. 1.02 RELATED SECTIONS A. Section 02315 — Excavation and Embankments PART PRODUCTS 2.01 MATERIALS A. On -site materials may be used within the limits of construction to construct temporary dams and berms. The materials such as plastic sheeting, sand bags, and storm sewer pipe may also be used if desired by the CONTRACTOR. • PART 3 EXECUTION 3.01 CONSTRUCTION REQUIREMENTS A. General: For all excavation, the CONTRACTOR shall provide suitable equipment and labor to remove water, and he shall keep the excavation dewatered so that construction can be carried on under dewatered conditions where required by the Drawings and Specifications. Water control shall be accomplished such that no damage is done to adjacent channel banks or structures. The CONTRACTOR is responsible for investigating and familiarizing himself with all site conditions that may affect the work including surface water, level of groundwater and the time of year the work is to be done. All excavations made as part of dewatering operations shall be backfilled with the same type material as was removed and compacted to 95% of Maximum Standard Proctor Density (ASTM D698) except where replacement by other materials and/or methods are required. The CONTRACTOR shall conduct his operation in such a manner that storm or other waters may proceed uninterrupted along their existing drainage courses. By submitting a bid, the CONTRACTOR acknowledges that he has investigated the risk arising from such waters and has prepared his bid accordingly, and assumes all of said risk. At no time during construction shall the CONTRACTOR affect existing surface or subsurface drainage patterns of adjacent property. Any damage to adjacent property • resulting from the CONTRACTOR's alteration of surface or subsurface drainage patterns shall be repaired by the CONTRACTOR at no additional cost to the OWNER. WTF — Cathodic Protection Phase 2 Water Control and Dewatering October 2011 02240-1 • CONTRACTOR shall remove all temporary water control facilities when they are no longer needed or at the completion of the project. Pumps and generators used for dewatering and water control shall be quiet equipment enclosed in sound deadening devices. B. Surface Water Control: Surface water control generally falls in to the following categories: 1. Normal low flows along the channel; 2. Storm/flood flows along the channel; 3. Flows from existing storm drain pipelines; and, 4. Local surface inflows not conveyed by pipelines. The CONTRACTOR shall coordinate, evaluate, design, construct, and maintain temporary water conveyance systems. These systems shall not worsen flooding, alter major flow paths, or worsen flow characteristics during construction. The CONTRACTOR is responsible to ensure that any such worsening of flooding does not occur. The CONTRACTOR is solely responsible for determining the methods and adequacy of water control measures. At a minimum, the CONTRACTOR will be responsible for diverting the quantity of surface flow around the construction area so that the excavations will remain free of surface water for the time it takes to install these materials, and the time • required for curing of any concrete or grout. The CONTRACTOR is cautioned that the minimum quantity of water to be diverted is for erosion control and construction purposes and not for general protection of the construction -site. It shall be the CONTRACTOR's responsibility to determine the quantity of water which shall be diverted to protect his work from damage caused by storm water. The CONTRACTOR shall, at all times, maintain a flow path for all channels. Temporary structures such as berms, sandbags, pipeline diversions, etc., may be permitted for the control of channel flow, as long as such measures are not a major obstruction to flood flows, do not worsen flooding, or alter historic flow routes. C. Groundwater Control: The CONTRACTOR shall install adequate measures tc maintain the level of groundwater below the foundation subgrade elevation and maintain sufficient bearing capacity for all structures, pipelines, earthwork, and rock work. Such measures may include, but are not limited to, installation of perimeter subdrains, pumping from drilled holes or by pumping from sumps excavated below the subgrade elevation. The foundation bearing surfaces are to be kept dewatered and stable until the structures or other types of work are complete and backfilled. Disturbance of foundation subgrade by CONTRACTOR operations shall not be considered as originally unsuitable foundation subgrade and shall be repaired at CONTRACTOR's expense. Any temporary dewatering trenches or well points shall be restored following • dewatering operations to reduce permeability in those areas as approved by the ENGINEER. END OF SECTION WTF — Cathodic Protection Phase 2 Water Control and Dewatering October 2011 02240-2 • SECTION 02315 EXCAVATION AND EMBANKMENT PART1 GENERAL 1.01 SECTION INCLUDES A. This work shall consist of excavation, embankment fill, disposal of excess material, shaping, and compaction of all material encountered within the limits of work, including excavation and backfill for structures. The excavation shall include, but is not limited to, the native soils which must be excavated for the project work. All work shall be completed in accordance with these Specifications and the lines and grades on the Drawings. 1.02 DEFINITIONS A. Unclassified Excavation shall consist of the excavation of all materials on site to final grades, excluding the bid items included in section 02220. Excavation of unsuitable material will only be paid for if it is found to be unsuitable in its original state. B. Muck Excavation shall consist of the removal and disposal of mixtures of soils and organic matter not suitable for foundation material and replacement with approved material. Material damaged due to rain or weather will not be paid for as Muck • excavation and is entirely the responsibility of the CONTRACTOR. C. Rock Excavation shall consist of igneous, metamorphic and sedimentary rock which cannot be excavated without the use of rippers, and all boulders or other detached stones each having a volume of 1/2 cubic yard or more, as determined by physical or visual measurement. It shall also include replacement with approved material as required. D. Embankment (Complete in Place): shall consist of placing all excavated material, except material being hauled and disposed, as embankment and compacted to final grades as specified in the Contract Documents and on the Drawings. 1.03 DESCRIPTION A. This work shall consist of excavation, disposal, placement, and compaction of all material encountered within the limits of the work, and not being completed under some other item, necessary for the construction of the project in accordance with the Specifications and the lines, grades, and typical cross -sections shown on the Drawings. All excavation will be classified, "unclassified excavation", or "muck excavation" or 'rock excavation", as hereafter described. All embankment will be classified "embankment material' as hereafter described. 1.04 RELATED SECTIONS • A. Section 02230 — Clearing and Grubbing WTF — Cathodic Protection Phase 2 Excavation and Embankment October 2011 02315-1 • B. Section 02240 — Water Control and Dewatering C. Section 02225 — Trenching, Bedding and Backfill 1.05 QUALITY ASSURANCE A. Final topography and/or cross -sections will be surveyed of areas that are to finished grade and compared to the design section for accuracy. Final grade shall match design grades within the tolerances discussed in PART 3 EXECUTION. PART PRODUCTS 2.01 MATERIALS A. Embankment material may consist of approved material acquired from excavations or material hauled from outside the project limits. Suitable material identified on -site shall be used first for embankments and backfill. Excess excavated native soils which are not used as embankment or backfill shall become the property of the CONTRACTOR and shall be disposed of off -site by the CONTRACTOR, in a location acceptable to the ENGINEER. B. Muck excavation shall also include the replacement of excavated muck with uniformly graded rock, riprap, on -site or imported soils, or other material whichever is most suitable for the specific situation encountered. The ENGINEER will determine • which type of aggregate or other material which shall be used after observing the specific site conditions. PART 3 EXECUTION 3.01 GENERAL EXCAVATION/EMBANKMENT A. General: The excavation and embankment for the project work shall be finished to reasonably smooth and uniform surfaces. Variation from the subgrade plane shall not be more than .08 feet in soil or more than .08 feet above or .50 below in rock. Where bituminous or concrete surfacing materials are to be placed directly on the subgrade, the subgrade plane shall not vary more than 0.04 feet. Materials shall not be wasted without permission of the ENGINEER. Excavation operations shall be conducted so that material outside of the limits of slopes will not be disturbed. Prior to beginning grading operations in any area, all necessary clearing and grubbing in that area shall have been performed in accordance with Section 02230 of these Specifications. When the CONTRACTOR's excavating operations encounter remains of pre -historic people's dwelling sites or artifacts of historical or archaeological significance, the operations, shall be temporarily discontinued. The ENGINEER will contact archaeological authorities to determine the disposition thereof. When directed, the CONTRACTOR shall excavate the site in such a manner as to preserve the artifacts encountered and shall remove them for delivery to the custody of the proper state • authorities. Such excavation will be considered and paid for as extra work. WTF — Cathodic Protection Phase 2 Excavation and Embankment October 2011 02315-2 • B. Excavation: Unclassified: All excess suitable material excavated from the project site and not used for embankment shall be removed from the project site and become the property of the CONTRACTOR. Where material encountered within the limit of the work is considered unsuitable for embankment (fills) on any portion of this project work, such material shall be excavated as directed by the ENGINEER and replaced with suitable fill material. All unsuitable excavated material from excavation consisting of any type of debris (surface or buried), excavated rock, bedrock or rocks larger than 6 inches in diameter and boulders shall be hauled from the project site and disposed of. Debris is defined as "anything that is not earth which exists at the job site". Muck: Where excavation to the finished grade section results in a subgrade or slopes of unsuitable soil, the ENGINEER may require the CONTRACTOR to remove the unsuitable materials and backfill to the finished graded section with approved material. Disposal of the material shall be at the CONTRACTOR's expense. Good surface drainage shall be provided around all permanent cuts to direct surface runoff away from the cut face. 3. Rock: Unless otherwise specified, rock shall be excavated to a minimum depth of 0.5 feet below subgrade within the limits of the pipe installation, and the excavation shall be backfilled with material shown on the Drawings or as designated by the ENGINEER. Disposal of material and replacement with suitable approved material shall be at the CONTRACTOR's expense. C. Embankment Construction: Embankment construction shall consist of constructing all fill areas, including preparation of the areas upon which they are to be placed, and the placing and compacting of embankment material in holes, pits and other depressions within the project area. Only approved materials shall be used in the construction of embankments and backfills. Approved materials shall consist of clean on -site cohesive soils or approved imported soils. On -site cohesive soils are suitable for use as compacted fill provided the following recommendations are met: Excavation and Embankment will only be paid when a significant change in grade is required, as determined by the ENGINEER. Minor cuts and fills will be considered incidental to the work, and will not be paid for separately under this section. Gradation -Inch 3/8-Inch No. 4 Sieve No. 200 Sieve WTF — Cathodic Protection Phase 2 October 2011 02315-3 Percent Finer by Weight (ASTM C136) 100 70 — 100 50 —100 60 (min) Excavation and Embankment • Liquid Limit 35 (max) • Plasticity Index 20 (max) • In -Situ Coefficient of Permeability 1 x10"e cm/sec On -site cohesive soils or imported soils should be placed and compacted in horizontal lifts, using equipment and procedures that will produce recommended moisture contents and densities throughout the lift and embankment height. On -site or imported cohesive soils should be compacted within a moisture content range of 2% below, to 2% above optimum moisture content and compacted to 95% of the Maximum Standard Proctor Density (ASTM D698). When embankment is to be placed and compacted on hillsides, or when new embankment is to be compacted against existing embankments, or when embankment is built 1/2 width at a time, the slopes that are steeper than 4:1 when measured longitudinally or at right angles to the adjacent ground shall be continuously benched over those areas where it is required as the work is brought up in layers. Benching shall be well keyed and where practical a minimum of 8 feet. Each horizontal cut shall begin at the intersection of the original ground and the vertical sides of the previous cuts. Material thus cut out shall be recompacted along with the new embankment material at the CONTRACTOR'S expense. The ground surface underlying all fills shall be carefully prepared by removing all organic matter, scarification to a depth of 8 inches and recompacting to 95% of the Maximum Standard Proctor Density (ASTM D698) at optimum moisture content + or • - 2% prior to fill placement. Embankment material shall be placed in horizontal layers not exceeding 8 inches (loose measurement) and shall be compacted to 95% of the Maximum Standard Proctor Density (ASTM D698) at optimum moisture content + or - 2%. Effective spreading equipment shall be used on each lift to obtain uniform thickness prior to compacting. As the compaction of each layer progresses, continuous leveling and manipulating will be required to assure uniform density. For embankments which serve as berms, the downstream portion shall be "keyed" into the subsurface soils a minimum of 3 feet to enhance the stability of the slope. Materials which are removed from excavations beneath the water table may be over the optimum moisture content and will require that they be dried out prior to reusing them. Cross hauling or other action as appropriate will be ordered when necessary to insure that the best available material is placed in critical areas of embankments, including the top 2 feet of all embankments. No additional payment will be made for cross hauling ordered by the ENGINEER. Frozen materials shall not be used in construction of embankments. During the construction of the channels, the channel bottom shall be maintained in • such condition that it will be well drained at all times. WTF — Cathodic Protection Phase 2 Excavation and Embankment October 2011 02315-4 • Excavation or Embankment (Fill), and Structural Backfill work either completed or in a stage of completion that is either eroded or washed away or becomes unstable due to either rains, snow, snow melt, channel flows or lack of proper water control shall be either removed and replaced, recompacted or reshaped as directed by the ENGINEER and in accordance with the Drawings and Specifications at the CONTRACTOR's sole expense. Removed unsuitable materials shall be hauled away and disposed of at the CONTRACTOR's expense. Placing of replacement materials for removed unsuitable materials shall be purchased, placed and compacted at the CONTRACTOR' expense. D. Proof rolling with a heavy rubber tired roller will be required, if designated on the Drawings or when ordered by the ENGINEER. Proof rolling shall be done after specified compaction has been obtained. Areas found to be weak and those areas which failed shall be ripped, scarified, wetted if necessary, and recompacted to the requirements for density and moisture at the CONTRACTOR's expense. Proof rolling shall be done with equipment and in a manner acceptable to the ENGINEER. Proof rolling as shown on the Drawings or as ordered by the ENGINEER shall not be measured and oaid for separately. but shall be included in the unit prices bid for the work. 3.02 EXCAVATION AND BACKFILL FOR STRUCTURES O A. Poor foundation material for any of the work shall be removed, by the CONTRACTOR, as directed by the ENGINEER. The CONTRACTOR is cautioned that construction equipment may cause the natural soils to pump or deform while performing excavation work inside and on footings, structural floor slabs, or other structure foundation areas. Foundation materials which are: a) saturated by either surface or subsurface flows due to the lack of adequate water control or dewatering work by the CONTRACTOR; b) frozen for any reason; or, c) that are disturbed by the CONTRACTOR's work or caused to become unacceptable for foundation material purposes by means of the CONTRACTOR's equipment, manpower, or methods of work shall be removed and replaced by the CONTRACTOR at his expense. Dewatering should not be conducted by pumping from inside footing, structural floor slab, or other structure foundation limits. This may decrease the supporting capacity of the soils. Care should be taken when excavating the foundations to avoid disturbing the supporting materials. Excavation by either hand or careful backhoe soil removal, may be required in excavating the last few inches of material to obtain the subgrade of any item of the concrete work. Any over -excavated subgrades that are due to the CONTRACTOR's actions, shall isbe brought back to subgrade elevations by the CONTRACTOR and at his expense in the following manner: WTF — Cathodic Protection Phase 2 Excavation and Embankment October 2011 02315-5 • 1. For over -excavations of 2 inches or less, either: Backfill and compact with an approved granular materials; backfill with 1/2 inch crushed rock; or fill with concrete at the time of the appurtenant structure concrete pour. 2. For over -excavations greater than 2 inches, backfill and compact with an approved granular material. All granular footings, structural floor slabs, or other structure areas shall be compacted with a vibratory plate compactor prior to placement of concrete, reinforcing, or bedding materials. Backfill, and fill within 2 feet of and adjacent to all structures and for full height of the walls, shall be selected non -swelling material. It shall be granular, well graded, and free from stones larger than 3 inches. Material may be job excavated, but selectivity will be required as determined by the ENGINEER. Refer to the Drawings for job specific requirements. Stockpiled material, other than topsoil from the excavation shall be used for backfilling unless an impervious structural backfill is specified. The backfill material shall consist of either clean on -site granular materials free of stones larger than 3 inches in diameter with no more than 20% passing the No. 200 sieve, or equivalent imported materials. All backfill around the structures shall be consolidated by mechanical tamping. The material shall be placed in 8-inch loose lifts within a range of 2% above to 2% below the optimum moisture content and compacted to 95% of Maximum Standard Proctor Density (ASTM D698) for cohesive • soils, or to 70% relative density for pervious material as determined by the relative density of cohesionless soils test, ASTM D4253. When specified on the Drawings or as required by the ENGINEER, Class I structural backfill shall meet the following gradation requirements: % by Weight Passing Sieve Size Square Mesh Sieves 2-Inch 100 No. 4 30 - 100 No. 50 10 — 60 No. 200 5 — 20 In addition, this material shall have a liquid limit not exceeding 35 and a plasticity index of not over 6. Impervious structural backfill, where shown or specified, shall consist of material having 100% finer than 2 inches in diameter and a minimum of 30% passing a No. 200 U.S. Standard Sieve. The material shall be placed in 6-inch loose lifts within a range of 2% above to 2% below the optimum moisture content and compacted to 95% of Maximum Standard Proctor Density for cohesive soils as determined by ASTM D698. • END OF SECTION WTF — Cathodic Protection Phase 2 Excavation and Embankment October 2011 02315-6 • SECTION 02321 CONTROLLED LOW STRENGTH MATERIAL BACKFILL (FLO-FILL) PART1 GENERAL 1.01 SECTION INCLUDES A. The CONTRACTOR shall furnish and place controlled low strength material (CLSM) backfill where shown in the Drawings. 1.02 RELATED WORK A. Section 02240 - Water Control and Dewatering B. Section 02225 - Trenching, Bedding and Backfill 1.03 REFERENCES A. ASTM C 33 - Concrete Aggregates B. ASTM C 94 - Specification for Ready -Mixed Concrete C. ASTM C 143 - Test Method for Slump of Hydraulic Cement Concrete Is D. ASTM C 150 - Portland Cement E. ASTM C 494 - Chemical Admixtures for Concrete F. ASTM C 618 - Fly Ash in Portland Cement Concrete G. ASTM D 4832 - Standard Test Method for Preparation and Testing of Soil -Cement Slurry Test Cylinders H. ASTM PS 28 - Provisional Standard Test Method for Flow Consistency of Controlled Low Strength Material I. ASTM PS 29 - Provisional Standard Test Method for Unit Weight, Yield and Air Content (Gravimetric) of Controlled Low Strength Material J. ASTM PS 30 - Provisional Standard Practice for Sampling Freshly Mixed Controlled Low Strength Material K. ASTM PS 31 - Provisional Standard Test Method for Ball Drop on Controlled Low Strength Material to Determine Suitability for Load Application 1.04 SUBMITTALS: • A. A minimum of two days prior to starting CLSM work, CLSM mix design shall be submitted for review and approval. No changes shall be made in the amounts or WTF — Cathodic Protection Phase 2 Controlled Low Strength Material Backfill October 2011 02321-1