HomeMy WebLinkAboutAddenda - BID - 7129 COLLEGE WILLOX ROADWAY IMPROVEMENTS PROJECTCity of
Fort Collins
f=1111-1►_I_1111at -
SPECIFICATIONS AND CONTRACT DOCUMENTS
Financial Services
Purchasing Division
215 N. Mason St. 2nd Floor
PO Box 580
Fort Collins, CO 80522
970.221.6775
970.221.6707
fcgov. com/purchasing
Description of Bid 7129: College/Willox Roadway Improvements Project
OPENING DATE: 3:00(Our Clock) April 19, 2010
To all prospective bidders under the specifications and contract documents described
above, the following changes are hereby made.
CHANGE:
1. Revisions to the Plans:
A. An updated "Bid Tab" has been issued to match the quantities shown in the plans.
The updated "Bid Tab" will reflect the following additions:
• 619-50080-00
1-inch Plastic Pipe
6123 LF
• 619-50100-00
1-1/4-inch Plastic Pipe
217 LF
• 619-50480-00
Waterline (6")(PVC)
5 LF
• 619-50640-00
Waterline (8")(PVC)
112 LF
• 619-75048-00
Gate Valve (6")
1 EA
• 619-75064-00
Gate Valve (8")
1 EA
• 619-78048-00
Fire Hydrant Assembly
1 EA
• 623-00186-00
%-inch Flush Unit
23 EA
• 623-00205-00
4-inch Pop up Spray Sprinkler
417 EA
• 623-03108-01
1-inch Automatic Control Valve (Turf)
26 EA
• 623-03108-02
1-inch Automatic Control Valve (Drip)
12 EA
• 623-03108-03
1-inch Automatic Control Valve (Master Valve)
3 EA
• 623-03108-04
1-inch Automatic Control Valve (PVC Ball Valve)
1 EA
• 623-04000-00
Control Wire 24 Volt (traditional system)
1499 LF
• 623-04000-01
Control Wire 24 Volt (2-wire system)
1375 LF
• 623-XXXXX-05
Design/Build Irrigation System
1 LS
The following line items have been removed from the bid tab:
0 623-03108-00 1-inch Automatic Control Valve 38 EA
7129 COLLEGE/WILLOX ROADWAY IMPROVMENTS PROJECT
Bid Tabulation
Addendum #1
COLLEGEMILLOX IMPROVMENTS PROJECT
Estimated
Quantities
Unit
Unit
Price
Total Cost
f
609-21110-02
CDOT Type 2 (Section I-B - Modified) - (Curb 3 Roundabout)
444
LF
609-21900-01
CDOT Curb and Gutter (Type 2 - 4" Mountable w/ 2' Pan See Detail for Curb 2)
255
LF
609-21900-02
CDOT Curb and Gutter (Type 2 - 6" Mountable w/ 2' Pan See Detail for Curb 4)
122
LF
609-21900-03
CDOT Curb and Gutter (Type 2) - 6" Vertical w/ 3' Pan (See Detail for Curb 5)
63
LF
609-24004-00
Gutter Type 2 4 Foot
65
LF
609-24012-00
Gutter Type 2 (12 Foot)
33
LF
609-XXXXX-00 Transition Area from 4' Gutter to Curb 1 1 238 SF
Curand Gutter:
Median Cover Material:
610-00010-00 1 Median Cover Material (Colored and Exposed Aggregate) - 4" Depth 3031 SF
ControlMedian Cover Material:
Devices:
614-80311-00 [Barricade (Type 3 F-A) 2 EA
Median
619-40060-01 3/4-inch Irrigation Stub w/ Stop Box 3 EA
619-40060-02
3/4-inch Irrigation Service w/ Meter Pit
1
EA
619-40060-02
3/4-inch Copper Pipe
30
LF
619-50080-00
1-inch Plastic Pipe
6123
LF
619-50100-00
1-1/4-inch Plastic Pipe
217
LF
619-50120-00
1-1/2-inch Plastic Pipe
117
LF
619-40120-00
1 1/2" Copper Type K
110
LF
619-50480-00
Waterline (6")(PVC)
5
LF
619-50640-00
Waterline (8")(PVC
112
LF
619-75048-00
Gate Valve (6")
1
EA
619-75064-00
Gate Valve 8"
1
EA
Pp.7
7129 COLLEGEIWILLOX ROADWAY IMPROVMENTS PROJECT
Bid Tabulation
Addendum #1
COLLEGEIWILLOX IMPROVMENTS PROJECT
Estimated
Quantities
Unit
Unit
Price
Total Cost
619-78048-0o Fire Hydrant Assembly
1
EA
619-XXXXX-01 Directional Bore College: 4" Hole with Two 2" HDPE Pullback
57
LF
619-XXXxx-02 1 - 1/2" Curb Stop and Meter Pit
Irrigation
623-00156-00 Irrigation Bubbler
1
116
LS
EA
623-00162-00
Drip Emitter Tubing
1300
LF
623-00164-00
Drip Emitter
2360
EA
623-00186-00
3/4-inch Flush Unit
23
EA
623-00205-00
4-inch Pop up Spray Sprinkler
417
EA
623-00332-00
4-inch Rotary Sprinkler
49
EA
623-01706-00
3/4-inch Backflow Preventer
3
EA
623-03108-01
1-inch Automatic Control Valve (Turf)
26
EA
623-03108-02
1-inch Automatic Control Valve Drip
12
EA
623-03108-03
1-inch Automatic Control Valve (Master Valve)
3
EA
623-03108-04
1-inch Automatic Control Valve PVC Ball Valve
1
EA
623-04000-00
Control Wire 24 Volt traditional system)
1499
LF
623-04000-01
Control Wire 24 Volt (2-wire system)
1375,
LF
623-04008-00
1-inch Quick CouplerValve
19
EA
623-05010-00
1—inch Gate Valve
1
EA
623-05010-00
1-1/4-inch Gate Valve
4
EA
623-05012-00
2-inch Gate Valve
4
EA
623-05012-00
2-1/2-inch Gate Valve
1
EA
623-08108-00
8 Station Automatic Controller
3
EA
623-XXXXX-01
2-inch Conduit Sleeving - Schedule 40 PVC
1973
LF
623-XXXXX-02
3-inch Conduit Sleeving - Schedule 40 PVC
1155
LF
623-XXXXX-03
4-inch Conduit Sleeving - Schedule 40 PVC
299
LF
P." 8
7129 COLLEGEIWILLOX ROADWAY IMPROVMENTS PROJECT
Bid Tabulation
Addendum #1
COLLEGE/WILLOX IMPROVMENTS PROJECT
Estimated
Unit
Unit
Total Cost
Quantities
Price
623-XXXXX-04 6-inch Conduit Sleeving -Schedule 40 PVC
113
LF
623-XXXXX-05 Design/Build Irrigation System 1 LS
Irrigation
Construction Surveying:
625-00000-00 Construction Surveying 1 LConstruction Surveying:
Mobilization:
626-00000-01 Mobilization 1 LS
626-00000-02 Mobilization for Milling Operations 3 EA
626-00000-03 Mobilization for Asphalt Paving Operations 3 1 EA
Mobilization:
Construction Zone Traffic Control:
630-00000-00 Flagging 100 HR
630-80355-00 Portable Message Sign Panel 210 Day
630-XXXXX-001 Construction Zone Traffic Control 1 LS
Construction Zone Traffic Control:
g and Irrigation
02935-00 Planting and Irrigation Warranty and Maintenance 1 LS
g and Irrigation
Soil Preparation,
02950-01 Import Topsoil (Parkways) 187 CY
02950-02
Import Topsoil Medians
625
CY
02950-03
Sod
24811
SF
02950-04
Hydro Mulch
0.27
ACRE
02950-05
Skyline Hone locust 2" Cal)
22
EA
02950-06
Accolade Elm (2" Cal)
4
EA
Pepe Q
7129 COLLEGEM ILLOX ROADWAY IMPROVMENTS PROJECT
Bid Tabulation
Addendum #1
COLLEGEIWILLOX IMPROVMENTS PROJECT
Estimated
Quantities
Unit
Unit
Price
Total Cost
02950-07
Skymaster Oak (2" Cal)
3
EA
02950-08
Chanticleer Pear 1.5" Cal
10
EA
02950-09
Redspire Pear 1.5" Cal
5
EA
02950-10
Red Barron Crabapple (1.5" Cal)
10
EA
02950-11
Hoopsii Blue Spruce 8' ht
3
EA
02950-12
Feather Reed Grass (Size = 1 Gallon)
177
EA
02950-13
Purple Maiden Grass Size = 2 Gallon)
130
EA
02950-14
Blue Avena Grass (Size = 1 Gallon)
152
EA
02950-15
Russian Sae Size = 5 Gallon
34
EA
02950-16
Andorra Youngstown Juniper Size = 5 Gallon)
70
EA
02950-17
Dwarf Fountain Grass Size = 1 Gallon)
51
EA
02950-18
Black -Eyed Susan (Size = 1 Gallon)
59
EA
02950-19
Cobble Mulch
60
SF
02950-20
Mulch
6568
SF
02950-21
Boulders (.75 Ton - 1 Ton)
2
EA
02950-22 Boulders (1 Ton - 1.5 Ton) 8 EA
Preparation,Planting, Soil
College
304-09014-04
CollegeNorth
Market Private Drives: North Entrance off off College Willox Entrance:
Aggregate Base Course Class 5 or 6) - 7" Depth 856
TONS
306-01000-02
Reconditioning 12" Depth)
2223
Sy
403-34721-01
Hot Mix Asphalt (Grading S) (75) (PG 58-28) - (5.5" Depth)
577
TONS
608-00350-03
Concrete Splashguard (Colored and Stamped) - (4" Depth)
134
Sy
609-21010-00
CDOT Type 2 Section I-B - 1' Infall Curb and Gutter
937
LF
7129 COLLEGEIWILLOX ROADWAY IMPROVMENTS PROJECT
Bid Tabulation
Addendum #1
COLLEGEIWILLOX IMPROVMENTS PROJECT
Estimated
Quantities
Unit
Unit
Price
Total Cost
609-21010-01 CDOT Type 2 (Section I-B) - 1' Outfall Curb and Gutter
201
LF
609-21020-01 CDOT Type 2 (Section II-B) - 2' Vertical Curb and Gutter
272
LF
TOTAL BASE BID
$
TOTAL IN WORDS
Py it
'
CRE:T'..
OITAL
B30
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71 \
I
GRAPE STREET WATERLINE
NOTES'
oNSTRucON T,IIwu ae w AccowoANCE WITH clTv ov FORT cowNssrANDwRos MD SPEcuxATrorls.
Ca TRATCMRTocoono11A WITNTHECITYWATERANo WASTEWATERoEPARTNENrF MCO,SRucnoN.
a.ue,ITsor PAVEMENTREMOVALWILLse DE RNINEDINTHEFIELDSA DONE ISTINGCONCRETEJaITS.
a. NEW WATERLINE IAAY BE OFEN cur WITH THE TRENCH coNFLErELY FLOWFILLED OR a.AY BE DIRECT SORE°.
icuss;iUw SNTRuwBBERw 6--CuI—ISO)— TRACER WIRE. FIRE HYWn T LEAD SHALL BE Rvc cem
FILO. TNRusT RESTRAINT.TRACER WIRE. ANO ANY oTNER
APPUIrtENANCES ME wCIDENTALTO THE WATERLINE. I—OUMTITESSHALLM:
NEE"-3 s�
GATE _1-a"- I EACH
B. CONTRACTOR TO YEIm LOCATION Of ALL EnsT6NG UTUTIEs.
CONSTRUCTION. WILL BE RESPONSIBLE FOR TESTING AND TRAFFIC CONTROL RELATED TO THIS WATERLINE
LOWERING IS REQUIRED, R WILL BE INCIOENTALTO THE WATERLINE
coSr.Cor�Twcr ENGINEER IF c«IUCTS ME FNu .
10. TRACER STATIONS WILL BE INSTALLED ADUACENTTOTHE —STING AND PROPOSED FIRE HYDRANTS.
BETE PAVEMENT REIADVAL WILL BE PAID UNDER—I-ALOFCONCRETE PAVEMENT IPATCHI 1 AN.
ASUREDINTIEFIE D. CONCRETEPAYEHENTREPLACE TWILLIEP.,NUNDER CONCRETEPwYENENTIB
DEPTH) .IPATGHINGIAND WILL BE MEASURED IN THE FIELD."`
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I
a:yDs COLLEGE WILLOX IMPROVEMENTS PROJECT 24A
CITY OF FORT COLLINS, COLORADO Fort Collins L+Po Es
ENGINEERING DIVISION E a
r-ao aoai»ilo aco Br: IN _ GRAPE STREET WATERLINE 65
ATTACHMENT A
SECTION 02935 — PLANTING AND IRRIGATION MAINTENANCE
Part 1 — GENERAL
1.1 Scope
Complete landscape maintenance of designated areas as specified herein. During and at the end of
the maintenance period, all plant material shall be in a healthy, growing condition. The Contractor
shall provide all equipment, labor, and materials necessary for performing landscape maintenance
and irrigation services according to the following specifications. The awarded Contractor shall be
responsible for the full maintenance of the installed landscaping for two (2) years after final
completion.
The Contractor shall be required (by this contract) to enter into a separate maintenance agreement
and the terms of that maintenance agreement spelled out in these project specifications.
1.2 Quality of Work
All work shall be performed in accordance with the best landscape maintenance practices and
irrigation management practices as per ALCC Best Management Practices and Green Co Best
Management Practices.
1.3 Lost and Found Articles
The Contractor shall insure that all articles found by his employees while performing duties under
this contract are turned in to the Project Manager.
1.4 Contractor Responsibility for Work
The Contractor shall be responsible for all damages, losses or injuries that occur as a result of the
fault or negligence of said Contractor or his employees in connection with the performance of this
work.
1.5 Personnel
The Contractor shall furnish sufficient supervisory and working personnel capable of promptly
accomplishing to the satisfaction of the City and on schedule all work required under this contract
during regular and prescribed hours. The Contractor and his employees shall conduct themselves
in a proper and efficient manner at all times. They shall cause the least possible annoyance to the
public.
The City may require the Contractor to remove from the work site any employee(s) deemed
careless, incompetent, or otherwise objectionable, whose continued employment on the job is
considered to be contrary to the best interests of the City.
The Contractor shall have competent supervisors, who may be working supervisors, on the job at
all times work is being performed, who are capable of discussing matters pertaining to this
contract with the Project Manager. Adequate and competent supervision shall provide for all work
done by the contractor's employees to ensure accomplishment of high quality work, which will be
acceptable to the Project Manager.
Each Contractor crew shall have at least one English-speaking crew chief able to translate
directions to the remaining crew members.
t.6 Company Identification
The employees shall wear clothing that identifies them as employees of the Contractor's company
at all times they are working under this contract. Company vehicles shall have a company -
identifying marker prominently displayed.
College and Willox Landscape Improvements SECTION 02935 — PLANTING AND IRRIGATION
MAINTENANCE
Page 1 of 7
1.7 Subcontractors
All persons engaged in the work will be considered employees of the Contractor. The Contractor
shall be held directly responsible for the work of all employees.
1.8 Repairs to Existing Facilities
All portions of existing structures, facilities, or equipment (including irrigation systems) which are
damaged or altered in any way, as a result of the Contractor's performance shall be repaired or
replaced to a like new condition.
The Contractor at no cost to the City shall perform all work of this kind. Repairs shall be made on
the day of damage or alteration, unless otherwise directed by the City.
1.9 Vandalism
Existing structures, facilities, or equipment (including irrigation systems) which are damaged or
altered in any way, including acts of God, vandalism, vehicular damage, theft, or other mysterious
damages that are not a result of the Contractor, shall be repaired at City expense by the Contractor
on a time and materials basis. This does not include any irrigation riser and nipples that shall be
repaired as routine maintenance.
1.10 Safety Requirements
All work performed under this contract shall be in such a manner as to provide maximum safety to
the public and where applicable comply with all safety standards required by OSHA. The Project
Manager reserves the right to stop the Contractor or his crews when unsafe or harmful acts are
observed or reported relative to the performance of work under this contract.
1.11 Hazardous Conditions
The City will be responsible for all hazards in the contract areas that are not a result of the
Contractor's work. The City will not be responsible for hazards created by the negligence or
omissions of the Contractor. Any hazardous condition noted by the Contractor, which is not a
result of his work shall be immediately reported to the Project Manager at 970.218.5658 or the
Parks Division at 970.221.6660.
1.12 Traffic Control
The Contractor shall conduct the work at all times in a manner that will not interfere with normal
pedestrian traffic on adjacent sidewalks. Interference wth vehicular traffic shall be in accordance.
With the City's traffic control policies and regulations.
1.13 Maintenance Performance Inspections
The City will inspect all areas under this contract for adherence to the specifications. Any
deficiencies or deviations in the work will be submitted to the Contractor for immediate
correction.
1.14 Payment Process
The Contractor will be paid monthly for work performed satisfactorily under this contract. Within
the first five (5) days of the month, the Contractor, shall submit a detailed report of maintenance
performed in the prior month. The report shall include (but not limited to) the following
information: number of complete mowings, number of complete irrigation inspections, schedule
changes, major work to be performed in the coming month, and any other pertinent information.
The use of pesticides or fertilizations shall be noted as to date, time, area and, what material was
used. This report shall be accompanied by a billing in accordance with the contract price for the
work performed and shall become the basis for payment. The City may withhold payment to such
extent as may be necessary to protect the City from loss due to work required in the specifications
which is defective, inadequate, incomplete or not performed. See Work Evaluation Standard
below.
College and Willox Landscape Improvements SECTION 02935 — PLANTING AND IRRIGATION
MAINTENANCE
Page 2 of 7
Contractor shall be required to continue payment and performance bonds until the end of the
maintenance agreement.
1.15 Scheduling of Work
The Contractor shall accomplish all normal landscape maintenance required under this contract
between the hours of 7:00 a.m. and 6:00 p.m., Monday through Saturday. No maintenance
functions that generate excessive noise shall be performed before 8:00 a.m. in residential areas
(i.e. mowing).
The Contractor must also have the ability to respond to an urgent call within 45 minutes or less of
receiving the call.
The Contractor shall establish a schedule of routine work to be followed in the performance of this
contract. A copy of this schedule shall be provided to the City at the pre -work meeting and
updated with the monthly submittal.
2.0 Irrigation
Irrigation shall be accomplished by the use of automatic sprinkler systems.
2.1 Time of Operation
The automatic sprinkler systems shall operate between the hours of 10:00 p.m. and 7:00 a.m. only.
System checks may be run during the day and time shall be kept to a minimum. No make up
watering will be allowed during the day. Newly planted sod or seed may be watered up to twice
during the. day, but only with irrigations zones needed. During periods of drought, predetermined
city schedules may take precedence.
2.2 Water Application Rates
The programming of all irrigation controllers shall be scheduled by a Certified Irrigation
Technician with one or more of the following certifications: "Associated Landscape Contractors
of Colorado" CLT-Irrigation, "Irrigation Association", Landscape Water Auditor, or "Irrigation
Association" Certified Irrigation Designer. The irrigation controllers shall be adjusted monthly to
meet monthly Ets (evaporation transpiration) averages.
Turf shall be irrigated to maintain horticulturally acceptable growth and color while encouraging
deep rooting. Trees and shrubs shall be watered to prevent wilting and color loss. Water shall be
applied so that runoff is avoided and applied to match the needs of the turf, tree or shrub bed being
irrigated. Daily watering shall be avoided, every third day irrigation is recommended. Turf that
shows signs of drought stress (foot printing), wilting or browing shall receive immediate attention.
Any loss of turf shall require re -sodding at the Contractor's expense. The Contractor shall submit
a scheduling report with scheduling criteria and each controller's operating schedule.
Water use on turf areas shall be monitored and excessive water use as determined by the Project
Manager shall be at the Contractor's expense.
2.3 Tree and Shrub Bed Irrigation
Trees shall be watered so that they receive 40 gallons of water a week during May, June, July,
August and the first two (2) weeks of September. Shrubs shall receive 5 gallons of water per week
during the same time frame.
Schedules may need to be adjusted at the request of the Forestry Division. Mature areas that have
irrigation systems may not have this requirement, at the discretion of the Project Manager.
2.4 Water Conservation and Restrictions
Watering schedules must meet restrictions set forth by City of Fort Collins Utilities. Any fines or
penalties due to failure to follow watering restriction will be the responsibility of the Contractor.
This is even more important in times of drought.
College and Willox Landscape Improvements SECTION 02935 — PLANTING AND IRRIGATION
MAINTENANCE
Page 3 of 7
2.5 Operation of Automatic Irrigation Controllers
The Contractor shall protect the security of irrigation controllers by keeping the controller cabinet
doors locked at all times. Any stolen or vandalized controls as a result of unlocked cabinets shall
be replaced at Contractor's expense. Remote control and hand held programmers shall be
protected from and shall be replaced at Contractor's expense in case of loss or damage. Care
should be exercised in the operation of automatic controllers. Any defective or nonfunctioning
controller shall be reported to the Project Manager.
2.6 Routine System Maintenance
The Contractor shall perform routine maintenance on the sprinkler system components on an
every week to ten (10) day cycle. Routine maintenance shall include the following maintenance
tasks:
1. Unplugging components i.e. valves, heads, piping, etc. rendered nonfunctional due to rock,
rust, debris, etc. Making all routine arc adjustments for part circle heads to promote optimum
coverage.
2. Check controller programming and reschedulintg as needed (refer to 2.02 water application
rates).
3. Repairing/replacing all broken risers and nipples. This applies to all risers and nipples
regardless of reason for failure.
4. Replacing batteries in controllers each spring and as needed.
Any replacement equipment or parts must be of the same brand, model number, nozzle size and
new unless authorized by the Project Manager. The Contractor shall maintain sprinkler systems in
such a way as to insure proper coverage and full working capability.
2.7 Sprinkler System Repair
Throughout the 24-month extended maintenance period, repair work shall be the responsibility of
the Contractor.
2.8 Sprinkler System Spring Start Up
The Project Manager will schedule water turn -on through the Water Utility. Contractor is not to
turn any curb stop or street valve. The Contractor shall turn on each sprinkler system at the meter.
Mainlines shall be filled slowly and each zone activated by use of the automatic controller visually
inspecting each head for performance and coverage. Repairs will be made prior to system being
used for irrigation purposes. Visually inspect each backflow device for proper operation.
2.9 Sprinkler System Winterization
The Project Manager will schedule water turn-off through the Water Utility. The Contractor shall
turn off the sprinkler system at the meter. Air shall be forced through the system via the blowout
tubes on the systems. Air shall pass through each system expelling all water. Care shall be taken
when blowing out, as excessive pressure will damage the sprinkler system. It is recommended
that air pressure does not exceed normal irrigation system operation pressures. Backflow device
ball valves should be left in a partial open or partial closed position to prevent damage from
trapped water that will freeze. A second blowout may be necessary on larger systems. Contractor
will be responsible for any freeze damage. This should be scheduled no later than October 31
(smaller systems and backflow devices will freeze rapidly). Do not wrap backflow devices with
insulation.
3.1 Irrigated Turf Mowing
All lawn areas included in this contract shall be mowed with either power reel -type or rotary
mowers. The mower blades or reel shall be sharpened and maintained so as to provide a smooth,
even cut without tearing. The cutting adjustment will provide a uniform, level cut without ridges
or depressions. Mowing height shall be set at 2-Y.
College and Willox Landscape Improvements SECTION 02935 — PLANTING AND IRRIGATION
MAINTENANCE
Page 4 of 7
B. An additional sheet has been added to the planset outlining the installation of an 8"
waterline across N. College Avenue. The line will be an extension of an existing 6"
waterline as shown on the attached plans. The line will end at a hydrant located on
the west side of College Avenue. It is anticipated that the waterline will be installed
by open cutting N. College Avenue. The following outline additional line items added
to the project in order to accomplish this work:
• Waterline (6")(PVC)
5 LF
• Waterline (8")(PVC)
112 LF
• Gate Valve (6")
1 EA
• Gate Valve (8")
1 EA
• Fire Hydrant Assembly
1 EA
Please reference the updated bid tab for item codes associated with the additional
line items.
Il. Revisions to the Project Specifications:
A. Please include the attached specifications for landscaping. See Attachment A.
III. Clarifications of the Plans and Specifications:
A. The two inch plastic pipe specified in the plans is for irrigation sleeves for mainline,
laterals, and wire runs. This item can be found under the following:
• 623-XXXXX-01 2-inch Conduit Sleeving — Schedule 40 PVC
B. The 2-1/2" plastic pipe specified on the plans is for irrigation sleeves for mainline,
laterals, and wire runs. This item was upsized to 3" conduit and can be found under
the following:
• 623-XXXXX-02 3-inch Conduit Sleeving — Schedule 40 PVC
C. The following bid item has been added to the project:
• 623-XXXXX-05 Design/Build Irrigation System
The intent of this item will be the design and installation work to irrigate
approximately 4000 square feet (total) of sod at the following locations:
Albertsons/Bullfrog Liquors
Mini Mart
McDonalds
SE comer of College/Willox Intersection
Mowing shall be performed so that no more than one-third (1/3) of the grass blade is removed
during each mowing in returning the grass to the accepted height or one time per week whichever
is most often. Mowing may be in excess of once per week during fast growth periods.
Any damage to turf, trees, shrubs, sprinkler system components, buildings, or other objects during
trimming or mowing operations shall be repaired at the Contractor's expense.
3.2 Mowing Frequency Irrigated Turf
All irrigated turf areas (including areas where only trees are irrigated) will be mowed on a weekly
basis or when a mowing would cut one third of the grass blade, whichever is most often.
3.3 Mowing Frequency Non -Irrigated Turf
Mowing shall be performed depending on the growth of the turf. This turf will grow rapidly in the
early season and go dormant with the heat of summer and may pick up again in the cool of fall.
The last mowing should be timed to either pick up or mulch the remaining leaves of the season.
The Contractor should plan on 12 mowings scheduled approximately as follows:
April one (1) time.
May four (4) times.
June three (3) times.
July one (1) time.
August one (1) time.
September one (1) time.
October one (1) time.
TOTAL = 12 times
4.0 Edging and Trimming
4.1 Turf Grass Trimming
After each mowing, the grass around all obstructions (such as vacuum breakers, fences,
controllers, curbs, trees, etc.) will be trimmed to match the height of the open turf areas. Trimming
shall be accomplished around irrigation system sprinkler heads as necessary to permit maximum
water coverage by the system.
4.2 Weed Eater Care
Extreme care shall be utilized when trimming around trees with any trimming device. Any marks,
chipped bark, or girdling by a string trimmer, mower or other device will result in a penalty
assessed by the Project Manager. The use of herbicides (i.e. Roundup) around the tree trunks (no
wider than eighteen (18) inches from the base) is encouraged.
A representative from the Forestry Division is available to meet with Contractor personnel to
discuss turf trimming around trees and its effects on trees. The Project Manager will discuss the
resulting penalties with the Contractor.
5.0 Clippings Removal
5.1 Cleanup
Any visible grass clippings left on sidewalks, streets, or turf areas shall be
removed or spread to eliminate dead spots from heavy turf clippings. This
shall be done after each mowing and trimming.
College and Willox Landscape Improvements SECTION 02935 — PLANTING AND IRRIGATION
MAINTENANCE
Page 5 of 7
5.2 Removal
If clippings are picked up due to heavy clumps they shall be removed to an approved site,
preferably for mulching. However, it is recommended that grass catchers not be used as it causes
loss of turf nutrients.
6.0 Other Turf Needs
6.1 Fertilization
The Contractor shall take soil samples and have them analyzed by a qualified laboratory. Based
on the soil report, the Contractor shall make a written recommendation for fertilization
requirements. A schedule for fertilization will be drawn up and submitted for approval of the
Project Manager. A minimum of one spring and one late fall application would be needed for
irrigated turf. No fertilization will be required for non -irrigated turf or shrub beds.
7.0 Litter, Trash, Debris and Pruning
7.1 General
All areas covered under this contract shall be kept free of all trash, debris, tree limbs, branches and
other foreign matter on a weekly basis during the growth season and biweekly during the winter.
7.2 Pre -Mowing Cleanup
The Contractor will remove all paper, tree branches and limbs, rubbish, or other debris from each
area prior to mowing. Mowing over paper and debris is considered an unsafe and unacceptable
practice.
7.3 Spring Cleanup
The Contractor during the first four weeks shall remove all debris, leaves, paper, branches,
rubbish, etc. from all areas before any other maintenance activities commence.
7.4 Fall Cleanup
During the term of this contract, leaves shall be the responsibility of the Contractor. Removal or
approved mowing with a mulching mower (attachment) shall be the methods used to control the
build up of falling leaves. The final mowing of the season shall be after 90% of leaves have fallen
to promote a well cared for looking turf. Leaves must be removed from all shrub beds and areas
where leaves collect on both medians and parkways.
7.5 Tree Sucker Growth
Suckers shall be removed from trees as they appear. Clipping them off shall be the preferred
method.
7.6 Shrub Pruning
Shrubs and bushes shall be kept trimmed so that they hold a compact shape and do not extend
outside the median line or over splash block.
7.7 Tree Pruning
The City shall do all tree pruning. The Project Manager shall request any trees that need to be
pruned for safety of Contractor personnel through the City Forestry Division. Contractor shall
request all pruning through the Project Manager.
Work Evaluation Standards
1.0 Work Rating
The quality of wok and performance are important to the Coty and reflect on the City and
Contractor. To establish compliance with the specifications found above, the following penalties
College and Willox Landscape Improvements SECTION 02935 — PLANTING AND IRRIGATION
MAINTENANCE
Page 6 of 7
shall be used in case of insufficient performance by the Contractor. The Project Manager shall
rate the quality and performance.
1.1 Penalties
A penalty shall be invoked when an inspection report reveals a maintenance item
(i.e. mowing, trimming, sprinkler maintenance, weeding, trash pickup, etc.) was done
unsatisfactorily in accordance with the standards set forth in this specification. The Contractor
will be given a minimum of two (2) working days to correct the deficient work. If the work after
this time period remains unsatisfactory, the following percentage of the total calculated monthly
billing would be deducted as penalty:
Number of Deficient Degree Penalty Maintenance Operations
One - 5% of monthly billing
Two - 10% of monthly billing
Three - 15% of monthly billing
Four - 20% of monthly billing
Five or more - 25% of monthly billing
At the point of more than five (5) deficient operations, the Contractor may be found in default of
the contract and removed for no cause.
Damage to trees by string trimmers or mowers will be penalized at $25.00 per occurrence. If the
Project Manager were notified prior to an inspections notice the penalty would be reduced to
$10.00. Any penalties would be deducted from the next monthly billing.
Money withheld as a penalty from any monthly payment due the
Contractor will be considered a forfeiture on the part of the Contractor and not
recoverable.
The intent of this contract is to provide a well maintained landscape with regard
to the specifications. Adherence to the specifications will make it unnecessary
to invoke penalties.
END OF SECTION
College and Willox landscape Improvements SECTION 02935 — PLANTING AND IRRIGATION
MAINTENANCE
Page 7 of 7
SECTION 02950 — PLANTING, SOIL PREPARATION, FINISH GRADING
PART 1 - GENERAL
1.01 Related Documents
A. Drawings and general provisions of the Contract, including, General and Supplementary Conditions
and Project Special Provision Sections, apply to this Section.
1.02 Summary
A. Scope
1. Topsoil, soil preparation and soil amendments
2. Finish grading
3. Fertilizer
4. Bark and Cobble Mulches
5. Hydro Mulch
6. Weed Barrier
7. Landscape Boulders
8. Tree Stakes, Guys and Tree Wrap
9. Plant Materials
10. Sod
11. Seeding
B. Related Sections
1. Section 02935 — Planting and Irrigation Maintenance
1.03 References
A. Colorado Department of Transportation Standard Specifications for Road and Bridge Construction —
Section 623 — Irrigation Systems and all others that pertain.
B. Larimer County Urban Area Street Standards — Chapter 22
1.04 Protection
A. Protect landscaping and other features remaining as final work.
B. Protect existing structures, fences, sidewalks, utilities, paving, and curbs.
1.05 Samples, Submittals and Quality Assurance
A. Organic Amendment: Submit sample in a plastic baggie. Product delivered to site shall match the
submitted sample.
B. Organic Amendment Analysis: Submit copies of amendment analysis from qualified soil testing
laboratory.
C. Organic Amendment: Submit organic amendment delivery receipts to owner's representative for
review.
D. Soil Analysis: Submit copies of soil test results from CSU lab. Submit copies of CSU cover letter with
recommendations that are provided with soil test.
College and Willox Landscape Improvements SECTION 02950 — PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 1 of 14
E. Fertilizer:
1. Submit copy of sod fertilizer composition to be used and supplier source.
2. Submit sample of Osmocote fertilizer in a plastic baggie.
F. Organic and Cobble Mulch:
1. Cobble Mulch: Submit sample of Cobble Mulch.
2. Bark Mulch: Submit sample of proposed mulch in a plastic baggie. Submit name of proposed
supplier.
3. Tackifier: Manufacturer's product sheet.
G. Weed barrier: Submit brand name and model number/name of proposed weed barrier to be used.
H. Tree Stakes, Guys, Webbing, and Guying cord. Submit sample of each.
1. Sod: Submit written statement of company to be used for sod supply. Statement shall include phone
number and address of company. Submit sod certification for species.
J. Seed: Submit written statement on supplier's letterhead of Manufacturer's specifications, tests (within
6 months of application), seed mixes, quantities, and seed tags from bags on day of seeding operations.
K. Imported Topsoil: Identify source and submit soils test laboratory analysis and fertilizer/amendment
recommendations.
1.06 Inspections
A. Site Inspection:
Contractor will inspect existing site conditions and note irregularities affecting the work of this
section. Verify that grading operations have been satisfactorily completed and that topsoil of
adequate quantity and quality has been placed in areas as specified. Verify that the areas to be
revegetated are protected from concentrated runoff and sediment from adjacent areas. Note
previous treatments to the areas such as temporary seeding or mulching and discuss with the
Owner's Representative how these treatments will affect permanent revegetation. Report
irregularities affecting work of this section to the Owner's Representative before initiating work.
When the Contractor begins work under this section, it implies acceptance of existing conditions.
2. Contractor shall notify Owner's Representative prior to start of work. Owner's Representative
will be responsible to monitor the work.
B. Pre -planting Inspections:
1. Plant material shall be inspected by a Owner's Representative before planting. Inspection of
materials may be sequenced by major planting areas to accommodate efficient planting operations.
Plants for inspection must be in a single location preferably on the project site. Rejected materials
must be removed from the site, replaced and reinspected before planting. If the supplier is a local
nursery, tagged plants may be inspected at the nursery. Photographs of the plant materials to be
obtained from non -local sources may be submitted to the City Owner's Representative for
preliminary inspection. This preliminary inspection is subject to final approval of plants at the job
site. The Owner reserves the right to reject plant material at any stage of construction or
guarantee period.
2. Soil amendments, backfill mixes and mulches will be inspected at the site by the Owner's
Representative before they are used in planting operations.
3. Owner's Representatives will inspect staked locations of trees before digging for those plants
occurs. Owner's Representatives will inspect the location of shrubs in their containers at the
proposed locations before digging commences. Contact Owner's Representative at least two days
in advance.
College and Willox Landscape Improvements SECTION 02950 — PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 2 of 14
C. Substantial Completion Inspection:
1. As soon as all planting is completed, a review and preliminary inspection to determine the
condition of the vegetation will be held by the Owner's Representatives upon request by the
Contractor.
2. The inspection will occur only after the following conditions have been met:
a. Landscape areas will be free of weeds and neatly cultivated;
b. Plant basins shall be in good repair;
c. Irrigation systems shall be fully operational with heads properly adjusted;
d. Debris and litter shall be cleaned up and walkways and curbs shall be cleaned of soil and
debris left from planting operations.
3. If, after the inspection, the Owner's Representative is of the opinion that the work has been
performed as per the Contract Documents, and that the vegetation is in satisfactory growing
condition, he will give the Contractor Written Notice of Acceptance and the Guarantee
Period shall begin.
4. Work requiring corrective action in the judgment of the City Representative shall be
performed within the first ten (10) days of the guarantee period. Any work not performed
within this time will necessitate an equivalent extension of the guarantee period. Corrective
work and materials replacement shall be in accordance with the Contract Documents, and
shall be made by the Contractor at no cost to the Owner.
5. Final approval and Substantial Completion notice will be given when all deficiencies are
corrected.
D. End of Guarantee Period Inspection:
1. At the end of the second full growing season the Owner's Representatives will inspect trees
for satisfactory condition. The inspection shall take place in September and the Owner's
Representative shall contact the Contractor concerning replacements. Replacements may take
place the following spring if deemed proper or necessary.
2. The Contractor is responsible for removal of tree stakes, wire and webbing at the end of the
guarantee period.
1.07 Plant Material GuaranteeMarranty
A. Provide a two-year warranty (unless noted otherwise) from the date of Substantial Completion.
Substantial Completion is hereby defined as the point at which the Landscape Contractor is 100%
complete with installation and is ready for a Substantial Completion Review. The Owner's
representative will have sole authority to grant Substantial Completion. The minimum two-year
warranty includes all aspects of this section (except seed) including installation, and materials.
B. Guarantee plant material used in this section against defects due to any cause for a period of two full
growing seasons from the date of acceptance of all work. This guarantee includes insect infestation
or infection by disease organisms.
C. Replace woody vegetation when it is no longer in a satisfactory condition as determined by the City
Representative for the duration of the Warranty Period. Make replacements within fourteen days of
notification from the City Representative. Replacement planting for trees shall be done in the spring
planting season, except as approved otherwise. If a tree is in marginal condition at the end of the
guarantee period it may be agreeable to both parties to wait until the end of the growing season before
deciding whether to replace that tree. Plant materials that are replaced during the warranty period shall
be replaced one time at the Contractor's expense. Cost of subsequent replacements, if required, shall be
negotiated with.the Owner's Representative. Warranty replacement plant materials planted within 6
months after Substantial completion shall have the same end of warranty as the original installation.
College and Willox Landscape Improvements SECTION 02950 — PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 3 of 14
Plants replaced within 6 months of the end of the warranty shall be warranted an additional 6 months
after the date of completion of the initial warranty period.
D. This guarantee will not be enforced should woody vegetation die due to vandalism; improper
maintenance procedures carried out by the Owner involving over or under watering, lawn mower
damage, over -fertilization, fire, flood, or hail or other similar circumstances beyond the control of the
Contractor.
E. It is the responsibility of the Landscape Contractor to monitor ongoing maintenance of the project
during the warranty period. If the Landscape Contractor finds fault with ongoing maintenance activities
of the Maintenance Contractor, they shall be immediately brought to the attention of the Owner's
Representative. The warranty will in no way be invalidated because of activities of the Maintenance
Contractor unless approved by the Owner's Representative.
F. Replacements shall be of the same kind and size as originally specified and shall be installed as
described in the contract documents unless changes are approved by City Representatives. Repairs and
replacements shall be made at no expense to the Owner.
1.08 Seed Warranty/Guarantee
A. Guarantee seed against defects for a period of one growing season from the date of final acceptance.
B. This guarantee will not be enforced should seeded area die due to vandalism, improper maintenance by
Owner, lawn mower damage, or other circumstances beyond the control of the Contractor.
C. Replace seeded turf when it is no longer in a satisfactory condition as determined by the Owner's
Representative for the duration of the guarantee period.
D. Areas seeded in the spring shall be inspected for required coverage the following fall no later than
October. Areas seeded in the fall will be inspected October of the following year.
PART 2 - MATERIALS
2.01 Organic Amendment
A. Organic Amendment shall be A-1 Organic, Colorado Compost (Windsor 686-5121), or equivalent
approved 7 days prior to bidding. Compost shall meet the following specifications: A totally organic
product (Mountain peat is not acceptable in the amendment) that has been aerobically and naturally
processed without the addition of coarse wood chips, in such a manner as to maintain a consistent
temperature of 140 degrees Fahrenheit or greater for a period of time sufficient to create the following
characteristics, measured by dry weight:
1. Maximum allowable organic matter: 60%
2. Organic matter to nitrogen ratio 25:1.
3. pH: 6.5 to 7.5
4. Soluble Salts: 1.0 to 2.0 mmhos.
5. Less that 40% inorganic matter.
6. Less than 5% soil, dirt, or sand
7. Maximum particle size of %" diameter
8. Eradication of all harmful weed seeds, pathogens, and bacteria.
9. A well decomposed earthy smell (non -offensive)
College and Willox Landscape Improvements SECTION 02950 — PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 4 of 14
2.02 Topsoil
1. Planting Soil: Imported topsoil or manufactured topsoil from off -site sources is required ONLY when
existing/stockpiled onsite topsoil quantities are insufficient. Obtain topsoil displaced from naturally
well -drained construction or mining sites where topsoil occurs at least 4 inches deep; do not obtain
from agricultural land, bogs or marshes.
2. Additional Properties of Imported Topsoil or Manufactured Topsoil: Screened and free of stones 1
inch or larger in any dimension; free of roots, plants, sod, clods, clay lumps, pockets of coarse sand,
paint, paint washout, concrete slurry, concrete layers or chunks, cement, plaster, building debris, oils,
gasoline, diesel fuel, paint thinner, turpentine, tar, roofing compound, acid, and other extraneous
materials harmful to plant growth; free of obnoxious weeds and invasive plants including quackgrass,
Johnsongrass, poison ivy, nutsedge, nimblewill, Canada thistle, bindweed, bentgrass, wild garlic,
ground ivy, perennial sorrel, and bromegrass; not infested with nematodes, grubs, other pests, pest
eggs, or other undesirable organisms and disease -causing plant pathogens; friable and with sufficient
structure to give good tilth and aeration. Continuous, air -filled, pore -space content on a
volume/volume basis shall be at least fifteen (15) percent when moisture is present at field capacity.
Soil shall have a field capacity of at least fifteen (15) percent on a dry weight basis.
B. Planting Soil: Onsite / Stockpiled topsoil
Re -use surface soil stockpiled onsite if available. Verify suitability of stockpiled soil to produce
topsoil. Clean surface soil of roots, plants, sod, stone, clay lumps and other extraneous materials
harmful to plant growth.
a. Supplement with imported or manufactured topsoil from off -site sources, when quantities are
insufficient. See Item A. above.
2.03 Fertilizer:
A. Fertilizer for turf shall be commercial type, of uniform composition, free flowing, and conforming to
applicable state and federal laws. Fertilizer shall be formulated to meet the suggestions of the CSU soil
laboratory for turf fertilization.
B. Fertilizer for trees, shrubs, and perennials shall be Osmocote Sierrablen, 9 month slow release
fertilizer. Apply per manufacturer's recommendations.
C. Bone Meal. Commercially available brand. Submit proposed formulation and company name.
2.04 Cedar Mulch
A. Fibrous Shredded Cedar Mulch shall be used in planting beds.
2.05 Weed Barrier
A. Weed barrier shall be - Mirafi 140, Typar 3341, or Polyspun 300 or approved equivalent.
2.06 Cobble Mulch
A. Provide a mix of 3" to 6'' diameter washed river rock. Use 25% to 30% of the 6" diameter river rocks.
Tan -beige color range.
2.07 Hydromulch
A. Mulch all seeded areas, including those seeded over remaining vegetation, hydro
mulch with Conwed 200 and an organic tackifier or approved substitute:
College and Willox Landscape Improvements SECTION 02950 — PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 5 of 14
1. Virgin wood cellulose fiber: May not contain any substance or fiber that may inhibit
germination or growth of grass seeds and plants.
2. Dye to appropriate color to allow proper metering of application.
3. Fibers must have ability to become evenly dispersed and suspended when agitated in
water.
4. When sprayed uniformly on surface of soil, fibers shall form blotter - like ground cover
which readily absorbs water, and allows infiltration to underlying soil.
5. Weight specifications shall refer only to air dry weight of fibers with a standard moisture
content of ten (10) percent.
6. Mulch material shall be supplied in containers not weighing over one -hundred (100)
pounds and showing air dry weight of fibers.
7. Organic tackifier may be supplied with hydro mulch fibers or be added at a later time.
8. Suppliers must certify that laboratory and field testing of product has been accomplished
and that material meets all of the forgoing requirements for cellulose wood fiber mulch.
2.08 Landscape Boulders
A. Boulders shall be smooth, rounded, river boulders, provided of the type, sizes, and quantity that
are indicated in the plans and details. Grey -tan -beige color range.
2.09 Tree Stakes, Guys, and Tree Wrap
1. Tree Stakes - 8 Foot long, 2" diameter Lodgepole Pine or metal "T" stakes. (Available from
Direct Landscape Supply (303) 797-7733).
2. Guying and Staking Cord - 1/4" Diameter yellow nylon rope or 14AWG wire with 1/2" X 12"
PVC sleeves.
3. Webbing: 2"nylon webbing or rubberized cloth. No hose permitted.
4. Tree Wrap: 4" minimum width commercial tree wrap. Secure tree wrap with jute rope or a
similar biodegradable material.
2.10 Plant Materials
A. Plant List - A plant list is provided on the drawings. Quantities shown on the list are for information
only. Contractor shall be responsible for verifying quantity takeoffs as shown on the drawings. In the
event of a discrepancy between quantities shown on the plant list and quantities depicted on the plans,
the quantities depicted on the plans shall govern.
B. Plant Material Quality - Plants shall meet the American Association of Nurserymen (AAN) standards
for established plants and, the Landscape Contractors of Colorado standard specifications. The most
recent editions shall govern. Plants shall be well branched and well established in their containers or
balls. Plants that shown signs of being potbound with substantial roots circling the perimeter of the
container may be rejected. Trees shall be Colorado grown, or have been grown at a source with a
latitude equal to or north of Colorado and with a similar climate, or have been acclimated in Colorado
for at least 3 growing seasons. Shrubs and perennials shall be Colorado grown or have been acclimated
to the Colorado climate by being planted early enough in the growing season to adapt to Colorado
conditions and develop adequate rooting to survive winter. Meeting these standards shall not relieve
the contractor of required conditions of the warranty/guaranty.
C. Diseases and injuries - Plants with disease or insects are not permitted. Plants with substantial scarring
of the trunk may be rejected. Plants with wounds or broken branches may be rejected
D. Plant Review - All plant material is subject to review by the Owner's Representative prior to delivery to
the site. Review at the nursery does not constitute final acceptance. All plant material is subject to
review at the site prior to planting, review during substantial completion, review at final acceptance,
review at any time during the warranty period, and review at the time of the warranty completion.
College and Willox Landscape Improvements SECTION 02950 — PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 6 of 14
Dead, poor, or unhealthy specimens shall be replaced within 10 days of notification by the Owner's
Representative. The Owner's representative or his assigned representative shall be the sole person
responsible for deciding whether a plant is to be replaced.
E. Botanic and Common Names - Both names are given in the plant list and are in conformance with
standard horticultural practice. Plants are to be delivered to the site with tags bearing the botanic name
as indicated on the plant list.
F. Digging, wrapping and handling - Plants shall be dug and prepared for shipment in a manner that will
not cause damage to branches, shape, and future development after planting.
G. Balled and burlapped plants shall be nursery grown stock adequately balled with a firm rootball, and in
sizes and ratios conforming to the Colorado Nursery Act and in conformance with the AAN standards.
Balls shall be firmly wrapped in non -treated burlap and bound and secured with wire, nylon, or jute.
Broken or heavily damaged balls will not be accepted. Chicken wire is not acceptable.
H. Container grown plants shall have been nursery grown in containers and shall have sufficient roots to
hold the entire soil mass together when the container is removed.
I. Options: If all other requirements for size are met a container plant may be substituted for a balled and
burlapped plant. A spaded plant may be substituted for a balled and burlapped plant.
2.11 Plant Protection
A. Plants shall be protected at all times from drying out or other injury. Protect balls of plants from drying
out. Wrap trees with a protective cloth when transporting. Do not transport trees in an uncovered
moving vehicle when the outside temperature is above 85 degrees Fahrenheit. Spray trees with water
prior to travel to any destination. Use caution in handling plants to prevent major damage to roots/
trunk, or branches.
2.12 Sod
A. Turfgrass Sod: Certified Approved Number 1 Quality/Premium, including limitations on thatch, weeds,
diseases, nematodes, and insects, complying with TPI's "Specifications for Turfgrass Sod Materials" in its
"Guideline Specifications to Turfgrass Sodding." Fumish viable sod of uniform density, color, and texture,
strongly rooted, and capable of vigorous growth and development when planted.
B. Turfgrass Species: Sod of grass species as follows, with not less than ninety-five (95) percent germination,
not less than eighty-five (85) percent pure seed, and not more than one-half (1/2) percent weed seed:
1. Blend: 100% Turf Type Tall Fescue (Festuca arundinacea) a minimum of three improved cultivars.
2. Sod shall be healthy, deep green growing condition, free from insects or disease and in a healthy
growing form. Sod shall be a minimum age of 18 months with root development that will support its
own weight without tearing when suspended vertically by holding the upper two corners.
3. Sod shall be grown by a commercial sod company specializing in sod production and harvesting with a
minimum of five years experience.
4. Sod shall be mowed to a height of 1.5" to 2" prior to harvesting.
5. Sod pieces shall be a minimum of six feet long and 18" wide with a thickness of 3/4" to 1 ". Small,
irregular pieces are not acceptable. Big roll sod is acceptable and encouraged.
2.13 Seed
A. General: delivered in original containers, unopened, bearing dealer's warranty analysis. Maximum
crop and weed content shall be 0.10% each. Noxious weeds (Colorado lists A, B and C) are not
permitted. Seed mix shall be supplied on basis of pure live seed (P.L.S.) in pounds. Formula for
determining quantity of P. L.S. shall be:
College and Willox Landscape Improvements SECTION 02950 — PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 7 of 14
D. The irrigation control wire has been clarified through the use of two line items.
One line item is the control wire for a traditional irrigation system, while the
second line item is intended for control wire for a 2-wire control bundle system.
E. The warranty period for ALL improvements constructed as part of the
College/Willox Roadway Improvements project is two (2) years. The warranty
period for the landscaping installed as part of the project will include two full
growing seasons.
IV. Pre -Bid Clarifications Not Resulting in Changes to the Bid Documents:
A. Could you explain what the Willox irrigation system is? Is it an existing city
system or is it the system that will be installed for the new development currently
taking place and if so will this system be ready in time for this project?
The Willox Irrigation system is the irrigation system that will be installed as part of
the new development. It is unclear if the irrigation system will be operational
prior to the completion of the roadway project. If the development's system is not
operational at the time of completion of the roadway project, the landscaping
installed will need to be maintained and watered accordingly until the system is in
operation.
B. For the line item "cap existing irrigation system" under removals on the bid
tabulation could you explain more on what systems you expect this to be done
to? Will there be any other irrigation modifications needed as part of this?
The following locations will need to have their existing irrigation systems capped:
• Mini -Mart
• Lamplighter
• Legends Holdings
• Albertsons/Bullfrog Liquors
• McDonalds
• Pobre Panchos
Irrigation modifications include capping existing lines as will as cutting existing
lines as necessary to remove these systems out of the work zone. Existing
landscaping will need to be watered while systems are out of operation. This
work will be paid for as part of the following line item:
209-00.100-00 Water (Landscaping ) 1 LS
Please contact John D. Stephen, CPPO, LEED AP, Senior Buyer at (970) 221-6777
with any questions regarding this addendum.
RECEIPT OF THIS ADDENDUM MUST BE ACKNOWLEDGED BY A WRITTEN
STATEMENT ENCLOSED WITH THE BID/QUOTE STATING THAT THIS ADDENDUM
HAS BEEN RECEIVED.
where renewal is a way of life
Bulk Pounds of Seed Required =
PLS pounds specified / (%Purity* % Germination*)
*Percents expressed as decimal, eg. 10% = .10
B. Native Seed Mix
1. Seed shall be of the latest crop available and shall meet Colorado Department of Agriculture
Seed Laws, Chapter 35, Article 27. Seed which has become wet, moldy, or otherwise
damaged shall not be used. Seed shall be delivered in sealed bags showing weight, analysis,
and vendor's name.
2. Seed mix shall be the following:
Common Name and Variety
Scientific Name
%
PLS/acre
Pounds
PLS/acret
Grasses
Blue grama, Native
Boutelouagraahs
5.35
1
Sideoats grama, Vaughn
Boutelona cnrtipendula
6.42
1.2
Sideoats grama, Native
Boutelona curtipendnla
5.35
1
Little bluetem, Pastura
Scbitiacbynum scoparinm
10.70
2
Western wheatgrass, Arriba
Agropyron swithii
32.09
6
Western wheatgrass, Native
Agropyron rmithii
16.04
3
Buffalograss, Sharp's improved
Buchloe dactyloides
16.04
3
Streambank wheatgrass, Sodar
Agmpymn np' an*um
8.02
1.5
,Total
100
18.7
PLS = Pure Live Seed
*Double this rate for broadcast seeding
3. If the available seed as supplied does not meet the pure live seed (PLS) specification, the
Contractor shall compensate for the percentage of purity and germination by furnishing
sufficient additional seed to equal the specified pure live product. The formula for determining
the quantity of PLS shall be:
Pounds of Seed (bulk) x % purity x % germination = pounds of pure live seed (PLS)
PART 3 - EXECUTION
3.01 Examination
A. Verify rough grading is within 1 tenth of a foot. Verify site is free from obstructions, objects, or
structures that are not a part of the final site construction. Verify major drainages are completed and in
place. Do not start work until the site is acceptable. Once landscape grading has commenced, the
Landscape Contractor shall be responsible for bringing all grading to final line and grade and creating
positive drainage.
B. Verify substrate base has been contoured.
3.02 Clearing
A. Prior to any soil preparation, existing vegetation not to remain and which might interfere with the
specified soil preparation shall be mowed, grubbed, raked, and the debris removed from the site. Prior
College and Willox Landscape Improvements SECTION 02950 — PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 8 of 14
to or during grading or tillage operations the ground surface shall be cleared of materials that might
hinder final operations.
3.03 Soil Preparation and Finish Grading
A. Installation:
1. Install topsoil in locations and to depth shown on plans or as directed.
B. Ripping:
1. Protection- Field locate all buried cables, wires, electrical service, irrigation lines and any
other subsurface element that may be damaged during ripping operations. Stake and/or paint
locations with an easily visible system that will enable equipment operators to avoid damaging
buried utilities.
2. Prepare irrigated and non -irrigated seed, sod, shrub bed , and ground cover areas as follows:
a. Rip soil to a minimum depth of 12" in two directions using an agricultural ripper with tines
spaced no greater than 12". Areas adjacent to walks, buried obstructions, structures, curbs etc.
where the use of large mechanical equipment is difficult, shall be worked by hand.
b. If roots of trees are encountered, minimize ripping operations as needed to avoid cutting roots
or damaging plant material.
c. Apply Roundup to areas to be seeded a minimum of 2 weeks after topsoil has been
redistributed and before application of soil amendment. Apply Roundup only when weeds are
growing vigorously. Apply at manufacturers maximum recommended rate.
C. Spread the following amendments over the entire area to receive landscaping. Incorporate the
amendments into the top 6 inches of soil by rototilling:
Non Irrigated Seed
General Irrigated
Shrub Bed, groundcover,
Areas
Seed and Sod Areas
and perennial Area
Compost
NA
4CY/1,000SF.
5 CY/1,000SF
Fertilizer
Per recommendation
Per recommendation
of soil lab report
of soil lab report
Bone
NA
NA
201bs./100SF
Meal
D. Incorporate amendments by discing or rototilling into the top 6 inches of soil. Obtain a uniform
mixture. Work tight areas by hand.
E. Restore fine grade with float drag to remove irregularities resulting from tilling operations. Float drag
in two directions. Use only a hand rake in perennial and annual beds.
F. Eliminate uneven areas and low spots. Establish a finish grade that provides positive drainage as
indicated on the grading plans.
G. Remove debris, roots, branches, stones, in excess of 1-2" inch diameter in size.
H. Coordinate grading of subgrade to the following depths:
Adjacent to curb s & other Surfaces
1. Seeded areas 1/2" below pavement and curbs
2. Sodded areas 1" below curbs and walks
College and Willox Landscape Improvements SECTION 02950 — PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 9 of 14
3. Shrub bed areas
3" in cedar mulch areas
4. Perennial Beds
1 2" below curbs and walks
Do not plant until finish grade has been reviewed by the Owner's Representative. This review does not
reduce Contractor's responsibility to provide a finished product that drains.
3.04 Weed Barrier
A. Weed barrier shall be placed in shrub and perennial beds and where noted on the plans and details. At
edges of curbs, walls, structures, pavements, and headers, weed barrier shall be turned down into grade
and secured with 11 gauge, 12 inch long staples at 18" inches O.C.
B. Where individual weed barrier sheet abut they shall overlap a minimum of 4 inches and be secured
with 11 gauge, 12 inch long staples at 18" inches O.C. along the joint.
3.05 Mulching
A. Mulch Beds.
1. Place rock or cedar mulch in shrub and perennial beds as indicated on plans.
2. Place cedar mulch to a 2-inch depth.
3. Gently brush cedar mulch off of perennials once installed. Take care in placement not to
damage newly planted materials.
4. Prior to placing mulch and planting in mulch beds, apply Roundup herbicide to weeds and
allow beds to sit for 7 days. Apply Roundup at manufacturers recommended rate for
perennials.
5. Place a 2" layer of Cedar Mulch in tree rings. Do not install weed barrier in tree rings.
3.06 Hydro Mulching
A. Hydro Mulching:
1. Mixing: Add cellulose fiber mulch after proportionate quantities of water and other
accepted materials have been placed in slurry tank. Mix ingredients to form homogenous
slurry.
2. Spraying: Spray apply slurry mulch uniformly over seeded areas using control of mulch
as metering agent. Apply at rate of thousand -five hundred (2,500) pounds per acre plus
organic tackifier at rate of one -hundred fifty (150) pounds per acre. Soil may not be
visible through the hydro mulch upon completion of application.
3. Hydro mulching: Do not apply in presence of free surface water resulting from rain,
melting snow or irrigation.
B. Hydraulic Mulching Equipment: Include pump capable of being operated at one hundred (100)
gallons a minute and at one -hundred (100) P.S.I., unless otherwise directed.
1. Provide nozzle adaptable to hydraulic mulching requirements.
2. Storage tanks must have means of calculating volume used or remaining in tank.
C. Timing: Mulch designated areas immediately following seed placement. Mulch must be
placed within forty-eight (48) hours following seeding operation. If sections of seed are placed,
mulch should follow each phase of seeding.
D. Quality Control: Repair or re -mulch areas improperly mulched or damaged by Contractor's
negligence, in manner specified. Mulch removed by circumstances beyond the Contractor's
control shall be repaired and re -mulched as ordered by Owner Representative. Compensation
for re -mulch required by circumstances beyond Contractor's control shall be calculated per the
Unit Price in the Bid Form.
E. The Owner's Representative shall be notified twenty-four (24) hours prior to each application
and will determine if coverage is according to specification.
College and Willox Landscape Improvements SECTION 02950 — PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 10 of 14
3.07 Tree and Shrub Planting
A. Tree Staking: Prior to planting, stake all proposed tree locations for review by the Owner's
Representative. Any plant material installed prior to this review is subject to removal or relocation at
the expense of the Contractor.
B. Planting Pits:
1. Dig planting pits twice the diameter of the rootball for container and balled and burlapped
stock. Establish bottom of the planting pit so that the top of rootballs will be slightly higher
than surrounding grade in order to allow for settlement. Roughen edges of planting pits to
provide a rough surface on edges. Retain excavated material next to planting pit for mixing
organic amendment and fertilizers.
2. For planting trees amend excavated planting pit soil with Bone Meal and organic amendment
using the following mix: Bone Meal at the Rate of I cup per tree. Organic amendment at the
rate of 4 shovelfuls (Hand Spade) per tree.
3. Thoroughly combine, organic amendment, and bone meal with excavated soil. Mixture should
provide an evenly blended mixture for use as backfill.
C. Tree and Shrub Planting:
1. Shrub Planting:
a. Remove stock from containers including shrubs in peat pots. Do not break the rootballs. Do
not remove plant materials by pulling on the stems of the plants. Once removed, slice the
perimeter of the rootballs in several locations using a sharp instrument or butterfly pot-bound
plant materials prior to planting by sticking the shovel into the bottom of the rootball and
splaying the root mass. Roughen side of the plants to break up circular root growth.
b. Plant shrubs so that the plant, when in the ground, is approximately 2 inches above the
surrounding grade. Lightly compact backfill in hole after planting and water thoroughly.
C. Apply Osmocote fertilizer at the base of the plant after backfilling. Apply at manufacturer's
recommended rate. Water lightly to activate fertilizer.
2. Tree Planting
a. Establish planting pit as specified above.
b. If trees are containerized, remove trees from containers. If trees are balled and burlapped,
leave burlap firmly secured until after planting.
c. Handle trees carefully during planting. Avoid excessive shaking and rapid movements. Protect
tree trunks with a soft cloth or rubberized material when handling by the trunk.
d. Roughen the sides of planting pits.
e. Gently lower tree into planting pit and set plumb. Establish bottom of pit so that top of tree
rootball is approximately 2 inches above surrounding grade. Protect trunk and tree branches
while placing tree.
f. Untie and remove burlap from the top 1/3 of the rootball. Remove wire basket from the top
and 2/3 (or all) of all sides of the rootball.
g. Backfill tree planting pit using backfill mixture. Backfill one-half of pit with backfill mixture
and water in thoroughly before placing any more backfill.
h. Backfill the rest of the planting pit with backfill mixture and water in thoroughly. Lightly
compact backfill. Do not vigorously compact.
i. Apply slow release Osmocote fertilizer around the rootball diameter of the tree. Apply at
manufacturer's recommended rate.
College and Willox Landscape Improvements SECTION 02950 - PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 11 of 14
j. Stake or guy all trees. Trees should be plumb. Stake deciduous trees up to 2" caliper. Guy
deciduous trees over 2" caliper. Guy all evergreen trees. Install 3 guys per tree at 1/3 points.
Drive Guys for evergreens and deciduous trees fully into the ground so no part of the guy is
above finish grade.
k. Wrap deciduous trees with specified tree wrap. Wrap from bottom of trunk to the first major
lateral branch. Secure with jute or other biodegradable material. Install after November 15 and
no later than December 15. Remove wrap approximately March 15 and no later than April 15.
1. In non -irrigated grass areas (if any), build a soil -watering ring six inches larger than the
diameter of the rootball and 4 inches high to form a basin to hold water (not required for
conifers). Fill basin with water, being careful not to break the rim of the ring.
in. If there are spade dug and planted trees they shall be deep watered with a watering needle
angling from the inside of the ball out toward the perimeter.
3.08 Perennial, and Ornamental Grass Planting
A. Planting Beds Staking. Prior to planting any perennials or annuals, and prior to installing header or
header, stake, flag, or paint proposed beds scaling off the plans to determine bed configuration and
size. Contact the Owner's Representative for review of extent and configuration. Do not plant or
install header until review has been completed.
B. Establish fine grade and subgrade adjacent to headers as described above.
C. Prepare soil as per section 3.03 under soil preparation.
D. Layout all planting pots prior to planting. Space plants equally within beds to ensure a uniform
appearance. Remove all pots prior to planting including peat pots.
E. Plant all plant material so that the plants are flush with finish grade (top of mulch) when complete. This
will require slightly mounding each plant. Lightly compact soil around base of plant to ensure adequate
root/ soil contact. Do not vigorously compact.
F. Reestablish fine grade by hand raking or smoothing grade by hand prior to placing mulch.
G. Apply specified mulch taking care not to damage plants. Clear excess mulch from plant foliage.
H. Apply Osmocote slow release fertilizer at the manufacturer's recommended application rate. Water in
thoroughly. Keep plants moist but not saturated each day for 14 days after planting.
3.09 Sodding
A. After soil preparation, scarify the surface to a depth of 3/8 inch using a chain drag, chain link, or rake.
B. Do not deliver more sod than can be laid over a 24-hour period.
C. Do not lay sod on frozen ground.
D. Keep soil bed slightly moist during laying of sod.
E. Lay sod smoothly, edge to edge. Establish firm jointing between sod pieces with no visible soil
between. Stagger joints. Lay sod perpendicular to slopes.
F. Water sod lightly as sodding progresses to prevent drying. Roll sod diagonally with a light roller,
leveling irregularities and sealing joints. Do not roll with a saturated subgrade.
G. In order to facilitate drainage, place sod flush with pavement on the uphill side of pavement. Place sod
slightly below pavement on the downhill side of pavement.
H. Hold sod back from tree trunks in a radius of 18 inches taken from the tree trunk.
1. On sod placed on three to one slopes, secure sod with stakes. Drive stakes flush with grade.
College and Willox Landscape Improvements SECTION 02950 — PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 12 of 14
J. Place signs on all newly laid sod indicating "New Sod, Please stay off." Place signs at 50' to 100'
intervals as appropriate.
3.10 Non -Irrigated Seeding
A. Definitions.
1. Weeds: Include Dandelion, Jimsonweed, Quackgrass, Horsetail, Morning Glory, Rush Grass,
Mustard, Lambsquarter, Chickweed, Cress, Crabgrass, Canadian Thistle, Nutgrass, Poison
Oak, Blackberry, Tansy Ragwort, Bermuda Grass, Johnson Grass, Poison Ivy, Nut Sedge,
Nimble Will, Bindweed, Bent Grass, Wild Garlic, Perennial Sorrel, and Brome Grass.
A. Seed areas indicated on drawings and areas disturbed by construction.
B. Re -work previously prepared areas that have become compacted or damaged by rains or traffic.
C. Apply by means of a Brillion mechanical power drawn drill seeder to a maximum depth of!/4 inch
followed by packer wheels or drag chains to provide smooth finish. Seed in two passes at right angles
to one another. Sow half of the seed in each pass. Provide markers or other means to assure that the
successive seeded strips will overlap or be separated by a space no greater than the space between
rows planted by the equipment being used.
D. Broadcast or hydro seed in areas that are inaccessible or too steep to drill or as indicated on plans.
Broadcast seed in two opposite directions. Rake in seed after broadcasting.
E. Restore fine grade after seeding as requested by the owner's representative.
F. Cover seed to depth of 1/4 inch by raking or dragging.
G. Firm seeded areas with a roller weighing maximum of 100 lbs. per foot of width.
H. Seed application rates shall be as specified.
I. Do not sow immediately following rain, when ground is too dry, when ground is frozen or untillable, or
during windy periods.
J. Selection of the time of seeding shall be Contractor's responsibility, consistent with germination and
erosion control requirements. Optimal seeding time is mid May through early September.
3.11 Landscape Boulders
A. Install boulders in the locations shown on the plans and details.
B. Bury approximately 1/3 of the boulder, unless otherwise directed.
C. The contractor shall notify the owner's representative 48 hours in advance of placing landscape
boulders. The owner's representative and/or the landscape architect shall be present during the
placement of landscape boulders to approve their final placement.
3.12 Maintenance
A. General
1. Continuously maintain plantings included in the Contract from the beginning of Contract
work and during the progress of work, see Section 02935 Planting and Irrigation Maintenance.
2. The Owner will assume the responsibility of maintenance including watering, fertilizing,
weeding, etc. upon written acceptance of Substantial Completion from the Owner. The
Contractor shall periodically inspect the project during the two-year guarantee period and
immediately notify the Owner's Representative of any irregularities or deficiencies which will
affect the guarantee.
3. Round -Up herbicide may be used in mulched tree rings if grass seed has sprouted from
seeding operations.
College and Willox Landscape Improvements SECTION 02950 - PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 13 of 14
4. The Contractor shall be responsible for resetting of any plants to an upright position or to
proper grade and for the removal and replacement of any dead plant material.
B. Seed Establishment Period:
1. Water seeded areas as needed, minimum of two times per day, until grass is established.
Water so that no erosion or movement of seed or mulch occurs. Hand water as necessary to
prevent movement of seed.
2. Seed establishment period shall begin upon the notice of "Conditional Acceptance" given by
the Owner's Representative in writing and continue through the first mowing or until the turf
is established.
3. Post "keep off the grass" signs until turf is established.
4. Maintain seeded areas until the grass is established and has been mowed at least once.
Maintenance shall include watering, fertilizing and herbicide weed control as necessary. Do
not apply herbicide before the first mowing, do not mow before the majority of seedlings have
three leaf blades.
5. Required coverage for grass seed areas shall be twenty five (25) viable live seedlings of the
species specified per square foot as measured from five (5) feet directly overhead.
Determination of required coverage will be based on a random sampling of the entire project
area, and shall consist of a minimum of five samples, each two square feet in area. Bare spots
are defined as those areas larger than one square foot which do not meet the required
coverage. After the inspection it is the Contractor's responsibility to perform the required
maintenance within one week to insure a healthy established seeding condition.
6. The total area occupied by bare spots larger than 0.5 square feet must not exceed ten percent
(10%) of the total seeded area. Maximum single bare spot size is one square foot. All seeded
grass areas which do not meet the satisfactory stand of growth qualification shall be reseeded
and mulched.
7. Once the maintenance periods are completed and seed establishment is accepted, the City
Representative shall issue a written notice of Final Acceptance. The guarantee period extends
for one growing season after Final Acceptance.
3.13 Reseeding and Repair
A. Reseed areas where there is not a satisfactory stand of grass at the end of establishment period.
Scratch the surface to prepare seedbed and over -seed with drill seeder or hydromulch.
B. Reseed areas that have been damaged or disturbed by the Contractor's operation according to these
specifications.
C. After one growing season, there shall be no visual difference between seed and healthy sod in
irrigated areas.
3.14 Project Record (As -Built Drawing)
A. Maintain one complete set of contract documents on site. Keep documents current. Record
changes in location, quantity and species of plant material. Submit corrected drawings to the
Owner's Representative prior to final inspection.
3.15 Tree Stakes
D. Remove tree stakes, guy wire and webbing at the end of the two -season guarantee period.
END OF SECTION
College and Willox Landscape Improvements SECTION 02950 — PLANTING, SOIL PREPARATION,
FINISH GRADING
Page 14 of 14
7129 COLLEGEIWILLOX ROADWAY IMPROVMENTS PROJECT
Bid Tabulation
Addendum #1
COLLEGEIWILLOX IMPROVMENTS PROJECT
Estimated
Quantities
Unit
Unit
Price
Total Cost
g and Grubbing:
201-00000-00 Clearing and Grubbing 1 LS
Clearing and Grubbing:
Obstructions:Removal of Structures and
202-00003-01 Removal of Landscape Planter at Perez Property 1 LS
202-00003-02
Removal of Lamplighter Pool Area
1
LS
202-00003-03
Removal of Decorative Rock Panels and Light at Lamplighter
1
LS
202-00010-00
Removal of Tree Dia = 3" to 24")
8
EA
202-00011-00
Removal of Tree Dia = 48" - Car lot Property
2
EA
202-XXXXX-01
Remove Water Meter Vault NE Corner of Intersection)
1
LS
202-XXXXX-02
Remove Existing Concrete Irrigation Box (Sta 19+25)
1
LS
202-00019-00
Remove Inlet
2
EA
202-00021-00
Remove Stormsewer Manhole (NW Corner of Intersection)
1
EA
202-00024-00
Removal Of Embankment Protector Type 5
1
EA
202-00035-00
Removal Pipe
105
LF
202-00200-00
Removal of Sidewalk
485
SY
202-00201-00
Removal of 6" x 12" Barrier Curb with rebar
150
LF
202-00201-01
Removal of 6" Decorative Barrier Curb
128
LF
202-00202-00
Removal of Concrete Gutter 12 foot wide
91
LF
202-00203-00
Removal of Curb and Gutter
1785
LF
202-00206-0o
Removal of Concrete Curb Ramp
38
SY
202-00210-01
1 Removal of Concrete Pavement
584
SY
202-00210-02
Removal of Concrete Pavement (Patching)
50
SY
202-00210-03
Removal of 4" Thick Concrete Patio Perez Property)
17
SY
202-XXXXX-03
Removal of Composite Pavement Full Depth Intersection: 3" Asphalt over 8" PCC
623
SY
202-XXXXX-04
Removal of Composite Pavement (Planing: 0" - 3" - Asphalt 12' outside lanes
2351
SY
202-XXXXX-05
Removal of Composite Pavement (Planing: 3"- 5" —Asphalt 12' inside lanes
2320
SY
7129 COLLEGE/WILLOX ROADWAY IMPROVMENTS PROJECT
Bid Tabulation
Addendum #1
COLLEGEIWILLOX IMPROVMENTS PROJECT
Estimated
Quantities
Unit
Unit
Price
Total Cost
202-00220-01
Removal of Asphalt Mat (Full Depth = 10" Depth)
6864
Sy
202-00220-02
Removal of Asphalt Mat Full Depth — Parking Lots and Driveways)
3043
Sy
202-00240-01
IRemoval of Asphalt Mat Planing: 0" — 3")
5317
Sy
202-00240-02
Removal of Asphalt Mat (Additional 1" Depth Increment)
100
SY
202=00810-00
Removal of Ground Sign Perez Property)
1
LS
202-01000-00
Removal of 6' High Wood Fence
10
LF
202-04004-00
Plug Existing 24" CMP w/Flowfill
218
LF
202-XXXXX-06
Removal of Mailbox Structure Type 1
3
EA
202-xxxxx-07
Removal of Benches (Perez Property)
3
EA
202-xxxxx-08
Removal of Buried Bollard Sta 50+50)
1
EA
202-xxxxx-09
Removal of Traffic Signal Base (Top 3 Feet)
1
EA
202-xxxxx-10
Removal of Private Street Light
2
EA
202-xxxxx-11
Remove Existing Bollards and Steel Light Pole
1
LS
202-xxxxx-12
Abandon 1 'Y2 Inch -Water Service Lamplighter Property)
1
LS
202-xxxxx-13
and
203-00040-01
Cap Existing Irrigation System 8 1EA
Obstructions:Removal of Structures and
Embankment:Excavation
Unclassified Excavation 904 CY
203-00040-02
Excavate Around Existing Qwest Manhole Vault
4
EA
203-00040-03
Excavate Above Shallow 6-Inch Steel Gas Line
500
LF
203-00062-00
Embankment
1786
CY
203-00100-00
Muck Excavation
150
CY
203-00200-00
Borrow
1640
TON
203-01597-00
Potholing
1
LS
203-xxxxx-01
Haul and Dispose Spoils Left by Qwest for Telephone Line Lowering
245
CY
203-xxxxx-02
Flowfill Backfill 1
Embankment:Excavation and
615 1 CY
Gepe 2
7129 COLLEGEMILLOX ROADWAY IMPROVMENTS PROJECT
Bid Tabulation
Addendum #1
COLLEGENWILLOX IMPROVMENTS PROJECT
Estimated
Unit
Unit
Total Cost
Quantities
Price
Topsoil:
207-00205-01 Topsoil Stripping and Stockpiling — 6" Depth
203 Cy
207-00205-02 Topsoil (Placement) — 6" Depth
Topsoil:
203 CY
Erosion Control:
208-00020-00 Silt Fence
1657 LF
208-00045-00
Concrete Washout Structure
2
EA
208-00051-00
Storm Drain Inlet Protection (Type 1)
180
LF
208-00052-00
Storm Drain Inlet Protection (Type 2
32
LF
208-00070-00
Stabilized Construction Entrance
2
EA
208-XXXXX-01
Construction Fence
597
LF
1208-XXXXX-021 Street Sweeping (COFC Special Events) 60 1 HR
ErosionControl:
Watering and Dust Palliatives:
209-00100-00 Water (Landscaping) 1 LS
Watering and Dust Palliatives:
Reset Structures:
210-00011-00 Reset Mailbox Structure Type 1 4 EA
210-00012-00
Reset Mailbox Structure Type II
1
EA
210-00035-00
Reset Water Meter
2
EA
210-00750-00
Reset Light Standard (Private Property) (Hall Addition First Property and Perez Property)
2
EA
210-00810-01
Reset Ground Sign (Hass Property)
1
EA
210-00810-02
Reset Ground Sin Hall Addition First Property)
1
EA
210-01000-00
Reset Chain Link Fence Perez Property)
75
LF
210-04010-00
Adjust Manhole
5
EA
210-04015-00
Modify Manhole
2
EA
Pa.. 3
7129 COLLEGEIWILLOX ROADWAY IMPROVMENTS PROJECT
Bid Tabulation
Addendum #1
COLLEGEIWILLOX IMPROVMENTS PROJECT
Estimated
Quantities
Unit
Unit
Price
Total Cost
210-04050-00 Adjust Valve Box 9 EA
Reset Structures:
Aggregate
304-09014-01 Aggregate Base Course Class 5 or 6 — 6" Depth 3513 TON
304-09014-02 Aggregate Base Course Class 5 or 6 - 8" Depth 1396.5 TON
304-09014-03 IAggregate Base Course (Class 5 or 6) — Patch Placement (8" Depth) 118 TON
Aggregate
Reconditioning:
306-01000-01 Reconditioning (12" Depth) 13158 SY
Reconditioning:
Hot Mix Asphalt:
403-32821-01 Hot Mix Asphalt Grading SG) (100) (PG 58-28) - (4" Depth) 609 TON
403-32821-02
Hot Mix Asphalt(Grading SG) 100 PG 58-28) -(Leveling Course)
268
TON
403-32821-03
Hot Mix Asphalt(Grading SG 100 PG 58-28) - Hand Patch: 4" Depth)
60
TON
403-33851-01
Hot Mix Asphalt Grading S) (100) (PG 64-28) - (2" Depth)
918
TON
403-33851-02
Hot Mix Asphalt(Grading S) 100 PG 64-28 - 3" Depth
1199
TON
403-33851-03
Hot Mix Asphalt (Grading S) (100) (PG 64-28) - (Hand Patch: 2" Depth)
30
TON
403-34721-01
Hot Mix Asphalt (Grading SX) (75) (PG 58-28) - (3.5" Depth) - Private Parking and Drive331 TON
Mix Asphalt:
PortlandHot
412-00600-00
Concrete Pavement 6" Depth - Drive Approach) 70 SY
412-00800-01
Concrete Pavement (8" Depth)
3773
SY
412-00800-02
Concrete Pavement 8" Depth - Commercial Drive Approach
697
SY
412-00801-00
Concrete Pavement (8" Depth) -(Patching)
50
SY
412-00805-00
Concrete Pavement 8" Depth) - Fast Track 24 Hour
125
SY
412-01000-00
Concrete Pavement 10" Depth
1292
SY
Pape 4
7129 COLLEGE/WILLOX ROADWAY IMPROVMENTS PROJECT
Bid Tabulation
Addendum #1
COLLEGE/WILLOX IMPROVMENTS PROJECT
Estimated
Unit
Unit
Total Cost
Quantities
Price
412-01001-00 Concrete Pavement (10" Depth) - (Pedestrian Crosswalk Colored and Stamped)
131
SY
412-01100-00 Concrete Pavement 11" Depth)
1309
SY
412-01101-00 1 Concrete Pavement (11" Depth) -(Pedestrian Crosswalk Colored and Stamped) 343 SY
Portland
420-00500-00 Geotextile Paving Fabric 7740 SY
420-XXXXX-00 Geoblock 5150 Porous Pavement System 17 SY
Structural Concrete:
601-01050-01 Median Wall - College Avenue with Concrete Cap (Per Detail) 1 LS
601-01050-02 Median Wall - Roundabout with Concrete Cap (Per Detail) 1 LS
Structural Concrete:
Culverts and Sewers:
603-01185-00 18 Inch Reinforced Concrete Pipe Complete In Place 133 LF
603-01245-00 24 Inch Reinforced Concrete Pipe (Complete In Place) 563 LF
and Sewers:
Manholes,Culverts
604-13005-00 Inlet Type 13 5 Foot 2 EA
604-13505-00
Inlet Type 13 (Double) (5 Foot)
1
EA
604-19105-00
Type R Inlet L 5 5 Foot
4
EA
604-19205-00
Type R Inlet L 10 5 Foot)
1
EA
604-30005-00
4' Diameter Manhole Slab Base (5 Foot)
4
EA
604-XXXXX-01
Water Meter Pit Manhole - See Detail
1
EA
604-XXXXX-02
Place Deck (Top) On Existing Type 5 R Inlet
1
EA
604-XXXXX-03
3' x 4' Concrete Box with Grate 10 Foot
1
EA
Pape 5
7129 COLLEGE/WILLOX ROADWAY IMPROVMENTS PROJECT
Bid Tabulation
Addendum #1
COLLEGE/WILLOX IMPROVMENTS PROJECT
Estimated
Quantities
Unit
Unit
Price
Total Cost
604-XXXXX-04 Place Inlet grating And Frame (ADS Inlet 24"x4' With Cobble) 1
Drains:Manholes, Inlets, Meter Vaults:
605-00004-00 4 Inch Non -Perforated Pipe Underdrain 156
EA
LF
605-00040-00 4 Inch Perforated Pipe Underdrain 491
LF
605-83001-01 Geocomposite Liner EPDM Rubber - College Avenue Median 2557
SF
605-83001-02 Geocomposite Liner (10 Mill Viscreen Plastic - Roundabout Area) 3222
Drains:Subsurface
Sidewalks and Bikeways:
608-XXXXX-01 Concrete Sidewalk 4" Depth - (Colored and Stamped - To Be Determined Prior to Poui 91
1 SF
SY
608-00006-01
Concrete Sidewalk 6" Depth
1819
SY
608-00012-00
Concrete (Grey) Curb Ramp w/ Detectable Warnings
1501
SF
608-00012-01
Concrete (Colored) Curb Ramp w/ Detectable Warnings and Engraved Street Names
691
SF
608-00350-01
Concrete Sidewalk Colored - 6" Depth) - College and Willox Intersection
120
SY
608-00350-02
Concrete Truck Ramp (Colored) - 8" Depth) - Patterned w/ Two Color Design
280
SY
608-00350-03
Concrete Splashguard Colored and Stamped - 8" Depth)
121
SY
608-10010-01
Sidewalk Drain (Length = 12') (Including 2' Curb Cut w/ Metal Plates)
1
EA
608-10010-02
Curb and Gutter:
609-20000-00
Sidewalk Drain (Length = 16') (Including 2' Curb Cut w/out Metal Plates) 1 1 EA
Sidewalks and Bikeways:
Curb Type 2 6" Barrier - Per Detail) 239 LF
609-21010-00
CDOT Type 2 Section I-B - V Infall Curb and Gutter Perez Property)
257
LF
609-21020-01
CDOT Type 2 Section II-B - 2' Vertical Curb and Gutter Willox Lane and Private
1300 1
LF
609-21023-01
CDOT Type 2 (Section II-B - Modified) - 2' Vertical Curb and Gutter (College Avenue)
2160
LF
609-21023-02
CDOT Type 2 Section II-B - Modified - 2' Vertical Curb and Gutter Curb 1 Roundaboui
633
LF
609-21110-01
CDOT Type 2 (Section I-B) - 1' Outfall Curb and Gutter Dowelled (College Avenue)
1455
LF
Pp.a