Attachment A - Project Manual.pdf

Larimer County

Larimer County North Landfill Cell 1 Design

Construction Documents

Project Manual

Issued for Bid

November 01, 2024

HDR Project No. 10389234

THIS PAGE INTENTIONALLY LEFT BLANK

HDR Project No. 10389234 Larimer County November 01, 2024 Larimer County North Landfill Cell 1 Design Issued for Bid

SEALS AND SIGNATURES

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00 01 07

SEALS AND SIGNATURES

Owner Name: Larimer County Facility or Site Name: North Landfill Project Name: Cell 1 Design Project or Contract Designation: 10389234 Engineer: HDR

Sierra Schupp, PE License No. 62925

• The seal and signature to the left applies to all Specifications divisions and sections of this project manual.

Engineer’s seal and signature does not apply to the documents that comprise Division 00, Bidding and Contracting Requirements.

It is a violation of applicable laws and regulations governing professional licensing and registration for any person, unless acting under the direction of the licensed and registered design professional(s) indicated above, to alter in any way the Specifications in this project manual.

END OF SEALS AND SIGNATURES

TABLE OF CONTENTS

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TABLE OF CONTENTS

DIVISION 00 — PROCUREMENT AND CONTRACTING REQUIREMENTS

00 70 01 - CONTRACT REQUIREMENTS

DIVISION 01 — GENERAL REQUIREMENTS

01 11 00 - SUMMARY OF WORK

01 13 13 - MILESTONES

01 22 00 - MEASUREMENT AND PAYMENT

01 31 13 - PROJECT COORDINATION

01 31 19 - PROJECT MEETINGS

01 32 16 - CONSTRUCTION PROGRESS SCHEDULE

01 32 33 - PROJECT PHOTOGRAPHIC DOCUMENTATION

01 33 00 - SUBMITTAL PROCEDURES

01 45 26 - INTERFACE FRICTION TESTS

01 45 47 - GEOELECTRIC SURVEY FOR DETECTION OF GEOMEMBRANE LEAKS

01 52 13 - CONTRACTOR'S FIELD OFFICE AND SHEDS

01 57 05 - TEMPORARY CONTROLS

01 57 33 - TEMPORARY SECURITY

01 66 00 - PRODUCT STORAGE AND HANDLING REQUIREMENTS

01 71 14 - MOBILIZATION AND DEMOBILIZATION

01 77 19 - CLOSEOUT REQUIREMENTS

01 78 36 - WARRANTIES

DIVISION 02 — EXISTING CONDITIONS

02 21 13 - SITE SURVEYS

DIVISION 03 — CONCRETE

03 09 00 - CONCRETE

DIVISION 05 — METALS

05 50 00 - MISCELLANEOUS METALS

DIVISION 26 — ELECTRICAL

26 05 00 - ELECTRICAL - BASIC REQUIREMENTS

DIVISION 31 — EARTHWORK

31 05 19 - GEOSYNTHETIC CLAY LINER (GCL)

31 10 00 - SITE CLEARING

31 23 00 - EARTHWORK - LANDFILLS

31 23 33 - TRENCHING, BACKFILLING, AND COMPACTING FOR UTILITIES

31 32 18 - DRAINAGE GEOCOMPOSITE

31 32 19 - GEOTEXTILES

31 37 00 - STONE REVETMENT (RIP RAP)

31 38 10 - PREPARED SUBGRADE LAYER

31 38 20 - LEACHATE COLLECTION STONE

31 38 30 - PROTECTIVE COVER

DIVISION 33 — UTILITIES

33 47 14 - HDPE GEOMEMBRANE LINER SYSTEM

DIVISION 40 — PROCESS INTERCONNECTIONS

40 05 00 - PIPE AND PIPE FITTINGS - BASIC REQUIREMENTS

40 05 07 - PIPE SUPPORT

40 05 23 - PIPE - STAINLESS STEEL

40 05 33 - PIPE - POLYETHYLENE (HDPE)

40 05 52 - MISCELLANEOUS VALVES

40 41 13 - HEAT TRACING CABLE AND PIPE INSULATION

DIVISION 43 — PROCESS GAS AND LIQUID HANDLING, PURIFICATION AND STORAGE

EQUIPMENT

TABLE OF CONTENTS

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43 25 16 - EPG SUBMERSIBLE PUMP AND FLOWMETER SYSTEM

D I V I S I O N 0 0

PROCUREMENT AND CONTRACTING

REQUIREMENTS

CONTRACT REQUIREMENTS

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SECTION 00 70 01

CONTRACT REQUIREMENTS

PART 1 - GENERAL

1.1 SUMMARY

A. Requirements Include:

1. Agreement – EJCDC

2. General Conditions - EJCDC.

3. Supplementary Conditions - EJCDC.

1.2 AGREEMENT

A. Basis of Agreement between Owner and Contractor: EJCDC C-520 (2018 Edition) -Agreement between Owner and Contractor for Construction Contract (Stipulated Price).

1.3 GENERAL CONDITIONS

A. EJCDC No. C-700 (2018 Edition) - Standard General Conditions of the Construction Contract, is the General Conditions of the Contract.

1.4 SUPPLEMENTARY CONDITIONS

A. Refer to Document C-800 for amendments and supplements to General Conditions.

B. These Supplementary Conditions amend or supplement the Standard General Conditions of the Construction Contract, EJCDC No. C-700, 2018 Edition, and other provisions of the Contract Documents as indicated below. All provisions which are not so amended or supplemented remain in full force and effect.

C. The terms used in these Supplementary Conditions which are defined in the Standard General Conditions of the Construction Contract, EJCDC No. C-700, 2018 Edition, have the meanings assigned to them in the General Conditions.

1.5 SAMPLE CONTRACT FORMS

A. Draft Agreement, Sample Payment & Performance Bonds, General Conditions to the Construction Contract, and Draft Supplementary Conditions are published under separate cover with the Invitation to Bid Documents.

PART 2 - PRODUCTS – (NOT USED)

PART 3 - EXECUTION – (NOT USED)

END OF SECTION

D I V I S I O N 0 1

GENERAL REQUIREMENTS

SUMMARY OF WORK

01 11 00 - 1

SECTION 01 11 00

SUMMARY OF WORK

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Location and description of Work.

2. Construction Contracts for this Project.

3. Others retained by Owner for the Project.

4. Work by others under Owner’s control on other projects.

5. Work by Owner.

6. Sequence and progress of Work.

7. Contractor’s use of the Site.

8. Easements and rights-of-way.

9. Utility owners.

10. Tree trimming, clearing, and tree removal.

B. Related Requirements:

1. Include, but are not limited to, the following:

a. Section 01 31 13 - Project Coordination.

1.2 LOCATION AND DESCRIPTION OF WORK

A. The Work is located in Wellington, Colorado at the new permitted Site for the Larimer County North Landfill. The southwest entrance of the Site is located at the intersection of North County Road 11 and East County Road 76 and will be the primary site entrance. The northeast entrance of the Site is located at the intersection of North County Road 9 and East County Road 78 and should only be used for large deliveries. The Work will be limited to the northwestern portion of the Site as shown in the Project Drawings.

B. Work to be performed under this Contract includes, but is not limited to construction of a new 20-acre municipal solid waste landfill cell with an engineered liner system (“Cell 1”) and all other Work required in accordance with the Contract Documents.

C. The Project includes the Work broadly described below, in accordance with the Contract Documents, with all related appurtenances. Work shown on the Drawings, or indicated in the Specifications, or indicated elsewhere in the Contract Documents is part of the Work, regardless of whether indicated below. The Work includes, but is not limited to, the following:

1. Mobilization and demobilization of all equipment, materials, and personnel required to complete the Work.

2. Contractor is responsible to supply any temporary power needed to complete the Work.

3. Attendance and participation of critical personnel at pre-construction meetings.

4. Attendance and participation at weekly construction meetings.

5. Development of a Material Handling Plan. The Plan shall be coordinated with the Owner.

6. Pulling and closeout of all permits, including associated fees, for all activities required to complete the Work, as required.

7. Installation, maintenance, and removal of erosion control measures. The Contractor shall be responsible for implementing necessary practices to mitigate erosion control and sediment transport issues in accordance with the Drawings and Landfill Stormwater Management Plan. The Contractor shall be responsible to notify the Owner if any erosion controls are damaged, regardless of the cause.

8. Establish and stake Work area limits.

SUMMARY OF WORK

01 11 00 - 2

9. Using a surveyor licensed in the State of Colorado, establish ground controls; conduct initial site topography survey for required areas within the limits of the Work (see Section 02 21 13 for survey requirements). The Owner will provide existing survey used to develop the bid package in AutoCAD format for the Contractor’s use.

10. Protect any existing on-site utilities, pipes, and structures as shown in the Drawings or discovered during utility locates.

11. Clear and grub Work area. Limits of disturbance include approximately 30 acres. Protect Work.

12. Construct Cell 1 bottom of liner grades and sump to conform with control point plan.

Construct perimeter berm. Install stormwater features. Conduct required material testing and survey once completed. Protect Work.

13. Construct 1-foot prepared subgrade of Cell 1 and excavate anchor trench. Conduct required material testing and survey once completed. Protect Work.

14. Install a geosynthetic clay liner (GCL), a 60-mil high density polyethylene (HDPE) geomembrane, and a drainage geocomposite. Conduct required material testing. Protect Work.

15. Install the protective cover layer, leachate collection piping, side riser piping, leachate cleanout piping, and gravel columns. Conduct required material testing. Survey once completed. Protect Work.

16. Install the leachate pump system, dual-contained forcemain piping, and leachate storage frac tank. Conduct required material testing. Protect Work.

17. Construct access pad road and grading. Place base course on perimeter access road once construction operations become minimal for least disturbance. Protect Work.

18. Grade all areas disturbed during construction outside of Cell 1 limits to promote positive drainage and establish vegetation. Protect Work.

19. Landscape and seed the Northwest stormwater detention pond and the perimeter berm according to the Drawings. Protect Work.

20. Provide a final survey of the entire area of Work within the construction limits.

21. Repair any areas disturbed by the Work, clean up, and demobilize.

D. Contracting Method: The Project will be constructed under a single prime construction Contract.

E. Hazardous Environmental Conditions:

1. To the best of Owner’s knowledge, information, and belief, the prior use of the Site were not hazardous.

1.3 OWNER CONSTRUCTION CONTRACTS FOR THIS PROJECT

A. Single Prime Construction Contract: The Contract requires all the Work for the Project not expressly allocated to Company or others in the Contract Documents.

1.4 OTHERS RETAINED BY OWNER FOR THE PROJECT

A. Engineer:

1. Engineer is identified in the Contract.

2. Engineer’s responsibilities for the Project, relative to Contractor, are indicated throughout the Contract Documents.

3. The Engineer will furnish the services of a Construction Quality Assurance (CQA) Monitor to oversee the Work complies with the Contract documents throughout the duration of the project.

1.5 WORK BY OTHERS UNDER OWNER’S CONTROL

A. Other construction contracts have been or will be awarded by Owner that are in close proximity to or border on the Work of this Project. Work under these other contracts is briefly described in this Article.

SUMMARY OF WORK

01 11 00 - 3

B. Other construction contracts include:

1. Principal Work Location: Northern portion of the Site.

2. Scope:

a. Construction of an access road, maintenance building, and two stormwater ponds. The stormwater ponds are located directly north and northeast of the Cell 1 area as shown in the Drawings. The access road will be used by both Contractors throughout the duration of the project and will be maintained by the other contractor.

3. Contract times are anticipated to overlap throughout the duration of the project. Reference Section 01 31 13 for Project Coordination.

1.6 WORK BY OWNER

A. Owner may conduct groundwater sampling at the existing monitoring wells on site. Contractor shall facilitate safe working area at these times.

1.7 SEQUENCE AND PROGRESS OF WORK

A. Sequencing:

a. The Contractor shall organize and plan to construction activities in alignment with Article 1.2 of this Section and the Drawings.

b. The sequence shall assure the safety and integrity of the Work, including coordination with Work done by Others and by Owner.

c. The proposed Work sequence shall be submitted to the Owner in the Schedule of Construction in accordance with Section 01 32 16.

2. General Construction Sequence:

a. Mobilize, establish limits of construction, and establish ground controls for survey.

b. Install silt fence and any necessary temporary erosion and sediment control measures.

c. Perform clearing and grubbing. Protect any existing on-site utilities, pipes, structures, etc.

d. Complete pre-construction survey.

e. Begin excavation and placement of fill to construct cell 1 bottom of liner and perimeter berm. Survey.

f. Construct 1-foot prepared subgrade layer and excavate anchor trench. Survey.

g. Install geosynthetic clay liner, hdpe geomembrane, and drainage geocomposite.

h. Install leachate collection piping, gravel columns, and protective cover layer. Survey.

i. Install leachate pump system, dual contained forcemain and leachate storage frac tank.

j. Construct access road, access pad, and finish perimeter road.

k. Perform restoration of all disturbed areas.

l. Provide a final survey of the work area within construction limits.

1.8 CONTRACTOR'S USE OF SITE

A. Use of Site - General:

1. Limits on Contractor’s use of the Site is shown on the Drawings.

2. Contractors shall share use of the Site with other contractors and others specified in Articles

1.5 and 1.6 of this Section.

3. Relocate stored materials and equipment that interfere with operations of Owner, other contractors, and others performing work for Owner.

B.

1.9 EASEMENTS

1. Easements included in the Work will be provided by Owner in accordance with the General Conditions and Supplementary Conditions.

SUMMARY OF WORK

01 11 00 - 4

2. Confine construction operations within Owner’s property, easements obtained by Owner, and limits shown.

3. Use care in placing construction tools, machinery and equipment, excavated materials, and materials and equipment to be incorporated into the Work.

4. Do not enter private property outside the construction limits without permission from the owner of the property.

1.10 UTILITIES

A. Contractor shall protect all on-site utilities (both above and below ground) and all support structures.

1.11 TREE TRIMMING, CLEARING, AND TREE REMOVAL

1. Contractor shall provide all required labor and equipment for clearing, grubbing, tree removal, and tree root ball removal within the project limits of disturbance and provide proper off-site disposal.

1.12 PROTECTION OF INSTALLED MATERIALS, EQUIPMENT, AND LANDSCAPING

A. General:

1. Protect existing facilities and installed Work to prevent damage from subsequent operations.

2. Remove protective items when no longer needed, prior to Substantial Completion of the associated Work.

3. Where work will continue within the same area or in adjacent areas after Milestones of a portion of the Work (e.g., completion of the prepared subgrade layer prior to installation of the geosynthetic materials), protect the completed Work until the next phase of the work in the area is complete.

4. Where work will continue in adjacent area(s) after Substantial Completion of a portion of the Work, protect the substantially completed Work until all work in the area is complete.

B. Control traffic (foot traffic, wheeled items such as carts, vehicles, and other traffic) to prevent damage to equipment, materials, and surfaces.

C. Coverings:

1. Provide temporary coverings to protect materials and equipment from damage.

2. Cover: projections, surfaces, openings, etc. in areas used for traffic and for passage of materials and equipment in subsequent work.

3. Fasten protective items without harming the Work.

D. Any previously completed Work that is found to be damaged either by subsequent Work due to insufficient protection or by natural elements including but not limited to high winds, temperatures, erosion by water, etc. due to insufficient protection, will be repaired by the Contractor within the project schedule requirements at no cost to the Owner.

PART 2 - PRODUCTS - (NOT USED)

PART 3 - EXECUTION - (NOT USED)

MILESTONES

01 13 13 - 1

SECTION 01 13 13

MILESTONES

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Section describes the Work to be substantially completed to comply with Milestones indicated in the Contract.

2. This Specifications section is not intended to describe all the Work or its constraints, interrelationships, or sequential requirements.

1.2 GENERAL

1. Contractor shall provide all labor, materials, equipment, tools, and incidentals required to perform the Work in accordance with the Contract Times provisions of the Contract Documents.

2. To achieve each Milestone indicated in this the Contract Documents, substantially complete those elements of the Work indicated starting with Article 1.2 of this Specifications Section, together with related materials, equipment, systems, and appurtenant Work and activities.

3. Comply with the General Conditions, as may be modified by the Supplementary Conditions, and other provisions of the Contract Documents, regarding partial utilization and property insurance.

1.3 WORK TO ACHIEVE MILESTONES

A. Milestone No. 1: Excavation

1. To achieve this Milestone, substantially complete the following Work:

a. Excavation, fill placement, and grading to meet bottom of liner grades and perimeter road grading as depicted on Sheet C402 of the Drawings. Site must be preserved in a suitable condition, with a Protect Work Plan as approved by the Owner during the winter season.

B. Milestone No. 2: Base Liner Earthwork

1. To achieve this Milestone, substantially complete the following Work:

a. Excavate to bottom of liner grades, including sump. Construct 12-inches of prepared subgrade, and perimeter berm; this milestone includes erosion control measures, material testing and surveys. Includes proof of protection of Work.

C. Milestone No. 3: Geosynthetics Installation

1. To achieve this Milestone, substantially complete the following Work:

a. Install GCL, HDPE geomembrane, and drainage geocomposite; includes protection of geosynthetics, material delivery, material testing, and passing geoelectric leak survey.

Includes proof of protection of Work.

D. Milestone No. 4: Leachate Collection System Installation

1. To achieve this Milestone, substantially complete the following Work:

a. Install protective cover, leachate collection piping, gravel columns, side risers, leachate cleanouts, dual-contained piping, frac tank, pumping equipment, and all associated valving, joints, etc.; includes material delivery and testing. Includes proof of protection of Work.

E. Milestone No. 5: Final Work

1. To achieve this Milestone, substantially complete the following Work:

MILESTONES

01 13 13 - 2

a. Construct access pad within Cell 1, place base course on perimeter access road, restore disturbed areas, final survey, and demobilize. Includes proof of protection of Work.

PART 2 - PRODUCTS - (NOT USED)

MEASUREMENT AND PAYMENT

01 22 00 - 1

SECTION 01 22 00

MEASUREMENT AND PAYMENT

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. General requirements applicable to all bid/pay items.

2. General provisions on unit prices and quantities.

3. General provisions on lump sums.

4. Listing of the various bid/pay items in the Project, together with criteria for measuring Unit Price Work for payment.

1.2 REQUIREMENTS APPLICABLE TO ALL BID/PAY ITEMS

A. In this Section and elsewhere in the Contract Documents, the terms “bid item”, “pay item”, “bid/pay item”, “Item” followed by a number designation, “this item”, and the like all have the same meaning, and refer to one or more specific elements of the Contract, established for pricing and payment, as indicated in the Bid Schedule and in the Agreement (or exhibit to the Agreement) at the time the Contract was signed by the parties.

B. This Article applies to all bid/pay items in the Contract.

C. Prices – General:

1. The bid/pay items listed starting with Article 1.5 of this Section refer to and are the same bid items listed in the Bid Schedule and included in the Contract and constitute all bid/pay items for the Work at the time the Contract was signed by the parties.

2. No direct or separate payment will be made, outside of the bid/pay items in the Contract, for the following: providing miscellaneous temporary or accessory materials or equipment, temporary works, temporary construction facilities, Contractor’s project management, superintendence, and similar costs for Subcontractors or Suppliers; bonds and insurance;

schedules and schedule updates; coordination with: Owner’s and facility manager’s operations (including, but not limited to, lockout/tag-out procedures), other contractors, utility owners, owners of transportation facilities, adjacent property owners and occupants, authorities having jurisdiction, Subcontractors and Suppliers, and others with whom Contractor is to coordinate the Work); information technology systems required by the Contract Documents; Submittals; photographic documentation; Project meetings;

Contractor’s hazard communication program; Contractor’s compliance with environmental procedures for Constituents of Concern (including spill control and countermeasures plans and implementation); professional services (required for Contractor’s means and methods of construction, and for delegated designs required by the Contract Documents); obtaining and complying with permits and licenses; temporary utilities (including electric power, water supply and disposal, fuel, and communications); temporary lighting; temporary fire protection; temporary enclosures and HVAC; temporary sanitary facilities; temporary first-aid facilities and services; Contractor’s field offices and sheds, Engineer’s field offices (when required elsewhere in the Contract Documents); temporary vehicular access and parking (including access to the Site, temporary access roads and parking, onsite traffic controls for construction traffic, and offsite haul routes); traffic control of non-construction vehicular and pedestrian traffic; temporary controls (including temporary erosion and sediment controls, noise control, control of storm water, surface water, and groundwater, pollution controls (including solid waste control, water pollution control, and control of atmospheric pollution), dust control, pest and rodent controls, odor controls, and other temporary controls required by the Contract Documents); temporary security for the Work;

temporary barriers; Project signage (when required elsewhere in the Contract Documents);

delivering, handling, and storing materials and equipment to be incorporated into the Work;

layouts and surveys for the Work; construction equipment, machinery, tools, and vehicles;

MEASUREMENT AND PAYMENT

01 22 00 - 2 safety and protection; Site maintenance during construction; cleaning and removal and disposal of waste and debris; checkout and startup; testing and other quality control activities required by the Contract Documents; record documents, operation and maintenance data; warranties; spare parts and extra materials required by the Contract Documents; instruction of facility personnel as required by the Contract Documents;

commissioning (when required elsewhere in the Contract Documents); Contractor’s correction period, Contractor’s general warranty and guarantee; Contractor’s indemnification obligations; other labor, cost, or effort required by the General Conditions and Supplementary Conditions, Division 01 Specifications, and other requirements of the Contract Documents.

3. Price Escalation:

a. Unless expressly indicated otherwise in the Contract Documents, Owner is not obligated to change the stipulated prices (including lump sums, unit prices, and allowances) that are all or part of the Contract Price because of escalation of costs when there is no corresponding change in the Contract Times.

b. Changes in the Contract Times do not necessarily entitle Contractor to a change in Contract Price due to escalation.

c. Should Contractor claim a change in Contract Price for one or more stipulated price pay items without a corresponding change in scope, extent, or quality in the associated Work, prior to receiving any such change in Contract Price, Contractor shall submit with Contractor’s associated Change Proposal, documentation satisfactory to Engineer supporting and documenting that Contractor’s costs have increased because of delays beyond Contractor’s control within the associated change in Contract Times included in such Change Proposal.

4. Compensation for all services, labor, materials, and equipment shall be included in prices stipulated for the lump sum and unit price bid/pay items in the Contract.

5. Each lump sum unit price in the Contract shall include an amount considered by Contractor as sufficient for all overhead and profit for each separately identified bid/pay item.

D. Contract Price, Payment Procedures, and Related Matters:

1. Contract Price: The Contract Price, as apportioned among bid/pay items in the Contract, is indicated in the Agreement and any associated exhibits thereto and may be modified by Change Order.

2. Payments to Contractor: Refer to the General Conditions (as may be modified by the Supplementary Conditions) and the Agreement (including provisions on retainage, if any), , among other applicable Contract Documents.

3. Schedule of Values: Refer to the General Conditions (as may be modified by the Supplementary Conditions).

4. Procedures for Changes in Contract Price: Refer to the General Conditions (as may be modified by the Supplementary Conditions).

5. Alternates: The scope and limits of alternates, when contemplated for or included in the Contract, –must be approved by Owner and Engineer.

6. Defective Work is not eligible for payment.

1.3 GENERAL PROVISIONS ON UNIT PRICES AND QUANTITIES

A. Quantities:

1. Quantities of Unit Price Work indicated in the Bid Schedule and in the Contract (at the time the Agreement was signed by the parties) are estimates for purposes of pricing and comparison of Bids.

2. Owner does not represent, either expressly or by implication, or agree that the nature of materials encountered below ground surface or in concealed areas, or actual quantities of Unit Price Work required, will correspond with the quantities in the Contract at the time the Agreement was signed by the parties. Owner reserves the right to increase or decrease

MEASUREMENT AND PAYMENT

01 22 00 - 3 quantities, and to eliminate quantities, as Owner may deem necessary or as may be necessary due to Site conditions encountered.

3. Adjustment of Unit Prices Due to Variation in Quantities:

a. Provisions, if any, regarding adjustment of unit prices due to variations in actual quantities (eligible for payment) from the estimated quantities in the Contract (including quantities at the time the Agreement was signed by the parties and as subsequently modified by Change Order) are in the General Conditions, as may be modified by the Supplementary Conditions.

1) Engineer’s review for possible unit price adjustment, when provision for such adjustment is expressly indicated in the Contract, will be at a time Engineer deems reasonable and proper.

2) When the Supplementary Conditions establish that, to be eligible for an adjustment in the unit price, a pay item of Unit Price Work must have a total computed, extended price (at the time the Agreement was signed by the parties) equal to or greater than a specified percentage (stipulated in the Supplementary Conditions) of the total Contract Price (at the time the Agreement was signed by the parties), and the total extended price of such pay item does not exceed the stipulated percentage of the Contract Price, then the associated pay item will be paid at the unit price in the Contract without adjustment for variations in actual quantity.

4. Quantities eligible for payment will be actual quantities furnished and installed (as applicable) in accordance with the Contract Documents, within the pay limits shown or indicated, as measured by Engineer (or other entity so empowered in the Contract Documents) and recommended for payment by Engineer.

5. At Contractor’s expense, Contractor may independently verify quantities measured by Engineer for payment. Should Contractor disagree with quantities measured and recommended for payment by Engineer, submit appropriate Change Proposal (appealing Engineer’s measurements) indicating the specific reasons for Contractor’s appeal, with detailed reasons therefor and associated calculations and estimates, in accordance with the Contract Documents.

6. Quantity Overruns:

a. When the quantity of a pay item of Unit Price Work eligible for payment exceeds the pay item’s quantity included in the Contract, Owner will pay for quantities that exceed those in the Contract only while the estimated total payments to Contractor under the Contract will not exceed the Contract Price. Otherwise, a Change Order is required to modify the associated quantity in the Contract, thus changing the Contract Price.

7. Except as may be established elsewhere in the Contract Documents, make no claim for anticipated profit, loss of profit, damages, or additional compensation arising from difference between quantities of Unit Price Work eligible for payment and the estimated quantities in the Contract.

B. Measuring for Payment:

1. At Engineer’s option, Engineer may delegate to Resident Project Representative (RPR) or Construction Quality Assurance (CQA) monitor, some or all of Engineer’s responsibilities for measuring Unit Price Work eligible for payment.

2. Unless expressly indicated otherwise in the Contract Documents, measurements will be in United States standard measurements.

3. Unless indicated otherwise elsewhere in the Contract Documents, quantities of Unit Price Work eligible for payment will be rounded to the nearest whole number.

4. Assistance with Measurements:

a. Assist Engineer by providing measuring equipment, labor, and survey personnel necessary to measure quantities eligible for payment.

5. Quantities eligible for payment can be adjusted by Engineer to correct quantities included in Contractor’s prior payment requests, and for incomplete or defective Unit Price Work. Such corrections are at Engineer’s sole discretion.

MEASUREMENT AND PAYMENT

01 22 00 - 4

1.4 GENERAL PROVISIONS ON LUMP SUM ITEMS

A. Progress payments for Work paid on a lump sum basis will be based on Engineer’s estimate of the Work (in accordance with the Contract Documents) performed through the end of the associated pay period, based on the Schedule of Values accepted by Engineer in accordance with the Contract Documents.

B. At its sole discretion, Engineer may correct amounts of lump sum Work included in prior payment requests based on improved data or information available to Engineer, or Engineer’s knowledge or reasonable belief that Work is incomplete or defective.

1.5 BID/PAY ITEMS - GENERAL CONTRACT

A. Lump Sum Items

1. Item 1 – Mobilization, Demobilization, and General Conditions

a. Full compensation for all costs associated with mobilization and demobilization including general overhead costs associated with the project but that do not have a specific line item.

b. This Bid item includes, but is not limited to:

1) General project management.

2) Preparing and obtaining Engineer’s acceptance of schedules, including Progress Schedule, Schedule of Submittals, and Schedule of Values.

3) Obtaining Owner’s acceptance of proposed Subcontractors and Suppliers and entering into subcontracts and purchase orders needed to start the Work.

4) Obtaining, complying with, and transferring permits not covered in other bid items required to start the Work.

5) Preparing and securing approvals of submittals.

6) Initial establishment of temporary utilities and temporary facilities. Coordinating with utility companies.

7) Preconstruction conference(s) required by the Contract Documents.

8) Preconstruction photographic documentation.

9) Establishing Contractor’s Site-specific health and safety plan, preconstruction activities needed to start implementing Contractor’s safety programs, and verifying status of training of construction workers and personnel and condition of construction equipment, machinery, and tools. Submitting acceptable emergency contact information.

10) Establishing construction equipment, machinery, and tools at the Site.

11) Establishing Contractor’s office, sheds, temporary utilities, staging and laydown areas and other necessary facilities.

12) Providing initial temporary controls.

13) Temporary security needed to start Work at the Site.

14) Other mobilization acceptable to Engineer.

15) Removal from the Site and adjacent areas of excess materials and equipment.

16) Removal of temporary controls, temporary facilities, temporary barriers, and similar materials and equipment.

17) Removal of temporary access roads and parking areas not part of permanent pavement or otherwise allowed to remain by Owner, including temporary traffic controls established for construction vehicles and equipment.

18) Removal of all field office and sheds, storage areas, staging and laydown areas, and other areas needed to perform the Work and restoration of such areas.

MEASUREMENT AND PAYMENT

01 22 00 - 5

19) Removal from the Site of all construction equipment, machinery, tools, Contractor’s containers, temporary fuel storage tanks, and similar items.

20) Closeout of permits on which Contractor is a permittee or co-permittee.

21) Final cleaning.

22) Furnishing required closeout documents.

23) Other costs and effort by Contractor for demobilization.

24) Preparing and maintaining the Project schedule.

25) Meetings.

26) Restoring and cleaning the Project site to pre-project or final grades and condition.

27) Demobilization.

28) Providing all other related and necessary labor, equipment, and materials to complete the Work.

c. Payment will be made as a percentage of the project complete, except for the first pay application which can include up to 25% request.

2. Item 2 – Construction Quality Control

a. Full compensation for completed all Construction Quality Control requirements as defined in the Project Team and Responsibilities section of the CQA Plan.

b. This bid item includes but is not limited to:

1) All coordination, testing, and documentation of all applicable sections of the Project Specifications, including but not limited to: 01 45 26, 03 09 00, 05 50 00, 31 23 00,31 23 33, 31 32 18, 31 32 19, 31 37 00, 31 38 10, 31 38 20, 31 38 30, 33 47 14, 40 05 00, 40 05 33, 40 05 52, 40 41 13, and 43 25 16. This bid item should cover any of the CQC efforts that are not elsewhere covered in the Bid Schedule.

2) Any miscellaneous testing not required by the specifications but that the Contractor intends to perform.

c. Payment will be distributed in monthly installments over the Contract Time.

3. Item 3 – Surveying and Control

a. Full compensation for performing required surveying work per Section 02 21 13. This Bid item includes, but is not limited to:

1) Maintaining survey control during the course of the Project.

2) Preparing and providing progress and thickness verification surveys.

3) Providing initial and final as-built surveys of completed work.

b. Payment will be distributed in monthly installments over the Contract Time.

4. Item 4 – Erosion and Stormwater Controls

a. Full compensation for all costs associated with providing and maintaining temporary erosion and stormwater controls during the course of the Project per Section 01 57 05.

b. This Bid item includes, but is not limited to:

1) Obtaining permit coverage under the CDPHE CDPS General Permit COR400000 Stormwater Discharges Associated With Construction Activity.

2) Evaluating, constructing, maintaining, replacing, and monitoring stormwater erosion and sediment control BMPS.

3) Modifying the approved and implemented stormwater management plan as necessary.

4) Complying with Fugitive Dust Control Plan and CDPHE GP-03 permit requirements.

5) Preparing and providing copies of stormwater and other required reports.

6) Providing erosion and sediment controls, including stabilization of soils, at the end of each workday.

7) General protection of Work.

c. Payment will be distributed in monthly installments over the Contract Time.

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01 22 00 - 6

5. Item 5 – Temporary Roads/Access Management

a. Full compensation for coordinating with other onsite contractor(s) and Owner per Section 01 31 13 to obtain access and construction of temporary roads required for project completion.

b. This bid item includes but is not limited to:

1) Initial establishment of construction vehicular access to the Site, parking needed for construction, and offsite haul routes.

a) For estimate, assume site entrance from the southwest is required (roughly

1.25 miles).

2) Establishing and maintaining temporary access roads for the life of the Project.

3) Includes stabilized construction entrances.

c. Payment will be distributed in monthly installments over the Contract Time.

6. Item 6 – Monitoring Well Protection and Extensions Above Grade

a. Full compensation for protecting and extending monitoring wells MW-1B and MW-2 to match proposed site plan grade, including extension of perimeter road grading for monitoring well access.

b. This bid item includes but is not limited to:

1) Extension of 2” diameter PVC pipe, bentonite (hydrated) seal around PVC riser to match existing auger diameter (6-inches), well casing with stick up approximately 3 feet above ground surface, lockable hinged cover, concrete pad seal around base of casing, bollards, and well label.

2) MW-1B will be extended approximately 7 ft.

3) MW-2 will be extended approximately 40 ft.

4) Resurvey of top of well lid, top of PVC, and ground elevation.

c. Payment will be made at regular intervals based on the percentage of Work completed.

7. Item 13A – Geomembrane Leak Location Survey

a. Full compensation for completion of the leak location (geoelectric) survey of the geomembrane per Section 01 45 47.

b. Payment will be made at regular intervals based on the percentage of Work completed.

8. Item 16 – Leachate Collection Piping, Risers, Forcemain, Cleanouts

a. Full compensation for procuring, furnishing, and installing/welding piping, wyes, risers, forcemain, cleanouts, and required appurtenances for the leachate collection system per Division 40.

b. Payment will be made at regular intervals based on the percentage of Work completed.

9. Item 19 – Leachate Pump Station

a. Full compensation for procuring, furnishing and installing the leachate pump station as shown in the Drawings and all required appurtenances.

b. This bid item includes but is not limited to:

1) Concrete pad (Section 03 09 00)

2) Stainless steel pipes (Section 40 05 23)

3) Valves including check, ball, and air release (Section 40 05 52)

4) Heat trace and pipe insulation (Section 40 41 13)

5) Pipe supports and forcemain connection.

6) Pressure gauge, switch, air release, vacuum, etc. required for pump system operation.

c. Payment will be made at regular intervals based on the percentage of Work completed.

10. Item 20 – Leachate Pump System

a. Full compensation for procuring, furnishing and installing the leachate pump system, including instrumentation and controls for operations per 43 25 16.

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01 22 00 - 7

b. This bid item includes but is not limited to:

1) Two leachate pumps and transducers (duplex system)

2) Flowmeter(s)

3) Junction boxes

4) Cable fittings and accessories

5) Programming pump control set points and adjusting control valve and marking set points for operation.

6) Programming frac tank high level alarm and leak detection control.

7) Start up and maintenance training.

c. Payment will be made at regular intervals based on the percentage of Work completed.

11. Item 21 – Frac Tank & Secondary Containment

a. Full compensation for procuring, installing and furnishing frac tank and secondary containment, including connections required for leachate collection system operations, per the Project Drawings Sheet C604.

b. This bid item includes but is not limited to:

1) 21,000 gallon frac tank

2) Gravel

3) Sump

4) Metal siding

5) Lining (geotextile and geomembrane)

c. Payment will be made at regular intervals based on the percentage of Work completed.

12. Item 26 – Working Pad & Ramp

a. Full compensation for installing and constructing the 300’x300’ 3-ft thick soil working pad and access ramp, per the Project Drawings Sheet C405. Note these quantities were not included in the structural fill estimate. Coordinate with Owner.

b. Payment will be made at regular intervals based on the percentage of Work completed.

13. Item 28 – Pond Outlet Structure

a. Full compensation for the construction and furnishing of the pond outlet structure, including (but not limited to) casted RCP, concrete, orifice plate, trash gate, basin, and spillway, trickle channel and all appurtenances per Sheets C607 and C608 of the Project Drawings. Excludes rip rap quantities for basin and spillway covered under Item 27, but includes construction of these items.

b. This bid item includes excavation, bedding, backfill, compaction, grading, and testing of concrete.

c. Payment will be made at regular intervals based on the percentage of Work completed.

14. Item 29 – Force Account

a. The Engineer may direct the Contractor to perform extra work under the Force Account.

b. Payment to the Contractor for such work will be established by agreed-upon labor and equipment rates and material costs. No work will be paid through the Force Account unless previously approved by the Owner.

B. Unit Price Pay Items

1. Item 7 – Excavation

a. PAYMENT: Full compensation for excavation including hauling, clearing, and stockpiling, and proofrolling to achieve bottom of liner grading and northwest pond grading per Section 31 23 00 and Sheet C401.

b. UNIT OF MEASURE: Bank cubic yard.

c. MEASUREMENT: As-built survey.

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01 22 00 - 8

2. Item 8 – Structural Fill

a. PAYMENT: Full compensation for placement of structural fill to design grades per Section 31 23 00 and Sheet C401, including the inspection and testing of borrow source to determine extent of unsuitable materials, compaction, moisture control, smoothing grade and proofrolling.

b. UNIT OF MEASURE: Cubic yard.

c. MEASUREMENT: As-built survey.

3. Item 9 – Prepared Subgrade Layer (12”) to Basegrade

a. PAYMENT: Full compensation for furnishing and installing prepared subgrade layer (12”) to basegrades (Sheet C403) per Section 31 38 10 including source material testing, compaction and moisture control.

b. UNIT OF MEASURE: Cubic yard.

c. MEASUREMENT: As-built survey.

4. Item 10 – Anchor Trench Backfill/Compaction

a. PAYMENT: Full compensation excavating, backfilling, and compacting of anchor trench per 31 23 33.

b. UNIT OF MEASURE: Linear feet.

c. MEASUREMENT: As-built survey.

5. Item 11 – Termination Berm

a. PAYMENT: Full compensation for the placement and compaction of termination berm per 31 23 00, including protection of liner system. Note these quantities were not included in the structural fill estimate.

b. UNIT OF MEASURE: Linear feet.

c. MEASUREMENT: As-built survey.

6. Item 12 – Geosynthetic Clay Liner (GCL)

a. PAYMENT: Full compensation for procuring, furnishing and installing the geosynthetic clay liner, including handling, storage, testing, seaming, inspections, and repairs of GCL per 31 05 19.

b. UNIT OF MEASURE: Square feet.

c. MEASUREMENT: As-built survey.

7. Item 13 – 60 mil HDPE Geomembrane

a. PAYMENT: Full compensation for procuring, furnishing, and installing 60 mil HDPE geomembrane including handling, storage, welding, seaming, testing, inspections, and repairing of geomembrane per 33 47 14.

b. UNIT OF MEASURE: Square feet.

c. MEASUREMENT: As-built survey.

8. Item 14 – Drainage Geocomposite

a. PAYMENT: Full compensation for procuring, furnishing, and installing the drainage geocomposite, including handling, storage, seaming, testing, inspections, and repairs.

b. UNIT OF MEASURE: Square feet.

c. MEASUREMENT: As-built survey.

9. Item 15 – Protective Cover Layer (12”)

a. PAYMENT: Full compensation for the placement, protection of sublayers, and quality control testing of the 12” protective cover layer per 31 38 20.

b. UNIT OF MEASURE: Cubic yard.

c. MEASUREMENT: As-built survey.

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01 22 00 - 9

10. Item 17 – Leachate Stone

a. PAYMENT: Full compensation for procuring, furnishing, storing, placement, and testing of leachate stone around the leachate collection pipes and within the sump per 31 38 20.

b. UNIT OF MEASURE: Cubic yard.

c. MEASUREMENT: As-built survey.

11. Item 18 – Nonwoven Geotextile (for Leachate Columns and Spillway)

a. PAYMENT: Full compensation for procuring, furnishing, installing, and ensuring quality control for the construction of nonwoven geotextiles for wrapping of the leachate columns per 31 32 19 (2.2.A.4.e) and in accordance with ASTM D4873; and for lining Spillway Section and Riprap Basin per Project Drawing Sheet C608.

b. UNIT OF MEASURE: Square feet.

c. MEASUREMENT: As-built survey.

12. Item 22 – Topsoil Stockpiling and Redistribution

a. PAYMENT: Full compensation for stripping (6” assumed over limits of construction area) and stockpiling topsoil for redistribution over the disturbed area whenever practical per Project Drawing Sheet C609.

b. UNIT OF MEASURE: Cubic yard.

c. MEASUREMENT: As-built survey of stockpile volume.

13. Item 23 – Permanent Seeding

a. PAYMENT: Full compensation for furnishing and placing the native seed mix and crop cover per Project Drawing Sheets C608 and C609 for the extents of the northwest pond (Type 1), perimeter berm/swale (Type 2), stockpiles (Type 2), and general disturbed areas, including preparing the seed bed, drilling or broadcasting the seed, applying fertilizer based on a formula on the analysis of the existing soil or growing medium for the entire site, and mulching upon completion.

b. UNIT OF MEASURE: Acres.

c. MEASUREMENT: As-built survey.

14. Item 24 – Perimeter Road Gravel Surface

a. PAYMENT: Full compensation for procuring, furnishing and installing, of 8” perimeter road gravel surface.

b. UNIT OF MEASURE: Cubic yard.

c. MEASUREMENT: As-built survey

15. Item 25 – Perimeter Road Woven Geotextile

a. PAYMENT: Full compensation procuring, furnishing and installing woven geotextile for the perimeter road, including potential excavation necessary to ensure clean substrate before placement, constructing seams, and repairing.

b. UNIT OF MEASURE: Square feet.

c. MEASUREMENT: As-built survey

16. Item 27 – Stormwater Conveyance Systems

a. PAYMENT: Full compensation for procuring, furnishing and installing the reinforced concrete pipes (culverts) under the access road, in the perimeter channel, and northwest pond, including the headwalls and outlet protection, per Sheets C401, C405, C605, C606A, C607 of the Project Drawings and CDOT standards.

1) Reinforced concrete pipes.

a) UNIT OF MEASURE: Linear feet.

b) MEASUREMENT: As-built survey.

c) BREAKDOWN OF QUANTITIES:

(1) From perimeter channel to northwest pond (‘Culvert 9’): 3x 42” diameter pipe, 108 LF.

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01 22 00 - 10

(2) Under access road (‘Culvert 1’): 1x 18” diameter pipe, 136 LF.

(a) Flared end section length (each side): 6.5 feet

(3) Within perimeter channel under ramp access (‘Culvert PC-1’): 4x 24” diameter pipe, 74 LF.

(4) Within perimeter channel under pump access (‘Culvert PC-2’): 4x 24” diameter pipe, 74 LF.

2) Rip rap.

a) UNIT OF MEASURE: Cubic yard.

b) MEASUREMENT: As-built survey.

c) BREAKDOWN OF QUANTITIES:

(1) Culvert 9 per Sheet C605:

(a) Minimum apron depth: 18 inches

(b) Apron length: 59.5 feet

(c) Apron width (upstream) 21 feet

(d) Apron width (downstream): 42 feet

(2) Culvert 1 per Sheet C608:

(a) Minimum apron depth: 1.7 feet

(b) Apron length: 6.0 feet

(c) Apron width (upstream) 4.5 feet

(d) Apron width (downstream): 8.5 feet

(3) Culvert PC-1 (fit to channel per Sheet C405/C605):

(a) Minimum apron depth: 1.5 feet

(b) Apron length: 30 feet

(c) Apron width (upstream) 20 feet

(d) Apron width (downstream): 22 feet

(4) Culvert PC-2 (fit to channel per Sheet C405/C605):

(a) Minimum apron depth: 1.5 feet

(b) Apron length: 30 feet

(c) Apron width (upstream) 20 feet

(d) Apron width (downstream): 22 feet

(5) Northwest Pond Spillway per Sheet C608:

(a) Riprap Thickness: 1 foot

(b) Crest Length: 35 feet

(c) Top Length: 55 feet

(d) End Slopes: 4H:1V

(6) Northwest Pond Riprap Basin per Sheet C608:

(a) Thickness: 1 foot

(b) Width 1: 4 feet

(c) Width 2: 35 feet

(7) Northwest Pond Outlet per Sheet C608:

(a) Minimum apron depth: 1.7 feet

(b) Apron length: 8 feet

(c) Apron width (upstream) 6 feet

(d) Apron width (downstream): 11.3 feet

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01 22 00 - 11

3) Concrete and rebar for headwalls (rigid round pipe) and outlet protection per Sheet C605, including testing per Specification Section 03 09 00.

a) Concrete quantities:

(1) Culvert 9: 10.45 CY (assumes larger Ba = 54 inches for headwall. Use Ba = 42” and extrapolate for 3 RCP pipes in parallel.)

(2) Culvert PC-1: 7.2 CY (includes outlet paving)

(3) Culvert PC-2: 7.2 CY (includes outlet paving)

(4) Outlet Structure: reference Sheet C607

b) Rebar:

(1) Provide conservative estimate in LBS for perimeter channel to northwest pond (‘Culvert 9’)

4) Pipe trench and rip rap base excavation, bedding, backfill, and compaction per 31 23 33.

a) UNIT OF MEASURE: Cubic yard.

b) MEASUREMENT: As-built survey.

PART 2 - PRODUCTS - (NOT USED)

PROJECT COORDINATION

01 31 13 - 1

SECTION 01 31 13

PROJECT COORDINATION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. General requirements for:

a. Project coordination when the Project is implemented using a single prime construction Contract.

b. Coordination meetings.

c. Coordination drawings and layout drawings.

B. Scope:

1. Contractor shall coordinate the Work, whether performed by Contractor’s employees or by Subcontractors, Suppliers, or others for whom Contractor is responsible, to provide Work in accordance with the Contract Documents.

2. Coordinate the Work with testing entities and inspectors (whether hired by Contractor, Owner, or others) employed on the Project, forces of Owner and facility manager (if other than Owner), and other contractors retained by Owner or facility manager, and other entities with which the Work needs to be coordinated.

3. Requirements for preconstruction meetings are in the General Conditions (as may be modified by the Supplementary Conditions) and Section 01 31 19 - Project Meetings.

4. Requirements for construction progress meetings are in Section 01 31 19 - Project Meetings.

C. Related Requirements:

1. Include, but are not necessarily limited to, the following:

a. Section 01 11 00 - Summary of Work.

b. Section 01 31 19 - Project Meetings.

1.2 ADMINISTRATIVE REQUIREMENTS

A. Coordination:

1. Coordination – General:

a.