B01_A2_Specs_and_Drawings_1.pdf

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TECHNICAL SPECIFICATIONS FOR

WHITE BEAR DIVERSION PROJECT

TABLE OF CONTENTS

DIVISION 1 – GENERAL REQUIREMENTS

Section Title

01000 - Administrative Instructions

01060 - Permits

01150 - Measurement and Payment

DIVISION 2 – SITEWORK

Section Title

02140 - Dewatering

DIVISION 3 – CONCRETE

031000 - Formwork

033000 - Cast-in-Place

DIVISION 9 – FINISHES

Section Title

099100 - Painting

DIVISION 13 – SPECIAL CONSTRUCTION

13010 - Slide Gate

APPENDIX A CONSTRUCTION DRAWINGS (Under Separate Cover)

This page left blank intentionally.

GENERAL

REQUIREMENTS

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SECTION 01000 - 1

DIVISION 1 – GENERAL REQUIREMENTS

SECTION 01000 – ADMINISTRATIVE INSTRUCTIONS

PART 1 - GENERAL

1.01 DESCRIPTION

A. Provide all supervision, personnel, labor, materials, tools, equipment, maintenance and repairs, services, and all other facilities and incidentals required for the execution and completion of the Work as specified herein.

1.02 CONSTRUCTION SCHEDULING

A. Provide a construction schedule within ten (10) calendar days of the contract signing.

B. Provide the COR for approval, a comprehensive construction schedule that includes but is not limited to:

1. A list of all construction operations,

2. A list of the types and numbers of equipment which will be mobilized to the site during construction, and

3. The anticipated length(s) of time during which each item of equipment will be used at the site.

C. Construction activities involving placement of compacted fill will only be allowed during normal daylight hours.

D. Revise the construction schedule as required by the COR.

1. Provide the COR a revised construction schedule if the COR determines that the Work is not progressing according to the approved schedule or if the COR determines that additional tasks must be added to accurately track the project progress.

2. Include in the revised construction schedule all revised operations, methods, overtime, and/or additional equipment and labor required to meet the revised schedule.

3. COR may withhold payment until a revised construction schedule has been submitted by the CONTRACTOR and approved by the COR.

1.03 CONSTRUCTION SITE RESTRICTIONS

A. Do not trespass on or in any way impact private property outside the construction area without written permission from the GOVERNMENT.

1.04 PRE-CONSTRUCTION CONFERENCE

A. At the award of the contract, a preconstruction conference with the CONTRACTOR, COR, and BIA REPRESENTATIVE will be held.

1. The pre-construction conference will include consideration of all components of the upcoming phases of the Work and any possible safety concerns.

2. Ensure attendance by all of the CONTRACTOR’S assigned supervisory personnel.

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3. Submit at this pre-construction conference a complete list of individual equipment and labor rates which will be used to perform miscellaneous projects as required during the course of the Work.

4. Submit at this pre-construction conference proposed locations for the staging/storage area.

5. The Contractor shall be responsible to develop a storm water pollution prevention plan according to the Montana Department of Environmental Quality and all other related standards and regulations. The SWPPP and associated erosion control BMP’s installed shall be deemed to be incidental and shall not be a pay item.

1.05 REFERENCES

A. All references to ASTM, ANSI, AASHTO, or other standardized designations or specifications in the contract documents are to the latest revisions at the time of the contract signing, except as noted in the contract documents.

1.06 ADDITIONAL PROVISIONS

A. Apply for, obtain, and pay for licenses and permits required to perform the Work.

B. Comply with applicable codes and regulations of authorities having jurisdiction, including but not limited to:

1. Montana Department of Environmental Quality and

2. Bureau of Indian Affairs

C. Field verify dimensions shown on the Drawings before fabricating or ordering any materials.

1. Do not scale Drawings.

D. Notify the COR of existing conditions that differ from those shown on the Drawings.

E. Portions of the contract documents are written in the imperative mode.

1. Except where specifically intended otherwise, the subject of all imperative statements is the Contractor.

2. Examples of imperative statements include but are not limited to:

a. "Provide . . . " means "Contractor shall provide . . ." and

b. "Install . . . " means "Contractor shall install . . . ".

PART 2 - PRODUCTS – NOT USED

PART 3 - EXECUTION

3.01 STANDARDS OF CONSTRUCTION

A. Complete all Work in a manner that meets the requirements of all applicable federal, state, and local laws, regulations, and ordinances.

B. Complete all Work in conformance with modern practices for this type of Work.

3.02 PERSONNEL SUPPORT AND SANITATION FACILITIES

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A. Provide and maintain, in a neat and sanitary condition, such accommodations for use by the CONTRACTOR’s and SUBCONTRACTOR’s employees, the BIA REPRESENTATIVE, and the COR as required.

B. Provide personnel support facilities including but not limited to:

1. Drinking water,

2. First aid facilities,

3. Sanitary facilities,

4. Trash removal, and

5. Coordination with emergency medical services.

C. Prevent personnel support facilities and sanitation facilities from becoming a nuisance to the public or to the GOVERNMENT.

3.03 UTILITIES

A. The CONTRACTOR shall have full responsibility for locating all utilities before commencement of construction.

1. Omission of an existing utility location on the Drawings does not indicate or imply that a utility(ies) does not exist within the work site.

2. Inclusion of an existing utility(ies) location on the Drawings does not necessarily indicate the definite location(s) of the utility(ies).

B. Obtain written permission from the COR before altering or removing any existing utility.

C. Protect all existing public or private utilities and improvements that are located on the work site.

1. Pay for any unplanned breakage or damage to existing utilities and improvements that may occur during construction and that is caused by the CONTRACTOR.

3.04 WATER

A. Water for embankment compaction and dust control shall be provided by the Contractor. No separate measurement of payment will be made for water.

3.05 ROADS

A. Use existing roads during construction as directed by the COR.

B. Modify or alter existing roads and construct additional temporary construction roads.

1. There shall be no modification of an existing road, except as shown on the Drawings within the project area.

2. Obtain written approval from the COR before constructing any temporary construction road(s).

3.06 ENVIRONMENTAL

A. Guard against contamination of topsoil, any earthen material, groundwater, surface water, and air from oil, fuel and other fluid spills; from vehicle emissions; from garbage, waste and other debris; and from any other spills, leaks, discharges or releases of hazardous materials, hazardous wastes or other wastes.

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1. Remediate and correct all environmental damage resulting from any such release, discharge, spill or leak occurring during the course of the Work, in accordance with applicable laws and with requirements of agencies having jurisdiction over such matters including, without limitations, Montana Department of Environmental Quality.

B. Service all equipment in areas designated by the COR.

C. Maintain all equipment to prevent leakage of oil, fuel or other fluids and to prevent unacceptable levels of emissions.

D. Collect, remove and properly dispose of all trash, garbage, debris, used oil, contaminated soil, and other waste materials off site at an approved disposal area, in a manner which complies with all applicable state and federal regulations.

E. Comply with all applicable federal and state laws and regulations during the Work, including, but not limited to, Montana Department of Environmental Quality rules and regulations, including, but not limited to, those pertaining to the handling and storage of fuel, oil, other liquids, and all other hazardous materials, hazardous wastes and other wastes used, stored, released, discharged, spilled or leaked in, on, or near the property of the GOVERNMENT.

1. This includes, but is not limited to, the acquisition of and compliance with any permits required by applicable law with respect to the Work, such as permits for releases under the Resource Recovery and Reclamation Act (RCRA) or the Clean Water Act or the Clean Air Act.

F. Establish and maintain dust control and erosion control during the contract time as directed by the COR, as specified herein, and as required by regulatory agencies.

1. Provide all equipment and personnel necessary to meet the requirements of this responsibility.

2. Provide the COR with name(s) and telephone number(s) of the person(s) designated to maintain dust and erosion control during construction.

G. Prior to bringing any potentially hazardous material onto the site, provide the Safety Data Sheet (SDS) for that product to the COR and obtain approval for its use.

1. The Contractor is strongly encouraged to use only products that do not generate hazardous materials in their waste form and may be precluded from using certain items at the discretion of the COR or BIA REPRESENTATIVE.

2. Comply with all of the manufacturer's directions and all of the applicable rules and regulations pertaining to the handling and disposing of such material.

3. Maintain a file of SDS information on site which shall be available to the COR and BIA REPRESENTATIVE and available for inspection by proper authorities at any time.

4. At the completion of the project, provide the SDS information, including quantities used, to the COR for record retention.

H. Be responsible for characterizing the wastes generated by the Work.

1. Do not dispose of any hazardous wastes, materials, or substances as defined by the Comprehensive Environmental Response, Compensation and Liability Act

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(CERCLA), the Superfund Amendments and Reauthorization Act (SARA) or the Department of Transportation (DOT) on site.

2. Be responsible for the safe packaging, transportation, and disposal costs for hazardous materials.

3. Obtain a U.S. Environmental Protection Agency (EPA) identification number if generation of hazardous wastes will occur.

4. Keep records of waste volumes generated and comply with record keeping, training and reporting requirements specific to their assigned generator category.

I. Be responsible for providing training of those employees meeting the definition of a "hazmat employee" in 49 CFR Part 171.

J. Travel of CONTRACTOR’s vehicles on other than established roads shall be restricted as necessary to prevent erosion, air pollution and water pollution.

K. Report to the COR and BIA REPRESENTATIVE any product, chemical, or waste releases which occur during the course of the contract which are not large enough to require government reporting under CERCLA or SARA.

1. Report all releases required to be reported under applicable laws.

L. Maintain all sediment control structures in good repair and free of debris to perform their designed function.

M. Berm all fuel, antifreeze, and lubricant storage areas to contain spills and prevent soil and water contamination in accordance with Montana Department of Environmental Quality regulations.

N. Do not construct any underground storage tanks for storage of oils, fuels, or other chemicals.

O. Report cultural resource or archaeological sites discovered during the course of the Work immediately to the BIA REPRESENTATIVE and COR before any further disturbance of such sites.

1. Work stoppage may be required, or Work may be redirected to protect these discoveries until appropriate agency clearance can be obtained.

P. Perform job site inspections as directed by the BIA REPRESENTATIVE.

Q. Report immediately any occurrences of slides, faults, or unstable soil to the BIA REPRESENTATIVE and COR immediately upon discovery.

3.07 SECURITY

A. Provide continuous security from intrusion at the site at all times during construction.

1. No unauthorized personnel are allowed onsite.

B. Mark all access roads and construction areas to restrict entry.

C. Barricade, cover, or fence as required all hazardous areas to prevent entry of people, wildlife and livestock.

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3.08 SURVEYS, LINES AND GRADES

A. Construct all Work in accordance with the final grades, lines, and elevations shown on the Drawings and designated by the BIA REPRESENTATIVE in the field.

1. Grades, lines, and elevations shown on the Drawings may be modified by the BIA REPRESENTATIVE under the authority of the COR in the field as required.

2. The CONTRACTOR shall provide all required staking necessary to complete the Work.

3. CONTRACTOR will remove all stakes from work area upon completion of the project.

B. Obtain from the COR written approval prior to destroying any survey stake, point, benchmark, or monument.

1. Assume full responsibility for resurveying and/or replacing any survey stake, point, benchmarks or monument that is moved or damaged by the CONTRACTOR during construction.

C. Provide the BIA REPRESENTATIVE with reasonable notice if and when existing monuments placed by Others are encountered during construction when operations may disturb such monuments.

1. Do not commence Work that would alter or destroy such monuments until they have been referenced by the BIA REPRESENTATIVE.

D. Final pay quantities shall be calculated by the BIA REPRESENTATIVE based on comparison of pre-construction and post-construction cross sections developed from surveys of the site by the CONTRACTOR, by neat line methods if applicable, or by other applicable methods as determined by the BIA REPRESENTATIVE.

1. Final pay quantities for each work-related item are described in the Method of Measurement and Basis of Payment sections described herein.

3.09 SUBMITTALS

A. Contractor submittal requirements are waived for those materials and supplies which are furnished by the GOVERNMENT.

B. Provide submittals in accordance with this and other Sections of the Specifications.

C. Shop Drawings.

1. Provide Shop Drawings or manufacturer’s product data and certifications for items including but not limited to:

a. None

b. All other items required by the COR.

2. Provide two prints of each Shop Drawing.

3. Provide Shop Drawings that sufficiently and clearly show all details of the item.

4. Annotate and sign each Shop Drawing.

D. Submittal scheduling

1. Provide Shop Drawings, manufacturer’s product data and certifications, laboratory test results, and all other required submittals to the COR and BIA

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REPRESENTATIVE at least 14 days prior to incorporation of the item into the Work.

a. Assume sole responsibility for the correctness of submittals, for shop fit and field connections, and for the results obtained from the submittals.

2. Do not furnish, fabricate, or incorporate into the Work any item for which a submittal(s) is required prior to the COR’s approval of the submittal.

3. If the COR returns unapproved submittal(s) to the CONTRACTOR, make required additions and/or corrections and resubmit the submittal(s) to the COR.

E. Approval of a submittal(s) by the COR shall not relieve the CONTRACTOR from responsibility for errors or omissions in the submittal(s).

F. Prepare submittals specifically for this project.

3.10 WARRANTIES

A. Provide warranties as required by the contract documents.

1. Warranties shall not limit length of time for remedy of damages GOVERNMENT may have by legal statute.

2. Warranties shall be signed by CONTRACTOR, Supplier, or Installer responsible for performance or warranty.

3.11 OPERATION AND MAINTENANCE MANUALS AND MANUFACTURER’S INFORMATION

A. Provide the COR with three (3) copies each of all available operation and maintenance manuals and manufacturer’s information regarding all equipment provided and installed during the Work.

PART 4 - METHOD OF MEASUREMENT AND BASIS OF PAYMENT

4.01 METHOD OF MEASUREMENT

A. No separate measurement will be made for items under this Section. Full compensation shall be considered as included in the prices paid for the lump sum bid and therefore no additional compensation will be allowed.

4.02 BASIS OF PAYMENT

A. No separate payment will be made for items under this Section. Full compensation shall be considered as included in the prices paid for the lump sum bid and therefore no additional compensation will be allowed.

4.03 ESTIMATED QUANTITIES

A. All estimated quantities stipulated in the Contract Documents which are to be paid per field measurement are to be considered approximate and are to be used only as a basis for estimating the probable cost of the work. The actual amount of work done and materials furnished under the unit-price items for those items to be field measured may differ from the estimated quantities. The actual basis of payment for work and materials will be the actual amount of work done and materials furnished to the pay lines defined in this section. They will be paid at the unit price bid for the quantities listed.

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B. Pay items that are not field-measured are lump-sum items or based on neat-line plan dimensions. They will be paid at neat-line or the lump-sum price bid for the items listed.

C. The CONTRACTOR agrees to make no claim for damages, anticipated profits or otherwise on account of any difference between the amounts of work actually performed and materials actually furnished and the estimated amounts herein except as follows. Either COR or CONTRACTOR may make a claim for an adjustment in the Contract Unit Price for an item in accordance with Article 11 of the General Conditions of the Contract for Construction.

END OF SECTION 01000

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SECTION 01060 - 1

DIVISION 1 - GENERAL REQUIREMENTS

SECTION 01060 – PERMITS

PART 1 - GENERAL

1.01 WORK INCLUDED

A. Except as otherwise noted, it is the CONTRACTOR’s responsibility to identify, obtain, maintain, and proceed in conformity with all required permits for the Work. The mention of specific permits herein is not a representation that these are the only permits needed for the Work.

B. CONTRACTOR represents it will perform all work in strict accordance with all Permit requirements and will fully cooperate and timely comply with all directions of the COR or other responsible agencies related to the Permit requirements.

C. CONTRACTOR represents by submitting its Bid that it has familiarized itself with all Permit requirements and will strictly comply therewith. Any fines, penalties, or other costs incurred by the GOVERNMENT arising out of or relating to the Work and/or the Permits therefore will be fully repaid to the GOVERNMENT by the

CONTRACTOR.

D. CONTRACTOR shall obtain all Permits necessary for the completion of the Work. Any costs associated with these Permits shall be included as part of the Contract Price and no change order will be issued to increase the Contract Price because of costs associated with Permits. Prior to proceeding with the work authorized by the Permit, the CONTRACTOR shall supply to the COR a copy of all Permits obtained.

CONTRACTOR must comply with all Permits regardless of whether or not the Permit is held in its name. CONTRACTOR shall perform all compliance testing required by the permits.

1.02 SUBMITTALS

A. Copies of all permits obtained by CONTRACTOR.

PART 2 - PRODUCTS - NOT USED

PART 3 - EXECUTION - NOT USED

END OF SECTION 01060

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SECTION 01060 - 2

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SECTION 01150 - 1

DIVISION 1 - GENERAL REQUIREMENTS

SECTION 01150 - MEASUREMENT AND PAYMENT

PART 1 - GENERAL

1.01 SECTION INCLUDES

A. Method of Measurement

B. Basis of Payment

C. Schedule-of-Values requirements for lump-sum items

1.02 SUBMITTALS

A. Submit Schedule-of-Values for all lump-sum items within 2 days of the Notice to Proceed.

1.03 GENERAL

A. The unit bid price for each item of the Contract shall cover all work shown on the Contract Drawings and required by the specifications and other Contract Documents.

All costs in connection with the Work, including furnishing all materials, equipment, supplies and appurtenances; providing all construction plant, equipment, and tools;

and performing all necessary labor and supervision to fully complete the Work, shall be included in the lump-sum bid. No item that is required by the Contract Documents for the proper and successful completion of the Work will be paid for outside of or in addition to the prices submitted in the Bid. All work not specifically set forth as a pay item in the Bid Form is considered a subsidiary obligation of the Contractor and all costs in connection therewith shall be included in the lump sum or unit prices in the bid.

1.04 ESTIMATED QUANTITIES

A. Pay items that are not field-measured are lump-sum items and are based on neat-line plan dimensions. They will be paid at the lump-sum bid for the project.

B. The Contractor agrees to make no claim for damages, anticipated profits or otherwise on account of any difference between the amounts of work actually performed and materials actually furnished, and the estimated amounts herein accept as follows. Either Owner or Contractor may make a claim for an adjustment in the Contract Unit Price for an item in accordance with Article 7 of the General Conditions of the Construction Contract.

1.05 AUTHORITY

A. The Engineer will perform all measurements and compute quantities for payment.

The Engineer will verify measurements and quantities provided by the Contractor.

The Contractor shall provide Engineer access to work areas for survey measurements, as required.

1.06 NON-PAYMENT ITEMS

A. Payment will not be made for certain items, including but not limited to:

1. Wasted products.

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2. Products that are wasted, disposed of, or otherwise handled in an unacceptable manner.

3. Products determined to be unacceptable in the opinion of the Engineer, before or after placement.

4. Products not completely unloaded from the transporting vehicle.

5. Products placed beyond the lines and grades of the required work.

6. Products remaining on hand after completion of the work.

7. Loading, hauling, and disposing of rejected products.

8. Overly wet, overly dry, or frozen-earth material.

9. Excavation or fill made for the convenience of the Contractor.

10. Over excavation and backfill of over excavation.

11. Work performed that has been rejected and/or determined to be defective.

1.07 MEASURED QUANTITIES

A. Lump-Sum: Will not be measured for payment. However, measurements may be made to monitor work progress.

1.08 SCHEDULE OF VALUES

A. A schedule of values or “allocation of contract price” is required for all lump-sum items.

B. The schedule of values is used only to help assess the intermediate value of work completed for the purpose of making progress payments. The schedule of values is not considered as a commitment to prices in case of later negotiations.

1.09 MEASUREMENT AND PAYMENT ITEMS

A. Bid Item No. 100 Mobilization/Prep. Work

1. Description: This item covers the costs of preparatory work and operations.

2. Work Required: Work required under this section shall include but is not limited to the following:

a. Preparatory work and operations performed by the Contractor, including but not limited to those necessary for the movement of personnel, equipment, supplies, and incidentals to the project site, temporary offices, utilities, buildings, and other facilities necessary for all work on the project.

b. Improving and maintaining access roads, parking areas and haul roads (including grading and dust control).

c. All costs associated with obtaining a Storm Water Pollution Prevention Plan Permit (SWPPP), preparing and submitting the Notice of Intent (NOI) and Notice of Termination (NOT) to the Environmental Protection Agency (EPA).

d. The establishment of all facilities necessary for the work on the project.

e. Mobilization costs for subcontracted work/personnel.

f. Required pre-construction meeting, construction schedule meetings, submittals, permits, and construction schedules.

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g. The cost of all work not specifically designated for payment under other Bid Items.

h. All project-specific overhead.

3. Unit of Measurement: Lump Sum (LS).

4. Measurement: Measurement for Mobilization/Prep Work will be made as a percentage completed of the lump sum. 60% of the lump sum will be credited to the first progress payment, with the second 40% being credited to subsequent progress payments in proportion to total construction completed as a percentage of the contract unit price.

5. Payment: Payment for Mobilization/Prep. Work will be made at the Contract lump sum price.

A. Bid Item No. 101 – Taxes, Bond, and Insurance

1. Description: This item covers the costs of taxes, obtaining the required bonds and costs of obtaining the required insurance for the project.

2. Work required: Work required under this section shall include all costs of paying necessary taxes on the project and all costs necessary to obtain and maintain the necessary bonds and insurance to perform the required work. Builder’s Risk “all risk” insurance shall be obtained and included in this payment item per 6.05 of the General Conditions.

3. Unit of Measurement: Lump Sum (LS)

4. Measurement: Measurement for Taxes, Bond, & Insurance will be made as a percentage completed of the lump sum. 50% of the lump sum will be credited to the first progress payment, with the second 50% being credited to subsequent progress payments in proportion to total construction completed as a percentage of the contract unit price.

5. Payment: Payment for Taxes, Bond and Insurance will be made at the Contract lump sum price. Invoices for bonds shall be submitted with payment requests for review and approval.

B. Bid Item No. 102 – Permits

1. Description: This item covers the required permits that may be necessary to perform the required work.

2. Work required: Work required under this section shall include but not be limited to the following:

a. All costs associated with obtaining a Storm Water Pollution Prevention Plan Permit (SWPPP) (if necessary).

b. A 4% TERO tax. The Contractor shall coordinate payment of TERO fees with the Fort Belknap Indian Communities TERO officer prior to starting work.

C. Bid Item No. 103 – Demolition

1. Description: This item covers the demolition and removal of existing items specified on the drawings.

2. Work required: Work required under this section shall include but not be limited to the following:

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a. Demolition, removal and disposal of the existing concrete diversion structure, walkway, and gates. Before the items are removed, the Contractor shall coordinate with the Bureau of Indian Affairs (BIA) on if they would like any of the items such as the walkway and gates to be salvaged. If the BIA wishes for items to be salvaged, the Contractor shall transport the materials to the location specified by the BIA but not more than 30 miles from the project site.

3. Unit of Measurement: Lump Sum (LS)

4. Measurement: Measurement for Demolition will be made as a percentage completed of the lump sum.

5. Payment: Payment for Demolition will be made at the Contract lump sum bid price.

D. Bid Item No. 104 – Diversion Structure

1. Description: This item covers the subgrade preparation, supply, forming, reinforcement installation, pouring, finishing, and curing of the proposed concrete footing, slabs, and walls as specified on the drawings.

2. Work required: Work required under this section shall include but not be limited to the following:

a. Providing submittals to the Engineer for approval.

b. Furnishing and installing structural fill as necessary under the concrete footprint.

c. Furnishing and installing forms, reinforcing steel, concrete, block outs, etc.

necessary to construct the structure onsite.

d. Providing quality assurance, quality control and testing of the structural concrete and structural fill material.

e. Furnish and install base course and separation fabric.

f. All labor, tools, equipment, materials, and incidentals necessary to complete work as specified.

3. Unit of Measurement: Lump Sum (LS)

4. Measurement: Measurement for Diversion Structure will be made as a percentage completed of the lump sum.

5. Payment: Payment for Diversion Structure will be made at the Contract lump sum bid price.

E. Bid Item No. 105 – Headgates

1. Description: This item covers the supply, shipping, handling, and installation of the two proposed headgates as specified in the drawings.

2. Work required: Work required under this section shall include but not be limited to the following:

a. Providing submittals to the engineer for approval.

b. Furnishing and installing all gates, hardware, frames, hand cranks, and other necessary appurtenances for proper gate operation.

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c. Assembly of gate components.

d. Drill, epoxy, anchor, and grouting necessary into proposed structure for proper gate installation.

e. All labor, tools, equipment, materials, and incidentals necessary to complete work as specified.

3. Unit of Measurement: Lump Sum (LS)

4. Measurement: Measurement for Headgates will be made as a percentage completed of the lump sum.

5. Payment: Payment for Headgates will be made at the Contract lump sum bid price.

F. Bid Item No. 106 – Walkway & Handrail

1. Description: This item covers the supply, fabrication, shipping, handling, and installation of the proposed walkway and handrail as specified on the drawings.

2. Work required: Work required under this section shall include but not be limited to the following:

a. Providing submittals to the Engineer for approval.

b. Furnishing and installing walkway structure, grate, and handrails.

c. Drill, epoxy, and anchoring necessary to secure walkway and handrails to the structure.

d. All labor, tools, equipment, materials, and incidentals necessary to complete work as specified.

3. Unit of Measurement: Lump Sum (LS)

4. Measurement: Measurement for Walkway & Handrail will be made as a percentage completed of the lump sum.

5. Payment: Payment for Walkway & Handrail will be made at the Contract lump sum bid price.

G. Bid Item No. 107 – Riprap

1. Description: This item covers all labor, materials, and equipment necessary for furnishing and placing riprap, nonwoven geotextile, and all other work necessary for completion of the item.

2. Work required: Work required under this section shall include but not be limited to the following:

a. Furnishing and placement of riprap in accordance with the construction plans and project specifications.

b. Furnishing and placement of nonwoven geotextile in accordance with the construction plans and project specifications.

c. Salvage, stockpile, and place riprap from existing channel outlet area.

d. Submittal of material specifications from material source to the ENGINEER for approval.

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e. All labor, tools, equipment, materials, royalties, and incidentals necessary to complete work as specified.

3. Unit of Measurement: Lump Sum (LS)

4. Measurement: Measurement for Riprap will be made as a percentage completed of the lump sum.

5. Payment: Payment for Riprap will be made at the Contract lump sum bid price.

H. Bid Item No. 108 – Site Work and Revegetation

1. Description: This item covers all labor, materials, and equipment necessary for excavation and compacted fill work, installation and maintenance of proposed dewatering methods, installation of cofferdams, clearing and grubbing, soil placement and grading, proper disposal of unused excavated material, erosion control, dust control, seeding, and all other work necessary for completion of the item.

2. Work required: Work required under this section shall include but not be limited to the following:

a. Providing submittals to the Engineer for approval.

b. Furnish and utilize dewatering pumps as necessary to facilitate construction of the project.

c. Furnish, install, and removal of cofferdams as necessary to facilitate construction of the project.

d. Excavation, hauling, backfill and compaction of material to the lines and grades of the drawings.

e. Stripping, salvaging, and placing of soil as necessary to facilitate construction as necessary to complete the item.

f. Performing dust control and erosion control as necessary.

g. All material removed from the project area and not reused for grading needs to be disposed of at an approved uplands location out of the floodplain a maximum distance of 10 miles.

h. Furnish and place approved seed mixtures on all areas disturbed during construction.

i. All labor, tools, equipment, materials, and incidentals necessary to complete work as specified.

3. Unit of Measurement: Lump Sum (LS)

4. Measurement: Measurement for Site Work and Revegetation will be made as a percentage completed of the lump sum

5. Payment: Payment for Site Work and Revegetation will be made at the Contract lump sum bid price.

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SECTION 01150 - 7

PART 2 - PRODUCTS - NOT USED

PART 3 - EXECUTION – NOT USED

PART 4 - MEASUREMENT AND PAYMENT – NOT USED

END OF SECTION 01150

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SECTION 01150 - 8

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SECTION 01150 - 8

SITEWORK

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02140 - 1

DIVISION 2 - SITEWORK

SECTION 02140 – DEWATERING, RIVER DIVERSION, AND COFFERDAMS

PART 1 - GENERAL

1.01 SECTION INCLUDES

A. Dewatering

B. River Diversion

C. Cofferdams

1.02 SUBMITTALS

A. Conform with Section 01300 – Submittals

B. Submit a dewatering and stream diversion plan prior to construction showing the proposed method of keeping the construction area as dry and safe as possible, as determined by the BIA REPRESENTATIVE.

C. Submit drawings and calculations prepared by a professional engineer showing the proposed method of cofferdam construction and dewatering procedures before starting the work. The cofferdam must meet OSHA requirements and approved U.S.

Army Corps of Engineers permitting.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION

3.01 GENERAL

A. Design, install, test, operate, maintain, and monitor dewatering, river diversion, and cofferdam facilities. Collect discharge water from dewatering, river diversion, and cofferdam systems, and convey water to discharge points as approved by the

BIA REPRESENTATIVE.

B. Keep all excavations dry and free from water during construction and the placement of materials.

3.02 DEWATERING

A. Furnish all necessary labor, equipment, pumps, and incidentals necessary to dewater the project site during construction.

B. Before excavating to final grade for structures, bring the water level to an acceptable level as determined by the COR. Maintain this water level until the structures are completed and backfill has been placed around the structures.

C. Control pumping operations so that the groundwater level rises and lowers slowly and uniformly.

D. Groundwater levels may fluctuate due to seasonal conditions.

3.03 RIVER DIVERSION

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02140 - 2

A. Keep the construction area free from water by pumped dewatering and use of cofferdam as shown on the Drawings or approved by BIA REPRESENTATIVE.

3.04 COFFERDAMS

A. Removing boulders, logs, and other obstructions found in the cofferdam area or during placement of the cofferdam is incidental to the work.

B. Ensure cofferdams are watertight to permit dewatering.

C. Provide clearance within the cofferdam for constructing forms, inspection of the form exteriors, and for pumping.

D. Re-align or enlarge the constructed cofferdams that are tilted or moved laterally during the work to provide work clearance at Contractor expense.

E. Repair or replace failed cofferdams, construction materials, or both at Contractor expense.

F. Remove all cofferdam material after the structure is complete without disturbing or marring the finished work.

G. Pumping Water from Cofferdams

1. Pump cofferdam enclosures without disturbing in-place concrete. Pump from a location away from the concrete pour to ensure no impacts to the newly poured concrete.

3.05 PROTECTION

A. Provide sufficient protection at all times to ensure the safety of personnel, equipment, and materials, and the public for activities relating to dewatering, diversion, and cofferdam work.

3.06 DISCHARGE OF WATER

A. Do not allow water resulting from dewatering and diversion activities to be discharged or disposed of in such a manner as to damage project or adjacent property.

B. Discharge water in compliance with construction permits and all applicable laws and regulations.

3.07 EXISTING STRUCTURES

A. Conduct dewatering, diversion, and cofferdam activities in a manner to avoid damage to existing structures.

B. CONTRACTOR is responsible for repairing all structures damaged as a result of the dewatering, diversion, and cofferdam work.

C. No additional payment will be made to CONTRACTOR for repairing any structures damaged by dewatering, diversion, and/or cofferdam work.

3.08 CLEANUP

A. Upon completion of project tasks requiring temporary dewatering, diversion, and/or cofferdam facilities specified herein, remove all such facilities, grade, and restore

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02140 - 3 all disturbed areas to their original condition, and in accordance with these specifications.

B. No berms, excavations for dewatering, or similar features are allowed to remain at the completion of restoration.

C. All restoration is subject to approval by the COR.

END OF SECTION 02140

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02140 - 4

CONCRETE

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SECTION 031000 - 1

DIVISION 3 - CONCRETE

SECTION 031000 - CONCRETE FORMWORK

PART 1 - GENERAL

1.01 SECTION INCLUDES

A. Concrete Formwork with shoring, bracing, and anchorage.

B. Openings for other Work.

C. Form accessories.

D. Form stripping.

1.02 REFERENCES

A. ACI 117 & 117R: Standard Tolerances for Concrete Construction and Materials.

B. ACI 301: Structural Concrete for Buildings.

C. ACI 347: Recommended Practice for Concrete Formwork.

D. PS-1: Construction and Industrial Plywood.

1.03 SUBMITTALS

A. Conform with Section 01300 - Submittals

B. Submit product data for form materials and accessories.

C. Submit Safety Data Sheets (SDS) and maintain copy in CONTRACTOR's field office.

1.04 DESIGN REQUIREMENTS

A. Design and construct formwork, shoring, and bracing to conform to code requirements.

B. Design and construct formwork such that resultant concrete will conform to required shapes, lines, and dimensions.

1.05 QUALITY CONTROL

A. Conform to ACI 301 and recommendations of ACI 347 except as modified by these Specifications.

B. Conform to tolerances specified in ACI 117 except as modified by these Specifications.

C. Provide two current originals of the “ACI Field Reference Manual”; SP1599: Maintain one copy onsite, and provide the other to RPR for onsite inspections (see Submittals).

PART 2 - PRODUCTS

2.01 FORM MATERIALS

A. Plywood: B-B concrete-form plywood, exterior-grade mill-oiled and edge-sealed, high-density overlaid, or equivalent smooth-form liner for smooth-form or rubbed finish.

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SECTION 031000 - 2

B. Glass Fiber-Fabric Reinforced Plastic Forms: Matched, tight fitting, stiffened to support concrete loads without deflection exceeding structural tolerances and finished appearance.

C. Lumber: Fir species; No. 2 grade or better; with grade stamp clearly visible.

D. Steel: Minimum 16-gauge sheet, well-matched, tight fitting, stiffened to support concrete load without deflection exceeding structural tolerances and finished appearance.

2.02 FORMWORK ACCESSORIES

A. Form Ties: Removable snap-off type, galvanized-metal, fixed-length, cone-type, with waterproofing washer, free of defects that could leave holes larger than 1¼ inch (32mm) in concrete surface.

B. Form-Release Agent: Colorless, does not contain diesel, stain concrete, absorb moisture, or impair natural bonding or color characteristics of coating.

C. Chamfer Strips: Rigid plastic or wood strip, ¾ x ¾ inch, practical lengths, unless otherwise shown.

D. Nails, Spikes, Lag Bolts, Through Bolts, Anchorages: Sized as required and of sufficient strength and character to maintain formwork in-place while placing concrete.

PART 3 - EXECUTION

3.01 INSPECTION

A. Verify lines, levels and centers before proceeding with formwork. Ensure that dimensions agree with Drawings.

3.02 CONCRETE PLACED AGAINST EARTH OR ROCK

A. Hand trim sides and bottom of earth surface against which concrete will be placed.

Remove loose soil prior to placing concrete.

B. When placing concrete against rock is indicated or permitted, rock face shall be sound and no rock shall extend inside the concrete lines indicated.

3.03 FORMWORK

A. Erect formwork, shoring and bracing to achieve design requirements in accordance with requirements of ACI 301.

B. Provide bracing to ensure stability. Shore or strengthen formwork that is subject to overstressing by construction loads.

C. Arrange and assemble to permit dismantling, stripping of forms and removal of principal shores. Do not damage concrete during stripping.

D. Align joints and make tight to prevent leakage of mortar. Keep form joints to a minimum.

E. Provide chamfer strips on all external corners including tops of walls, unless indicated otherwise.

3.04 FORM-RELEASE AGENT

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SECTION 031000 - 3

A. Apply form-release agent in accordance with manufacturer's recommendations.

B. Apply prior to placement of reinforcing steel, anchoring devices and embedded items.

C. Place concrete within 14-calendar days of applying form-release agent to form. If concrete is not placed within 14-calendar days, remove forms and reapply form-release agent.

D. Do not apply form-release agents that may affect concrete surfaces that are scheduled to receive special finishes, such as crystal-forming waterproofing. Soak contact surfaces of untreated forms with clean water. Keep surfaces wet prior to placing concrete.

3.05 INSERTS, EMBEDDED PARTS AND OPENINGS

A. Provide formed openings where required for items to be embedded in or pass through concrete work.

B. Locate and set in-place items that will be cast directly into concrete.

C. Coordinate work of other sections in forming and placing openings, sleeves, bolts, anchors, and other inserts.

D. Install accessories conforming to manufacturer's instructions, straight, level, and plumb. Secure all embedded items before placing concrete. Ensure that items are not disturbed during concrete placement. Fill voids with readily removable material to prevent entry of concrete.

E. Install waterstops continuous without displacing reinforcement in accordance with the manufacturer’s instructions.

F. Provide temporary ports or openings in forms where required to facilitate cleaning of joint surfaces and inspection. Locate openings at bottom of forms to allow water to drain.

G. Close temporary openings with tight-fitting panels flush with inside face of forms and neatly fitted so joints will not be apparent in exposed-concrete surfaces.

3.06 FORM CLEANING

A. Clean and remove foreign matter from within forms as erection proceeds.

B. Clean formed cavities of debris prior to placing concrete.

C. Flush between forms with water or compressed air to remove remaining foreign matter. Ensure that water and debris drain to exterior through clean-out ports.

D. During cold weather, remove ice and snow from within forms. Do not use de-icing salts. Do not use water to clean out forms unless formwork and concrete construction proceed within heated enclosure. Use compressed air or other means to remove foreign matter.

3.07 FORMWORK TOLERANCES

A. Construct formwork to maintain tolerances required by ACI 301.

3.08 FIELD QUALITY CONTROL

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SECTION 031000 - 4

A. Inspect erected forms, shoring, and bracing to ensure that Work conforms to design, and that supports, fastenings, wedges, ties, and items are secure.

3.09 FORM REMOVAL

A. Notify COR and BIA REPRESENTATIVE prior to removal of forms.

B. Remove forms in a manner that will not damage concrete.

C. Do not wedge pry bars, hammers, or tools against finished concrete surfaces scheduled for exposure to view.

D. Store forms in a manner that surfaces to be in contact with fresh concrete will not be damaged. Discard damaged forms.

E. Forms for walls, columns, and sides of beams and girders may be removed no less than the following number of days after concrete placement provided that the forms do not support slabs or beam soffits:

1. Lifts under 5 feet: 1 day (24 hours)

2. Lifts of 5 to 10 feet: 2 days (48 hours)

3. Lifts greater than 10 feet: 3 days (72 hours)

F. Limit construction loads on new concrete structures at all times to those that can be carried safely by the developed strength of the structure, and by formwork and shoring in-place at time of loading.

END OF SECTION 031000

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SECTION 033000 - 1

DIVISION 3 - CONCRETE

SECTION 033000 - CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.01 SECTION INCLUDES

A. Structural Concrete

B. Foundation cleaning and preparation for concrete placements.

1.02 REFERENCES

A. Reference to standards, specifications, and codes herein are to mean the latest revisions.

B. Comply with the provisions of the following standards, specifications, reports and codes except where different requirements are shown or specified:

1. ACI 117 and 117R Standard Specifications for Tolerances for Concrete

2. ACI 301 Specifications for Structural Concrete

3. ACI 302.1R Guide for Concrete Floor and Slab Construction

4. ACI 304R Guide for Measuring, Mixing, Transporting, and Placing Concrete

5. ACI 304.2R Placing Concrete by Pumping Methods

6. ACI 304.4R Placing Concrete with Belt Conveyors

7. ACI 305R Hot Weather Concreting

8. ACI 306.1 and 306R Cold Weather Concreting

9. ACI 308R Guide to Curing Concrete

10 ACI 309R Guide for Consolidation of Concrete

11 ACI 318R Building Code Requirements for Structural Concrete

12. ASTM C 33 Specifications for Concrete Aggregates

13. ASTM C 94 Specifications for Ready-Mixed Concrete

14. ASTM C 150 Specifications for Portland Cement

15. ASTM C 171 Specification for Sheet Materials for Curing Concrete

16. ASTM C 227 Test Method for Potential Alkali Reactivity of Cement- Aggregate Construction (Mortar-Bar Method)

17. ASTM C 231 Air Content of Freshly Mixed Concrete by the Pressure Method

18. ASTM C 260 Specifications for Air Entraining Admixtures for Concrete

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SECTION 033000 - 2

19. ASTM C 309 Specification for Liquid Membrane-Forming Compounds for Curing Concrete

20. ASTM C 494 Specifications for Chemical Admixtures for Concrete

21. ASTM C 618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use as A Mineral Admixture in Portland Cement Concrete

22. ASTM C 881 Specification for Epoxy-Resin-Base Bonding Systems for Concrete

23. ASTM C 1064 Temperature of Freshly Mixed Concrete

1.03 DEFINITIONS

A. Joints: Discontinuities that are purposely placed in concrete to facilitate construction; to allow for the placement of subsequent concrete; to reduce relative displacements; to…