Attach_2_-_Revised_Specifications.pdf

Specifications/Statement of Work SW Native Aquatic Resources & Recovery Center Chaves County, NM

2017 POND KETTLE AND

LINER REPLACEMENT

Asset Nos. 10008810 and 10008790 Install New Kettles 10008810, 10008797, 10008798, 10008799 Install New Liner

United States Fish and Wildlife Service Division of Engineering 500 Gold Ave. S.W.

Albuquerque, New Mexico 87103

SOUTHWESTERN NATIVE ARRC POND KETTLE AND LINER

CHAVES COUNTY, NEW MEXICO REPLACEMENT 2017

GENERAL INFORMATION AND REQUIREMENTS 01009 - 1

SECTION 01009 - GENERAL INFORMATION AND REQUIREMENTS

PART 1 - GENERAL

1.1 SUMMARY

A. Description of Work: The Work includes:

1. Demolition of existing concrete pond kettles at Ponds 1C & 4A and removal of existing liner at Pond 1C.

2. Constructing new concrete replacement kettles and installing a new liner in Pond 1C using Government Furnished liner and materials and reattach existing lining at Pond 4A to newly constructed kettle.

3. Installing Contractor Furnished liner and materials to line ponds 1B, 2B, and 3B

4. Earth work: Reshaping of pond side-slopes and inverts to ensure smooth and uniform grades.

Re-compaction of a minimum of 12 inches beneath each newly constructed kettle.

5. New pond liner shall be installed as per manufacturer’s requirements.

6. New kettles shall be constructed at the same elevations of the demolished structures to ensure that water does not “pond” at the pond liner/kettle attachments and all new drains tie into existing drains – See attached plans.

B. Location: Work under this Contract is located approximately 25 miles southeast of Roswell, New

Mexico, on the Southwestern Native Aquatic Resources & Recovery Center formally known as Dexter National Fish Hatchery & Technology Center.

1.2 REFERENCES

A. Referenced Specifications/Standards with Abbreviations and/or Acronyms: Wherever the following acronyms are used in these specifications or on the drawings, they are to be construed the same as the respective expressions represented. Copies of the referenced specifications/standards referred to herein may be procured by the Contractor, from the following:

ACI American Concrete Institute

P.O. Box 19150 Detroit, MI 48219

ASTM American Society for Testing and Materials

100 Barr Harbor Dr.

West Conshohocken PA 19428-2959

EPA Environmental Protection Agency

401 M St., SW Washington, DC 20460

OSHA Occupational Safety and Health Administration

US Department of Labor 200 Constitution Ave., NW

Washington DC 20210

SOUTHWESTERN NATIVE ARRC POND KETTLE AND LINER

CHAVES COUNTY, NEW MEXICO REPLACEMENT 2017

GENERAL INFORMATION AND REQUIREMENTS 01009 - 2

AASHTO American Association of State Highway and Transportation Officials 444 North Capitol Street, N.W., Suite 249 Washington, DC 20001

1.3 DEFINITIONS

A. Approvals: Approval of the submittals is an indication that the Contractor's submittals have been reviewed and that there are no exceptions taken, except as noted. Approval of deviations shall apply only to those deviations or omissions from the requirements of the drawings and specifications brought to the Contracting Officer's attention in writing. After approval of an item, submit a substitute for approval when the approved item cannot be purchased or delivered in time to avoid delay in completion of the project. Approval of submittals does not relieve the Contractor of errors, omissions, or from complying with the Contract’s requirements.

1.4 SUBMITTALS

A. Submit manufacturer’s literature, testing reports, and samples.

B. Requirements: Refer to specifications for submittals required. Allow at least 10 working days for review. Submittals shall be delivered to the Contracting Officer’s Representative, Division of Engineering. P.O. Box 1306, Albuquerque, NM 87103-1306.

C. The Contractor shall review and approve all submittals required under the Contract. The

Contractor shall submit 3 copies of drawings, schedules, brochures, catalogs, and other data required for the work before proceeding with the work. Submittals shall come directly from the Contractor with their stamp and signature of approval. Submittals that do not indicate the Contractor's review and approval will be returned without review; submittals will not be accepted from sub-contractors or suppliers. The Government will require 7 working days for review of each submittal, plus transmittal time back and forth. Required submittals are listed in the section of work for which the submittal is required.

D. As-built Drawings: Upon completion of the work, the Contractor shall furnish one set of "as built" drawings. These drawings shall be contract drawings corrected in red ink to show any differences between contract drawings and actual construction. All changes made during construction shall be noted. Provide sketches and details where necessary to more fully describe the work performed. Each drawing showing changes in dimensions, details, or containing supplemental information shall be plainly marked "As Built" and shall contain the signature of both the Government Project Inspector and the Contractor.

E. Identification of Submittals: Completely identify each submittal by showing at least the following information:

1. Name and address of submitter, plus name and telephone number of the individual to contact for further information.

2. Name of project as it appears in these specifications.

3. Contract number, drawing number, and specification section number to which the submittal applies.

4. Whether this is an original submittal or re-submittal.

5. Each item shall clearly note the manufacturer's name and address, trade name, product, lot, style, color, catalog designation or model number, and locations of use.

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GENERAL INFORMATION AND REQUIREMENTS 01009 - 3

1.5 QUALITY ASSURANCE

A. Codes and Standards: The work shall comply with codes and standards applicable to each type of work and as listed in the individual sections of these specifications. This Contract incorporates materials, applications, and tests by reference, with the same force and effect as if they were given in full text.

B. Conflict: Where a conflict occurs between reference documents and project specifications, the project specifications shall govern.

C. Measurements: Where approved manufacturer's diagrams and shop drawings give specific measurements or rough-in dimensions for equipment, these dimensions shall take precedence over dimensions indicated on the drawings.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Delivery: Protect products incorporated into the work from damage while in transit to the site.

Products must be delivered in original unopened containers with manufacturer's name, brand designation, and contents legibly indicated.

B. Storage: Provide temporary storage facilities for products. Storage shall comply with the manufacturer's instructions. The storage area shall permit access for inspection and handling.

C. Handling: Load and unload products protecting them from damage.

1.7 PROJECT CONDITIONS

A. Access to the Work: The Contractor shall coordinate the use of the premises with the Contracting

Officer and Hatchery Manager to avoid interruption of station operations. The Contractor is responsible for protection and safekeeping of the site and all furnished or constructed items until final acceptance by the Government. The Contractor may use existing roads for access to the site.

The Contractor shall maintain existing roads and access ways affected by the Contractor’s operations. Any damage done by the Contractor’s operations shall be repaired or restored at the Contractor's expense.

B. Housekeeping: Routinely, or upon notice by the Government, the Contractor shall clean up and remove from the job site all waste, debris, equipment and surplus material resulting from operations. In the event he fails to complete the requested clean-up of any specific area within seven calendar days following notification, the Government may cause this work to be performed at the Contractor’s expense.

C. Staging Areas: All operations of the Contractor, including storage of materials, on Government premises shall be confined to areas authorized or approved by the Government. Government premises adjacent to the construction area may be made available for use by the Contractor without cost whenever such use will not interfere with other Government uses or purposes. Areas used for staging shall be delineated by the Hatchery Manager prior to commencement of work.

SOUTHWESTERN NATIVE ARRC POND KETTLE AND LINER

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GENERAL INFORMATION AND REQUIREMENTS 01009 - 4

Note that storage of Contractor’s equipment on Government premises is at its own risk and the Government assumes no responsibility for vandalism or theft.

D. Availability of Utilities: Power and potable water for construction is not available at the site.

The Contractor shall make all arrangements to provide power and water if needed for its operations. Non-potable water is available at no charge from various natural sources near the site. The Contractor shall make all arrangements to provide non-potable water from these sources. Access to lakes and canals for non-potable water shall be coordinated with the Government and is subject to the approval of the Contracting Officer.

1.8 SEQUENCING AND SCHEDULING

A. Work Schedule: The schedule shall be submitted at the pre-work conference. When requested, submit an updated schedule within 3 calendar days. As a minimum, the estimated start and completion dates shall be shown in the estimate.

B. The Contractor’s normal work schedule shall be 7:30 a.m. to 4:00 p.m., Monday through Friday.

No work shall be performed on Saturdays, Sundays, or federal holidays, unless authorized in writing by the Contracting Officer.

1.9 SAFETY

A. The Contractor shall comply with all applicable safety codes and regulations including but not limited to Occupational Safety and Health Administration regulations, 29 CFR, Part 1926. The Contractor shall perform his operations so as to ensure safety of his workers, the public, and Government personnel.

PART 2 - PRODUCTS

(There are no applicable requirements.)

PART 3 - EXECUTION

3.1 PROJECT MEETINGS

A. Pre-Work Conference:

1. Will be held prior to the start of work. The Contractor will be notified in advance of meeting time, date and place. The purpose will be to review required work, project drawings and specifications, construction schedules, payroll and payments, and administrative provisions of the Contract.

2. The Contractor, subcontractors and the persons responsible for coordination of the work shall be present at the meeting.

3. Be prepared to summarize and explain procedures planned for the project.

B. Progress Meetings:

1. To be held at the project site, or as determined by the Contracting Officer.

2. May be called by either the Contracting Officer or the Contractor. Request shall state who should attend and include an agenda.

SOUTHWESTERN NATIVE ARRC POND KETTLE AND LINER

CHAVES COUNTY, NEW MEXICO REPLACEMENT 2017

GENERAL INFORMATION AND REQUIREMENTS 01009 - 5

C. Final Inspection:

1. To be held at the project site, or as determined by the Contracting Officer.

2. Notify the Contracting Officer in writing at least 10 working days before the completion date to allow the Government to schedule a final inspection.

3.2 DISPOSAL OF DEBRIS

A. Items or debris not designated as salvage shall be disposed of by the Contractor off station grounds in a legal manner and in accordance with applicable local codes.

3.3 WARRANTY

A. Requirements: Materials and equipment furnished under this Contract shall be covered by the most favorable commercial warranties given to customers for such materials or equipment. The rights or remedies provided herein are in addition to and do not limit rights afforded to the Government by other clauses of this Contract. With respect to warranties, expressed or implied, from manufacturers or suppliers for materials or equipment furnished under the Contract the Contractor shall:

1. Obtain warranties that would be given in normal commercial practices.

2. Require warranties to be executed, in writing, for the benefit of the Government.

3. Submit warranties to the Contracting Officer prior to the final inspection.

PART 4 - MEASUREMENT AND PAYMENT

4.1 MEASUREMENT

A. All items associated with complying with this section will not be measured for payment.

4.2 PAYMENT

A. Payment for all work associated with complying with this section shall be included in the prices bid in the schedule for other items of work. No separate payment will be made to the Contractor for work required in this section.

END OF SECTION 01009

SOUTHWESTERN NATIVE ARRC POND KETTLE AND LINER

CHAVES COUNTY, NEW MEXICO REPLACEMENT 2017

EARTHWORK 02300-1

SECTION 02300 - EARTHWORK

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes excavation, backfill, and compacting backfill around and under the kettles, and around pipes.

B. For grading of pond and preparation of subgrade prior to Pond Liner installation, see Section 0266.

1.2 DEFINITIONS

A. Backfill: Soil materials used to fill an excavation.

B. Borrow:

1. Satisfactory soil imported from on-site borrow area or off-site for use as fill or backfill under kettles.

C. Excavation: Removal of material encountered above sub-grade elevations.

1. Additional Excavation: Excavation below sub grade elevations as directed by Contracting Officer. Additional excavation and replacement material will be paid for according to Contract provisions for changes in the Work.

2. Unauthorized Excavation: Excavation below sub grade elevations or beyond indicated dimensions without direction by Contracting Officer. Unauthorized excavation, as well as remedial work directed by Contracting Officer, shall be without additional compensation.

D. Fill: Soil Material used to raise existing grades.

E. Sub-grade: Surface or elevation remaining after completing excavation, or top surface of a fill or backfill immediately below sub-base, drainage fill, or topsoil materials.

PART 2 - PRODUCTS

2.1 SOIL MATERIALS

A. General: The Contractor shall provide borrow soil materials from onsite borrow sources designated by Hatchery Manager when sufficient satisfactory soil materials are not available from excavations.

B. Satisfactory Soils under kettles: ASTM D 2487 Soil Classification Groups GW, GP, GM, SW, SP, and SM, or a combination of these group symbols; free of rock or gravel larger than 3 inches in any dimension, debris, waste, frozen materials, vegetation, and other deleterious matter.

C. Unsatisfactory Soils under kettles: ASTM D 2487 Soil Classification Groups GC, SC, ML, MH, CL, CH, OL, OH, and PT, or a combination of these group symbols.

SOUTHWESTERN NATIVE ARRC POND KETTLE AND LINER

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EARTHWORK 02300-2

D. Backfill and Fill: Satisfactory soil materials.

E. Gravel Bedding: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D 2940; except with 100 percent passing a 1-1/2 inch sieve and not more than 8 percent passing a No. 200 sieve or Grade 57 crushed gravel.

3.1 PREPARATION

A. Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, freezing temperatures or frost, and other hazards created by earthwork operations. Provide protective insulating materials as necessary.

B. Provide erosion-control measures to prevent erosion or displacement of soils and discharge of soil-bearing water runoff or airborne dust to adjacent properties.

C. Prevent surface water and ground water from entering excavations, from ponding on prepared sub-grades, and from flooding Project site and surrounding area.

D. Protect sub-grades from softening, undermining, washout, and damage by rain or water accumulation.

3.2 EXCAVATION

A. Perform excavation to the lines and grades shown on the drawings or as directed. Blasting will not be permitted. Slope or shore trench excavation shall be in accordance with OSHA regulations for safety. Excavate to sub-grade elevations regardless of the character of surface and subsurface conditions encountered, including rock, soil materials, and obstructions.

1. If excavated materials intended for fill and backfill include unsatisfactory soil materials and rock, replace with satisfactory soil materials.

B. Through sections containing rock and where directed through sections of hard and compact material and through sections containing coarse gravel, cobbles, and boulders that cannot be excavated and trimmed efficiently with excavating and trimming machinery, excavate so that there will not be less than 3 inches between any point of the excavated surface and the underside of the structure. Prevent overbreakage outside of the surfaces upon which lining is to be placed. Any such overbreakage and refill thereof shall be at the expense of the Contractor.

C. Proof roll sub grades, before filling or placing aggregate courses, with heavy pneumatic-tired equipment to identify soft pockets and areas of excess yielding. Do not proof roll wet or saturated sub-grades.

D. Reconstruct sub grades damaged by freezing temperatures, frost, rain, accumulated water, or construction activities. Do not place material in ponds when either the material or the surfaces on which the material is to be placed are frozen.

E. Stockpile borrow materials and satisfactory soil materials, without intermixing, in shaped, graded, drained, and covered stockpiles. Stockpile soil materials away from edge of excavations and outside drip line of remaining trees.

F. Excavate unsuitable material from pond surfaces to receive backfill. Dispose of excavated

SOUTHWESTERN NATIVE ARRC POND KETTLE AND LINER

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EARTHWORK 02300-3

unsuitable material in the onsite waste area designated by the Hatchery Manager.

3.3 BACKFILLS, FILLS AND COMPACTION

A. Fill: Place and compact fill material in layers to required elevations.

B. Uniformly moisten or aerate sub grade and each subsequent fill or backfill layer before compaction to within 2 percent of optimum moisture content.

1. Remove and replace, or scarify and air dry, otherwise satisfactory soil material that exceeds optimum moisture content by 2 percent and is too wet to compact to specified dry unit weight.

C. Compaction: Place backfill and fill materials in layers not more than 12 inches in loose depth for material compacted by heavy compaction equipment, and not more than 4 inches in loose depth for material compacted by hand-operated tampers.

D. Compact soil to not less than the following percentages of maximum dry unit weight according to ASTM D 698:

1. Under structures, scarify and re-compact top 12 inches of existing sub-grade and each layer of backfill or fill material at 90 percent.

2. Where cohesionless soils are to be compacted, compact to a minimum relative density of 70 percent according to ASTM D 4253 or D 4254.

F. Backfill pipes at kettles with soil cement to the dimensions shown on the drawings.

1. Ensure that soil cement flows evenly under the pipe and to both sides filling all voids.

Backfill may be placed over the soil cement once soil cement has reached its initial set.

G. Grading: Uniformly grade areas to a smooth surface, free from irregular surface changes.

Comply with compaction requirements and grade to cross sections, lines, and elevations indicated. Grade unpaved sub-grades to tolerances of plus or minus 1 inch.

3.4 GRAVEL BEDDING

A. Under slabs-on-grade or as indicated, place gravel bedding on prepared subgrade and as follows:

1. Compact gravel bedding to required cross sections and thickness to a minimum relative density of 70 percent according to ASTM D 4253 or D 4254.

3.5 FIELD QUALITY CONTROL

A. Testing Agency: Contractor will engage, at its expense, a qualified independent testing and inspecting agency to perform field tests and inspections and to prepare test reports. All testing results shall be submitted to the Contracting Officer, for review and acceptance, a minimum of 48 hours after completion of test.

B. Allow testing agency to test and inspect sub grades and each fill or backfill layer. Proceed

SOUTHWESTERN NATIVE ARRC POND KETTLE AND LINER

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with subsequent earthwork only after test results for previously completed work comply with requirements.

C. A minimum of 2 soil density tests shall be made at even intervals within the footprint of the each kettle.

E. When testing agency reports that sub grades, fills, or backfills have not achieved degree of compaction specified, scarify and moisten or aerate, or remove and replace soil to depth required; re-compact and retest until specified compaction is obtained.

3.6 PROTECTION AND DISPOSAL

A. Protect newly graded areas from traffic, freezing, and erosion. Keep free of trash and debris.

B. Repair and reestablish grades to specified tolerances where completed or partially completed surfaces become eroded, rutted, settled, or where they lose compaction.

A. Measurement for Compacted Backfill for the kettles will not be made.

B. Measurement for Excavations for the kettles will not be made.

C. All other items associated with complying with this section will not be measured for payment.

A. Payment for Excavation for the kettles shall be made at the unit price bid per each in the schedule for “Construct Concrete Kettle at Pond __ .”, which unit price shall include the cost of all work associated therewith.

B. Payment for Compacted Backfill for the kettles shall be made at the unit price bid per each in the schedule for “Construct Concrete Kettle at Pond __.”, which unit price shall include the cost of all work associated therewith.

C. All other costs of complying with this section shall be included in the prices bid in the schedule for other items of work. No separate payment will be made to the Contractor for work other than that described above.

END OF SECTION 02300

POND RESERVOIR LINERS 02666-1

SECTION 02666 - POND RESERVOIR LINERS

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes impermeable geomembrane pond and reservoir liners fabricated from the following:

1. Ethylene-propylene-diene monomer (EPDM).

B. It is critical to the Hatchery’s harvest procedures that there are no excessive wrinkles or puckers in the liner that could possibly impede the flow of water and cause fish to become stranded in them.

Within a given year the ponds may be drained and refilled as many as six (6) times. The Hatchery works specifically with Federally listed threatened and endangered fish species. Many of the stocks are limited in numbers and the Hatchery cannot afford to lose them.

1.2 SUBMITTALS

A. Product Data: Lining materials will be furnished by the Government for Pond 1C ONLY. This includes Liner, Sealing Tape, Stainless Batten Bar, and Stainless Anchor Bolts. Materials used to line other ponds shall be Contractor Furnished.

B. Shop Drawings: Include details of installation, panel layout, seams, penetrations, perimeter anchorage, and methods of sealing to other construction. Differentiate between factory and field seams and joints. All shop drawings shall be submitted to the Contracting Officer, for review and acceptance, a minimum of Ten (10) working days prior to installation.

C. Product test reports. All test reports shall be submitted to the Contracting Officer’s Representative, for review and acceptance, a minimum of Ten (10) working days prior to installation.

D. Layout Diagrams: Provide drawings or diagrams showing layout and seaming at corners of ponds to the Contracting Officer, for review and acceptance, a minimum of ten (10) working days prior to installation.

E. Samples: For each exposed product include one 12-inch seam length for factory-bonded sheets and one 12-inch seam length for field-bonded sheets

1.3 QUALITY ASSURANCE

A. Installer Qualifications: Installer shall be the manufacturer or approved by manufacturer to install manufacturer's products. Installation shall be performed under the constant direction of a single Field Installation Supervisor who shall remain on site and be in responsible charge, throughout the liner installation - for liner layout, seaming, patching, testing, repairs, and all other activities by the Contractor. This Installation Supervisor shall have installed and/or supervised the installation and seaming of a minimum of 5,000,000 square feet of flexible membrane liner. Actual seaming shall be performed under the direction of an experienced joiner (who may also be the Installation

POND RESERVOIR LINERS 02666-2

Supervisor) who has joined a minimum of 2,000,000 square feet of flexible membrane liner, using the same type of flexible membrane liner joining method specified in the current Work. This Installation Supervisor shall be present whenever seaming is performed.

B. Pre-installation Conference: Conduct conference at Project site prior to installation of products.

1.4 WARRANTY

A. Special Warranty: Specified form in which geomembrane liner Installer agrees to repair geomembrane liner that fail(s) in workmanship within specified warranty period. Warranty does not include deterioration or failure of geomembrane liner due to exposure to harmful chemicals, gases or vapors, abnormal and severe weather phenomena, fire, earthquakes, floods, vandalism, or abuse by persons, animals, or equipment.

1. Failures include, but are not limited to, the following:

a. Leaks in geomembrane liner.

b. Defects in seams.

2. Warranty Period: One year from date of Substantial Completion.

PART 2 – PRODUCTS

2.1 MANUFACTURERS

A. Source Limitations: Obtain geomembrane liner, accessories, and required seaming materials, solvents, and adhesives from single source.

2.2 PERFORMANCE REQUIREMENTS

A. Provide geomembrane liners that prevent the passage of water.

2.3 EPDM SHEET MATERIALS

A. EPDM Sheet: Formulated from EPDM, compounded for use in hydraulic structures and formed into uniform, flexible reinforced sheets with material properties complying with GRI Test Method GM21 for nominal thickness indicated.

1. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to the following:

a. Carlisle SynTec Incorporated.

b. Firestone Building Products.

c. Layfield Environmental Systems; Layfield Group Limited.

d. Watersaver Company, Inc.

2. Minimum Average Sheet Thickness: 45 mils per ASTM D 5199.

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3. Reinforcing Scrim: One-ply polyester fabric totally encapsulated between two sheets.

a. Construction: 9 x 9 - 1000 d

2.4 MISCELLANEOUS MATERIALS

A. Adhesives: Provide types of adhesive primers, compounds, solvents, and tapes recommended in writing by geomembrane liner manufacturer for bonding to structures (if required), for sealing of seams in geomembrane liner, and for sealing penetrations through geomembrane liner.

B. Penetration Assemblies: Provide manufacturer's standard factory-fabricated assemblies for sealing penetrations. Include joint sealant recommended in writing by geomembrane liner manufacturer and compatible with geomembrane liner, containment conditions, and materials.

C. Battens: Long-length strips of material indicated, size as indicated on Drawings. Fabricate battens with sharp projections removed and edges eased and then predrilled or punched for anchors.

Provide anchors, or other type of attachment, of type and spacing recommended in writing by geomembrane liner manufacturer for attaching geomembrane liner system to substrate and as indicated.

1. Batten Material: Stainless steel; with stainless-steel anchors, complete with gasket and sealant compatible with geomembrane liner, containment conditions, and materials.

FABRICATION

A. Fabricate geomembrane liner panels from sheets in sizes as large as possible with factory sealed seams, consistent with limitations of weight and installation procedures. Minimize field seaming.

3.1 INSTALLATION

A. Examine substrates, with Installer present, to verify absence of sharp projections and voids; for compliance with requirements for soil compaction and grading; for subgrade free from angular rocks, rubble, roots, vegetation, debris, voids, protrusions, and ground water; and for other conditions affecting performance of liner. Proceed with installation only after unsatisfactory conditions have been corrected.

B. Pond side slopes shall be regraded to provide a smooth uniform grade from the top edge of the pond to the invert. Pond side slopes shall be reconstructed to a 3:1 side slope as necessary and all finish grading shall be inspected by the liner installer for uniformity prior to installation of liner. Inverts of each pond shall be graded to provide a uniform slope towards the kettle.

C. Preparation:

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1. Provide temporary ballast that does not damage geomembrane liner or substrate, to prevent uplift of liner in areas with prevailing winds, until edges are permanently secured.

2. Prepare surfaces of construction penetrating through liner according to liner manufacturer's written instructions.

D. Place geomembrane liner over prepared surfaces to ensure minimum handling. In areas with prevailing winds, begin placing liner at Project's upwind direction and proceed downwind. Install liner in a relaxed condition, free from stress and tension. Fit closely and seal around inlets, outlets, and other projections through geomembrane liner. Permanently secure edges.

E. Anchor Trenches: Anchor Trenches shall be straight and uniform. Contractor shall install string line during trench excavation. Trenches shall not deviate more than 1.5" from offset established by string line. Trench edges shall be sharp and uniform and any edges that have sloughed will not be accepted.

F. Attachment to Concrete: Use manufacturer's standard system to suit Project conditions. Support adhesive and geomembrane on minimum 8-inch wide concrete substrate unless otherwise indicated.

1. Install batten strips over geomembrane liner as shown on Drawings.

G. Proceed with installation only when existing and forecasted weather conditions permit placement and seaming of geomembrane to be performed according to manufacturers' written instructions and warranty requirements. Do not place or seam geomembrane during conditions of precipitation, excessive atmospheric moisture, blowing dust, strong wind, or at temperatures outside manufacturers' recommended range.

H. Field Seams: Comply with liner manufacturer's written instructions. Form lapped seams by lapping edges of panels 5 inches, unless instructions require a larger overlap. Wipe contact surfaces clean and free of dirt, dust, moisture, and other foreign materials. Use solvent cleaning methods and grind geomembrane seam surfaces if recommended by liner manufacturer. Proceed with seaming at required temperatures for materials and ambient conditions. Continuously bond sheet to sheet to construct single or double seams of width recommended for method of seaming used. Seal or fuse free seam edges as instructed. Inspect seams and reseal voids.

I. No part of the liner shall have a pucker or fold in excess of 2". Those exceeding this tolerance shall be refitted before acceptance.

J. Before initial filling of pond, or placement of earth or other cover, inspect seams and patched areas to ensure tight, continuously bonded installation. Repair damaged membrane and seams and reinspect repaired work.

K. Liner Repairs: Repair tears, punctures, and other imperfections in liner field and seams using patches of liner material, liner to liner bonding materials, and bonding methods according to liner manufacturer's written instructions. Apply bonding solvent or weld to contact surfaces of both patch and liner and press together immediately. Roll to remove wrinkles.

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3.2 FIELD QUALITY CONTROL

A. Testing Agency: Contractor shall engage a qualified testing agency to perform tests and inspections.

B. Nondestructive Testing: Visually inspect all seams and patches. Comply with ASTM D 4437 for Air Lance Test, Vacuum Box Testing, or Ultrasonic (High Frequency) Pulse Echo Testing or with GRI Test Method GM6, as applicable to geomembrane and seam construction. Record locations of failed seams and patches. For the record, individually number and date occurrences and details of leak and remedial action. Repair leaking seams and patches.

A. Measurement for Installing Pond 1C Liner using Government Furnished Materials will not be made. Measurement shall consist of the material quantity as shown in the bid schedule.

B. Measurement for Installing Pond ___Liner using Contractor Furnished Materials will not be made. Measurement shall consist of the material quantity as shown in the bid schedule.

C. All other items associated with complying with this section will not be measured for payment.

A. Payment for Installing Pond Lining using Government Furnished Materials shall be made at the unit price per Square Yard bid in the schedule for “Install Pond 1C Liner”, which unit price shall include the cost of all work associated therewith.

B. Payment for Installing Pond Lining using Contractor Furnished Materials shall be made at the unit price per Square Yard bid in the schedule for “Install Pond ____ Liner”, which unit price shall include the cost of all work associated therewith.

C. All other costs of complying with this section shall be included in the prices bid in the schedule for other items of work. No separate payment will be made to the Contractor for work other than that described above.

END OF SECTION 02666

SOUTHWESTERN NATIVE ARRC POND KETTLE AND LINER

CHAVES COUNTY, NEW MEXICO REPLACEMENT 2017

CAST-IN-PLACE CONCRETE 03300-1

SECTION 03300 – CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

A. This Section includes cast-in-place concrete for the kettles.

1.2 SUBMITTALS

A. Submit proposed mix design to Contracting Officer’s Representative for review and acceptance, a minimum of 10 working days prior to commencement of work.

B. Provide concrete batch tickets complying with ASTM C 94 with each batch of concrete delivered to the site.

C. Steel Reinforcement Shop Drawings: Details of fabrication, bending, and placement, prepared according to ACI 315, "Details and Detailing of Concrete Reinforcement." Include material, grade, bar schedules, stirrup spacing, bent bar diagrams, arrangement, and supports of concrete reinforcement. Include special reinforcement required for openings through concrete structures.

D. Kettle Concrete Form Inspection: ALL FORMS TO BE REVIEWED AND INSPECTED

PRIOR TO CONCRETE DELIVERY AND WORK. FORMS ARE TO BE INSPECTED

FOR SQUARENESS AND VERTICALNESS PRIOR TO PLACING ANY CONCRETE.

CONTRACTOR TO RECEIVE ACCEPTANCE VIA SUBMITTAL FORM PRIOR TO

PLACING CONCRETE. (Emphasis Added).

1.4 DELIVERY, STORAGE, AND HANDLING

A. Deliver, store, and handle steel reinforcement to prevent bending and damage.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Cement: ASTM C 150, Type I or II

B. Fine and Coarse Aggregates: ASTM C 33, graded, 1-inch nominal maximum coarse-aggregate size.

1. Fine Aggregate: Free of materials with deleterious reactivity to alkali in cement.

C. Water: Clean, not detrimental to concrete, free from harmful amounts of sediments, salts, or organic impurities, comply with ASTM C 94, paragraph 4.1.3.1 including table 1.

D. Air Entrainment Admixture: ASTM C 260.

E. Curing compound conforming to ASTM C 309.

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2.2 CONCRETE MIX

A. Compressive Strength at 28 days, ASTM C 31 and C 39: 3,500 pounds per square inch.

B. Water-to-cement ratio: not to exceed 52 percent.

C. Each cubic yard of concrete shall contain not less than 4.5 bags of cement.

D. Slump: 2 to 4 inches at placement.

E. Entrained air content: 4 to 7 percent by volume.

F. Concrete used in the construction of the water control structure shall be a dense, durable product.

2.3 FLOWABLE FILL FOR PIPE BEDDING

A. Compressive Strength at 7 days, ASTM D 1633: minimum 100 pounds per square inch, maximum not to exceed 200 pounds per square inch.

B. Sand: ASTM C33

C. Cement: Type I or II.

D. Typical cement content (depending on soil used): 6 to 12 percent of the dry weight of the soil.

E. Suggested water-to-cement ratio: not to exceed 6.5.

F. Mix materials to provide a consistency so that the flowable fill easily flows into all openings between the pipe and trench.

2.4 STEEL REINFORCEMENT

A. Reinforcing Bars: ASTM A 615/A 615M, Grade 60, deformed.

2.5 REINFORCEMENT ACCESSORIES

A. Bar Supports: Bolsters, chairs, spacers, and other devices for spacing, supporting, and fastening reinforcing bars and welded wire fabric in place. Manufacture bar supports according to CRSI's "Manual of Standard Practice" from steel wire, plastic, or precast concrete or fiber-reinforced concrete of greater compressive strength than concrete, and as follows:

1. For concrete surfaces exposed to view where legs of wire bar supports contact forms, use

CRSI Class 1 plastic-protected or CRSI Class 2 stainless-steel bar supports.

2. Rocks or blocks used to support rebar will not be allowed.

3.1 BATCHING, MIXING, PLACING AND CURING

A. CONTRACTOR TO NOTIFY CONTRACTING OFFICER’S REPRESENTATIVE

AFTER FORMS ARE SET TO ALLOW INSPECTION OF THE FORMS FOR

SQUARENESS AND VERTICALNESS PRIOR TO PLACING ANY CONCRETE.

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CONTRACTOR TO RECEIVE ACCEPTANCE OF FORMS PRIOR TO PLACING

CONCRETE.

B. Construction operations shall be done in such a manner that erosion and air and water pollution are minimized and held within legal limits. The completed job shall be workmanlike and shall present a good appearance.

C. The temperature of the concrete shall be maintained below 90 F during mixing, conveying and placing.

D. Comply with ACI 305 - Hot Weather Concreting, when air temperatures exceed or are expected to exceed 90 F.

E. Concrete shall be mixed and delivered in conformance with ASTM C 94.

F. Concrete shall be discharged from the mixer no later than 1-1/2 hours after water is added to the cement and aggregates.

G. The use of accelerators or antifreeze compounds shall not be allowed.

H. The concrete shall be placed on moist, compacted surfaces free of debris, loose soil, mud or water. If the foundation soils are not adequately moist, moisten them by sprinkling immediately before placing the concrete.

I. Concrete shall not be placed during freezing weather unless adequate protection is provided to keep the concrete temperature between 50 and 90 F for a period of not less than 7 days.

J. Construction of concrete structure shall not be permitted when minimum 24 hour temperatures are expected to drop below 32 F unless the method of applying artificial heat to the lining has prior approval by the Contracting Officer’s Representative.

K. Concrete shall not be placed against frozen surfaces.

L. All concrete exposed to view shall have a float finish or its equivalent and shall be free of honeycombed or sand-streaked areas.

M. Chamfer exterior corners and edges of permanently exposed concrete. Chamfer size shall be ¾ inch.

N. Provide a minimum concrete coverage over reinforcement of 3”.

O. Apply curing compound to the concrete surface within 30 minutes after placing and finishing the concrete. The application rate shall be not less than 1.0 gallon of curing compound per 200 square feet of surface. Use only white pigmented compounds. Spray the compound over the surface so that a continuous white cover is obtained. Two applications to achieve the required application rate may be required.

P. Protect all concrete against damage until final acceptance by the Government.

3.2 EMBEDDED ITEMS

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A. Place and secure anchorage devices and other embedded items required for adjoining work that is attached to or supported by cast-in-place concrete. Use Setting Drawings, templates, diagrams, instructions, and directions furnished with items to be embedded.

1. Install anchor bolts, accurately located, to elevations required.

3.3 STEEL REINFORCEMENT

A. General: Comply with CRSI's "Manual of Standard Practice" for placing reinforcement.

B. Clean reinforcement of loose rust and mill scale, earth, ice, and other foreign materials.

C. Accurately position, support, and secure reinforcement against displacement. Locate and support reinforcement with bar supports to maintain minimum concrete cover. Do not tack weld crossing reinforcing bars.

D. Set wire ties with ends directed into concrete, not toward exposed concrete surfaces.

3.4 TOLERANCES

A. Concrete structures shall be installed to design lines and elevations within the following tolerances:

1. The elevation of the top edge or of the finished invert at any point shall be within 0.10 foot of the specified design elevation.

2. The thickness of the walls shall meet or exceed the specified thickness.

3.5 FIELD QUALITY CONTROL

A. Testing Agency: Contractor will engage, at its expense, a qualified independent testing and inspecting agency to perform field tests and inspections and to prepare test reports. All testing results shall be submitted to the Contracting Officer, for review and acceptance, a minimum of 48 hours after completion of test.

B. Mixed concrete shall be tested for consistency (slump), temperature, air content, and unit weight.

Concrete cylinders shall be collected for compression tests. Contractor shall obtain a sample of each type of concrete once each day that concrete is placed. Samples shall be representative of the concrete placed during the day the sample is taken. Concrete samples shall be sufficiently large to make all tests without reuse of concrete in other tests or in cylinders.

3.6 CONCRETE SURFACE REPAIRS

A. Defective Concrete: Repair and patch defective areas when approved by Government. Remove and replace concrete that cannot be repaired and patched to Government's approval.

B. Patching Mortar: Mix dry-pack patching mortar, consisting of one part Portland cement to two and one-half parts fine aggregate passing a No. 16 sieve, using only enough water for handling and placing.

C. Repairing Formed Surfaces: Surface defects include color and texture irregularities, cracks, spalls, air bubbles, honeycombs, rock pockets, fins and other projections on the surface, and

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stains and other discolorations that cannot be removed by cleaning.

1. Immediately after form removal, cut out honeycombs, rock pockets, and voids more than 1/2 inch in any dimension in solid concrete but not less than 1 inch in depth. Make edges of cuts perpendicular to concrete surface. Clean, dampen with water, and brush-coat holes and voids with bonding agent. Fill and compact with patching mortar before bonding agent has dried.

Fill form-tie voids with patching mortar or cone plugs secured in place with bonding agent.

2. Repair defects on surfaces exposed to view by blending white Portland cement and standard

Portland cement so that, when dry, patching mortar will match surrounding color. Patch a test area at inconspicuous locations to verify mixture and color match before proceeding with patching. Compact mortar in place and strike off slightly higher than surrounding surface.

3. Repair defects on concealed formed surfaces that affect concrete's durability and structural performance as determined by Government.

D. Repairing Unformed Surfaces: Test unformed surfaces, such as floors and slabs, for finish and verify surface tolerances specified for each surface. Correct low and high areas. Test surfaces sloped to drain for trueness of slope and smoothness; use a sloped template.

1. Repair finished surfaces containing defects. Surface defects include spalls, popouts, honeycombs, rock pockets, crazing and cracks in excess of 0.01 inch wide or that penetrate to reinforcement or completely through unreinforced sections regardless of width, and other objectionable conditions.

2. After concrete has cured at least 14 days, correct high areas by grinding.

3. Correct localized low areas during or immediately after completing surface finishing operations by cutting out low areas and replacing with patching mortar. Finish repaired areas to blend into adjacent concrete.

4. Repair random cracks and single holes 1 inch or less in diameter with patching mortar.

Groove top of cracks and cut out holes to sound concrete and clean off dust, dirt, and loose particles. Dampen cleaned concrete surfaces and apply bonding agent. Place patching mortar before bonding agent has dried. Compact patching mortar and finish to match adjacent concrete. Keep patched area continuously moist for at least 72 hours.

E. Perform structural repairs of concrete, subject to Government's approval, using epoxy adhesive and patching mortar.

A. Measurement for Cast-In-Place Concrete for the kettles will not be made. Measurement shall consist of the material quantity as shown in the bid schedule.

B. All other items associated with complying with this section will not be measured for payment.

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A. Payment for Cast-In-Place Concrete for the kettles shall be made at the unit price per each bid in the schedule for “Construct Concrete Kettle at Pond ___.”, which unit price shall include the cost of all work associated therewith.

B. All other costs of complying with this section shall be included in the prices bid in the schedule for other items of work. No separate payment will be made to the Contractor for work other than that described above.

END OF SECTION 03300

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METAL FABRICATIONS 05500 - 1

SECTION 05500 - METAL FABRICATIONS

PART 1 - GENERAL

A. This Section includes the following:

1. Stainless screen guides at kettles

2. Aluminum grating at kettles

1.2 SUBMITTALS

A. Product Data: For the following:

1. Stainless screen guides at kettles.

2. Aluminum grating at kettles.

B. Shop Drawings: Include plans, elevations, sections, and details of metal fabrications and their connections. Show anchorage and accessory items.

C. Templates: For anchors and bolts.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. In other Part 2 articles where titles below introduce lists, the following requirements apply to product selection:

1. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, manufacturers specified.

2.2 METALS

A. Metal Surfaces, General: Provide materials with smooth, flat surfaces without blemishes.

B. Ferrous Metals:

1. Steel Plates, Shapes, and Bars: ASTM A 36/A 36M.

2. Steel Pipe: ASTM A 53, standard weight (Schedule 40), unless another weight is indicated or required by structural loads.

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3. Iron Casting: ASTM A 48, Class 30, unless another class is indicated or required by structural loads.

4. Concrete inserts: Smooth, threaded or wedge type; galvanized ferrous castings, ASTM A 27 cast steel. Provide bolts, washers, and shims as needed, hot-dipped galvanized per

ASTM A 153/A 153M.

5. Aluminum Grating at Kettles.

a. Aluminum Alloy 5052

6. Screen slots at kettles:

a. ASTM A 276, Type 304 Stainless

7. Manufacturers offering products that may be incorporated into the Work include, but not limited to the following:

a. McNichols Co., phone 1-800-237-3820

2.3 FASTENERS

A. General: Type 304 or 316 stainless-steel fasteners for exterior use and zinc-plated fasteners with coating complying with ASTM B 633, Class Fe/Zn 5, at exterior walls. Provide stainless-steel fasteners for fastening aluminum. Select fasteners for type, grade, and class required.

2.4 MISCELLANEOUS MATERIALS

A. Universal Shop Primer: Fast-curing, lead- and chromate-free, universal modified-alkyd primer complying with MPI #79.

B. Zinc-Rich Primer: Complying with SSPC-Paint 20 or SSPC-Paint 29 and compatible with topcoat.

a. Benjamin Moore & Co.; Epoxy Zinc-Rich Primer CM18/19.

b. Carboline Company; Carbozinc 621.

c. ICI Devoe Coatings; Catha-Coat 313.

d. International Coatings Limited; Interzinc 315 Epoxy Zinc-Rich Primer.

e. PPG Architectural Finishes, Inc.; Aquapon Zinc-Rich Primer 97-670.

f. Sherwin-Williams Company (The); Corothane I GalvaPac Zinc Primer.

g. Tnemec Company, Inc.; Tneme-Zinc 90-97.

C. Galvanizing Repair Paint: SSPC-Paint 20, high-zinc-dust-content paint for regalvanizing welds in steel.

D. Nonshrink, Nonmetallic Grout: Factory-packaged, nonstaining, noncorrosive, nongaseous grout complying with ASTM C 1107.

E. Concrete Materials and Properties: Comply with requirements in Division 3 Section "Cast-in- Place Concrete" for normal-weight, air-entrained, ready-mix concrete with a minimum 28-day compressive strength of 3500 psi, unless otherwise indicated.

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2.5 FABRICATION

A. General: Preassemble items in the shop to greatest extent possible. Use connections that maintain structural value of joined pieces.

1. Cut, drill, and punch metals cleanly and accurately. Remove burrs and ease edges.

Remove sharp or rough areas on exposed surfaces.

2. Weld corners and seams continuously. Use materials and methods that minimize distortion and develop strength and corrosion resistance of base metals. Obtain fusion without undercut or overlap. Remove welding flux immediately. Finish exposed welds smooth and blended.

3. Form exposed connections with hairline joints, flush and smooth, using concealed fasteners where possible. Locate joints where least conspicuous.

4. Fabricate seams and other connections that will be exposed to weather in a manner to exclude water. Provide weep holes where water may accumulate.

5. Where units…