A06_Specifications.pdf

DRAG RESERVOIR SOLAR STOCK WATER

SYSTEM CONTRACT

INDEX

Section 01009 ........................................................ General Information and

Requirements

Section 01019… .................................................... Government Furnished Property

Section 01505… .................................................... Mobilization

Section 02229……………………………………. Trenching, Backfilling, and

Compaction

Section 02665 ........................................................ Water Systems

Section 02670 ........................................................ Well Wells

Section 02834 ........................................................ Fence Enclosures

Section 11216… .................................................... Water Well Pumps

Section 16051 ........................................................ Common Work Results for

Electrical

Section 16271… .................................................... Photovoltaic Systems

Work Data Sheet

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DIVISION 1 GENERAL INFORMATION

SECTION 01009 AND REQUIREMENTS

PART 1: GENERAL

1.01 SUMMARY:

A. Furnish the all the necessary materials, equipment, and labor to install an infiltration gallery, PV system including a compatible submersible pump and approximately 1080 feet of HDPE pipeline connecting the new system to an existing stock water pipeline. The work shall also include installation of any miscellaneous materials, and or devices necessary to make the existing stock water system fully functioning.

B. Location: Work under this Contract is in Northern Petroleum County, Montana. The work locations are shown on the drawings.

C. Work Data Sheet: Designates the type and quantity of work required at the project location.

1.02 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:

AASHTO American Association of State Highway and Transportation Officials

444 N. Capitol Street, N.W., Suite 225 Washington, DC 20001

ACI American Concrete Institute

P.O. Box 19150, Redford Station Detroit, MI 48219

API American Petroleum Institute 1220 L Street, N.W.

Washington, DC 20005

AWS American Welding Society, Inc.

P.O. Box 351040 Miami. FL 33135

AWPA American Wood Preservers' Association

P.O. Box 849 Stevensville, MD 21666

AWWA American Water Works Association 6666 West Quincy Avenue Denver, CO 80235

ASTM American Society for Testing and Materials 1916 Race Street Philadelphia, PA 19103

NSF National Sanitation Foundation

P.O. Box 1468 Ann Arbor, MI 48106

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1.03 DEFINITIONS:

A. Approvals: Approval of the submittals is an indication that the Contractor's submittals have been reviewed and that there are no objections, 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, the Contractor may submit a substitute for approval when the approved item cannot be purchased or delivered in time to avoid delay in completion of the project.

1.04 SUBMITTALS:

A. Scope: Submittals include Contractor's Work Schedule, well logs, well record, manufacturers literature, and well testing data.

B. Requirements: Refer to specifications for submittals required. Allow at least 10 working days for review. Submittals shall be delivered to the Contracting Officer at the prework conference.

C. 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 resubmittal.

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.

1.05 CERTIFICATES OF CONFORMANCE:

A. Requirements: The Contracting Officer may permit use, prior to sampling and testing, of materials when accompanied by Certificates of Conformance. Materials used based on a Certificate of Conformance may be sampled and tested. Installation of materials based on Certificates of Conformance shall not relieve the Contractor of responsibility for incorporating materials that conform to the requirements of the drawings and specifications. Material not conforming to those requirements will be subject to rejection, whether in place or not.

B. Format: The form of the Certificate of Conformance provided by the supplier shall be as follows:

1. The certificate shall state that the named product conforms to the Contract requirements.

2. The certificate shall either be accompanied with a certified copy of the test results or certify that such test results are on file with the manufacturer and will be furnished to the Contracting Officer upon request.

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3. The certificate shall provide the name and address of the manufacturer, the testing agency and the date of tests.

4. The certificate shall set forth the means of identification, which will permit field determination of the product delivered as being the product covered by the certification.

1.06 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 when they were given in full text.

B. The contractor shall provide a government approved quality control plan to the government and be prepared to follow the items listed in the plan.

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

D. A licensed electrician shall perform all work associated with the PV system involving electrical power.

1.07 DELIVERY, STORAGE, AND HANDLING:

A. Delivery: The Contractor shall 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 and brand designation and contents legibly indicated. The containers shall bear the referenced specification number, type, and class as applicable.

B. Storage: The Contractor shall provide temporary storage facilities for products complying with manufacturer's recommendations that will protect them from damage until installation on the project and final acceptance. The storage area shall permit access for inspection and handling.

C. Handling: The Contractor shall load and unload products in such a manner that protects them from damage until installation on the project.

1.08 PROJECT/SITE CONDITIONS:

A. Access to the Work:

1. Access to the work shall be on existing roads or trails, building additional access roads/ trails will be at the Contractors expense.

2. Public or private access roads, and any off-road travel areas, damaged by the Contractor's travel or operations, shall be restored, by the Contractor at the Contractor's expense, to the same condition that they were in at the commencement of work.

3. Call before any excavation. (Call before you Dig telephone number is 1-800-424- 5555)

4. The contractor shall not perform any work to the access roads, construction site, or adjoining areas unless specifically required to in the specifications, drawings, or by written directive of the Contracting Officer.

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B. Utilities: Before starting construction, the Contractor shall be responsible for determining the location and extent of all utilities, both above and below ground. The Contractor shall be responsible for protecting utilities during construction. If any utilities are damaged by the Contractor's operations, the Contractor shall notify the utility owner immediately and the Contractor shall be responsible for the cost of the repairs to the utility.

C. Environmental Considerations:

1. Operations of the Contractor (including storage of materials, project office, camping area, and equipment parking) upon Government premises shall be confined to areas approved by the Contracting Officer. The surrounding landscape shall not be disturbed. In the event that it is disturbed, the Contractor shall restore that area at the Contractor's expense. Government premises adjacent to the construction site will be made available for use by the Contractor without cost whenever such use will not interfere with other Government activities.

2. No waste products from vehicles or equipment (such as fuel, oil, grease or antifreeze) shall be drained or spilled on the ground. All waste products shall be captured by the Contractor and disposed of properly, and legally offsite. If a waste product is accidentally spilled on the ground, the Contractor shall excavate areas that have been saturated to a depth 12" beyond contaminated material. The excavation shall be backfilled with approved material. The Contractor shall haul the contaminated material to an approved disposal site at the Contractor's expense.

1.09 SEQUENCING AND SCHEDULING:

A. Work Schedule: The schedule shall be submitted at the pre-work conference. When requested, the Contractor shall submit an updated schedule within 3 calendar days.

PART 2: PRODUCTS

(There are no applicable requirements.)

PART 3: EXECUTION

3.01 PROJECT MEETINGS:

A. Pre-Work Conference:

1. Notification: A pre-work conference 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. Attendance: The Contractor, subcontractors, and the persons responsible for coordination of the work shall be present at the meeting.

3. Presentation: The Contractor shall be prepared to summarize and explain procedures planned for the project and present the submittals requested in the specifications.

B. Progress Meetings:

1. Location: Meetings shall be held at the project site, or as determined by the

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Contracting Officer.

2. Notification: Meetings shall be called by either the Contracting Officer or the Contractor. Request shall state who should attend.

C. Final Inspection:

1. Location: Meeting shall be held at the project site, or as determined by the Contracting Officer.

2. Notification: The Contractor shall notify the Contracting Officer in writing at least 3 working days before the completion date so the Government can schedule final inspection.

3. Drawings and Manuals: The Contractor shall deliver well logs and well record to the Contracting Officer prior to final inspection.

4. Attendance: The Contractor shall require the superintendent to be present during this inspection.

3.03 WORK LAYOUT:

A. Requirements: The Government will set construction stakes to give the Contractor measurements, lines, and grades necessary for the work executed under the Contract. The Contractor at the Contractor’s expense shall reset baseline monuments, benchmarks disturbed, or removed during construction.

PART 4: MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT:

A. Units: The work described in this section will not be measured for payment.

4.02 BASIS OF PAYMENT:

A. Payment: No direct payment for the work described under this section will be made. The Contractor shall include consideration for this item in the bid price for other items of the Contract.

END OF SECTION

DIVISION 1 GOVERNMENT FURNISHED

SECTION 01019 PROPERTY

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1.01 WORK INCLUDED:

A. Description: The materials to be furnished by the Government and their locations.

1.02 DELIVERY, STORAGE, AND HANDLING:

A. Location: The Government-furnished property will be provided by the Bureau of Land Management at the Lewistown Field Office, 902 NE Main St., Lewistown, Montana, Phone 406-538-1935.

B. Time: Property will be available Monday through Friday between the hours of 8:00 a.m. and 12:00 noon, and 1:00 p.m. and 4:00 p.m., except on holidays.

C. Return of Unused Property: Unused material shall be returned to the same location, and during the same time periods, as listed above.

D. Loading/Offloading/Transporting Property: The Contractor shall load and transport materials to worksites.

2.01 MATERIALS:

A. There will be no materials furnished by the Government on this contract:

Specification Materials Section Description Quantity Unit

THERE ARE NO GOVERNMENT FURNISHED MATERIALS OR SUPPLIES IN THIS CONTRACT

(There are no applicable requirements)

PART 4: MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT: The work described in this section will not be measured for payment.

A. Payment: No direct payment for the work described under this section will be made. Contractor shall include consideration for this item in the bid price for other scheduled items of the Contract.

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DIVISION 1 MOBILIZATION

SECTION 01505

1.1 SUMMARY

A. Section Includes: Preparatory work and operations, including those necessary to the movement of personnel, equipment, supplies and incidentals to the project site; and for other work and operations which must be performed, or costs incurred prior to beginning work on the various items on the project site.

(There are no applicable requirements.)

(There are no applicable requirements.)

A. Units: Progress payments will be made as follows:

1. THERE ARE NO UNITS FOR THIS SECTION

A. Payment: No direct payment for MOBILIZATION will be made. The Contractor shall include consideration for MOBILIZATION evenly in the bid price for other items of the Contract.

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DIVISION 2 SECTION 02229

TRENCHING, BACKFILLING AND COMPACTING

PART 1. GENERAL

SECTION 1.01 SUMMARY:

A. Section Includes: Trenching, backfilling, and compacting for the installation of water lines.

SECTION 1.02 DEFINITIONS:

A. Unclassified Excavation: Unclassified excavation shall consist of the material excavated and its placement regardless of its nature.

SECTION 1.03 QUALITY ASSURANCE:

A. Failure Criteria: Not limited to the following:

1) Settlement of backfill below natural ground surface.

2) Bury depth less than minimum.

3) Compaction (where required) less than minimum.

SECTION 1.04 1.04 PROJECT/SITE CONDITIONS:

A. Environmental Conditions: Hand rake as necessary to remove excess material in areas inaccessible to construction equipment. Grade to produce a well-drained surface.

Excess material from the trench excavation shall be placed over the backfill in an inverted 'U' shape.

PART 2. PRODUCTS

SECTION 2.01 MATERIALS:

A. General: Material excavated shall be unclassified. Backfill material shall be approved before use. Material from excavations shall be used, unless it contains ice or frozen earth, debris, earth with high moisture content, or other materials found material found objectionable by the CO or is specified in other sections to be replaced. Materials removed in clearing and grubbing shall not be used for backfill.

B. Backfill: Shall conform to the general requirements for soil materials above, and shall not contain rock larger than 3 inches in diameter.

C. Bedding: Shall be materials from the excavation that passes a 1/2-inch sieve.

D. Topsoil: Topsoil material shall be considered to be material which will sustain plant growth and includes sod, roots and other vegetative matter which can be uniformly placed to a thickness of 3 inches without protruding from the finished grade.

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PART 3. EXECUTION

SECTION 3.01 PREPARATION

A. Clearing: Blading of the pipeline route shall be a maximum clearing width of 12 feet.

Existing grass and sod shall not be disturbed.

B. Utilities: Before starting excavation, establish the location and extent of overhead and underground utilities in the work area “CALL BEFORE YOU DIG!”. Protect active utility services uncovered by excavation. Damage to any utilities shall be repaired or replaced at the Contractor's expense. Repair to damaged utilities shall be started immediately unless otherwise authorized by the Contracting Officer.

SECTION 3.02 INSTALLATION:

A. Unclassified Trench Excavation: Excavated trenches shall be a minimum of 6 inches in width, and a maximum of 10 inches in width unless written authorization from the Government is obtained. The minimum bury depth shall be 6 feet or as specified in or near certain assemblies.

1) Water and Caving Soils: Water and caving soils may exist along the pipeline alignment. Any open trench left without pipe installed overnight or at periods of a break in operations that slough shall be corrected at the contractors expense.

Trenching and pipe installation operations may be required to take place simultaneously.

B. Trench Excavation for areas where compacted backfill is required. This excavation shall be a minimum of 24” wide at the bottom of the excavation and be back sloped at least 1:1 to allow for compaction of the replaced material.

C. Pipeline Bedding: The pipe shall be bedded in the bedding zone with approved bedding material specified herein. The bedding zone is shown on the drawing titled - Typical Trench Detail W/Water Bar. If rock is encountered, 2 inches of bedding material shall be placed under the pipe. The minimum bury depth shall not change.

D. The trench thru the dam embankment to the toe shall be a minimum of 24” wide and the backfill materials shall compacted to 95% of the standard proctor. The rest of the pipe may be trenched with a trencher with a minimum trench width of 8”, with no compaction requirements other than those noted in other portions of the specification.

E. Pipeline Trench Backfill: The backfill zone is shown on the drawing titled - Typical Trench Detail W/Water Bar. Prior to testing, the pipe may be center loaded with a maximum of 12 inches of approved material. Two feet of pipe at the joints and connections shall be left uncovered. After testing and approval, the trench backfilling shall be completed. Excess backfill material from trench excavation shall be placed over the trench in an inverted "U" shape. All backfill shall be uncompacted except within roadways, and other specified areas which shall be compacted to 95% relative dry density. Compacted backfill shall be placed in lifts no greater than 4 inches, (loose).

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SECTION 3.03 FIELD QUALITY CONTROL:

A. Testing of Pipe Lines: Shall be done according to Section titled - Water Systems.

PART 4. MEASUREMENT AND PAYMENT

SECTION 4.01 METHOD OF MEASUREMENT:

A. Units: The trenching – Will be paid for under Section 02665(20)

SECTION 4.02 BASIS OF PAYMENT:

A. Payment: No direct payment for the work described under this section will be made.

Contractor shall include consideration for this item in the bid price for other scheduled items of the Contract.

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DIVISION 2 SECTION 02665

WATER SYSTEMS

PART 1: GENERAL

1.01 SUMMARY:

Section Includes: Furnishing and installing Contractor-furnished labor and materials, except for Government supplied materials, to complete a stock water system.

1.02 REFERENCES:

A. American Society for Testing and Materials:

ASTM D2737 Standard Specification for Polyethylene (PE) Plastic Tubing

ASTM D2774 Standard Practice for Underground Installation of Thermoplastic Pressure Piping

ASTM D3035: Standard Specification for Polyethylene (PE) Plastic Pipe (DR-PR) Based on

Controlled Outside Diameter.

ASTM D3261: Standard Specification for Butt Heat Fusion Polyethylene (PE) Plastic Fittings for

Polyethylene (PE) Plastic Pipe and Tubing.

ASTM D3350: Standard Specification for Polyethylene Plastic Pipe and Fittings Materials.

ASTM F714: Standard Specification for Polyethylene (PE) Plastic Pipe (SDR-PR) Based on

Outside Diameter.

ASTM F2206: Standard Specification for Fabricated Fittings of Butt-Fused Polyethylene (PE)

ASTM F2620: Standard Practice for Heat Fusion Joining of Polyethylene Pipe and Fittings

ASTM F3183: Standard Practice for Guided Side Bend Evaluation of Polyethylene Pipe Butt

Fusion Joint

ASTM F3190: Standard Practice for Heat Fusion Equipment (HFE) Operator Qualification on

Polyethylene (PE) and Polyamide (PA) Pipe and Fittings

ASTM F1962: Standard Guide for Use of Maxi-Horizontal Directional Drilling for Placement of

Polyethylene Pipe or Conduit Under Obstacles, Including River Crossings

B. AWWA Standards & Manuals ANSI/AWWA C901-20 Polyethylene (PE) Pressure Pipe and Tubing, 3/4 In. (19 mm) Through 3

In. (76 mm), for Water Service

AWWA M55: Manual for the Design and Installation of Polyethylene Pipe in water Applications.

AWWA Pipe Profile Series- PE Pipe (DVD)

1.03 SUBMITTALS:

A. General: Submittals shall be according to Section titled - General Information and Requirements.

B. Manufacturer's Literature: Submit 1 copy of the manufacturer's descriptive data including the manufacturer's list number for valves to be used on this project.

C. Certificates of Conformance: Submit one copy of written certification from the supplier of the Contractor-furnished materials to be used on this project to ensure that it conforms to the requirements of this specification section.

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1.04 QUALITY ASSURANCE:

A. Failure Criteria: Not limited to the following:

Evidence of leakage

Evidence of breakage of pipe

Malfunctioning valves

Blockage of piping

Contamination of water, rendering it not usable

Pressure drop

1.05 DELIVERY, STORAGE, AND HANDLING:

A. Storage: Store materials and equipment according to the manufacturer's instructions. Store HDPE piping under cover out of direct sunlight.

2.01 CONTRACTOR-FURNISHED MATERIALS:

A. Pipe and Fittings: Pipe size, type and ratings shall be as shown on the drawings or as specified. Unless specified, fittings shall be the same size as the adjoining pipeline except where reducers are required to enter a valve body or reduce to another pipe size. Fitting pressure ratings shall be equal to or greater than the rating for the adjoining pipeline size rating for schedule SDR 11 HDPE pipe.

Pipe and fittings shall be manufactured of material approved by NSF for potable water systems.

1. 2” Ɵ SDR 11 HDPE PIPE see appropriate standards above.

2. HDPE pipe fittings: Conform to Standards noted above.

B. Heat fussed butt joints shall be performed as per the standards noted above and any special standards by the pipe manufacturer

C. Air Relief Valves: Bermad Model No. 4415 or equal with these features:

automatic continuous air bleed and vacuum relief type, 2 to 170 psi working pressure range, minimum vent discharge rate of 0.01 cu. ft./sec. at 50 psi.

D. Curb Stop Valve: Mueller H-10287 or equal with these features: 2 inch diameter

O-ring type valve, 1/4 turn check, 175 psi working pressure, Minneapolis top threads. The body, tee-head and stem shall be made of brass or bronze. No drain port.

E. Curb Box: Ford EM-2-6557 and EM-2-6556 or equal, with these features:

telescoping type, cast iron and steel construction, brass pentagon head plug, Minneapolis pattern base, 66 inch minimum length stationary shut-off rod, asphalt base coating. The curb box shall be compatible with curb stop valves described herein. The curb box shall extend 4 inches above ground surface when attached to valve buried at pipe depth shown on Work Data Sheet.

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F. Curb Box Key: Shall have a minimum length of 18 inches. Tee handle type, for removing the pentagon plug and operating stationary shut-off-rod. Compatible with curb boxes described herein. Furnish the number of keys listed on the Work Data Sheet.

G. Wood Marker Posts: Posts shall be 42" long, straight, single stem and sound.

Treatment shall be in accordance with section titled - Water Troughs.

PART 3: EXECUTION

3.01 PREPARATION:

A. Clearing and Grubbing: Shall be according to Section titled - Trenching, Backfilling, and Compacting.

B. Excavation and Backfill: Shall be according to Section titled - Trenching, Backfilling and Compacting.

3.02 INSTALLATION:

A. General: HDPE pipe shall be installed according to standard noted above.

Interior of the pipe shall be kept clean. The pipe shall not be covered until the pressure tests have been approved with the exception of the existing road crossings, which shall be backfilled immediately.

B. HDPE pipe joints and fittings: HDPE joints and fittings shall be assembled in accordance with the pipe and ASTM STANDARDS for butt fussed joints. The ends of the pipe shall be covered during the progress of the work to keep the interior of the pipe clean.

C. Assemblies: Refer to the drawings for locations of all assemblies. All pipe and fittings in assemblies shall be the same size as the adjoining pipeline except where otherwise specified or where reducers are needed to enter a valve body.

1. Curb Stop Valve Assembly: Install curb stop valve, curb box, stationary rod, slip-to-thread adapters, reducers, if required, and a 6 inch by minimum 3-1/2 foot long treated wood post set in the ground approximately 24 inches. Set the post 24 inches upstream of the valve.

2. Air Relief Valve Assembly: Install air relief valve, HDPE tee (the same size as the adjoining pipeline), reducer, 8 inches of 2 inch diameter HDPE pipe, 6 inch schedule 40 PVC riser, 6 inch schedule 40 PVC slip cap and a 6 inch diameter by minimum 3-1/2 foot long treated wood post.

Drill six 1/4 inch diameter holes in the 6 inch PVC riser, spaced evenly around the circumference of the pipe. The wood post shall be set in the ground 30 inches deep, 24 inches upstream of the valve.

3.03 FIELD QUALITY CONTROL:

A. General: It is the Contractor's responsibility to perform all required tests. The Contractor shall supply and temporarily install a gauge on each portion of pipeline being pressure tested, to monitor any pressure drop during the test.

The four-hour pressure tests, previous to backfill shall be performed immediately when a segment as detailed by the contractor's work schedule, is completed and flushed. The flow tests shall be done before backfilling.

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B. Pressure Testing Procedure: Tests shall be conducted as follows

1. The presence of the Contracting Officer (CO) or his representative is not required at the first pressure test. The portion to be tested shall be pressurized to the maximum operating pressure. Fill and flush the line being tested to eliminate air from the line. Do not fill the pipe at a rate greater than 1 foot per second. Correct all deficiencies evident during this test and repeat the test.

2. For the second pressure test, the contractor shall notify the Contracting Officer 24 hours prior to testing. The CO or his representative shall witness this test. Failure to notify the CO shall result in a repeat of the test even if that requires re-excavation of the portion being tested. The portion being tested shall be pressurized to maximum operating pressure. Do not fill the pipe at a rate greater than 1 foot per second.

The pressure shall be held for a minimum of 4 hours; then inspected for failure criteria. Correct deficiencies evident during the test and repeat the test until approved. After approval, the Contractor shall perform the flow test.

3. In the event water enters the trench, and pressure testing with water indicates a leak which cannot be visibly or otherwise located for repair, the Contractor shall at his option, either dewater the trench or air test the line. When the line has been repaired, repeat the 4 hour water test

C. Flow Tests: The flow tests shall be completed at locations shown on the Work Data Sheet after completion of the four-hour pressure test and before backfill.

The Contractor shall install necessary equipment to determine the flow rate and document the time, location, test method, flow rate, name of testing personnel.

The documentation shall be provided to the CO. After approval the Contractor may backfill the tested section of pipeline.

D. Final Test: A final test shall be conducted on the total system after completion of backfilling. Pressurize the system in accordance with 3.03-B. The pressure shall be maintained for a period of 24 hours; then the system inspected for failure criteria. All deficiencies evident shall be corrected and the test repeated until approved.

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3.01 METHOD OF MEASUREMENT:

A. Units: The HDPE pipe will be measured and paid for by the number of lineal feet of pipeline, beginning at the well and measured along the centerline at the ground surface. Trenching, backfilling and compacting including, between water conveying parts of an assembly, will be measured for payment under this Section.

4.01 BASIS OF PAYMENT:

A. Payment: Prices and payment listed below will be full compensation for the work described in this section. Payment will be made under:

Pay Item Pay Unit

02665(74) This pay item will be paid for as an actual measured length. Linear Foot of the pipeline purchased and installed.

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DIVISION 2 SECTION 02670

SITEWORK WATERWELLS

A. Section Includes: Installation of a 3 ft diameter perforated HDPE double wall corrugated pipe, cover, pitless well adaptor, and sand/ gravel filter. This structure will be installed in the groin of the dam on the south side and will include all labor, materials, and equipment necessary to accomplish the task.

B. Related Sections:

General Information and Requirements Section 01009

1.02 SUBMITTALS:

A. General: Submittals shall be according to Section 01009 - General Information and Requirements.

B. Certificates of Conformance: Submit 3 copies of written certification from the supplier of the Contractor-furnished equipment to be used on this project that it conforms to the requirements of this specification section.

C. Records: Submit 3 copies of the well logs and 1 copy of the samples described in this section to the Contracting Officer upon completion of the well.

1.03 SEQUENCING AND SCHEDULING:

A. Construction Program: Within 10 calendar days after the date of receipt of notice to proceed, submit to the Contracting Officer for approval a complete and practicable construction program. The program shall provide for orderly performance of the work and be in such form and detail as to show the following:

1. Sequence of excavation, and dewatering operations.

2. The days of the week and month that work is to schedule to be performed.

3. Number and type of equipment to be utilized.

4. Any Plan for coffer dams if applicable.

2.01 MATERIALS:

A. Standard bronze Boshart pitless adaptor PA-200NL, 2” Ɵ outlet and drop pipe.

5000 lb. maximum load or equal.

B. Geotextile: Proplex Geotex 801 or equal C. Sand or bank run gravel D. HDPE Double Wall Corrugated Pipe: the contractor shall purchase the pipe pre-perforated or perforate the pipe themselves with round drilled holes 0.375” in diameter, there should be a minimum of 24 holes per linear foot of pipe spaced

DRAG RESERVOIR SOLAR STOCK WATER 2021 Page 2 of 4 April 15, 2023 around the pipe as per AASHTO Class II standards. The total area of perforation per foot of pipe shall be a minimum of 2.6 in2. The approximate spacing around the circumference of the pipe is one hole every 45°. Holes shall be located in the valley of the corrugations. 3 rows of 8 holes per foot of pipe.

E. Brenlin 36” Plastic riser cover (sized to fit double wall HDPE pipe) Rated for pedestrian traffic or equal. Use torx structural construction screws (see Section 2834 and drawings) of a length adequate to firmly attach to the first rib of the riser pipe.

F. Filter gravel/ sand shall comply with the following gradation sieve No. Passing%

2 90 4 87 8 85.00

10 83.00

18 80.00

20 78.00

30 75.00

40 55.77

50 34.39

80 2.50

100 1.55

200 0.49

Pan 0.35

NOTE: SILTS AND CLAYS SHALL NOT MAKE UP

ANYMORE THAT 0.02 % OF THE MATERIAL BY

WEIGHT

3.01 DISINFECTION:

A. Well water is intended for non-potable use.

3.02 WELL CONSTRUCTION:

A. General: Protect the well during the construction period to prevent tampering or seepage of any contaminated water, petroleum products, or other contaminants into the well from the ground surface.

B. The excavation for the infiltration gallery shall extend a minimum of 36” around the culvert and extend 20’ into the reservoir on the water side of the culvert. The 20’ extension shall be a min of 48” wide.

C. The contractor shall install the filter gravel in such a way as to not contaminate it with adjoining native materials. The procedure needs to be approved by the government before any work is completed on the installation of the gallery.

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D. Seal: When the well is completed, install the specified cap to prevent pollutants from entering the well. The double wall corrugated HDPE culvert shall extend above the final ground level as shown on the drawings. Seal or screen equipment that permits direct access to the well to prevent entrance of foreign matter or contaminants.

E. Pitless Adapters: The specified installation shall be complete including. Connect the drop pipe and horizontal discharge line to the adapter or unit according to the manufacturers' instructions. Connections shall be watertight. The horizontal discharge line shall be six (6) feet below the surface.

1. Pitless Adapters: The outside section of the adapter shall connect onto the well casing a minimum six (6) feet below finished grade. The adapter shall be connected to the casing by clamp-and-gasket. Cut a hole in the HDPE as specified by the mfg.

for the horizontal discharge line or adapter.

2. Discharge pipe shall be connected to the adaptor using a stainless steel/ HDPE transition fitting.

F. The double wall HDPE culvert shall be wrapped with the ProPlex and mechanically fastened with fender washers and screws. There shall be a min of 24” overlap at the seam.

G. The ProPlex textile shall also be wrapped to cover the entire bottom of the culvert and overlap the sides by 24” min.

H. Grading: Slope the ground immediately surrounding the top of the well casing or pitless wellheads away from the well in all directions, as shown on the drawings.

I. Correcting Contamination: If the well becomes contaminated, or water with undesirable physical or chemical characteristics enters the well due to the neglect of the Contractor, corrective work including the supplying of casing, seals, sterilizing agents, or other materials necessary to prevent contamination of the aquifers shall be performed at the Contractor's expense.

J. The contractor shall test the well to determine the steady state flow rate available over a

4-hour time interval. The well needs to flow 24 gpm for 4 hours and maintain a static water surface elevation over that time for it to be considered completed.

K. The contractor shall furnish all misc. parts, labor and equipment to assemble the well to allow a adequate flow of water to be supplied to the existing pipeline.

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A. Units: The cost for the purchase and installation of the pitless adapter will be included in the price to install the well. Payment will be made for furnishing and installing the HDPE Structure and all miscellaneous materials necessary to complete the well..

A. Payment: Payment will be made under Section 16271:

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DIVISION 2 SECTION 02834

SITEWORK FENCE ENCLOSURE

A. Section Includes: Installing with Contractor-furnished property a steel panel enclosure as shown on the drawings and on the Work Data Sheet, and as specified herein.

1.02 REFERENCES:

A. American Wood Preservers' Association AWPA C 1-92 All Timber Products - Preservative Treatment by Pressure Processes AWPA C 5-92 Fence Posts - Pressure Treatment by Pressure Processes AWPA M 4-91 Standard for the Care of Preservative - Treated Wood Products AWPA P 5-92 Standards for Waterborne Preservatives

1.03 SUBMITTALS:

A. General: Submittals shall be according to section titled - General

Information and Requirements.

B. Certificates of Conformance: Submit one copy of written certification from the supplier of the following contractor-furnished items to be used on this project. Submit written certification from the treating plant stating that chemicals and methods used for wood preservation and net amount of preservative retained are in conformance with applicable standards. Submit written certification from the manufacturer that the Contractor-furnished fence posts and wire conforms to the requirements of this section.

2.01 CONTRACTOR-FURNISHED MATERIALS:

A. Posts: Wood Posts : Wood posts shall be sound single-stem members of round cross section. A slight bend in one plane is acceptable. Wood posts 6 inches minimum diameter at the small end lengths are as shown on the work data sheet. Honey Locust, western red cedar (full stem with bark removed), juniper, osage orange, and white oak are acceptable without treatment. Posts are not acceptable when sweep causes a straight line joining the center of the top to the center of the butt to fall outside the body of the post, or at a point 2 inches or more from the center of the post. Posts that are twisted, rotted, excessively bent, or have a check extending into the pit or more than one check are not acceptable. Posts that are charred are not acceptable.

B. Gates: One steel panel shall act as the enclosure entrance.

C. Fasteners: Chain: Lengths of chain shall be used to secure the steel panels to the wood posts. Chain shall be of steel with ½” links wrapped around the post and through the openings in the panels. The ends of the chain shall be bolted together.

D. Steel Panels: Steel Panels shall be HW Brand, HB 560-16 Heavy Panel or equivalent, 16’ long and 5’ high.

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2.03 WOOD TREATMENT PRACTICES:

A. General: Minimum net retention and penetration shall be according to AWPA C

5. Treatment method shall be according to AWPA C 1.

B. Chromated Copper Arsenic (CCA): Waterborne preservative according to Type A, B, or C in AWPA P 5.

C. Field Cutting: Shall be treated with copper naphthenate according to AWPA M

3.01 PREPARATION:

A. Clearing: no clearing of the area is allowed.

3.02 INSTALLATION:

A. General: Set wood posts in dug or drilled holes. Posts shall be installed plumb, to the designated depth, and the lateral alignment shall be within plus or minus 1/2 inch. When treated members must be bored or cut during construction, thoroughly swab untreated surfaces with approved preservative. Avoid breathing sawdust and direct contact of preservative on the skin during field cutting and swabbing. Refer to the preservative manufacturer's required warnings for handling treated members.

B. Wood Posts: The Contractor shall dig or drill holes for setting wood posts to the designated depth. Dug or drilled holes shall provide adequate open space around the post so that backfill can be tamped the full depth around the post. Backfill gradually and uniformly with soil around each post; compact backfill firmly from the bottom of the hole to the ground surface.

C. Gate: Shall be installed in accordance with the drawings.

A. Units: The work described in this section will be measured and paid for by the total enclosure (Each).

A. Payment: Prices and payment will be full compensation for the work described in this section. Payment will be made under:

02834(1) Wood Rail Enclosure. . . . . . . . . . . . . . . . . . . . . . Lump sum

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DIVISION 11 SECTION 11216

SITEWORK WATER WELL PUMPS

1.1 SUMMARY

A. Section Includes: furnishing and installing contractor supplied and government supplied materials to include submersible, drop pipes, fittings, check valves, electrical cable, and other items required to make the installation complete and operable.

Intent of project is to pump water from well using a photovoltaic power source.

B. Related Sections:

General Information and Requirements Section 01009 Photovoltaic systems Section 16271 Water wells Section 02670

1.2 SUBMITTALS

A. General: Submittals shall be according to Section 01009 - General Information and Requirements.

B. Submittals:

1. Product Data and Shop Drawings:

2. Details, descriptions, and dimensions of individual components.

3. Electrical characteristics, features, and operating sequences.

1.3

QUALITY ASSURANCE

A. Quality Assurance: Wiring devices shall be listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

1.4

DELIVERY, STORAGE, AND HANDLING

A. Storage:

1. Store pump in a clean, dry location.

2. Retain shipping flange protective covers and protective coatings during storage.

B. Protection: Protect bearings and couplings against damage from sand, grit, or other foreign matter.

1.5 WARRANTY

A. Summary:

4. Obtain any permits and inspections required by federal, state and local codes and statutes.

B.

References

5. Comply with NEC 2008/ NFPA 70

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C. Project Conditions:

5. All equipment will be installed in wet or normally damp conditions.

D. Furnish extra materials described below that match products installed.

6. Spares fuses for fusible switches.

2.1 Surface Raceways:

A Metal: Galvanized steel with snap-on covers. Manufacturer's standard enamel finishes in color selected by Architect.

B. Plastic: Schedule 80 PVC extruded and fabricated to size and shape indicated, with snap-on cover and mechanically coupled connections with plastic fasteners.

2.2 CONDUCTORS AND CABLES

C. conductors complying with UL 83.

D. Cable Type USE: To be used in all direct burial applications.

E. Cable Type USE-2: To be used in all well casing applications

2.3 GROUNDING MATERIALS

F. Conductors: Stranded for No. 8 AWG and smaller, and Stranded for No. 6 AWG and larger unless otherwise indicated.

1. Insulated Conductors: Copper wire or cable insulated for 600 V unless otherwise required by applicable Code or authorities having jurisdiction.

2. Bare, Solid-Copper Conductors: Comply with ASTM B 3.

3. Bare, Stranded-Copper Conductors: Comply with ASTM B 8.

G. Ground Rods: Copper-clad steel, sectional type; 96 inches long by 5/8 inches in diameter.

H. Bolted Connectors for Conductors and Pipes: Copper or copper alloy, bolted pressure-type, with at least two bolts with clamp-type pipe connectors sized for pipe.

I. Welded Connectors: Exothermic-welding kits of types recommended by kit manufacturer for materials being joined and installation conditions.

2.3 ENCLOSURES

J. NEMA AB 1 and NEMA KS 1 to meet environmental conditions of installed location.

K. Identify enclosure types on Drawings.

1. Outdoor Locations: NEMA 250, Type 3R.

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2.5 EQUIPMENT

A. Submersible Pump and Motor: Ph2oton Motor model number 239029204GS 3Ɵ 0.75 hp Ph2oton pump model 15SL07S4-PE part number 90021503 or equal on both units.

1. Metal shroud to produce a cooling flow around pump motor. (Supply submittal is not purchase for that specific purpose.

2. Lightning and over load, and underload protection must be provided separately if not included in the packaged pump controller.

3. Accessories:

3.1 GENERAL INSTALLATION

A All work shall be in strict conformance with NEC 2020.

B Install all devices and accessory items according to all relevant NEMA standards. Indicate installed circuit loads on a typed circuit directory after balancing loads.

C Design all fasteners and supports to carry expected loads as detailed in the NFPA, NEMA, and associated documents.

3.2 DEVICE INSTALLATION

A Comply with NECA 1, including the mounting heights listed in that standard, unless otherwise noted.

B Install devices and assemblies plumb, level, and square with building lines.

C When mounting into metal boxes, remove the fiber or plastic washers used to hold device mounting screws in yokes, allowing metal-to-metal contact.

3.3 SWITCH AND CIRCUIT BREAKER INSTALLATION

A. Comply with applicable portions of NECA 1, NEMA PB 1.1, and NEMA PB 2.1 for installation of enclosed switches and circuit breakers.

B. Mount individual wall-mounting switches and circuit breakers with tops at uniform height,

3.4 INSTALLATION

A. Submersible Pump: Shall be provided by the Contractor. Install according to the manufacturer's instructions. Do not energize submersible pumps which are not immersed in water for more than 3 seconds at not less than 10-minute intervals, unless written approval is obtained from the manufacturer to do otherwise.

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B. Conductors:

1. General: Install the required wiring, controls and junction boxes, complete, from the point of supply to the submersible pump. Carefully lower the drop pipe taking care not to drag the conductor over the casing edge or allow the conductor to become pinched. As the drop pipe is lowered in the well, check continuity and resistance at each joint with an ohmmeter.

2. Splicing: No splices will be permitted in the drop cable between the motor splice and the surface control unit. Splices in other locations shall be as recommended by the manufacturer.

3. Clamps: Use a stainless-steel clamp below each drop pipe joint, tying the electrical conductors to the drop pipe. The Contractor shall protect the conductors at each stainless-steel clamp with a 75 mm (3-inch) long piece of polyethylene plastic pipe split on one side and placed around the drop pipe between the cable and clamp.

4. Taping: Tape the conductor to the drop pipe with 3/4-inch plastic tape at intervals not to exceed 7 feet. Use a minimum of 4 turns of tape at each tie point.

C. Check Valve: Install a check valve one length of drop pipe above the pump.

D. Centering Guides: Install on plastic drop pipe, one every pipe length.

E. Torque Arrestor: Install one 3’ above pump and one midway to surface.

3.5 FIELD QUALITY CONTROL

PREPARATION

A. Clearing: Worksite clearing shall be as designated and staked by the Contracting Officer.

B. Grading: Minimize surface disturbance at sites. However, level construction sites as necessary for pump installation operations. Construction shall be as staked by the Contracting Officer.

Resultant cut or fill slopes shall not be steeper than 4:1, unless staked otherwise.

C. Examination: Examine areas, equipment foundations, and conditions with Installer present for compliance with requirements for installation and other conditions affecting performance of plumbing pumps. Do not proceed with installation until unsatisfactory conditions have been corrected.

1. Examine roughing-in of plumbing piping systems to verify actual locations of piping connections prior to pump installation.

D. Perform the following field tests and inspections:

1 Test mounting and anchorage devices according to requirements in NFPA standards for Mounting, and Vibration and Seismic Controls for Electrical Systems.

4. Perform each electrical test and visual and mechanical inspection stated in NETA ATS, Section 7.5 for switches and Section 7.6 for molded-case circuit breakers. Certify compliance with test parameters.

E. Submersible Pump:

1. General: After installation is completed, operate the pump, at design capacity, in the presence of the Contracting Officer for a period of at least 2 hours Also provide temporary lines for the safe discharge of test water as approved by the Contracting Officer.

2. Insulation: After installation, test insulation resistance between windings and between each stator winding and frame. Insulation resistance values less than 1/2 megohm are not acceptable.

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4.1 METHOD OF MEASUREMENT

A. Units: The work described in this section will be measured and paid for per unit price for each unit. The work shall include installation of the submersible pump and its associated fittings to complete a water system capable of pumping water to its intended area.

4.2 BASIS OF PAYMENT

A. Payment: Prices and payment will be full compensation for the work described in this section.

Payment will be made under Section 16271(30):

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DIVISION 16 SECTION 16051

ELECTRICAL COMMON WORK RESULTS FOR ELECTRICAL

PART 1 - GENERAL

1.1 SECTION REQUIREMENTS

A. Summary:

1. Obtain any permits and inspections required by federal, state and local codes and statutes.

2. Structural Performance: Design, engineer, fabricate, and install hangers and supports and seismic restraints to withstand structural loads specified in "Project Conditions" Paragraph below.

3. This section covers all electrical work associated with the installation of the solar system, feeder, and all associated electrical equipment required for correct operation of the Drag Reservoir Solar System.

B. References

1. Comply with NEC 2020/ NFPA 70

C. Project Conditions:

1. All equipment will be installed in wet or normally damp conditions.

D. Submittals:

1. Product Data and Shop Drawings:

2. Details, descriptions, and dimensions of individual components.

3. Electrical characteristics, features, and operating sequences.

E. Quality Assurance: Wiring devices shall be listed and labeled as defined in NFPA 70, Article

100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

F. Furnish extra materials described below…