A04_SOW.pdf

WAPATO IRRIGATION PROJECT

Statement of work

Scope of Work

Contractor shall supply and deliver sought materials included approximately 16,204 feet of 4-inch to 30-inch diameter PVC pipe and related valves, fittings, couplings and miscellaneous appurtenances in accordance with WIP details and specifications. All materials listed on the schedule of prices must be delivered to the Wapato Irrigation Project (WIP), 413 South Camas Ave., Wapato, WA 98951, NLT 45 Days after Reciept of Order (ARO)

See attached for material specification and quantities.

1. Point of contact

To be provided upon award.

2. Delivery Location and Delivery Instructions

The materials will be delivered to the storage yard adjoining the Wapato Irrigation Project office, which is located at 413 S. Camas Ave, Wapato, WA 98951.

At the Supplier’s expense, the Supplier shall deliver the goods to the WIP yard. WIP will provide an operator and forklift for unloading the pipe and fittings. No nesting of pipe shall be allowed. The pipe and fittings are to be delivered 45 Days after Reciept of Order (ARO). Deliveries shall be only between 8:00 a.m. and 2:00 p.m., Monday through Friday (excluding federal holidays). A 24-hour notice shall be required prior to delivery of goods. Notification means making personal contact not just leaving a phone message.

3. Completion Time

Contractor shall complete the contract with-in 45 days of receiving award notification. Contract completion occurs when materials are delivered and accepted by the WIP. The WIP will provide the Supplier with an acceptance letter the date of which will start the warranty period.

4. Quantities/Schedule of Prices

See attached Schedule of Prices for quantities, size, and pressure rating of each item.

5. Specifications

See attached Material Specifications for all details on pipe, fittings, valves, air vents, and extra. All standards and specifications referenced in all sections of the specifications shall be the latest edition and version thereof. This includes AWWA, ASTM, ANSI, NSF and Federal specifications and standards.

All materials supplied to the WIP must meet these specifications. Damaged materials or materials that do not meet the specifications will not be accepted.

6. Warranty

All materials delivered to the WIP will be covered by a warranty for a minimum of one year from the date of contract completion or by the manufacture’s standard warranty whichever is longer. The Supplier shall be responsible for any damages resulting to the WIP from any non-conforming or defective goods, including any consequential damages, and the Supplier shall defend and indemnify the WIP from any claims, damages, litigation, expenses, or costs, including fees, which the WIP may incur because of the defective or non-conforming goods.

MATERIAL SPECIFICATIONS

General

1. Standards and specifications referenced shall be the latest edition and version thereof. This includes AWWA, ASTM, ANSI, NSF and Federal specifications and standards. All materials supplied to the YNE must meet these standards and specifications. Damaged materials or materials that do not meet the specifications will not be accepted.

PVC Pipe and Fittings

1. Scope – This specification covers the quality of Bid Schedule Items: PIP PVC Pipe, IPS PVC Pipe, PVC Drain pipe, PVC Tees, PVC Reducers, PVC Reducer Bushing, PVC Angles, PVC Flanges, and PVC Adaptors.

2. PVC Pipe class sizes

2.1. 12” and smaller PVC pipe and fittings shall be Iron Pipe Size (IPS)

2.2. 15” to 27” PVC pipe and fittings shall be Plastic Irrigation Pipe Size (PIP).

2.3. 30” and larger PVC pipe and fittings shall be C905 Ductile Iron Pipe Size (DIP).

2.4. 4” perforated schedule 40 IPS PVC drainpipe shall be manufactured meeting the requirements of

ASTM PVC1120. The pipe shall have solvent weld belled end. The perforated pipe shall be supplied with two rows of ½” diameter holes on 5” centers. Rows are parallel to the pipe axis and are 120 degrees apart.

2.5. See bid schedule for pipe class, size, pressure rating and if it is gasketed or solvent welded joints.

3. Pipe and Fittings – PVC pipe and fittings shall conform to or exceed the requirements of the specifications listed below:

3.1. PIP, IPS and C905 DIP – (PVC 1120), No “Burnt Pipe” shall be accepted.

3.2. Standards Materials – ASTM D-1784

3.3. Product Design – SCS 430 DD, ASTM D-2241, ASTM D-1785, ASTM D-2672

3.4. Gasket Joint – ASTM D-3139

3.5. Gasket ASTM F-477; Rieber Gaskets shall be required on all gasket fittings.

3.6. All gaskets shall have Durometer in range of 40-60.

3.7. Gasket Material – SBR, IR, EPDM

3.8. Cell Class – 12454-A or B

3.9. Lay length - 20-22 feet

4. Gasketed PVC pipe to be bid with Rieber gaskets.

5. All rubber gasket pipe and fittings to include gasket and lubricant. Note: 150% of pipe manufacturer’s recommended amount of lubricant shall be supplied. Wipe on lubricant must be supplied in gallon or pint containers.

6. All fittings (Diameter of 15” or larger) shall be rated at minimum of 125 psi and (Diameter of 12” or smaller) shall be Schedule 40. Any fitting that can be molded, instead of spliced together, shall be preferred. All fittings shall be delivered as a complete unit.

7. PVC Angles: All 8” and smaller angles shall be molded angles. Angles may not have glued in extensions.

8. PVC Reducers shall transition gradually and be of the eccentric style.

9. PVC Reducer Bushing 12” and smaller shall be the molded bushing type with an external taper (Male x

Female).

10. PVC Flanges shall have free moving collars (VAN Stone Type – Female).

11. PVC Adaptors 10” and smaller shall be Soc x Fipt or Soc x Mipt.

Valves and Vents

1. Scope – This specification covers the quality of the following Bid Schedule Items: Air Vents, Air

Releases, Pressure Reliefs, Butterfly Valves, Gate Valves, and Flange Gaskets.

2. Air Vents shall have a ball valve with seat in cast aluminum body with National Standard pipe threads for attachment. Air vents 2” and smaller shall be rated for use to 150 psi. Air vents larger than 2” shall be rated to 100 psi (all metal).

3. Air Release (Type II) valves shall be lever types for continuous air release under line pressures ranging from 0 psi to 30 psi. The air release valves shall be the Apco Brand 1” model # 50.97 Air Release valve, with a 3/32” orifice, or equal (all metal).

4. Combination Air Vent (Type III) valves shall be double orifice air valves that release large quantities of air during startup and shutdown and release air continuously when lines are pressurized. Air vents must have a polypropylene body with a working pressure range of 2 to 150 psi. The combination air release valves shall be the Netafim Brand 2” model # 65ARIB2PP Combination Air/Vacuum and Continuous Acting Air Vents, or equal.

5. Spring Loaded Pressure Relief Valves shall be of the external spring type in galvanized or epoxy coated steel housing and shall have a factory preset cracking pressure of 90 psi. A pin or jam nut to prevent tampering will lock the pressure adjustment preset at factory. Threads shall be National Standard pipe threads (all metal).

6. Hydraulic Direct Sealing Diaphragm Quick Pressure Relief (QR) Valve:

6.1. Quick Pressure Relief Valves shall be Netafim QR valves or approved equal.

6.2. Main valve body shall be:

6.2.1. For valves 2” and smaller brass with a straight body and standard pipe threads connection ends

6.2.2. For valves 3” and larger iron with a straight body and standard 150psi flange ANSI pattern connection ends.

6.3. Valves shall have a minimum operating pressure rating of 150psi.

6.4. Valves shall be delivered fulling assembled ready to be placed into service.

6.5. Valves shall come set from the factory to open at a line pressure of 90psi.

6.6. All valves shall come equipped with an oil field pressure gage that reads the upstream line pressure. The gage shall be able to read line pressure from 0-100psi or 0 to 160psi

6.7. All other pipe fittings on the valve smaller than 1” shall be standard brass fittings

6.8. All tubing can be nylon or copper.

6.9. All valves shall be equipped with a finger filter on the upstream side to filter the water before it enters the hydraulic controls for the valve.

7. Butterfly Valves:

7.1. Butterfly Valves shall be Tuf-Skin with traveling nut operator for 2”-18” valves and worm gear operated for valves 20” and larger or approved equal.

7.2. Pressure Rating – 150 PSI, Non-Shock.

7.3. Body Style: Wafer.

7.4. Body: Ductile or cast iron epoxy coated with a locating lug for alignment during installation.

7.5. Disc: Stainless steel for 2”-12 valves and epoxy coated ductile iron for 14”-36” valves.

7.6. Seat: Buna N.

7.7. Gear box ratio: minimum of 100:1

7.8. Input shaft: One-piece design.

7.9. Valve Shaft: One-piece stainless steel.

7.9.1. Valve shaft shall have Buna-N O-rings placed in machined grooves on the shaft.

7.10. Butterfly valve shall be traveling nut operated completely enclosed box of epoxy coated ductile or cast iron, with high tensile input screw shaft with ductile iron traveling nut and shall be fully gasketed and greased for outdoor service.

7.11. Buried Service Butterfly Valves shall have a fully enclosed traveling nut operator with a grease filled epoxy coated ductile or cast iron housing. The cover shall be a one piece design gasketed and sealed to the housing, with no indicator plated and a 2” square operating nut installed on the gearbox shaft rated for buried service.

7.11.1. Buried Butterfly Valves with Above Ground Operators shall come fully assembled with valve stem extensions and traveling nut operators. Valve body and valve stem extension shall be sealed and rated for buried service the actuator shall be rated for above ground use.

8. Standard Gate Valves – Gate valves shall be “Pegler 1068” or equal, have a non-rising stem gate with seal, and machined gate and gate seal. Working pressure up to 150 psi. Material shall consist of brass, bronze, or stainless steel. Threads shall be National Standard pipe threads (Female).

9. Resilient Seat Gate Valves – Valves shall be Kennedy AWWA C515 resilient wedge gate valves (2000) style 7561 with 2” square nut operator for buried valve or hand wheel for above ground and flanged ends or equal.

10. Ball Valves shall be industrial two-piece forged brass ball valves precision machined for maximum strength, durability and maintenance free operation with 150 psi working pressure ratings, reinforced PTFE seats, chrome plated ball for long life, separate pack nut to permit handle removal under pressure and bottom loaded stem for safety. Corrosion-resistant steel handle shall have a vinyl grip and ¼-inch twin stop for positive control. Valves operate in either direction. Vacuum rating to 25 in. Hg.

Temperature range is -40 to 400°F. NPT threads. Full port to 2 inches. With female pipe threads on both ends of valve.

11. Red Rubber Full Face Flange Gaskets

11.1. All Gaskets shall be full face flanged gaskets

11.2. Thickness 1/8”

11.3. Operating Pressure Rating of 150 psi,

11.4. Material: Red Rubber

11.5. Color: Red / Reddish Orange

11.6. Min. Temperature: -40°F

11.7. Hardness: 80 Shore A (ASTM D2240)

11.8. Tensile: 500 PSI (ASTM D412)

11.9. Elongation: 250% (ASTM D412)

11.10. Compression Set: 22 Hrs @ 158°F, 55% (ASTM D395B)

11.11. Heat Aging: 70 Hrs @ 158°F (ASTM D573)

11.12. Changed Hardness: 4 Points

11.13. Changed Tensile: -14%

11.14. Changed Elongation: -76%

Zinc Coated (Galvanized) or Aluminum Coated (Aluminized)

Corrugated Iron or Steel Drain Pipe

1. Scope – This specification covers the quality of the following Bid Schedule Items: Corrugated Steel Pipe.

2. Coatings

2.1. Zinc coated (galvanized) steel shall meet the material requirements of AASHTO M 218 (ASTM

A929).

2.2. Aluminum Coated (aluminized Type 2) steel shall meet the material requirements of

AASHTO M-274 (ASTM A929).

3. Material Gage

3.1. The steel sheet thickness shall be 0.064-inch or greater for 6-inch to 10-inch diameter drain pipe

3.2. The steel sheet thickness shall be 0.079-inch or greater for 12-inch to 48-inch diameter drain pipe

3.3. The steel sheet thickness shall be 0.109-inch or greater for 54-inch and larger drain

4. Corrugations

4.1. The corrugations shall be 2 2/3 by 1/2 for 6-inch to 36-inch diameter drainpipe.

4.2. The corrugations shall be 3 by 1 or 5 by 1 for 48-inch diameter drainpipe and larger.

5. Pipe Joints

5.1. All pipe joints shall be re-corrugated annular-banded joints.

5.1.1. Pipe bands shall be 12” wide for pipe diameters 6” to 36” and 24” wide for 48” diameter pipes and larger.

5.1.2. Pipe bands shall be fully corrugated annular two-piece bands with bolted angle flange joints.

5.1.3. Pipe bands shall be constructed with the same material gage and have the same coating as the pipe that it is used to band together.

5.1.4. Pipe bands and all necessary hardware shall be included within the unit price of pipe.

Steel Pipe, Flanges, and Fittings

1. Scope – This specification covers the quality of the following Bid Schedule Items: STEEL PIPE, STEEL

FLANGES, and STEEL FITTINGS & ETC.

2. Steel pipe shall be Schedule 40.

2.1. All 2” and larger shall be standard strength welded steel pipe, butt-end conforming to ASTM specifications A53B or A120. Steel pipe shall not be coated.

2.2. Steel Bollards to be saw cut to specified length and hot dipped galvanized per

ASTM123/ASTM123M.

3. Galvanized Steel pipe and fittings shall be Schedule 40.

3.1. Galvanized steel pipe and fittings shall conform to ASTM A53/A53M. Hot dip galvanizing shall be completed in conformance with ASTM A123/A123M. Piping shall be capable of the hydrostatic working pressures of no less than 150 psi.

3.2. All pipe threads shall be National Pipe Thread Tapered (NPT) and shall conform to ANSI/ASME B1.20.1.

4. Steel Flanges shall be AWWA Class D steel rings.

4.1. All Flanges shall be Butt Weld types.

5. Steel Compression Couplers-Long Bodied

5.1. Steel couplers in the bid schedule are specified as steel compression couplers such as GHEEN, WEDGE TYPE PIERCE, etc.

5.2. A minimum 125 psi rating with a body length of 18”

5.3. Couplers must be bolt on double flange with wedge gasket at each end

5.4. Couplers must be epoxy-coated with galvanized bolt pack complete.

6. Pipe Restraining System for IPS to IPS such as Romac “600” series, etc

6.1. Ductile iron, meeting or exceeding ASTM A 536, Grade 65-45-12

6.2. Clamping bolts will be high strength low alloy steel per AWWA C111

6.3. Clamping nuts will be ANSI B 18.2.2

6.4. Restraining rods, t-bolts and nuts will be high strength, low alloy steel per AWWA C111

6.5. Restraining rods will be 26” long and have the necessary t-bolts and nuts to assemble completely.

7. Tubular Polyethylene Protection for Steel Pipe such as Polywrap, etc.

7.1. 8 mil minimum, linear low density, flat tube, polyethylene film meeting or exceeds AWWA C105- 99, ANSI A21,5-99, ASTM D4976 and NT4112-99.

8. Adjustable Pipe Saddle Support

8.1. Saddle supports shall be a Standon Model S92 Adjustable Pipe Saddle Support constructed out of A36 steel with a corrosion resistant galvanized finish or approved equal.

9. Steel Tapping Saddle (to fit 15”-36” PVC PIPE) Such as Romac FTS420 or approved Equal

9.1. Fabricated steel tapping saddle body made of carbon steel, A-36 or equal

9.2. Outlet has to be NPT(IP) female threads

9.3. Bolts and nuts to be trackhead bolts, heavy hex nuts, ¾” UNC rolled thread stainless steel, type 304 or approved equal.

9.4. Gaskets will be SBR per ASTM D 2000 MBA 710, compounded for water service use or approved equal.

9.5. Unless constructed out of stainless steel the saddle will be fusion epoxy 8-12 mills lined and coated in accordance with AWWA C213.

9.6. Saddle Sizes:

9.6.1. 15” must fit a PVC pipe with an O.D. of 15.300”

9.6.2. 18” must fit a PVC pipe with an O.D. of 18.701”

9.6.3. 21” must fit a PVC pipe with an O.D. of 22.047”

9.6.4. 24” must fit a PVC pipe with an O.D. of 24.803”

9.6.5. 27” must fit a PVC pipe with an O.D. of 27.953”

9.6.6. 30” must fit a PVC pipe with an O.D. of 32.00”

9.6.7. 36” must fit a PVC pipe with an O.D. of 38.30”

Electromagnetic Flowmeters

1. Scope – This specification covers the quality of the following Bid Schedule Items:

ELECTROMAGNETIC FLOW METERS AND INSERTION ELECTROMAGNETIC

FLOWMETERS.

2. The electromagnetic flowmeters shall be: Seametrics Model AG3000p, AG3000r or EX250 as listed in the bid schedule. NO EXCEPTIONS.

2.1. Seametrics is the standard that WIP has adopted for use project wide. This brand is necessary for compatibility with our data downloading instruments. The standard was established and determined by undergoing a competitive process at the time the standard was adopted.

2.2. The flowmeter display: Rate: gallons per minute (gpm) and Total: acre-feet (ac-ft).

2.3. Each flowmeter to be equipped with an internal Data Logger.

2.4. Each flowmeter to be equipped with a battery backup.

2.5. Each flowmeter to be equipped with Modbus RTU protocol for serial communications.

2.6. All flowmeters to be equipped with a factory furnished/installed weather guard and the necessary hardware to install it.

2.7. All flowmeters to be equipped with a factory furnished solar panel power kit. The kit must include all necessary components to provide the necessary power the flowmeter requires to operate.

2.8. See bid schedule for if the meter is to have an integrated display or a remote display.

2.8.1. If the meter is to have a remote display the length of the display cable will be listed below on the part number.

2.9. All EX250 meters to be equipped with an FT450-W-126 remote displays with data logger. The insertion meters remote display shall display flow in cubic feet per second (cfs) and Total: in acre-feet (ac-ft). The insertion meters and remote display shall come will all necessary power and data cables to connect the meter to the remote display/data logger minimum cable length is 6meter(20ft).

3. Part Numbers

3.1. Part Number for AG3000p

3.1.1. 4" flowmeter part # AG3000p-0400-F1-D1-S-01-006D with Weather Guard and solar panel kit

3.1.2. 6" flowmeter part # AG3000p-0600-F1-D1-S-01-006D with Weather Guard and solar panel kit

3.1.3. 8" flowmeter part # AG3000p-0800-F1-D1-S-01-006D with Weather Guard and solar panel kit

3.1.4. 10" flowmeter part # AG3000p-1000-F1-D1-S-01-006D with Weather Guard and solar panel kit

3.1.5. 12” flowmeter part # AG3000p-1200-F1-D1-S-01-006D with Weather Guard and solar panel kit

3.2. Part Number for AG3000r

3.2.1. 4" flowmeter part # AG3000r-0400-F1-D1-S-01-006D-006 with Weather Guard and solar panel kit

3.2.2. 6" flowmeter part # AG3000r-0600-F1-D1-S-01-006D-006 with Weather Guard and solar panel kit

3.2.3. 8" flowmeter part # AG3000r-0800-F1-D1-S-01-006D-006 with Weather Guard and solar panel kit

3.2.4. 10" flowmeter part # AG3000r-1000-F1-D1-S-01-006D-006 with Weather Guard and solar panel kit

3.2.5. 12” flowmeter part # AG3000r-1200-F1-D1-S-01-006D-006 with Weather Guard and solar panel kit

3.3. Part Numbers For EX250: #EX250-B-40 and FT450-W-126 with 6 meter connection cable.

Miscellaneous

1. Scope – This specification covers the quality of the following Bid Schedule Items: Glue, Primer, Trace

Wire & Direct Bury Splice Enclosures.

2. Glue (Solvent cement) shall be brand name UNI-WELD 1700, Weld-on number 711, or equal which meets ASTM D-2564. Glue shall be in gallon containers. For each gallon of glue two (2) applicator brush/lid shall be supplied.

3. Primer (Solvent cement) shall be brand name UNI-WELD 8700, Weld-on p-70, or equal which meets

ASTM D-2564. Primer shall be in gallon containers. For each gallon of primer two (2) applicator brush/lid shall be supplied.

4. Trace Wire (locator wire) shall be # 14 AWG, single conductor solid, bare annealed copper, 30-Volt construction, water-resistant insulation, in 2500 ft coils. The coating shall be blue in color.

5. Direct Bury Splice Enclosures shall be the Spears brand DS-500 Splice Wire Connector, no exceptions.

6. Filter Fabric

6.1. Needle-punched, nonwoven geotextile comprised of long-chain polymeric filaments composed of at least 85 percent, by weight, polyolefins or polyesters.

6.2. Orient filaments into stable network that retains its structure during handling, placement, and long-term service.

6.3. Stabilizers or inhibitors added to filament base material: Resist deterioration due to ultraviolet or heat exposure.

6.4. Geotextile Edges: Salvaged or otherwise finished to prevent outer material from pulling away.

6.5. Conform to average roll values listed in Table below - Geotextile Physical Properties.

6.5.1. Values listed are minimum average roll values (MARV(s), unless otherwise noted.

6.5.2. Test results for weaker principal direction shall meet or exceed minimum values listed in the table.

6.5.3. Mass per unit area is a nominal value and is provided for information purposes only.

6.6. Direct exposure to sunlight: Withstand fourteen (14) days with no measurable deterioration.

Table – Geotextile Physical Properties Property Test Method Units Test Value

Mass per unit area, nominal ASTM D 5261 oz/yd^2 4 8 16 Grab Tensile Strength ASTM D 4632 LB 120 205 400 Elongation at Break ASTM D 4632 Percent 50 50 50

Trapezoidal Tear ASTM D 4533 LB 50 80 140 Puncture Strength ASTM D 4833 LB 65 110 195

Burst Strength ASTM D 3786 psi 210 350 700 Permittivity ASTM D 4491 sec-1 1.8 1.1 0.5

Apparent Opening Size (minimum US Sieve No./ maximum opening size) ASTM D 4751 US Sieve 70 80 70 UV Resistance, Strength

Retained

ASTM D 4355

(500 hours) Percent retained 70 70 70