Myers-Paxton SOW_Bixby - EsignAFB.pdf

STATEMENT OF WORK

1.01 SUMMARY OF WORK TO BE DONE BY CONTRACTOR

A. Install 200 linear feet of 8-inch C900 DR14 PVC water main line, fittings, and other appurtenances specified in the contract drawings and exhibits to serve two homes.

1.02 SITE LOCATION

A. Latitude: 35.922847 (N) Longitude: -95.814903 (W)

B. Legal Description of location for water main line improvements: W/2 NW/4 NW/4

SW/4 and W/2 SW/4 SW/4 NW/4 of Section 27, Township 17 North, Range 14 East, Tulsa County, Oklahoma.

C. Finding Directions: From intersection of Highway 64 (171st Street) and Memorial

Drive in Bixby, go west on Highway 64 approximately 4 miles to S 145th E Ave. Turn north on 145th and follow road approximately 0.3 miles. Project location is in existing roadway easement on the west side of S 145th E Ave.

D. Note: Water main line improvements are not adjacent to home to be served.

1.03 CONSTRUCTION SCHEDULE

A. Contact the Project Oversight and City of Bixby three business days before the start of any work.

B. Failure to perform work on the date scheduled shall require 24-hour notice for rescheduling the work.

C. Leave all work exposed until inspected and approved. Work not inspected before it is covered shall be re-exposed at the Contractor’s expense.

D. All work shall be performed Monday – Friday ONLY between the hours of 8:00 a.m. –

5:00 p.m. No work is to be performed on the weekends and/or federal holidays unless other work schedule arrangements are approved by the Project Oversight and City of

Bixby to do otherwise.

1.04 SUBMITTALS

A. Product Data

1. PVC Pipe.

2. Fittings.

3. Mechanical Joint Restraints.

4. Gate Valve.

5. Valve Box.

6. Tracer Wire.

7. Tracer Wire Connectors.

8. Mylar Warning Tape.

B. Written Reports and Laboratory Analysis

1. Pressure and Leakage Test Results.

2. Bacteriological Sample Reports.

1.05 QUALITY ASSURANCE

A. Perform work in accordance with the Oklahoma Department of Environmental Quality

(ODEQ) approved contract drawings and in accordance with City of Bixby Standard

Specifications and Details.

1.06 WARRANTY

A. Provide a minimum two-year warranty for all materials and labor, covering defects in the materials or workmanship, for water main line, as required by City of Bixby.

1.07 PUBLIC WATER DISTRIBUTION PIPING POLYVINYL CHLORIDE PIPE

A. References (use latest versions)

1. ASTM D2241 Standard Specification for Polyvinyl Chloride (PVC) Pressure- Rated Pipe (SDR Series).

2. AWWA Manual M23 PVC Pipe Design and Installation.

3. AWWA C605 Underground Installation of Polyvinyl Chloride (PVC) and

Molecularly Oriented Polyvinyl Chloride (PVCO) Pressure Pipe and Fittings.

4. AWWA C651 Disinfecting Water Mains.

5. AWWA C900 Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings, 4

In. Through 60 In.

6. NSF Standard 014 Plastic Piping System Components and Related Materials.

7. NSF Standard 061 Drinking Water System Components – Health Effects.

8. City of Bixby Standard Infrastructure Specifications and Details.

9. City of Bixby Oversighting Design Criteria Manual – Section F Waterworks

System Criteria.

B. PVC Pipe

1. Nominal diameter: 8-inch.

a. ANSI/AWWA C900.

b. Class 200, DR14.

c. Pressure rating: 305 psi.

d. Twenty foot pipe lengths.

e. Gasketed bell and spigot joints.

f. Recommended Manufacturer: JM Eagle Blue Brute C900 or approved equal.

2. Nominal diameter: 2-inch.

a. ASTM D1785 and ASTMD2665.

b. SCH40.

c. Pressure rating: 280 psi.

d. Twenty foot pipe lengths.

e. Gasketed bell and spigot joints.

f. Recommended Manufacturer: Silver Line Plastics SCH40 Belled End or approved equal.

C. Fittings

1. Epoxy-coated, ductile iron.

2. Mechanical joint.

3. Conforms to AWWA C153 for ductile iron compact fittings.

4. Recommended Manufacturer: Tyler Union, Sigma, or other approved equal.

D. Mechanical Joint Restraints

1. Restraint devices shall consist of multiple gripping wedges incorporated into a follower gland conforming to AWWA C110 for ductile iron fittings or shall be integrated into the design of the restraint gland. As the mechanism is activated, multiple wedge action shall be imparted against the pipe.

2. Gland body, wedges, and wedge actuating components shall be ductile iron and conform with ASTM A536.

3. Required Manufacturer: EBAA Iron Series 2000PV or Star Pipe Products Stargrip Series 4000HD.

E. Gate Valve

1. 8-inch.

2. Epoxy-coated, ductile iron gate valve.

3. Resilient seated.

4. Non-rising stem with 2-inch square operating nut.

5. Conforms with AWWA C515 or AWWA C509 and ANSI/NSF 61.

6. Supply valve with mechanical joint restraints.

7. Required Manufacturer: American AVK Company S65 or Mueller A2362 Series.

F. Valve Box

1. 2-piece, screw type, adjustable cast iron valve boxes.

2. Non-locking cover.

3. Required Manufacturer: Tyler Union 6850 Series 562-S.

G. Tracer Wire

1. #8 AWG insulated solid copper wire.

2. Tracer wire connectors shall be rated for underground use.

H. Mylar Warning Tape

1. 2 inches wide and blue in color with continuous black lettering stating “Caution:

Water Line Below.”

2. Required Manufacturer: Lineguard Inc. Linegurad Tape III.

1.08 INSTALLATION

A. Locate and expose the existing C900 DR 14 PVC water main line.

B. Remove existing cap and 2-inch gate valve.

C. Install 8-inch ductile iron, solid sleeve coupling, with mechanical joint restraints, at the connection point to the existing 8-inch C900 PVC water main.

D. Install water main line and appurtenances in the locations, sizes and materials shown on the contract drawings and exhibits.

E. Install #8 AWG tracer wire along top of the water main line piping. Mylar warning tape shall be buried above the PVC water main line piping at a depth 10 inches below grade.

F. Water and sewer service crossing and parallel installation.

1. Maintain a 10-foot horizontal separation between water and sewer mains, storm sewers, raw water lines, oil and gas lines, and buried electric cables.

2. Maintain a 24-inch vertical separation for crossing water and sewer services. The water service is to be placed above the sewer service whenever possible.

3. Water line splices or joints will not be permitted within 10 feet of a sewer line crossing.

G. Thrust blocking and/or mechanical joint restraints are to be provided at all changes in direction and fittings.

H. The terminus of the 8-inch C900 PVC water main line shall consist of an 8-inch ductile iron tapped (threaded) cap with a 2-inch brass corporation stop. 2-inch SCH40 PVC water main piping shall be installed to tie back into existing 2-inch grey PVC water main. Mechanically restrained, ductile iron ninety-degree bends shall be installed to make the tie-ins.

1.09 TRENCH

A. Width: No greater than 24 inches plus the diameter of the pipe and no less than 12 inches plus the diameter of the pipe.

B. Depth: Minimum 36 inches of cover on top of pipe.

C. Bottom: Free from stones greater than 3/4 inch, large dirt clods, and any frozen material.

D. Bedding:

1. Place 6 inches of mechanically compacted bedding (compacted to 85% of maximum density).

a. Bedding shall be clean sand with no rocks larger than 3/8-inch.

2. Place pipe in the trench.

3. Place 6-inch lifts of mechanically compacted bedding (compacted to 85% of maximum density) around and over the pipe until 6 inches of select fill covers the top of the pipe.

E. Backfill

a. Place 12-inch lifts of excavated material over mechanically compacted bedding and compact to a density at least equal to that of the surrounding earth.

b. Mound trenches at a maximum of 3 inches above existing grade to provide for consolidation of the disturbed soil.

c. Surplus materials shall be disposed of as directed by the Project Oversight.

d. Any excessive settlement, exceeding 3 inches, shall be corrected by the contractor at his expense.

1.10 TESTING

A. Test the installed piping for leakage in accordance with AWWA standard specification.

Leakage must not exceed 10 gallons/inch diameter per mile of pipe per 24 hours at 150 testing pressure.

B. The testing of the water main line will be performed by the Contractor and will be witnessed by IHS and City of Bixby personnel. A test pressure of 150 psi shall be applied for a minimum of 30 minutes followed by a test pressure of 110 psi for a minimum of 2 hours.

C. Once line passes initial pressure test without a significant drop in pressure, a leakage test shall be made at the normal operating pressure for a minimum of 2 hours.

D. Visually inspect all connections and fittings for leaks in the presence of the Project Oversight and City of Bixby personnel.

E. Repair all leaks before backfilling.

1.11 DISINFECTION

A. Disinfect in accordance with AWWA C651 before placing in service.

1. Sample and test until 2 consecutive (minimum of 24 hours apart) negative bacteriological tests are obtained.

a. The sampling of the water main line will be collected by the Contractor and shall be witnessed by IHS and City of Bixby personnel.

b. Bacteriological test must be a 24-hour test. 17-hour test is not acceptable.

2. Provide a copy of the negative tests to the Project Oversight and City of Bixby.

1.12 CLOSEOUT ACTIVITIES

A. Restore the site as close as is practical to its original condition.

1. Any fencing that is disturbed by the Contractor shall be replaced in kind and to original condition.

2. All excess material and/or garbage shall be removed from the site by the

Contractor and disposed of in accordance to state and federal regulations.

B. Final Inspection:

1. Send written certification that work is complete and ready for Final Inspection to the Contracting Officer, Project Oversight, and City of Bixby.

2. The Contracting Officer will schedule the Final Inspection at a day and time that is convenient to all parties.

3. Provide record drawings to the Project Oversight.

C. Punch List:

1. The Contracting Officer will provide a letter to the Contractor listing the deficiencies noted during the Final Inspection.

2. Correct the deficiencies in conformance with the contract drawings and City specifications.

3. Send written certification that punch list items are complete to the Project Oversight.

Date2_af_date: 10/31/25