SOW Water Service Lines PE.pdf

Water Service Lines PE Date: May 2022

Author: Kala Yarnall Water Service Lines PE

STATEMENT OF WORK

1.01 SUMMARY OF WORK TO BE DONE BY CONTRACTOR

A. Furnish and install water service connection (tap), water meter on City of Sand Springs water main line, and water service line as shown on drawings.

1.02 SITE LOCATION

A. 733 South 276th West Avenue, Sand Springs, OK 74063 B. Latitude: 36.1537141 (N) Longitude: -96.3007987 (W) C. Finding Directions: New lake subdivision on Keystone Lake between Mannford and

Sand Springs. Use GPS coordinates. Gated entry. Coordinate with Project Oversight for access.

1.03 CONSTRUCTION SCHEDULE

A. Contact the Project Oversight 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 to do otherwise.

1.04 QUALITY ASSURANCE

A. Perform work under the direction of personnel licensed in the state of Oklahoma for plumbing.

1. City of Sand Springs requires that individual installing the tap on the main line and installing the meter and associated meter appurtenances shall be a licensed plumbing contractor, journeymen, or apprentice in the state of Oklahoma.

2. The water service connection (tap) and meter installation must be completed by City of Sand Springs-approved vendor.

3. The connection of the water service line and the meter must be completed by a licensed plumber.

4. All material must conform to City of Sand Springs specifications. See attached City of Sand Springs standard detail and notes.

1.05 WARRANTY

A. Provide a minimum one-year warranty for all materials and labor, covering defects in the materials or workmanship.

1.06 WATER SERVICE LINES

A. References (use latest versions)

1. ASTM D2609 Standard Specification for Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe.

2. ASTM D2737 Standard Specification for Polyethylene (PE) Plastic Tubing.

3. ASTM D2774 Standard Practice for Underground Installation of Thermoplastic

Pressure Piping.

4. AWWA C651 Disinfecting Water Lines

5. AWWA C901 Polyethylene (PE) Pressure Pipe and Tubing, ½ in. Through 3 in.

for Water Service.

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

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

B. PE Pipe Material Requirements

1. Ultra-high molecular weight polyethylene pipe.

2. PE 4710 CTS SDR 9 (pressure rating 250 psi).

3. Diameter: 1-inch.

4. 500-foot coil.

5. Recommended Manufacturer: Silver-Line Plastics Ultra-Pure® Blue 4710 CTS

SDR 9 or approved equal.

C. Fittings:

1. Non-flare compression type fittings with stainless steel pipe stiffeners at each joint, heat (butt) fused, or electro-fused fittings will be accepted.

D. Isolation Valve

1. Ball valve:

a. Brass.

b. ¼ turn-handle type.

E. Valve Box

1. Polyethylene box and cover.

2. Minimum dimensions:

a. Length: 21 inches.

b. Width: 16 inches.

c. Height: 12 inches.

3. Recommended Manufacturer: NDS or approved equal.

F. Tapping saddle

1. 6” x ¾” brass tapping saddle conforming to City requirements.

2. Ford 202BS Series with AWWA/CC taper thread.

G. Corporation stop

1. ¾-inch brass conforming to City requirements.

2. Ford F1000-3 AWWA/CC taper thread by CTS compression fitting.

H. Polyethylene water service pipe

1. Ultra-high molecular weight polyethylene pipe.

2. PE 4710 SDR 9 (pressure rating 250 psi).

3. Diameter: ¾-inch.

4. CTS.

I. Ball valve curb stop

1. Brass conforming to City requirements.

2. Ford B43-232W NL.

J. Meter setter

1. Copper conforming to City requirements.

2. Ford VBJ42-7WNL.

K. Meter box

1. Rectangular (Carson 1220-12) conforming to City requirements.

2. Plastic lid with cast iron reader (Carson 1220-3) conforming to City requirements.

L. AMR endpoint

1. Provided & installed by City of Sand Springs.

M. AMR remote antenna

1. Provided & installed by City of Sand Springs.

N. Tracer Wire

1. #12 coated tracer wire from mainline tracer wire at corporation stop to meter setter.

1.07 INSTALLATION

A. Install water service lines and appurtenances in the locations, sizes and materials shown on the drawings or staked in the field.

B. Contractor shall coordinate with the City of Sand Springs to perform the service connection (tap) and to obtain City-furnished materials.

C. Water and sewer service crossing and parallel installation.

1. Maintain a 30-inch horizontal separation between water and sewer services.

2. Maintain a 12-inch vertical separation for crossing water and sewer services. The water service is to be placed above the sewer service whenever possible.

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

D. Thrust blocking is to be provided at all changes in direction.

E. All existing fencing shall be undisturbed by construction activities. Any fencing that is disturbed shall be replaced in kind or exceed existing conditions.

1.08 TRENCH

A. Depth: Minimum 30 inches to the top of the pipe.

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

C. Bedding: If the trench bottom is hardpan, rock, or has stones larger than 3/4 inch in diameter in the largest dimension:

a. Over excavate 6 inches.

b. Place 6 inches of mechanically compacted imported bedding (maximum particle size 3/4 inch) under the pipe

c. Place pipe in trench.

d. Place 6 inches of mechanically compacted imported bedding (maximum particle size 3/4 inch) on the sides and above the pipe D. Backfill: restore trenches to initial grade.

1. Initial Backfill

a. Work material under and around the pipe to ensure full pipe support.

b. Hand tamp to prevent movement of the pipe during placement of material, avoiding contact between the pipe and compaction equipment.

c. Compact in lifts not to exceed 6 inches in loose measurement until 12 inches of backfill covers the top of the pipe.

2. Final Backfill

a. Compact in lifts not to exceed 12 inches in loose measurement with mechanical compacting equipment.

b. Compact all backfill to a density not less than the density of the surrounding undisturbed soil.

c. Surplus materials shall be disposed of as directed by the Project Engineer, or his designated representative.

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

E. Rock Excavation

1. Definition:

a. Solid rock: large masses or rock which, in the opinion of the Project

Oversight, cannot be excavated without hammering, ripping, or other specialized equipment.

b. Loose rock: boulders and/or detached stone having a volume of one cubic yard or more.

2. Execution:

a. Rock excavation may be accomplished by any or all of the following methods:

excavation with earthmoving equipment specialized for rock removal, such as ripping with a bull dozer, or jack hammering.

b. Remove excavated rock from site unless otherwise directed by the Project Oversight, or his designated representative.

1.09 TESTING

A. Before joints are covered, test pipe for leaks.

B. Visually inspect all connections and fittings for leaks in the presence of the Project

Oversight.

C. Repair all leaks before backfilling.

D. Undergo inspection by employee or agent of the City of Sand Springs Municipal

Authority before backfilling.

1.10 CLOSEOUT ACTIVITIES

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

STATEMENT OF WORK