Section 15064 PIPE: PLASTIC

Section 15064

PIPE: PLASTIC

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Plastic pipe.

B. Related sections include but are not necessarily limited to:

1. Division 01, Additional General Requirements

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. The requirements of the following sections and divisions apply to the Work of this section. Other sections and divisions of the Specifications, not referenced below, shall also apply to the extent required for proper performance of this Work.

1. Section 09800, Protective Coating

2. Section 15000, Piping, General

3. Section 15020, Pipe Supports

1.3 QUALITY ASSURANCE

A. Referenced Standards:

1. ASTM International (ASTM):

a. PVC (Polyvinyl Chloride) Materials:

D1599 Test Method for Short-Time Hydraulic Failure Pressure of Plastic Pipe, Tubing and Fittings

D1784 Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds

D1785 Standard Specification for Poly(Vinyl Chloride) PVC Plastic Pipe, Schedules 40, 80 and 120

D2467 Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80

D3034 Standard Specification for Type PSM Poly(Vinyl

Chloride) (PVC) Sewer Pipe and Fittings

D3139 Standard Specification for Joints for Plastic Pressure

Pipes Using Flexible Elastomeric Seals

D3212 Standard Specification for Joints for Drain and Sewer

Plastic Pipes Using Flexible Elastomeric Seals

F593 Standard Specification for Stainless Steel Bolts, Hex

Cap Screws, and Studs

F679 Standard Specification for Poly(Vinyl Chloride) (PVC) Large-Diameter Plastic Gravity Sewer Pipe and Fittings

F794 Standard Specification for Poly(Vinyl Chloride) (PVC) Profile Gravity Sewer Pipe and Fittings Based on Controlled Inside Diameter

F949 Standard Specification for Poly(Vinyl Chloride) (PVC) Corrugated Sewer Pipe with a Smooth Interior and Fittings

b. Installation:

D2321 Standard Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other Gravity-Flow Applications

2. American Water Works Association (AWWA):

a. PVC (Polyvinyl Chloride) Materials:

C900 Standard for Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings, 4 Inches through 12 Inches, for Water Distribution

C905 Standard for Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings, 14 Inches through 48 Inches, for Water Transmission and Distribution

b. Polyethylene (PE) Materials:

C901 Standard for Polyethylene (PE) Pressure Pipe and

Tubing, 1/2 Inches through 3 Inches, for Water Service

3. National Sanitation Foundation International (NSF)

1.4 FIELD TESTING

A. Piping shall be pressure tested at a pressure of 1-1/2 times the maximum working pressure for not less than one hour with no leakage.

B. Leakage may be determined by loss of pressure, soap solution, chemical indicator, or other positive and accurate method. All fixtures, devices, or other accessories connected to the line which would be damaged by the test pressure shall be disconnected. Ends of branch lines disconnect points shall be plugged or capped as appropriate during the test procedure.

PART 2 - PRODUCTS

2.1 PVC DRAINAGE, SEWER PIPING A. Materials:

1. Furnish materials in full compliance to the following material specification.

2. PVC pipe shall be rigid, unplasticized polyvinyl chloride (PVC) made of PVC plastic having a cell classification of 12454-B or 12454-C as described in specification ASTM D1784.

3. The requirements of this Specification are intended to provide for pipe and fittings suitable for non-pressure drainage of wastewater and surface water.

4. Joining systems shall consist of an elastomeric gasket joint meeting requirements of ASTM D3212.

5. Supply to the ENGINEER all information and sample of joining method for his evaluation.

a. Only jointing methods acceptable to the ENGINEER will be permitted.

6. Provide pipe and fittings meeting or exceeding the following requirements:

a. (4) 27-inch diameter: ASTM D3034 and ASTM F679, SDR 35 b. (8) 30-inch diameter: ASTM F794

c. (4) 18-inch diameter: ASTM F949

7. Ensure impact strengths and pipe stiffnesses in full compliance to these

Specifications.

B. Installation: Install pipe and fittings in accordance with ASTM D2321 and as recommended by the manufacturer.

1. Provide for a maximum deflection of not more than 3 percent. C. Infiltration and Exfiltration:

1. The maximum allowable infiltration measured by test shall not exceed 100 GAL

per inch of pipe diameter per mile per 24 hours.

2. For exfiltration, all the pipe and fittings shall exceed performance requirements by an air test procedure.

3. Observe full instructions of the ENGINEER for carrying of testing procedures.

a. Perform tests only during presence of the ENGINEER or his authorized representative.

4. Should any test on any section of pipe line disclose either infiltration rates greater than allowed or disclose air loss rate greater than that permitted, locate and repair the defective joints or pipes at no cost to OCSD and retest until requirements stated are met.

D. Deflection:

1. After backfilling, each section of pipe shall be checked for deflection by pulling a mandrel through the pipe.

2. Pipe with deflection exceeding 5 percent of the inside diameter shall have backfill removed and replaced to provide a deflection of less than 5 percent.

3. Any repaired pipe shall be retested.

2.2 PVC PRESSURE PIPE A. Pipe:

1. PVC pipe shall conform to ASTM D 1785 - Schedule 80, suitable for solvent weld joints unless indicated otherwise.

B. Fittings:

1. Fittings shall be socket fittings conforming to ASTM D 2467 - Schedule 80 unless indicated otherwise.

2. Flanged connection shall be made to equipment, tanks and valves as indicated on Drawings.

C. Pipe Supports:

1. Pipe supports shall conform to the requirements of Section 15020 - Pipe

Supports and shall also be in compliance with the manufacturer's recommendations.

PART 3 - EXECUTION

3.1 IDENTIFICATION

A. Identify each length of pipe clearly at intervals of 5 feet or less.

1. Include manufacturer's name and trademark.

2. Nominal size of pipe, appurtenant information regarding polymer cell classification and critical identifications regarding performance specifications and NSF approvals when applicable

3. Recommendations and in full observance to plan details when more stringent.

3.2 PVC DRAINAGE, SEWER PIPING

A. Installation: Install pipe and fittings in accordance with ASTM D2321 and as recommended by the manufacturer.

1. Provide for a maximum deflection of not more than 3 percent. B. Infiltration and Exfiltration:

1. The maximum allowable infiltration measured by test shall not exceed 100 gallons per inch of pipe diameter per mile per 24 hours.

2. For exfiltration, all the pipe and fittings shall exceed performance requirements by an air test procedure.

3. Observe full instructions of the ENGINEER for carrying of testing procedures.

a. Perform tests only during presence of the ENGINEER or his authorized representative.

4. Should any test on any section of pipe line disclose either infiltration rates greater than allowed or disclose air loss rate greater than that permitted, locate and repair the defective joints or pipes at no cost to OCSD and retest until requirements stated are met.

C. Deflection:

1. After backfilling, each section of pipe shall be checked for deflection by pulling a mandrel through the pipe.

2. Pipe with deflection exceeding 5 percent of the inside diameter shall have backfill removed and replaced to provide a deflection of less than 5 percent.

3. Any repaired pipe shall be retested.