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1.1 This guide is intended for use in the selection, design, and installation of thermoplastic water pressure piping systems for use outside buildings. For specific projects, a thorough review of these guides is recommended for the purpose of selecting specific materials, methods of joining, system design factor, and any special procedures deemed necessary to assure a satisfactory system.

1.2 It is recommended that governing codes and project specifications be consulted prior to the use of this guide. Nothing in this guide should be construed as recommending practices or systems at variance with governing codes and project specifications.

1.3 The pipe, fittings, and joining materials shall meet the requirements of one or more of the following component product standards listed in 1.3.1 through to the extent applicable. Those pipe standards followed by (a) are outside diameter-controlled pipes. Those followed by (b) are inside diameter-controlled pipes.

1.3.1 For poly(vinyl chloride) (PVC) plastic piping components :

ASTM Title of Specification Designation Poly(Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80 and 120 (a) D 1785 Poly(Vinyl Chloride) (PVC) Plastic Pipe (SDR-PR) (a) D 2241 Threaded Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80 D 2464 Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40 D 2466 Socket-Type Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80 D 2467 Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Pipe and Fittings D 2564 Bell-End Poly(Vinyl Chloride) (PVC) Pipe (a) D 2672 Poly(Vinyl Chloride) (PVC) Plastic Tubing (a) D 2740 Socket-Type Poly(Vinyl Chloride) (PVC) Plastic Line Couplings D 3036 Joints for Plastic Pressure Pipes Using Flexible Elastomeric Seals D 3139 Elastomeric Seals (Gaskets) for Joining Plastic Pipe F 477 PVC and ABS Injected Solvent Cemented Plastic Pipe Joints (Note 1) F 545

1.3.2 For polyethylene (PE) plastic piping components:

ASTM Title of Specification Designation Polyethylene (PE) Plastic Pipe, Schedule 40 (b) D 2104 Polyethylene (PE) Plastic Pipe, (SDR-PR) (b) D 2239 Polyethylene (PE) Plastic Pipe, Schedules 40 and 80, Based on Outside Diameter (a) D 2447 Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe D 2609 Socket-Type Polyethylene Fittings for Outside Diameter-Controlled Polyethylene Pipe (a) D 2683 Polyethylene (PE) Plastic Tubing (a) D 2737 Polyethylene (PE) Plastic Pipe (SDR-PR) Based on Controlled Outside Diameter (a) D 3035 Butt Heat Fusion Polyethylene (PE) Plastic Fittings for Polyethylene (PE) Plastic Pipe and Tubing D 3261

1.3.3 For polybutylene (PB) plastic piping components :

ASTM Title of Specification Designation Polybutylene (PB) Plastic Pipe (SDR-PR) (b) D 2662 Polybutylene (PB) Plastic Tubing (a) D 2666 Polybutylene (PB) Plastic Pipe (SDR-PR) Based on Outside Diameter (a) D 3000

1.3.4 For acrylonitrile-butadiene-styrene (ABS) plastic piping components :

ASTM Title of Specification Designation Acrylonitrile-Butadiene-Styrene (ABS) Plastic Pipe, Schedules 40 and 80 (a) D 1527 Solvent Cement for Acrylonitrile-Butadiene-Styrene (ABS) Plastic Pipe and Fittings D 2235 Acrylonitrile-Butadiene-Styrene (ABS) Plastic Pipe (SDR-PR) (a) D 2282 Threaded Acrylonitrile-Butadiene-Styrene (ABS) Plastic Pipe Fittings, Schedule 80 D 2465 Socket-Type Acrylonitrile-Butadiene-Styrene (ABS) Plastic Pipe Fittings, Schedule 40 D 2468 Socket-Type Acrylonitrile-Butadiene-Styrene (ABS) Plastic Pipe Fittings, Schedule 80 D 2469 PVC and ABS Injected Solvent Cemented Plastic Pipe Joints (Note 1) F 545

1.3.5 For poly(vinyl chloride) (PVC) and polyethylene (PE) Plastic Piping Components Issued By the American Water Works Association:

C900-75 Poly(Vinyl Chloride) (PVC) Pressure Pipe, 4-inch through 12-inch, for Water (a) C901-78 Polyethylene (PE) Pressure Pipe, Tubing and Fittings, 1/2-inch through 3-inch, for Water

1.3.6 Pipes with wall thicknesses less than 1.50 mm (0.06 in.) are not recommended.

1.4 Other Joining Devices- Joining devices other than those covered by the listed standards may be selected by the user on the basis of his own engineering evaluation and service experience.

1.5 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.