1006.01 GENERAL. Thermoplastic pipe and joint systems for cross
drains, storm drains, and side drains shall be from the Approved Materials List. Thermoplastic pipe for underdrains and yard drains shall be perforated or non-perforated, as specified, and shall be from the Approved Materials List. Perforations, if specified, shall comply with AASHTO M 252.
1006.02 POLYVINYL CHLORIDE PIPE (PVCP). PVCP and gasket
materials shall comply with AASHTO M 278 or ASTM D3034, SDR 35.
1006.03 Ribbed Polyvinyl Chloride Pipe (Rpvcp).
RPVCP may be either open profile or dual wall construction in accordance with the specified ASTM standards. Pipe and gasket materials shall comply with ASTM F794 or ASTM F949, Series 46 with UV inhibitors. The resin shall have a minimum cell classification of 12454-C in accordance with ASTM D1784.
1006.04 Corrugated Polyethylene Pipe Single Wall
(CPEPSW). CPEPSW shall be perforated and shall comply with AASHTO M 252, Type C. Perforations shall comply with AASHTO M 252. Do not use CPEPSW as shoulder outlet underdrain pipe.
1006.05 Corrugated Polyethelene Pipe Double Wall
(CPEPDW). When used for storm, cross, or side drains, CPEPDW pipe and gasket materials shall comply with AASHTO M 294, Type S, with a minimum resin cell classification of 435400C in accordance with ASTM D3350. When used for plastic underdrain pipe, the pipe and joint system shall comply with AASHTO M 252. When used for yard drain pipe, the pi pe and joint system shall comply with AASHTO M 252, Type S, with a minimum resin cell classification of 424420C in accordance with ASTM D3350, or AASHTO M 294, Type S, with a minimum resin cell classification of 435400C in accordance with ASTM D3350.
1006.06 JOINT SYSTEMS FOR THERMOPLASTIC PIPE. Use pipe
and joint systems from the Approved Materials List. Joint systems shall comply with 1018.03. A Type 2 or 3 joint system may be substituted for a Type 1 joint system; a Type 3 joint system may be substituted for a Type 2 joint system. When using split coupling bands, use one piece that is composed of the same material as the pipe. The bands shall be the same thickness as the base pipe. The width of the band shall be equal to one -half the diameter of the pipe but a minimum of 12 inches wide.
Thermoplastic Pipe in other states
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