รายละเอียดเอกสาร

This specification covers requirements and test methods for dual wall polypropylene pipe and fittings. The nominal inside diameters covered are 12 to 60 in. [300 to 1500 mm]. The requirements of this specification are intended to provide pipe and fittings suitable for underground use for non-pressure storm sewer systems. Pipe and fittings produced in accordance with this specification shall be installed in compliance with Practice D2321. This specification covers pipe and fittings with an interior smooth wall and an annular corrugated profile outer wall (Fig. 1).

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