4715.0570 SOIL AND WASTE PIPING UNDERGROUND OR EMBEDDED.

For soil and waste piping, except special wastes, underground or embedded in masonry construction the following materials may be used:

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A.

Cast iron 1A or 1B and fittings, and hubless cast iron 1K;


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B.

Cast iron 1C or 1D with 1E fittings;


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C.

Steel pipe 2C(b), stainless;


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D.

Lead 4A pipe with wiped joints, fittings 4C; and


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E.

Plastic 6A, 6B(1), 6B(2), 6B(3), or 6B(4) and corresponding fittings must be laid on a continuous granular bed. Installation must comply with ASTM D2321.