Minnesota Administrative Rules

4715.0580 SOIL AND WASTE PIPING ABOVE GROUND.

For soil and waste piping, except special wastes, above ground, the following materials may be used:

A.

Cast iron 1A and 1B and fittings, and hubless cast iron 1K. This pipe may be uncoated above ground.

B.

Cast iron 1F with 1J fittings.

C.

Steel pipe 2A, wrought iron 2B with 1J fittings, and stainless 2C(b).

D.

Copper 3F, 3H, 3J (hard temper only), and 3K with 3O fittings except these materials shall not be used to receive the wastes from urinals nor wastes from water closets in battery. These materials are not recommended for use in buildings served by septic tank sewage disposal systems.

E.

Lead 4A with wiped joints and fittings 4C.

F.

Plastic 6A, 6B(1), 6B(2), 6B(3), or 6B(4) with corresponding fittings may be installed except that no horizontal drain may exceed 35 feet in total length. No stack may exceed 35 feet in total height unless an approved expansion and contraction joint is installed at intervals not to exceed 35 feet.

Statutory Authority:

MS s 16B.59 to 16B.75; 326.37 to 326.45; 326B.101 to 326B.194; 326B.43 to 326B.49

History:

9 SR 1557; 15 SR 76; 23 SR 686; L 2007 c 140 art 4 s 61; art 6 s 15; art 13 s 4; L 2008 c 337 s 64

Published Electronically:

May 14, 2012