Minnesota Administrative Rules

4715.0600 VENT PIPING ABOVE GROUND.

For vent piping above ground, the following materials may be used:

A.

Cast iron 1A and 1B and fittings, and hubless cast iron 1K (pipe may be uncoated);

B.

Cast iron 1F with 1H fitting;

C.

Steel 2A pipe, wrought iron 2B with 1H fitting, and stainless 2C(b);

D.

Brass 3A or 3B with 3C fittings;

E.

Copper 3F, 3H, 3J, and 3K, with 3N or 3O fittings, except see part 4715.0580, item D;

F.

Copper pipe 3L with 3C fittings;

G.

Copper pipe 3M with 3M fittings; and

H.

Plastic 6A, 6B(1), 6B(2), 6B(3), or 6B(4) with corresponding fittings may be installed except that no horizontal vent may exceed 35 feet in total length.

No vent stack or stack vent 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; 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