Minnesota Administrative Rules

4715.2650 COMBINATION WASTE AND VENT SYSTEM.

Subpart 1.

Where permitted.

A combination waste-and-vent system shall be permitted only where structural conditions preclude the installation of a conventional system as otherwise provided in this code.

Subp. 2.

Limits of use.

A combination waste-and-vent system is limited to floor drains and sinks which will not be used for greasy wastes. It consists of an installation of waste piping in which the trap of the fixture is not individually vented. Every drainage pipe and trap in the waste and vent system shall be at least two pipe sizes larger than the size required in part 4715.2310. Vents shall be provided at both ends of the system.

Subp. 3.

[Repealed, 28 SR 146]

Statutory Authority:

MS s 16B.59; 16B.61; 16B.64; 326.37; 326.40; 326B.101; 326B.106; 326B.13; 326B.43; 326B.46

History:

28 SR 146; L 2007 c 140 art 4 s 61; art 6 s 15; art 13 s 4

Published Electronically:

May 14, 2012