Minnesota Administrative Rules

4715.1510 INDIRECT WASTE PIPING.

Indirect waste piping must be installed so as to permit ready access for flushing and cleaning, and must meet the material requirements of the code. Except as otherwise herein provided, the size and construction of indirect waste piping must be in accordance with parts 4715.2300 to 4715.2660, regulating the installation of waste and vent piping.

Indirect waste pipes from appliances, devices, or other equipment not regularly classed as plumbing fixtures, but which are equipped with drainage outlets, must be trapped, but the traps need not be vented and the waste pipe must be a minimum of three-fourths inch size, but not less than the size of the outlet or tail piece of the fixture, appliance, or equipment served. However, overflow pans and drip outlets need not be trapped and may be the same size as the outlet. Alternate materials may be accepted for drains from overflow pans and drip outlets if proper pitch, alignment, and support are maintained.

Statutory Authority:

MS s 16B.59 to 16B.73; 326.37 to 326.45; 326B.101 to 326B.151; 326B.43 to 326B.49

History:

11 SR 1405; 19 SR 590; 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