4715.1590 Receptors Or Sumps

Published: 2015

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Subpart 1.


Except for clothes washers located in bathrooms of single-family dwellings or private use living units, waste receptors or sumps receiving the indirect waste shall not be installed in any toilet room, nor in an inaccessible or unventilated space.

Subp. 2.


All plumbing receptors receiving the discharge of indirect waste pipes shall be of such shape and capacity to prevent splashing or flooding.

Subp. 3.

Domestic or culinary fixtures prohibited as receptors.

No plumbing fixture which is used for domestic or culinary purposes shall be used to receive the discharge of an indirect waste. Domestic use dishwashers may discharge into a sink, or discharge to a sink tailpiece or food-waste grinder if the discharge drain line is fastened as high as possible under the countertop.

Subp. 4.

Stand pipe receptors.

Stand pipe receptors shall be individually trapped and vented according to the requirements of this chapter. Each stand pipe receptor for clothes washers shall meet this requirement, except that multiple clothes washers in the same room may discharge to multiple standpipes that are manifolded together with a single trap. The stand pipe receptor for clothes washers shall extend not more than 30 inches, nor less than 18 inches above its trap, and the trap shall be installed at least six inches above the floor.

Subp. 5.

[Repealed, 19 SR 590]