Minnesota Administrative Rules

4715.2640 YOKE VENTS FOR STACKS OF MORE THAN FIVE BRANCH INTERVALS.

Soil and waste stacks in buildings having more than five branch intervals shall be provided with a relief vent at each fifth interval installed, beginning with the top floor. The size of the relief vent shall be equal to the size of the vent stack to which it connects. The lower end of the yoke vent shall connect to the soil or waste stack through a wye and one-eighth bend located below the horizontal branch drain serving fixtures on that floor and the upper end shall connect to the vent stack through a tee or inverted wye not less than three feet above the floor level.

Statutory Authority:

MS s 326.37 to 326.45; 326B.43 to 326B.49

History:

L 2007 c 140 art 6 s 15; art 13 s 4

Published Electronically:

May 14, 2012