For storm water or clear water drainage within buildings underground:
Approved materials shall be as specified in part 4715.0570 with the following addition.
Concrete 5M and 5N and fittings.
MS s 326.37 to 326.45; 326B.43 to 326B.49
L 2007 c 140 art 6 s 15; art 13 s 4
May 14, 2012
Official Publication of the State of Minnesota Revisor of Statutes