(A) Plastic pipe with six-inch diameter shall be perforated polyethylene pipe conforming to AASHTO M-252 for underdrain pipe.
(B) Fabricated branches shall be polyethylene conforming to AASHTO M-252.
(Ord. 2003-8-2, passed 8-26-03; Am. Ord. 2013-3-1, passed 3-28-13)