(a) Polyethylene tubing, 1/2-inch through 3-inch, shall conform to AWWA C901, NSF Standards 14 and 61, and the following requirements:
(1) The tubing shall be made from material having standard PE code designation PE 4710.
(2) The tubing shall have a minimum pressure class of 160 psi with a dimension ratio (DR) of DR-9.
(b) Crosslinked polyethylene tubing, 1/2-inch thru 3-inch, shall conform to AWWA C904, ASTM F876, NSF 14 and 16, and the following requirements:
(1) Tubing shall be made using a peroxide crosslinking process with a minimum degree of crosslinking of 85%.
(2) Tubing shall have a pressure rating of 160 psi dimension ratio (DR) of DR-9 and shall be compatible with the city's standard potable water fittings.
(Ord. of 11-7-16; No. 10-16)