§ 27-181. Materials and specifications.

(a)

All pressure main lines shall be a minimum of 160 PSI polyvinyl chloride pipe made of a virgin material with an NSF approval and installed at a minimum depth of eight inches.

(b)

All lateral lines after control valves shall be a minimum of 80 PSI polyethylene pipe or polyvinyl chloride pipe installed at a minimum depth of eight inches.

(c)

All polyvinyl chloride pipe joints shall be ring tight or solvent welded according to pipe manufacturer's specifications.

(d)

All polyvinyl chloride pipe shall be installed with polyvinyl chloride insert fittings using pinch or screw clamps made of only stainless steel and clamped over the barbed portion of fitting. All polyvinyl chloride pipe larger than one inch shall be double clamped with one clamp directly over barbs and one clamp behind barbs.

(e)

Saddles may be used only if a gasket is part of the saddle and the saddle is made of brass or plastic material with stainless steel or brass screws.

(f)

All underground control or manual valves are to be made entirely of a noncorrosive material.

(g)

No watering by underground sprinkler systems shall be allowed across public sidewalks or streets.

(h)

All underground lawn sprinkler systems installed after the effective date of this article shall be set back at least two feet from the back of the curb or road surface of any adjacent public street or right-of-way.

(Ord. No. 2867, § 1, 12-11-1995)