§ 28-52. Materials.

(a)

All water mains will have the slip on type joint. These mains will be of the following classification:

(1)

Cast iron, cement lined, class 150 pipe.

(2)

C-900 class 150 pvc for all sizes four inches and larger.

(b)

All water pipe will meet the A.W.W.A. requirements as outlined in the specifications of the city.

(c)

Cast iron fittings shall be mechanical joint (MJ).

(d)

Fire hydrants shall be the A.W.W.A. improved type and have 5¼-inch minimum valve openings. Hydrants shall have one pumper nozzle, and two 2½-inch hose nozzles with threads standardized to the requirements of the local fire district. All hydrants shall be blocked to prevent blowoff.

(e)

Gate valves shall be double disk, parallel seat, nonrising stem type. A cast iron adjustment valve box shall be placed over each valve at a height of three inches above finished grade (unless in paved areas in which case it shall be flush) with a two-foot diameter concrete ring (four inches thick) poured around it.

(Code 1966, § 15-56; Ord. No. 3017, 7-10-2001)