§ 126-711. Water system.

(a)

Materials. For a subdivision, all pipe and fittings shall be approved by the American Water Works Association for carrying potable water. Water lines shall be constructed of the following materials:

(1)

Prestressed concrete pressure pipe, steel-cylinder type conforming to AWWA C-301;

(2)

Reinforced concrete pressure pipe, steel-cylinder type conforming to AWWA C-300;

(3)

Reinforced concrete pressure pipe, steel-cylinder type, pretensioned conforming to AWWA C-303;

(4)

Steel water pipe conforming to AWWA CD-200 with protective coating approved by the city engineer;

(5)

Ductile iron pipe conforming to AWWA C-151 class 50 with protective cement-mortar lining conforming to AWWA C-104;

(6)

Cast iron pipe conforming to AWWA C-101 with protective cement-mortar lining conforming to AWWA C-104;

(7)

Polyvinyl chloride and fittings conforming to the latest revision of AWWA C-900, class 150; and/or

(8)

Cast iron fittings shall conform to the latest revision of ASA A-21.10 and ASA A-21.11.

(b)

Valves. All valves shall conform to the latest revisions of AWWA C-500 and shall open left. All valves shall be provided with an approved adjustable valve box and cover. At intersections of water distribution lines, the number of valves will be one less than the number of radiating lines.

(c)

Hydrants. All fire hydrants shall be Mueller A423, Super Centurion 200, American Darling B848, American Darling B62B with extension, or Clow Medallion meeting latest revision of AWWA 502. Hydrants shall be three-way with National Standard threading. Hydrants shall be located on six-inch or larger lines, looped with six-inch or larger lines. Hydrants shall be spaced every 300 feet along accessways in commercial and industrial areas and every 500 feet along streets in residential areas. The maximum distance from the nearest fire hydrant to the most remote exterior point of any single-family dwelling shall be 500 feet. The maximum distance from the nearest fire hydrant to the most remote exterior point of any residential or commercial dwelling unit shall be 500 feet. The distance shall be measured on a roadway surface meeting the fire department access requirements of the fire prevention code adopted by the city. There shall be a gate valve between the main and the fire hydrant.

(d)

Size. All water mains shall be a minimum of six inches in diameter, except where approved by the city engineer. All water mains along streets classified as minor arterials or higher on the major thoroughfare plan shall be a minimum of eight inches in diameter.

(e)

Construction. Water lines shall be constructed according to the city engineer's specifications as to trenching, bedding, alignment, grade, installation, backfill and compaction.

(f)

Testing. Bacterial analysis samples shall be taken by the utilities department before the new water system is connected to existing city lines. All water lines shall be tested in accordance with the city engineer's specifications. All materials, labor and equipment necessary for testing shall be provided by the developer. All tests shall be submitted in writing to the city engineer.

(Code 1967, § 27-73(b); Ord. No. 3655, § 3, 7-28-83; Ord. No. 5117, §§ 1, 2, 10-13-88; Ord. No. 5263, § 3, 4-27-89; Ord. No. 7256, § 1, 3-9-95)