Okla. Admin. Code § 252:626-19-4

Current through Vol. 42, No. 4, November 1, 2024

Section 252:626-19-4 - Water main design for systems providing domestic water only

This section applies only to water systems without full fire protection capabilities.

(1)Sizing of mains. Size all water mains after a hydraulic analysis based on flow demand of not less than 1 gal/min per service connection. The minimum size of water mains is 2 inches in diameter.

(2)Hydrants. Fire hydrants with pumper outlets shall not be connected to water systems or mains unless the system is designed to carry fire-flows.

(3)Valves. Locate valves at not more than 1 mile intervals and at all branch lines from the main line.

Okla. Admin. Code § 252:626-19-4

Added at 18 Ok Reg 1612, eff 6-1-01; Amended at 25 Ok Reg 2304, eff 7-11-08