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