SECTION 252:626-7-6. Raw water supply conduit

(a)   Pipe and accessories used for conduits must be new and conform to AWWA standard specifications.

(b)   Design supply conduits for the following:

(1)   carrying capacity must meet the ultimate design capacity of the treatment facilities or ultimate maximum daily demand of the community,

(2)   maximum present and future pressures and water hammer,

(3)   hydraulic grade, traffic loads, and laying conditions,

(4)   expansion and contraction, anchorage at bends, and joints,

(5)   blow-off valves and line valves to isolate line sections, and

(6)   air inlet and release valves or towers to release air on filling or draining.

(c)   Flush raw water lines to remove debris before being placed into service.

(d)   Construct lines conducting water from impoundments or streams of watertight material sized to provide a velocity of 3 B 4 ft/s. The conduit must be capable of drawing water from the source when it is at its lowest elevation at a rate equal to the maximum demand of the pumps.

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