NAC445A.6701. Pumping facilities: Booster pumps.

Booster pumps must be located or controlled in such a manner that:

     1. Except for pumping stations which draft from storage tanks, the intake pressure is at least 30 psi when the pump is in operation during peak hour demand.

     2. If necessary, a bypass is available for use.

     3. A device for automatic control prevents excessive cycling.

     4. If a booster pump provides water directly to an individual building:

     (a) The supplier of water is able to demonstrate that the pump will not jeopardize the sanitary quality of the public water system.

     (b) The pump will not reduce the water pressure in the distribution main to less than 40 psi.

     (c) A double check valve assembly is installed at the meter or service line.

     (Added to NAC by Bd. of Health, eff. 2-20-97)