NAC445A.67035. Pumping facilities: Gauges and meters.

     1. Each pump must:

     (a) Have a standard pressure gauge on its discharge line located upstream from any check valve.

     (b) Except for a vertical turbine pump, have a:

          (1) Standard pressure gauge on its suction line if the pump is in suction head; or

          (2) A compound pressure gauge on its suction line if the pump is in suction lift.

     2. Each pumping station must have a device for measuring the rate of flow of discharge and the total flow.

     3. A meter or flow sensor must have straight pipes installed both upstream and downstream. The length of the pipes must:

     (a) Comply with the specifications of the manufacturer of the meter or flow sensor; or

     (b) In the absence of those specifications, be at least five times the diameter of the pipes.

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