1. (1) Valves.

   1. (a) Valves shall be provided to allow satisfactory operation and maintenance of a pump facility.

   2. (b) Each pump shall have an isolation valve:

      1. (i) on the intake side of the pump; and
      2. (ii) on the discharge side of the pump.

   3. (c) An air release valve shall:

      1. (i) be provided where needed to allow the release of accumulated air in pump facility piping; and
      2. (ii) meet the requirements of Subsection R309-550-6(6).
   4. (d) If used, a foot valve shall be sized according to the manufacturer's recommendation.

2. (2) Piping. Piping for a pump shall:

   1. (a) have watertight joints; and
   2. (b) be protected against surge or water hammer

3. (3) Controls. Controls for a pump shall:

   1. (a) be protected from flooding;
   2. (b) allow a pump motor to operate at rated capacity without overloading;
   3. (c) have proper overload protection for the air temperature encountered;
   4. (d) provide for alternate operation of pumps where two or more pumps are installed;
   5. (e) prevent the pump motor from starting during pump backspin;
   6. (f) set start and cutoff pressures to prevent continuous on-off cycling;
   7. (g) follow manufacturer's requirements for automatic cutoff pressure; and
   8. (h) prevent surge pressures from activating controls that turn on pumps or other equipment outside the normal design cycle of operation.

4. (4) Water Pre-Lubrication of Pump Bearings. If water is used for automatic pre-lubrication of pump bearings, and an auxiliary direct-drive power supply is provided:

   1. (a) the pre-lubrication line shall have a valved bypass around the automatic control so that the bearings can be lubricated manually before the pump is started; or
   2. (b) the pre-lubrication controls shall be wired to the auxiliary power supply.

5. (5) Pressure Measurement. A pump or group of pumps operating together shall have a means of measuring pressure:

   1. (a) on the discharge line; and
   2. (b) on the intake line capable of indicating positive and negative pressure.

6. (6) Standby Power Supply.

   1. (a) A community water system that relies solely on a pump facility to supply water to a service area shall be provided with standby power, power using a permanent or portable generator or electrical service from two independent substations.

   2. (b) If a fuel-operated generator provides standby power:

      1. (i) the water supply shall be protected from contamination from the fuel supply and fuel line; and
      2. (ii) a carbon monoxide detector shall be installed if the generator is located indoors.

KEY: drinking water, pumps, hydropneumatic systems, individual home booster pumps

Date of Last Change: June 26, 2024

Notice of Continuation: February 10, 2025

Authorizing, and Implemented or Interpreted Law: 19-4-104