Utah Admin. Code R309-540-7 - Pump Appurtenances

(1) Valves.

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

(b) Each pump shall have an isolation valve:

(i) on the intake side of the pump; and

(ii) on the discharge side of the pump.

(c) An air release valve shall:

(i) be provided where needed to allow the release of accumulated air in pump facility piping; and

(ii) meet the requirements of Subsection R309-550-6(6).

(d) If used, a foot valve shall be sized according to the manufacturer's recommendation.

(2) Piping. Piping for a pump shall:

(a) have watertight joints; and

(b) be protected against surge or water hammer

(3) Controls. Controls for a pump shall:

(a) be protected from flooding;

(b) allow a pump motor to operate at rated capacity without overloading;

(c) have proper overload protection for the air temperature encountered;

(d) provide for alternate operation of pumps where two or more pumps are installed;

(e) prevent the pump motor from starting during pump backspin;

(f) set start and cutoff pressures to prevent continuous on-off cycling;

(g) follow manufacturer's requirements for automatic cutoff pressure; and

(h) prevent surge pressures from activating controls that turn on pumps or other equipment outside the normal design cycle of operation.

(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:

(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

(b) the pre-lubrication controls shall be wired to the auxiliary power supply.

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

(a) on the discharge line; and

(b) on the intake line capable of indicating positive and negative pressure.

(6) Standby Power Supply.

(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.

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

(i) the water supply shall be protected from contamination from the fuel supply and fuel line; and

(ii) a carbon monoxide detector shall be installed if the generator is located indoors.

Notes

Utah Admin. Code R309-540-7

Adopted by Utah State Bulletin Number 2024-13, effective 6/26/2024