Nevada Administrative Code (Last Updated: January 6, 2015) |
Chapter445A Water Controls |
PUBLIC WATER SYSTEMS |
Design, Construction, Operation and Maintenance |
NAC445A.67005. Pumping facilities: Priming.
Latest version.
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1. Priming must be conducted in such a manner that:
(a) The water used for priming is of no less a sanitary quality than that of the water being pumped.
(b) There is a means to prevent backflow.
(c) In installations where a centrifugal pump is used and air binding or the accumulation of air is a problem, there is a means to remove the air from the eye of the impeller.
(d) Where vent lines discharge to a drain, the vent lines are designed with an air gap.
2. This section does not prohibit the use of self-priming pumps.
(Added to NAC by Bd. of Health, eff. 2-20-97)