Understanding how often a fire pump should be tested in accordance with NFPA 25, Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, can be tricky, says Matt Klaus, principal fire protection engineer at NFPA. Though the annual flow test ensures that a pump performs as intended when it was designed, a single test each year does not provide a high level of reliability. You must also conduct no-flow tests throughout the year.
However, the frequency for no-flow tests has changed in each of the last three editions of the standard, so depending on which edition your jurisdiction adopts, the frequencies for conducting these tests may vary. To find out when you need to test your fire pumps, read Matt's column "What's the Frequency?" in the September/October issue of NFPA Journal.
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