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Jack’s Code Corner: NFPA 25 – 2017 Change in Evaluation of Fire Pump Test Results

Jack Coffelt
October 30, 2023

In the 2017 edition of NFPA 25, Chapter 8 (Fire Pumps), there was a significant change from the previous editions of the evaluation of Fire Pump Test Results.

In the 2014 and previous editions, the Pump Evaluation (pass/fail) was determined at the 100% flow rate with a degradation of no more than 95 percent. In the 2017 through current editions, the Evaluation criteria (pass/fail) now require review at EACH required flow point.

Evaluations of: Churn, Rated and Overload, shall be evaluated for no less than 95 percent of flow rates and pressure at each point for either Original unadjusted field test curve, or the Fire pump nameplate. See section of the 2017 NFPA 25, with more explanatory material in the 2017 NFPA 25 Handbook.

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