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Fire Protection Engineers Assist Fire Protection Research Foundation with Sprinkler Study

February 16, 2011


When mandates for sprinkler requirements in one- and two-family dwellings are discussed at a local or state level, two common issues arise with respect to water supply: total water usage during sprinkler actuation at a fire scene in comparison with water usage by the fire service and conventional water meter performance during sprinkler system operation. Exponent, working with the Fire Protection Research Foundation, a part of the National Fire Protection Association (NFPA), compiled data from jurisdictions around the country estimating water usage at a fire scene and performed fire flow calculations for a variety of single family home fire sprinkler systems. These data will help inform the water usage issue. The second part of the program studied the performance of conventional residential water meters in fire sprinkler flow scenarios to explore their capacity, friction loss characteristics, metering accuracy, and overall performance.  More information on the results of the NFPA study can be found on their website.