We have a discussion in our office on the correct way to calculate a manual wet standpipe. Our local fire department pumper trucks are set for 150PSI @ 1500 GPM and contain a 1500 gallon tank For calculating a manual wet standpipe back to the fire department connection, should we only use the rated capacity of the pumper truck or are we allowed to add in the city water pressure/flow available at the hydrant at which they hook up to? IE: Either treat it as a stand alone fire pump off a tank or as a standard fire pump w/ city water supply added in. Thanks, Dewayne _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum
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