Tom and others: I REALLY shouldn't have taken this long to find this, but I'm putting together new slides for various upcoming presentations on NFPA 14 and came across this annex material that I had completely forgotten about and overlooked last week: "A5.4 The committee's intent is to permit the omission of a fire pump as part of the standpipe system in non-high-rise buildings when the automatic sprinkler system can be designed and installed with the available water supply and the flow and pressure demands of the standpipe system can be provided by the fire department apparatus through the fire department connection." Obviously this isn't a strict example of the situation you described, but it underscores what we talked about back in 2003 cycle, and I believe it further explains the committee's intent regarding combination manual standpipes and automatic sprinklers. As does 5.4.1.3 regarding the use of existing standpipes to supply retrofit fire sprinkler systems. The bottom line is that the automatic water supply doesn't have to be sized for the standpipe system if it meets the provisions for a manual/wet and satisfies the sprinklers, whether or not that water supply is a pump or waterworks connection. Steve Leyton PROTECTION DESIGN & CONSULTING The foregoing is my opinion only and is not intended to represent the Technical Committee on Standpipe Systems, nor serve as an interpretation of NFPA 14. _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum
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