Absolutely,  a real time flow test done as close as possible the proposed 
system is the best method and will give the engineer and AHJ the best and 
latest info. I was conducting a test recently, where the residual pressure went 
UP while flowing > 1890gpm.  

I called the local water company and spoke to a system engineer who informed me 
of two systems that will raise the water pressure automatically. 

The first is a pressure reducing valve system that will increases water main 
pressure to the maximum available. 

If the water pressure continues to drop, then a pressure transducer sends a 
signal back to the pump station which activates another pump, again rising the 
supplied pressure. 

FRANK J. HERRICK
City Of Leawood Fire Department  
Office of the Fire Marshal
14801 Mission Road
Leawood, Ks. 66224-9560
Office:        913.681.6788 x 26 
Fax:            913.681.2399
Fire Sprinklers Save Lives, Property, the Environment, and Water - Protect what 
you value most!

    

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Subject: Sprinklerforum Digest, Vol 17, Issue 11

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