Thats why I always put a calibrated gauge on the hydrant and a tapped swivel and calibrated gauge on the FDC.
We usually get spare pumps or out of service pieces for our tests, never trust the pump gauges. From: Sprinklerforum [mailto:[email protected]] On Behalf Of Mark Phillips Sent: Monday, September 12, 2016 3:29 PM To: [email protected] Subject: RE: Fire Truck Supply @ FDC Also include the friction lose in hose from hydrant to truck / truck to FDC Mark From: Sprinklerforum [mailto:[email protected]] On Behalf Of Matt Grise Sent: Monday, September 12, 2016 3:26 PM To: [email protected] <mailto:[email protected]> Subject: RE: Fire Truck Supply @ FDC NFPA 14 will dictate your GPM. The hose size and truck performance are all info items to get from the FD. In the past, I have specified that we need 150psi at the FDC inlet that takes some of the guesswork out if it for us (since they could come with different hose lengths/sizes). I have not met much pushback from FDs with that approach but it would not hurt to check before test day. But as previously suggested we use 150@0; 149@ required flow Matt Grisé PE*, LEED AP, NICET II Sales Engineer Alliance Fire Protection 130 w 9th Ave. North Kansas City, MO 64116 *Licensed in KS & MO 913.888.0647 ph 913.888.0618 f 913.526.7443 cell www. AFPsprink.com From: Sprinklerforum [mailto:[email protected]] On Behalf Of Brian Harris Sent: Monday, September 12, 2016 2:21 PM To: [email protected] <mailto:[email protected]> Subject: Fire Truck Supply @ FDC Is there a standard GPM @ PSI used for a standpipe calc with regard to what the fire truck will provide? I called the local AHJ and all he would say is they provide 150psi, didnt know the gpm or even the hose size for that matter. Any help would be greatly appreciated. Brian Harris, CET BVS Systems Inc. Design Manager bvssystemsinc.com <http://bvssystemsinc.com/> Phone: 704.896.9989 Fax: 704.896.1935
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