Here in Suffolk County New York we're required to adjust to a "historical low". I've seen the water company drop the static as much as 25-30 psi... I just finished a 10,000 sq.ft. gym with a 4"x3"x2" grid system feed from a 6" supply due to the historical low... water company dropped my supply numbers to 40/19 psi at 1975 gpm with 8.0 k heads for light hazard. Those number are not sweet!! lol
I think we also have a couple of small water districts in Nassau county that do the same... Steven MacKinnon Fire Protection Division Hartcorn Plumbing and Heating, Inc. 850 South Second Street Ronkonkoma, NY 11779 Office 631-580-2300 Fax - 631-580-1090 -----Original Message----- From: Sprinklerforum [mailto:[email protected]] On Behalf Of Steve Leyton Sent: Friday, June 20, 2014 2:55 PM To: [email protected] Subject: RE: to Pitot or not to Pitot? It may well be a requirement, but back to my rhetorical question: who's actually doing it? SL -----Original Message----- From: Sprinklerforum [mailto:[email protected]] On Behalf Of Mark A. Sornsin, P.E. Sent: Friday, June 20, 2014 11:39 AM To: [email protected] Subject: RE: to Pitot or not to Pitot? Oh, and BTW, taking those seasonal/local/whatever fluctuations into account IS noted in NFPA 13 - so one could argue correctly that it is a requirement of "code" (assuming your code references NFPA 13). Mark A. Sornsin, P.E. | Karges-Faulconbridge, Inc. | Fire Protection Engineer | Fargo, ND | direct: 701.552.9905 | mobile: 701.371.5759 | http://www.kfiengineers.com -----Original Message----- From: Sprinklerforum [mailto:[email protected]] On Behalf Of Steve Leyton Sent: Friday, June 20, 2014 12:57 PM To: [email protected] Subject: RE: to Pitot or not to Pitot? How many people, when requesting or performing a flow test or flow model, specify that the values be measured at peak seasonal and peak day demands? How much fluctuation does a given water system or zone experience in a day/week/month/year? How many of us review those fluctuations and factor them into a flow test once it's taken? ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please visit http://www.symanteccloud.com ______________________________________________________________________ _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler .org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
