I like that take also. Do you need "early" warning from waterflow with an alarm system present? Presumably that's what the smokes are for. I wonder what the 72 committee had in mind?
On Wed, Jul 15, 2009 at 8:53 AM, Chris Cahill<[email protected]> wrote: > Right or wrong I always reconciled 13 vs. 72 like this. The flow switch > must activate within the parameters of 13. 5 minutes. Once the paddle > moves and the electrical connection is made 72 takes over and the FA must > respond within the parameters of 72. 90 seconds. So in theory 6.5 minutes > could pass between opening the inspectors test valve and the alarm signal > engaging in the FAP. > > Chris Cahill, P.E. > Fire Protection Engineer > Sentry Fire Protection, Inc. > > 763-658-4483 > 763-658-4921 fax > > Email: [email protected] > > Mail: P.O. Box 69 > Waverly, MN 55390 > > Location: 4439 Hwy 12 SW > Waverly, MN 55390 > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Jim Johnston > Sent: Wednesday, July 15, 2009 10:14 AM > To: [email protected] > Subject: RE: water flow timing > > NFPA 72 5.11.2 says within 90 seconds. > > Jim Johnston, P.E. > Fire Protection Engineer > Inland Fire Protection, Inc > 1100 Ahtanum Road > Yakima, WA 98903 > Phone 509-248-4471 > Fax 509-248-1180 > [email protected] > > > -----Original Message----- > From: Geoff Dyce [mailto:[email protected]] > Sent: Wednesday, July 15, 2009 7:55 AM > To: [email protected] > Subject: water flow timing > > We are having a discussion regarding time required for water flow > notification. One party says on a wet system, there is no particular time > requirement. Another party says there is a time limitation. What say you > all??? > > Thanks in advance. > > > > Geoffrey H. Dyce > > Operations Manager/NICET IV > > DELTA Fire Sprinklers, Inc. > > A Vetran Owned Small Business > > Ph: 407-328-3000 ext 143 > > Fx: 407-575-9991 > > E-Mail: [email protected] > > > > > > _______________________________________________ > Sprinklerforum mailing list > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > > _______________________________________________ > Sprinklerforum mailing list > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > > _______________________________________________ > Sprinklerforum mailing list > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > -- Ron Greenman Instructor Fire Protection Engineering Bates Technical College Tacoma, WA Member: SFPE, ASCET, NFPA, AFSA, NFSA AFAA _______________________________________________ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
