Where are you guys finding these specific methods of "proving" the adequacy of the fire flow requirements? I don't find any language close to this in the IFC.
Mark at Aero 602 820-7894 Sent from my iPhone > On Dec 5, 2014, at 7:55 PM, "Steve Leyton" <[email protected]> wrote: > > At 4 hydrants simultaneously if they're on the same water supply, or in > combination of public and private or at however many hydrants you have if > fewer than 4 and those being the sole source of fire flow. > > As other comments, I would reiterate that the Table B fire flow is for > outside hose streams only and completely separate and apart from any > hydraulic demand related to building sprinkler systems. > > Steve L. > > > > > <div>-------- Original message --------</div><div>From: [email protected] > </div><div>Date:12/05/2014 6:29 PM (GMT-08:00) </div><div>To: > [email protected] </div><div>Subject: Re: A Poll of the > Experienced </div><div> > </div>I think I agree with you, but to be very specific, let's assume I'm > designing a new building on a greenfield site which is served by a public > water system. The building is type V construction, 600,000 square feet and > fully protected with ESFR sprinklers. Table B105.2 indicated a fire flow rate > of 8000 GPM, reduced to 4000 GPM for sprinkler credit, at minimum 20psi. My > question is, WHERE is this 4000 GPM at 20 psi measured? At the city water > main connection? Or at the fire pump discharge? > > Mark at Aero > 602 820-7894 > > Sent from my iPhone > >> On Dec 5, 2014, at 7:17 PM, "Cahill, Christopher" <[email protected]> >> wrote: >> >> Neither. It's the flow you need for a building. You might get it from a >> muni or private. Absolutely nothing to do with sprinklers except you get a >> reduction if building is sprinklered. >> >> >> Chris Cahill >> Fire Protection Engineer >> Burns & McDonnell >> 952-656-3652 >> [email protected] >> >> >> -------- Original message -------- >> From: [email protected] >> Date:12/05/2014 8:12 PM (GMT-06:00) >> To: [email protected] >> Subject: A Poll of the Experienced >> >> Over this weekend I'd like to ask the opinion of those forumites experienced >> in the reading and understanding of the "International Fire Code" on the >> topic of "Fire Flow" described in Chapter 5, and further prescribed in >> Appendix B. Is the available flow rate and residual pressure referenced, >> intended to describe these values of the municipal or private water supply >> available to the building site? Or, the minimum output of any fire pump >> associated specifically with the automatic sprinkler system in the building? >> Any takers? Questions? Clarifications? >> Thanks for any answers. >> >> Mark at Aero >> 602 820-7894 >> >> Sent from my iPhone >> >> _______________________________________________ >> 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 > _______________________________________________ > 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
