And I concur with all. Yes to sprinklered and no to CC heads but not because it is non-combustible, but because it is part of the duct/plenum assembly.
On Thu, Nov 11, 2010 at 11:17 AM, <[email protected]> wrote: > The spray area needs to be sprinklered. The spray area is the booth and > the entire run of duct work (plenum). > > John Hoffman P.E. | Fire Protection Engineer | Facility Engineering > Services, KCP, LLC - Burns & McDonnell Engineering | National Nuclear > Security Administration's Kansas City Plant | Operated by Honeywell FM&T | > 2000 E. 95th St | Kansas City, MO 64131 | ph 816-997-7213 | > [email protected] > > > > From: "A.P.Silva" <[email protected]> > > To: <[email protected]> > > Date: 11/11/2010 12:28 PM > > Subject: RE: Paint spray booth > > Sent by: [email protected] > > > > > > > Thanks, my thoughts are the same, but wanted to see how the rest > interpreted > the code, as it is a bit ambiguous. > > Another question on spray booths. This is a downdraft booth. The booth > floor > will be a open mesh steel grill, with a concrete air plenum below it. The > air from the booth will exhaust into the air plenum below floor level and > up > thru' an exhaust duct. My question is will the air plenum below the floor > level, have to be sprinklered, based on a open grate flooring, over 4 feet > wide? Or not sprinklered, based on over 70% open, open-grid ceiling? > > If required to be sprinklered, and the space is less than 3 feet high, will > combustible concealed space sprinklers be required. The space is > non-combustible and the quick response CC heads are not listed for extra > hazard applications. Will that suffice to argue for using standard > sprinklers, although the spray pattern may not be optimal? > > Tony > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Ron Greenman > Sent: November 10, 2010 4:11 PM > To: [email protected] > Subject: Re: Paint spray booth > > One for all. The purpose is the same as a for a cooking line with water. To > shut down the sub-system for head changing (scheduled maintenance or > emergency maintenance) without needing to shut down and drain the entire > system. You could possibly get push back from an AHJ wanting one per hood > but I'd argue my point and then if that failed argue to avoid a separate > one > for mixing room. > > On Wed, Nov 10, 2010 at 2:54 PM, A.P.Silva <[email protected]> wrote: >> NFPA 13, 2007 section 21.4.1.5 : The sprinkler system for each spray >> area and mixing room shall be controlled by a separate, listed >> indicating valve(s), operable from the floor. >> >> I have two spray booths and a mixing booth side by side. Can one valve >> supply the three booths or are three valves required, one per booth? >> >> Tony >> >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://fireball.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 Technology > Bates Technical College > 1101 So. Yakima Ave. > Tacoma, WA 98405 > > [email protected] > > http://www.bates.ctc.edu/fireprotection/ > > 253.680.7346 > 253.576.9700 (cell) > > Member: > AFSA, SFPE, ASCET, NFPA, NFSA, AFAA, ASEE, NIBS, WSAFM, WFC > > They are happy men whose natures sort with their vocations. -Francis Bacon, > essayist, philosopher, and statesman (1561-1626) > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.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 > [email protected] > http://fireball.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 > [email protected] > http://fireball.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 Technology Bates Technical College 1101 So. Yakima Ave. Tacoma, WA 98405 [email protected] http://www.bates.ctc.edu/fireprotection/ 253.680.7346 253.576.9700 (cell) Member: AFSA, SFPE, ASCET, NFPA, NFSA, AFAA, ASEE, NIBS, WSAFM, WFC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.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)
