I say yes to below. 8.5.5.3.1 Sprinklers shall be installed under fixed obstructions over 4 ft (1.2 m) wide such as ducts, decks, open grate flooring, cutting tables, and overhead doors.
No to the CC, as the space is not combustible. R/ Matt Matthew J. Willis, CET Automatic Fire Sprinklers Norred Fire Systems L.L.C. 318-387-1134 Voice 318-816-1087 Mobile 318-387-1163 Facsimile [email protected] > >-----Original Message----- > >From: [email protected] [mailto:sprinklerforum- > >[email protected]] On Behalf Of A.P.Silva > >Sent: Thursday, November 11, 2010 12:29 PM > >To: [email protected] > >Subject: RE: Paint spray booth > > > >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) > > > >No virus found in this incoming message. > >Checked by AVG - www.avg.com > >Version: 9.0.869 / Virus Database: 271.1.1/3246 - Release Date: 11/11/10 > >01:34:00 _______________________________________________ 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)
