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)
