A how to, not a when, but: NFPA 68: Standard on Explosion Protection by Deflagration Venting.
On Thu, Sep 19, 2013 at 11:54 AM, Steve Leyton <[email protected]>wrote: > Thanks Galen - this exactly the same info I arrived at through my own > process this morning. It's a DSA project where and existing dust > collection system was moved from an old non sprinklered wood shop building > into an interim housing environment. It originally had a couple sprinklers > in it, piped from domestic water as the shell building was not protected. > Now they want to move this same system back into the new permanent > disability, which is fully sprinklered. My advice to them is simply to > move it without protection and let someone tell us that sprinklers are > required and cite the appropriate code sections that mandates it. DSA > doen't have and IR for this, so its all purely subjective it seems. > > Steve > > "Taylor, Galen" <[email protected]> wrote: > > Steve, > > Section 506.6 of the Mechanical Code requires sprinklers inside ducts > exceeding 10-inches that convey flammable vapors or fumes, but I cannot > find a similar mandate for ducts conveying sawdust in either NFPA 664, CBC > or CFC. > > Interestingly, NFPA 664 speaks about duct sprinklers free of debris "where > provided", but there is no mandate to actually provide duct protection. I > used to work for a large aerospace firm and I don't recall any of the > ducts having sprinklers, except those that conveyed flammable vapors. > > Galen Taylor > County of Los Angeles Fire Department > Fire Prevention Engineering > 323-890-4339 > [email protected] > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Steve > Leyton > Sent: Thursday, September 19, 2013 9:33 AM > To: [email protected] > Subject: Dust collection - where/when are sprinklers required > > I have looked through the California editions of International Fire Code > and Building Code and cannot find any prescriptives for sprinklers in > dust collection systems in woodworking facilities. Does anyone know > where the triggers are published, if anywhere? Is it in NFPA 664? > > > > Steve Leyton > > PROTECTION DESIGN & CONSULTING > > 2851 Camino del Rio South, Suite 400 > > San Diego, CA 92108 > > ------------------------------------------------------------- > > Ph: 858.751.2930 - ext. 102 > > Fax: 858.751.2933 > > Cell: 619.972.5696 > > > > > > > > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.o > rg > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.o > rg > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > -- 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: ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
