52,000 sqft is the restriction for any light or ordinary system per level. You did say system, not head, correct?
On Thu, Jun 14, 2012 at 8:13 AM, Bob <[email protected]> wrote: > Todd, > Simply depends on the construction. Wood 3' or <, 130 sf; wood > 3', 168 > sf; just about everything else, 225 sf. You can even use EC's. There is > also the combustible concealed space rule. These can be used up to 144 sf. > > Bob Knight, CET III > 208-318-3057 > www.firebyknight.com > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Todd > Williams > Sent: Thursday, June 14, 2012 9:05 AM > To: [email protected] > Subject: Drop out ceiling tile area > > Is there a restriction on the square footage that can be protected by a > system above a drop-out ceiling? A fire marshal was telling me that there > is > a restriction in NFPA 13, but I've never heard of it and can't find it. > Thoughts? > > Todd G. Williams, PE > Fire Protection Design/Consulting > Stonington, CT > 860.535.2080 > www.fpdc.com > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2012.0.2180 / Virus Database: 2433/5069 - Release Date: 06/14/12 > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > -- 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) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20120614/ba1a0509/attachment.html> _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
