How would that be different in the same daycare center with central heating? It would have to be a very large daycare to comprise more than one fire zone I think.
On Mon, Aug 5, 2013 at 6:15 PM, AKS-Gmail-IMAP <[email protected]> wrote: > This GC may also be getting a tit near a wringer on some other things > regarding space separation above the ceiling and having a common return > plenum where smoke can travel from one space to the next, especially in a > day care center that may be subject to state inspection by someone looking > out for more than the average wood residential construction rules. > > Allan Seidel > St. Louis, MO > > On Aug 5, 2013, at 10:24 AM, "Johnson, Duane (NIH/OD/ORS) [C]" < > [email protected]> wrote: > > > Plenums are covered in NFPA 90A section 4-3.11 (2012). Sprinklers are > not required, but everything in the space must be noncombustible, including > any electrical wiring, cables, and sprinkler pipe serving other areas... > > > > For sprinklers: > > 4.3.11.2.6.3 Nonmetallic fire sprinkler piping shall be listed as > having a maximum peak optical density of 0.5 or less, an average optical > density of 0.15 or less, and a maximum flame spread distance of 1.5 m (5 > ft) or less when tested in accordance with ANSI/UL 1887, Standard for > Safety Fire Test of Plastic Sprinkler Pipe for Visible Flame and Smoke > Characteristics. > > > > Duane Johnson, PE > > Program Manager > > Division of the Fire Marshal (Contractor) > > Office of Research Services > > National Institutes of Health > > 301-496-0487 > > > > "Protecting Science - One Sprinkler at a Time" > > > > > > -----Original Message----- > > From: Brian Harris [mailto:[email protected]] > > Sent: Monday, August 05, 2013 11:00 AM > > To: [email protected] > > Subject: RE: Special Situations (8.15) > > > > 10-4, I'll suggest the plenum be enclosed with type "x" in order to > apply 8:15. For my own future reference is standard drywall considered > limited combustible in any case? > > > > Brian Harris, CET > > BVS Systems Inc. > > bvssytemsinc.com > > > > > > -----Original Message----- > > From: [email protected] [mailto: > [email protected]] On Behalf Of Ron Greenman > > Sent: Monday, August 05, 2013 10:54 AM > > To: [email protected] > > Subject: Re: Special Situations (8.15) > > > > Type X > > > > > > On Mon, Aug 5, 2013 at 7:41 AM, Brian Harris <[email protected] > >wrote: > > > >> I guess the big question then is standard 5/8" GWB considered limited > >> or non-combustible. If memory serves me correct I believe it has a > >> 1hour fire rating? > >> > >> Brian Harris, CET > >> BVS Systems Inc. > >> bvssytemsinc.com > >> > >> -----Original Message----- > >> From: [email protected] [mailto: > >> [email protected]] On Behalf Of Reed A. > >> Roisum, C.E.T. > >> Sent: Monday, August 05, 2013 10:38 AM > >> To: [email protected] > >> Subject: RE: Special Situations (8.15) > >> > >> Correct. If indeed the plenum created is a noncombustible concealed > space. > >> > >> Reed A. Roisum, C.E.T. | Karges-Faulconbridge, Inc. | Fire Protection > >> Designer | Fargo, ND | direct: 701.552.9903 | mobile: 701.388.1352 | > >> http://www.kfiengineers.com > >> > >> -----Original Message----- > >> From: [email protected] [mailto: > >> [email protected]] On Behalf Of Brian > >> Harris > >> Sent: Monday, August 05, 2013 9:27 AM > >> To: [email protected] > >> Subject: Special Situations (8.15) > >> > >> All- > >> I recently finished a design for a wood structure day care facility, > >> (1) level of attic heads and (1) level of ceiling heads. The GC has > >> now decided in an effort to save money on the HVAC to attach drywall > >> to the bottom of the wood joist and use the area between this drywall > >> and the suspended ceiling as a return air plenum. If I'm reading > >> 8.1.1.2.1 & 8.15.1.2.2 correctly I do not need to add a 3rd level of > protection in this "plenum" > >> area correct? > >> > >> Brian Harris, CET > >> BVS Systems Inc. > >> Sprinkler Division > >> bvssystemsinc.com<http://bvssystemsinc.com/> > >> Phone: 704.896.9989 > >> Fax: 704.896.1935 > >> > >> _______________________________________________ > >> Sprinklerforum mailing list > >> [email protected] > >> > >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl > >> er.org > >> > >> ______________________________________________________________________ > >> This email has been scanned by the Symantec Email Security.cloud > service. > >> For more information please visit > >> http://www.symanteccloud.com__________________________________________ > >> ____________________________ > >> _______________________________________________ > >> Sprinklerforum mailing list > >> [email protected] > >> > >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl > >> er.org _______________________________________________ > >> Sprinklerforum mailing list > >> [email protected] > >> > >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl > >> er.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 > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > _______________________________________________ > 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
