This is a music room. Are these for acoustic reasons? What is directly above them? Just open ceiling or a resonating chamber?
Sent from my iPhone On Jun 1, 2011, at 4:51 PM, Ron Greenman <[email protected]> wrote: > First thing is find out why they have the egg crates to begin with. If it's > not necessary for acoustics (music room) or lighting or some other required > purpose can they do with regular tiles? If so then the FM is happy for the > cost of 16 2x4 tiles. If they absolutely, positively have to be there and > the above construction is non-combustible then I don't think (opinion) that > thee really is an issue. > > On Wed, Jun 1, 2011 at 1:26 PM, GAYLE KNOWLES <[email protected]> wrote: > >> >> the room is a high school music room with 90 2X4 ceiling panels and only >> 16 of them are >> eggcrate panels. The 16 eggcrate 2X4 panels have a 40% opening per panel. >> We have >> pendants protecting the room but Fire Marshall thinks we need uprights. >> >> Gayle Knowles, SET >> Project Manager >> Kaufman Fire Protection Systems. Inc. >> PH:505-884-2447 >> >> >> >>> From: [email protected] >>> To: [email protected] >>> Date: Wed, 1 Jun 2011 13:58:56 -0600 >>> Subject: RE: openings in ceiling grid >>> >>> Since they are open eggcrate panels, are they using the space above for a >> return or supply plenum? >>> >>> Craig L. Prahl, CET >>> Fire Protection >>> CH2MHILL >>> Lockwood Greene >>> 1500 International Drive >>> Spartanburg, SC 29304-0491 >>> Direct - 864.599.4102 >>> Fax - 864.599.8439 >>> CH2MHILL Extension 74102 >>> [email protected] >>> >>> >>> >>> -----Original Message----- >>> From: [email protected] [mailto: >> [email protected]] On Behalf Of GAYLE KNOWLES >>> Sent: Wednesday, June 01, 2011 3:56 PM >>> To: sprinklerforum >>> Subject: openings in ceiling grid >>> >>> >>> Sorry if this has come up before....we have a music room with drop in >> ceiling 2X4 tile, but >>> a few of the tiles are an eggcrate style(40% open per tile). Fire >> Marshall would like us to direct him to the specific >>> section of NFPA 13 (2010) that allows us not to put uprights above this >> room. We can only find >>> section 8.15.1.2.1.1 explanation in handbook stating "evaluation of size >> and number of openings >>> in relation to the overall area of the ceiling is important". This may be >> a decision he as AHJ will >>> need to make. Structure above ceiling, of course, non-combustible. >>> >>> Thanks for any help to keep us from adding uprights in this room >>> >>> Gayle Knowles, SET >>> Project Manager >>> Kaufman Fire Protection Systems. Inc. >>> PH:505-884-2447 >>> >>> >>> _______________________________________________ >>> 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) >> >> _______________________________________________ >> 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: > ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, 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)
