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)
