Even though the Fire Marshal may be wrong in this case,it may be easier
to appease him and add the uprights,maybe make a few points with him/her
to use somewhere down the line.Unless you just really want to fight
it.Just my opinion.
Lamar Vaughn,SET
On Wed, Jun 1, 2011 at 4:26 PM, GAYLE KNOWLES 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
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