Chris,
Don't be so quick to jump to that conclusion. Another case of it says this
or it doesn't say that so I can do it. I think you should be very careful
here. Dig a little deeper and get to the logical intent, and not just what
it says or doesn't say in black and white.
This is an area separate from the dwelling areas, and is likely to be
crammed full of who knows what. In addition, there is no mention of wall or
ceiling contruction (which could affect one's direction on this issue).
I agree with Greg that this is not likely what the NFPA standard committee
intends for this exception.
In reading the commentary in the Automatic Sprinkler Systems Handbook on
this issue, I believe there is merit to the fact that the standards
committee intended small rooms to mean small light hazard/low fuel load
rooms. This would not seem to be low fuel loading, and is not, in my
opinion, is an ordinary hazard area rather than light hazard. And because
it's storage, and you don't know what could go in there, OH1 ain't good
enough, it needs to be OH2.
Just my opinion
Jeff Hewitt, PE, SET, SFPE (Professional Member)
Corporate Engineer
Bi-State Fire Protection Corporation
241 Hughes Lane
St. Charles, MO 63301
636-946-0011
636-946-5172 (FAX)
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----- Original Message -----
From: "Chris Mak" <[EMAIL PROTECTED]>
To: "sprinklerforum" <[email protected]>
Sent: Friday, February 22, 2008 4:40 PM
Subject: Re: Gaggle of closets
Could you foresee a fire senario where the 47 extra heads would operate. I
think that this is exactly what the exception is for.
Regards
----- Original Message -----
From: "Paul Pinigis" [EMAIL PROTECTED]
Sent: 22/02/2008 05:30 PM EST
To: <[email protected]>
Subject: RE: Gaggle of closets
Don't you just love it when the letter of the code works in your favor.
I really don't think that this is what the NFPA 13 committee had in mind
when they developed that section.
Paul J. Pinigis, P.E.
Chief Life Safety Engineer
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Todd
Williams - FPDC
Sent: Friday, February 22, 2008 5:05 PM
To: [email protected]
Subject: Gaggle of closets
I am looking an apartment building which is to be designed according
to NFPA 13. On the first level, there is a room which contains 55 -
3'x5' tenant storage closets (mostly filled with shelves). These
would need to be sprinklered, which is fine, but the issue comes in
the hydraulics. Section 14.4.4.4.2 states that closets with a single
sprinkler may be omitted from the calculation. There could be up to
47 closets in the remote area. I have used this exception numerous
times, but never in this quantity. The standard says nothing to the
contrary, so I could eliminate 47 sprinklers in the remote area
because they are in closets? Is there something I am overlooking?
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
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