Steve,

I think you are "cross-threading" here.  There are 2 different questions
going on this morning on the forum.  But you do make some very good points!

Cliff Whitfield, SET
Fire Design, Inc

.-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Steve Leyton
Sent: Tuesday, May 20, 2008 10:21 AM
To: [email protected]
Subject: RE: Area of Reduction 11.2.3

Not necessarily - remember his question is predicated by the application
of the DOD standards, not NFPA 13.   The UFC's supersede those listings
in many cases and I would check with the AHJ in any case; we have had
the concealed space sprinklers shot down by NAVFAC in the past.
Unfortunately, a lot of it comes down to which branch you're working
with and in which region.

Bill's suggestion regarding the room application (I think you meant
largest, not smallest?) is also not generally accepted and isn't
mentioned in the UFC's that I'm aware of.   And don't forget to
arbitrarily double your hose stream allowance ...

Steve Leyton
Protection Design & Consulting


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ray Vance
Sent: Tuesday, May 20, 2008 6:40 AM
To: [email protected]
Subject: RE: Area of Reduction 11.2.3

Bobby,

If the area in the floor/ceiling space is a "horizontal combustible
conceled space" 36" of less in height (and I presume they are),
you must use a LISTED sprinkler for this space and abide by all
requirements of the sprinkler's listings, including appropriate
compartmentalization.

If the area is more than 36" in height then you can utilize the area
reduction allowances as long as you meet all of the conditions per
NFPA-13, as previously indicated by Matthew. 

Ray Vance
Chief Engineering Tech.
Wayne Automatic Fire Sprinklers, Inc.
www.waynefire.com


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Matthew
J. Willis
Sent: Tuesday, May 20, 2008 9:16 AM
To: [email protected]
Subject: RE: Area of Reduction 11.2.3

Yes as far as I see. As long as all conditions are met, there are no
other restrictions mentioned.

R/

Matt

Matthew J. Willis
Living Water Fire Protection, LLC.
1160 McKenzie Rd.
PO Box 877
Cantonment, FL. 32533
850-937-1850 Voice
850-937-1852 Facsimile
[EMAIL PROTECTED]
 

----- >-----Original Message-----
----- >From: [EMAIL PROTECTED]
----- >[mailto:[EMAIL PROTECTED] On
----- >Behalf Of Bobby Gillett
----- >Sent: Tuesday, May 20, 2008 8:02 AM
----- >To: [email protected]
----- >Subject: Area of Reduction 11.2.3
----- >
----- >We have a 4 story building with mercantile on the 1st
----- >floor and residential living on the top 3 floors (Light
----- >Hazard). This is wood construction and we have to put
----- >sprinklers in between the ceiling and floor space. Can
----- >the area of reduction be taken in the remote area for
----- >the sprinklers between floors?
----- >
----- >
----- >
----- >Bobby Gillett
----- >
----- >Project Manager
----- >
----- >[EMAIL PROTECTED]
----- >
----- >(731)-424-0130
----- >
----- >   
----- >
----- >
----- >
----- >
----- >
----- >
----- >
----- >

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