When there is no code reference to a subject I agree that the AHJ's in most 
cases will defer to a recognized industry standard.  BUT, when they have a 
CODE, adopted by their jurisdiction which gives a clear direction, good luck 
swaying someone to go a different route.   We all know how it works but a local 
govt official, is in most cases going to stick to the book he's been told to 
follow.   

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 Thom
Sent: Wednesday, February 23, 2011 10:51 AM
To: [email protected]
Subject: RE: System Area Size

Actually I think this could make a difference even before (or if) adoption
by NFPA.
Remember that "AHJ" includes insurance underwriters like FM, and often a
"Local" AHJ (Fire Marshal) will defer to FM, due to their vast experience.
This could especially be the case if the TC has recommended approval of
these larger areas.

Making it into the Standards and code, isn't the only way we apply design
information. For years if NFPA didn't cover some situation but FM did,
no-one worried about whether it was "Code" or "Adopted". We simply used the
best available information.

I wouldn't be surprised to see these larger design areas before 2013.


-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of
[email protected]
Sent: Wednesday, February 23, 2011 8:36 AM
To: [email protected]
Subject: RE: System Area Size

While it's nice that FM has made these concessions, what difference does it
really make?  Until the adopted Codes and Standards accept or make any
changes, we got what we got to work with.

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]



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