And see (2002) 8.6.3.4.3 for permission to space less than 6ft.

What more does he need to know?  Has he never read the Standard?

Craig L. Prahl, CET   
Fire Protection 
CH2MHILL
Lockwood Greene
1500 International Drive
Spartanburg, SCĀ  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 Ed.Tambini
Sent: Tuesday, March 29, 2011 3:21 PM
To: '[email protected]'
Subject: RE: In-rack sprinkler maximum and minimum spacing...

If you can use the 2007 edition use 8.13.4.1 for spacing less than 6 feet. 
Maximum spacing is based on the tables and figures for commodity types and 
heights



-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Sean Lockyer
Sent: Tuesday, March 29, 2011 12:14 PM
To: [email protected]
Subject: In-rack sprinkler maximum and minimum spacing...

I have a fire marshal wanting me to show him where in NFPA 13 it dictates
the minimum and maximum spacing of in-rack sprinklers. This is a good
question, for the life of me I have never found it in black and white. I
know that there are several references to 8'-0" maximum spacing per
sprinkler for storage up to 25'-0" but we are only storing up to 20'-0".

I have always been under the impression that you space a sprinkler in each
in-rack flue space, usually on the center point of the rack or at the rack
upright. Normally the racks are spaced around 8'-0" O.C. but there is one
here that is 4'-0" O.C. We are using intermediate level in-rack sprinklers
with the overhead system being ELO sprinklers-no ESFR, Large Drop, etc...

We are using NFPA 13, 2002 Edition here in Florida. What says the community
?

-- 
Sean Lockyer
Project Designer
Delta Fire Sprinklers
(407) 328-3000, ext 139
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