Brian,
I believe it should be read to mean that the most/furthest away you have to
be is a maximum of 36-in. The 36-in. is the maximum limit. Without this
provision, you would instead need to be 4 times away or 96-in.
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: "Brian Harris" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Monday, July 14, 2008 1:36 PM
Subject: Sprinkler Pattern Obstructions
Forum,
I know I must be reading this wrong but as usual I am in a hurry and could
use some help. NFPA-13 (2007) 8.8.5.2.1.3 states that the sprinkler shall
be
positioned a minimum of 4 times the maximum dimension of the obstruction,
but then it goes on to say a maximum of 36" clear space. In my case I have
a
24" column I'm trying to avoid which by the 4 times rule would get me 8'
away, how does the max. 36" clear come into play? Also look at Figure
8.8.5.2.1.3, I'm so confused ........
Regards,
<http://www.firstdefensefire.com/>
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