Ron,
I had the same thought George did, because the question Ralphy asked was
about "residential" sprinklers. This paragraph came to mind:
8.10.3.3 The minimum distance between sprinklers within a
compartment shall be 8 ft (2.44 m), unless the listing of the
sprinkler requires a greater distance and unless required by
8.10.7.1.5.1.
So, I have to say I'm with George on this one, the minimum spacing
between them must be at least 8'-0".
PARSLEY CONSULTING
Ken Wagoner, SET
760.745.6181 voice
760.745.0537 fax
[email protected] <mailto:[email protected]>e-mail
www.ParsleyConsulting.com <http://www.ParsleyConsulting.com>website
On 6/1/2012 10:42 AM, Ron Greenman wrote:
I don't think so if your design basis is 18x18 and the small (I'm
seeing a dog leg off the living room for the kitchen) compartment
directly communicates with the larger no matter how small the smaller
compartment is. 18x18 rules throughout. Now if it's a separate
compartment, with at least the lintel, then that rule wouldn't
necessarily apply.
On Fri, Jun 1, 2012 at 9:11 AM, George Church<[email protected]> wrote:
Ohhh, couldn't the heads be 8' from each other if 8' is the min spacing?
George L. Church, Jr., CET
Rowe Sprinkler Systems, Inc.
PO Box 407, Middleburg, PA 17842
877-324-ROWE 570-837-6335 fax
[email protected]
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Ron Greenman
Sent: Thursday, May 31, 2012 7:08 PM
To: [email protected]
Subject: Re: E/C heads: Different coverages, same area.
You can space them at anything you want up to and not less than the
maximum/minimum spacing you're calculating for. Since minimum is 1/2 S
18x18 can't exceed 18' between heads, nor more than 9' from the wall, nor be
closer than 9' feet to an adjacent head. just make sure the kitchen head is
nine feet from the adjacent living room head(s) and it's an 18x18 too.
On Thu, May 31, 2012 at 3:33 PM, Ralphy Henderson<[email protected]>
wrote:
Is it permissable to space residential heads at two different areas of
coverages in the same compartment? Case: a living room making use of 18x18
spacing while the kitchen next to it (without a lintel or anything) is spaced
at 16x16. This is a 13 system (not 13R) and when calculating I'm wondering if I
can calc them according to this method. I know the larger demand will end up
driving the calculations - just want to make sure with this...
Thanks,RB
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Ron Greenman
Instructor
Fire Protection Engineering Technology
Bates Technical College
1101 So. Yakima Ave.
Tacoma, WA 98405
[email protected]
http://www.bates.ctc.edu/fireprotection/
253.680.7346
253.576.9700 (cell)
Member:
ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC
They are happy men whose natures sort with their vocations. -Francis Bacon,
essayist, philosopher, and statesman (1561-1626)
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