The "Hydraulic Design Block" in my program defaults to the term "Design
Area __"(A,B,C,etc.) or whatever you wish to name it.I had always called
it "Remote Area __" not thinking this could create confusion on the part
of the plan reviewer.Old dog...New trick?Maybe it is time!
On Tue, Feb 22, 2011 at 10:20 AM, Chris Cahill wrote:
I'll try but it's a lot more letters when on my phone, lol.
-----Original Message-----
From: Ron Greenman <[email protected]>
Sender: [email protected]
Date: Tue, 22 Feb 2011 06:58:34 To: <[email protected]>
Reply-To: [email protected]
Subject: Re: As = L x S
Shall we all make a pact right here and follow Duane and quit using
the term "remote area" and instead shift to "most hydraulically
demanding area(s)" or just "most demanding area(s)?" The term remote
confuses new techs as well as many seasoned ones (techs in this sense
also includes engineers that are equally confused) and is a
mythological memory of a distant past when most sprinklered buildings
were warehouses and factories, primarily large (not to be confused
with "Big") boxes, where the terms most demanding and remote were
typically synonymous. One obvious area out in the south forty is
rarely the case any longer. Let's toss the "term" remote along with
the some of the more idiotic explanations I've heard here for the 52K
ft^2 limitation, the FD lost looking for the FDC (that they really
use) reasons for a WMG, etc. As B & J used to say, "Thank you for your
support."
On Tue, Feb 22, 2011 at 5:40 AM, <[email protected]> wrote:
If you are referring to the area of coverage of the individual
sprinkler you should use the actual area the sprinkler is covering
not the maximum allowable. If you have sprinklers spaced where they
cover only 90 square feet due to obstructions or other construction
issues, use that value regardless whether or not your maximum
allowable spacing may have been 130 square feet.
You are only calculating the sprinklers in the hydraulically remote
area unless you are calculating a deluge system.
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
[email protected]
Sent: Tuesday, February 22, 2011 1:36 AM
To: [email protected]
Subject: As = L x S
Hi
I understand that I need to use the maximum AS (sprinkler coverage)
to run
the hydraulic calculations. Is This AS should be taken from only the
sprinklers in the remote area, or should be for the entire system???
Regards
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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
They are happy men whose natures sort with their vocations. -Francis
Bacon, essayist, philosopher, and statesman (1561-1626)
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