But if quoted correctly the 7.10.1.1.3 sentence is refering to the
flows in the additional standpipes without including the previously
mentioned "most remote standpipe" and therefore the unqualified
"total" (Is "The Total" in the definitions section?) as written
refers to the total for the additional standpipes. This
interpretation may not be what was intended, but it is how it reads.
If total is meant to be "system total" then the 14 standard needs to
be cleaned up a bit in this section. I don't have the standard in
front of me but I think it also states the "not to exceed" clause
before it goes on in a subsequent section to say addtional standpipes
are to flow 500 gpm instead of 250 gpm for large floor areas. That
might mean the "not to exceed" applies to only the totals for 250 gpm
standpipes.
Allan Seidel
St. Louis, MO
On Apr 6, 2007, at 2:20 PM, Roland Huggins wrote:
It's not saying total additional flows but THE total not to exceed
Roland
On Apr 6, 2007, at 10:18 AM, Travis Mack wrote:
1000 gpm total for ALL standpipes.
That is my understanding of it.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: Friday, April 06, 2007 10:15 AM
To: [email protected]
Subject: Standpie Calc
Below is a direct quote from NFPA 14 2007 edition.
7.10.1.1.1 For Class I and Class III systems, the minimum flow
rate for the
hydraulically most remote standpipe shall be 500gpm, and the
calculation
procedure shall be inaccordance with 7.10.1.2
7.10.1.1.3 The minimum flow rate for additional standpipes shall
be 250 gpm
per standpipe, with the total not to exceed 1250gpm or 1000 gpm for
buildings sprinklered throughout
My question is for a sprinklered building what is the total
standpipe system
flow rate 1000gpm or 1500gpm? The "total" referred to in
7.10.1.1.3 can be
interrupted as referring to only the additional standpipes. So
you would
have 1000gpm in additional standpipes and 500 for the most remote?
Thoughts???
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