Which brings up another interesting question. Since UFC 3-600-01
requires a higher hose flow for all of the hazards, does the higher flow
apply to 13R systems? the increased area does not apply due to the
specific requirement of calculating 4 sprinkler heads, but how is the
higher requirement for hose stream accounted for?
Thom McMahon wrote:
We just finished a layout for NAVFAC PACDIV, for a 2 story dorm. Poured
concrete construction, full height concrete walls, floors and roof, every
24'-0" with only 30'-0" front to back.(5200 Sf per floor total)
UFC say's you can use 13R, NAVFAC say's NO. UFC say's reduced area for QR
heads, NAVFAC say's NO. So we have a two story concrete dorm with a 3000SF
design area, 250 GPM hose at the base of riser, and 6" riser and 4" mains,
for a job where if we flowed every head between the concrete walls (6) and
were overflowing 4 of them, we'd still only need a 3" underground, with 2"
mains. Your Tax $$$ at work.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Vince Sabolik
Sent: Tuesday, May 20, 2008 7:47 AM
To: [email protected]
Subject: RE: unified facilities criteria question
Ed --
I wasn't able to use small room at a USMC facility recently, in fact they
required
a base of 3.000 sf for a wet system. You are however allowed to discount
for use of QR heads applied to that 3,000 sf.
You can look this up in Table 4-1 in the Unified Facilities Criteria "Fire
Protection Engineering for Facilities"
Vince
At 09:26 AM 5/20/2008, you wrote:
In my opinion, the small room rule can be used. I believe the 225 sq ft
and 130 sq ft limits are there to restrict the use of special
sprinklers, not to limit the use of other NFPA 13 spacing rules.
Bill Brooks
William N. Brooks, P.E.
Brooks Fire Protection Engineering Inc.
372 Wilett Drive
Severna Park, MD 21146
410-544-3620 Phone
410-544-3032 FAX
412-400-6528 Cell
-------- Original Message --------
Subject: unified facilities criteria question
From: "Tambini, Ed" <[EMAIL PROTECTED]>
Date: Tue, May 13, 2008 5:24 pm
To: <[email protected]>
to all the armed forces people out there:
the UFC 3-600-01 4-2.3.6 lists sprinkler coverage areas to be in
accordance with NFPA 13 except that they must not exceed 225 sq ft for
light hazard areas and 130 sq ft for ordinary hazard. This effectively
rules out extended coverage sprinklers, but does it also rule out the
small room rule for light hazard areas?
thanks,
ed
aero
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Vince Sabolik
Christi Fire Protection, Inc.
11351 Pearl Road
Strongsville, Ohio 44136
T 440 572-7730 F 440 572-7719 Email:
<mailto:[EMAIL PROTECTED]>[EMAIL PROTECTED]
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title:Project Manager
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