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Yes I completely agree with that Monday morning idea.
Forest Wilson.
Cherokee fire
--Original Message--
From: Jay Stough
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To: AFSA Sprinkler Forum
ReplyTo: sprinklerforum@firesprinkler.org
Subject: Main Drain test
Sent: Oct 6, 2008 8:44 AM
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More great information, thanks for your input I have learned a lot.
Ron Fletcher
Aero Automatic Sprinkler
Phoenix, AZ
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of John Drucker
Sent: Friday, October 03, 2008 3:06 PM
To: sprinklerforum@firesprinkler.org
We have a situation where tires are stored in fixed racks lying flat on solid
plywood shelves with no flue space. The racks are 8-0 wide, plywood shelving
at 5-0 and 10-0 for the first two elevations and open to the joists at the top
layer. Tires are not stored past 14-0. We work off NFPA
'02 - 8.6.5.2.1.2 Regardless of the rules of 8.6.5.2 (obstructions less than
18 below) solid continuous obstructions shall meet the applicable
requirements of 8.6.5.1.2 (beam/soffit rules).
Seem like 8.6.5.2.1.2 is meant to over ride the exceptions that come after
such as the 3 times rule. So
Mark Hasenmyer, PE
MEH Fire Protection Engineering LLC
1311 River Oaks Drive
Flower Mound, TX 75028
Office (972) 874-2662
Fax (972) 874-5591
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Charles
Thurston
Sent: Thursday, October 02, 2008 12:31 PM
To:
No since there is a maximum RHR of 3500 BTU/lb as well as flames
spread rating.
The better question - is there enough EXPOSED combustibles to
propagate the fire? As discussed in the Handbook, you are allowed to
have a limited amount of exposed combustibles. The example uses the
We have a customer with 2 preaction systems coming off a wet system. The
main drain is not piped outside, but to a slop sink near the riser for each
preaction system. There is no way that this will handle the flow from the
main drain. I seem to remember reading or hearing that you could use
You have to use a fire hose and flow it outside
Forest Wilson
Cherokee fire.
--Original Message--
From: George Church
Sender: [EMAIL PROTECTED]
To: sprinklerforum@firesprinkler.org
ReplyTo: sprinklerforum@firesprinkler.org
Subject: RE: Main Drain test
Sent: Oct 6, 2008 10:28 AM
We
that is what the standard says and might I add, horrible code
writing. If the top of the duct is below the deflector but less than
18 inches, it still says to apply 8.6.5.1.2. MAKES NO SENSE. We did
an article on this after this requirement was created defining how we
think it should be
Guys-
It's Jay's question, I just posted it for him when he had tech prob. After
this weekend, I'm glad the tech probs went elsewhere. Anyone have a screen
for an IBM T43p thinkpad for cheap? Sound deadening headphones where both
sides work? Anyone seen keys to my jeep? One of those couple days.
Does anyone know of a manufacturer who still makes exhausters?
Thanks in advance,
Mike Wisneski
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Does anyone know of a manufacturer who still makes exhausters?
Mike,
I believe that Tyco had been mfg Star's version, but it was discontinued. I
actually think we bought one of the last ones.
Don't know of any others in existence.
If I remember correctly, the exhauster was sent by the wayside
You need to check the flash point. Look to NFPA 30 Flammable liquids code.
Best protection is foam - AFFF or CAF system. EH2 sprinkler or higher.
Arthur Tiroly
ATCO Fire Protection Design
Tiroly and Associates
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On
Ken,
I don't think the electronic accelerator will help. The actual trip time
with a tyco accelerator is 15 seconds. The problem is the +/- 500 feet of
main from the riser to the inspectors test connection. The system was put in
with an exhauster and accelerator and barely made the water delivery
Bio-diesel itself is considered a Class IIIB Combustible. Flash point is
higher than standard diesel, usually around 240-250F.
Check with your client and get a list of ALL the chemicals that will be used in
the process and for support and maintenance. Usually the other two components
are
When you say water delivery time I assume you mean per #13 old school (esp
w/ DUH, excuse me, DOH).
Possible to install the electronic accelerator, drop trip time to 4 seconds,
and get the time? If not, water delivery calcs and you don't have a time to
meet if the results meet the criteria.
Including a credit check? It's gonna be a long couple of years.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: Monday, October 06, 2008 4:38 PM
To: sprinklerforum@firesprinkler.org
Subject: RE: Bio-Diesel
Bio-diesel itself is
The plywood is running this this train off track since all the criteria in NFPA
13 is based on NOT having solid shelving. So you may be left with the 0.40 at
the ceiling and putting in-racks in at both levels below the plywood based on
either (6) or (7) of Table (a) since neither (b) or (c)
Containers can also be large (5000 gallons not uncommon) so be aware
of that as well. This would probably fall under a Group H in the
Building Code, so take a look at those requirements as well. There is
someone on the Forum from the Jacksonville area (name escapes me
right now) who has done
It would only be an H occupancy if it exceeded 13,200 gallons of storage or
in use, closed systems for unsprinkled, IIIB. Double that if you have
sprinklers.
Craig L. Prahl, CET
Fire Protection Group
Mechanical Department
CH2MHILL
Lockwood Greene
1500 International Drive
PO Box 491,
I was thinking more about 5K of Methanol than the Bio-diesel itself.
I think that would put it in an H-3.
At 05:09 PM 10/6/2008, you wrote:
It would only be an H occupancy if it exceeded 13,200 gallons of
storage or in use, closed systems for unsprinkled, IIIB. Double
that if you have
I was watching House once (wanna bet doctors have apoplexy watching
this show just like we do with Hollywood sprinklers) and the patient
kept complaining that whenever he did something it would make his arm
hurt. House just said, Then don't do that. If the plywood makes it
impossible or
Oh yeah, 5K of methanol, that would do it for sure.
Craig L. Prahl, CET
Fire Protection Group
Mechanical Department
CH2MHILL
Lockwood Greene
1500 International Drive
PO Box 491, Spartanburg, SC 29304-0491
Direct - 864.599.4102
Fax - 864.599.8439
[EMAIL PROTECTED]
http://www.ch2m.com
In this case the owner has a need and the fire protection contractor/engineer
must find the solution. Hint - I've done this before. The owners need is to
protect the sidewalls of the tires. If he stores them on an open wire rack, it
will leave an unsightly indentation in the sidewall and have
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