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ALL of the information is available on the Fire Protection Research Foundation
website. I don't think the test videos are posted, but they might be.
Scott Futrell
(763) 425-1001 Office
(612) 759-5556 Cell
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:spri
search this forum for 'calcium chloride'- there are issues with that
too i know, but nothing that could not be resolved. the reason you mix
it slowly is bcoz heat is generated, which tells me we "pre-combust"
it. with a pressure tank as the approved water supply, bfp's, tapping
fees, etc go
Art,
I was rather skeptical at first also thinking about the hundreds of AF systems
we had installed without incident. Went to the class where NFPA's engineer was
speaking at the AFSA convention in Rhode Island. I don't remember the specifics
although I am sure that they are readily available.
Are their any videos of the test and procedure documents of how the test was
set up? AF systems have been around for a very long time and only recently
has there been any questions about flash fires of AF/water mix going thru a
sprinkler.
Arthur Tiroly
ATCO Fire Protection Design
Tiroly and Assoc
Hard to imagine having enough paperwork to document the introduction of
solutions we've just proved can explode and kill those we're charged with
protecting.
For those of you who don't know, while Scott wasn't in nJ for the fireball, he
was at UL for the replication of those fireballs and he s
Does anyone have any experience with providing pressure relief vales or surge
suppression tanks on wet sprinkler systems.
What were the conditions that warranted their installation beside NFPA 13
regarding relief valves on gridded systems and how did you go about sizing them?
Craig L. Prahl, CE
in Rod and Mark's neighborhood there are contractors using propylene glycol in
CPVC systems (that's a no no) over 50% (that's another no no) and they know it
because "what else can they do?".
Scott Futrell
(763) 425-1001 Office
(612) 759-5556 Cell
-Original Message-
From: sprinklerfo
Can new technology be retroactively applied? Wouldn't the evolution of the use
of antifreeze be a new technology, an improvement? New technology may preclude
its use but it's still a new technology. 2010-1.5 Equivalency. Nothing in this
standard is intended to prevent the use of systems, methods
If you were in Rod's or Frozen Mark's neighborhood, where you need 180%
concentrations to keep from freezing, I'd would argue that's reckless (and
stupid). But if you're doing what NFPA said with the exception of it not being
listed, I'd say until there is a listed one on the market the case cou
Thanks George, this is the same way we have been looking at it. I was just
wondering how the other contractors were handling the situation. We know that
our competition has not stopped using A/F yet and to bid these same buildings
with dry sprinkler systems would cost us a lot of business.
--
Dewayne, I had a short off-Forum debate with a friend when the AFSA release
came out- citing we MUST address known problems when we're aware of them. I
would debate that all day if I had the time.
On a parallel of when TIA's apply- CMS uses the 1999 edition on a certain date
for nursing homes na
And what about storage lower than 25' I have the same issue I can't find the
GPM requirements all I see is that I need to figure 14 sprinkler heads and
15 psi per sprinkler.
Our scenario is as follows: Class IV commodity stored on racks deeper than
16' the aisle are 5' and the storage is up to 25'
Simple answer that was missed because I was looking too deep. There is no
K-factor prescribed, 30 gpm is the target, k-factor depends on pressure. So
there is no set k-factor for the criteria.
Thanks for all the input!
Craig L. Prahl, CET
Fire Protection
CH2MHILL
Lockwood Greene
1500 Inte
At 30 gpm the sprinkler required is K=5.6.
In 2010 16.3.4.3.1 says 30 gpm so a K=8 sprinkler can be used at 15 psi.
Arthur Tiroly
ATCO Fire Protection Design
Tiroly and Associates
24400 Highland Rd rm 25, CLE 44143
216-621-8899
216-570-7030 Cell
WWW.ATCOfirepro.com
-Original Message-
Fr
See also 16.3.3.5.
Duane Johnson, PE
Program Manager
Division of the Fire Marshal (Support Contractor)
Office of Research Services
National Institutes of Health
301-496-0487
"Protecting Science - One Sprinkler at a Time"
-Original Message-
From: Johnson, Duane (NIH/OD/ORS) [C]
Sent:
Section 12.6
Duane Johnson, PE
Program Manager
Division of the Fire Marshal (Support Contractor)
Office of Research Services
National Institutes of Health
301-496-0487
"Protecting Science - One Sprinkler at a Time"
-Original Message-
From: craig.pr...@ch2m.com [mailto:craig.pr...@ch2m
This is one of those times when you're challenged and you just can't find the
info.
I've hunted and hunted but can't find anything stating anything other than the
minimum of 30 psi for the in-rack sprinklers.
We are 27 ft high storage, 45 ft high ceilings, encapsulated, Class IV
commodity, mul
I am a bit confused on the matter of when to apply these TIA's. In
jurisdictions using older editions of NFPA, the TIA would not
apply(correct?) but since we, as contractors, know of the hazards there
is a potential liability issue if we don't follow the TIA? We are
currently purchasing a factory
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