But the cure (air leakage test performed every 3 years) is only cured when:
a) its adopted
b) its enforced.
Parallel to when an EOR leaves boiler plate in his spec for compliance with the
latest edition of a particular code or standard. Why would you penalize the
Owner's wallet for compliance
Most generators, if not all, have a nitrogen storage tank. The one I used
put out 70 PSI requiring an AMD and we still had a riser mount air
compressor because the generator could not fill in 30 minutes. They're
interconnected and valved.
-Original Message-
From:
Based on NFPA 13, 2010 edition and NFPA 101, 2009 edition.
Annex D is not part of the enforceable section of NFPA 13, unless a
jurisdiction specifically adopts it (see section heading). In this case, Annex
D is copied from NFPA 101, so if a jurisdiction adopts NFPA 101, it is
enforceable from
I don't think anyone could ever foresee just how much discussion could be
generated from a space barely large enough to store a vacuum cleaner
in...[chuckles under breath].
- Original Message -
From: Johnson, Duane (NIH/OD/ORS) [C] johnson...@mail.nih.gov
To:
with their vocations. -Francis Bacon,
essayist, philosopher, and statesman (1561-1626)
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sort with their vocations. -Francis Bacon,
essayist, philosopher, and statesman (1561-1626)
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Hello,
Use bottled nitrogen for the 30 minute refill time and the nitrogen
generator for the pressure maintenance of the system.
Friday, October 5, 2012, 10:55:28 AM, you wrote:
Ron,
I requested a technical interpretation from NFPA for that exact question.
My question was:
NFPA 13, 2010,
$
You've got a belt and suspenders cost for a customer who, by code, only needs
one.
And it didn't have to be the more expensive N2 version.
So when presenting the idea of minimizing future corrosion, he's got the
following, grabbing $ out of the air:
1. plant air- $600 for an AMD
2.
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Duane,
Thanks for the excellent analysis and clear delineation of the small yet
significant differences.
Rod at Rapid
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Johnson, Duane
(NIH/OD/ORS) [C]
Sent:
Small until you do a large complex and add 30% of the heads-OUCH!
George L. Church, Jr., CET
Rowe Sprinkler Systems, Inc.
PO Box 407, Middleburg, PA 17842
877-324-ROWE 570-837-6335 fax
g...@rowesprinkler.com
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George, the generator I bought with an autopurge valve for the line to the
ITV, a sensor for checking N2 concentration, storage tank, was $6800. I'm
gambling on limited data here that this 10K investment on a system will save
my customer from having to replace 50K in pipe and fittings only 30
Mind sharing the system volume for that much generator $?
You well know the volume range is huge, and with electronic accelerators now
allowing reliably faster trip times, we've done some warehouse conversions that
were monstrous. The one I'm thinking of had FM blessing, and a high pressure
N2 Blast #250. 2 1/2 replacement main x 100' with 500' of 1 branches.
Relatively small. I2 5BRx2B bungalow. 120'x45'.
I talked about sizing these with their Engineer and got the impression they
size them for some 'expected' leakage plus the trickle you set the purge
valve to relieve. I was
The air we breath is 78% N2 I think you might want to check into this further.
97 or 98% N2 is about right?
Sent from my iPhone
On Oct 5, 2012, at 6:52 PM, Tom Duross tduro...@comcast.net wrote:
N2 Blast #250. 2 1/2 replacement main x 100' with 500' of 1 branches.
Relatively small. I2
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