They were telling him that they needed to test the system with the open
heads in place to make sure there were no obstructions in the pipe such
as bugs  It's on an outside canopy so it kind of made sense. 

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Ron
Greenman
Sent: Friday, June 21, 2013 2:46 PM
To: [email protected]
Subject: Re: air test for open head deluge system

These questions intrigue me because it's about what might be an arcane
application. What I found was that an open head deluge system is
essentially just a type of sprinkle system in 25 and so tested the same
as any other. When it starts being defined is something having to do
with a special application (water-spray, foam, etc.) then there are
additional operational tests. So when you look at deluge it sends you
various places within 25. One took me the ultra high speed stuff.
Another to water spray.
And yes there is one for foam and it sent me to the foam section for
plain old sprinkler systems. In no case did I run into the air test tree
while wandering around the NFPA 25 forest. Have your client ask this
other guy for the reference that says this is a test, much less a
mandatory one.
Maybe he was saying he needs to test the air compressor...oh,..wait...,
open head system?...Air compressor?...Something isn't making sense.


On Fri, Jun 21, 2013 at 12:04 PM, Martinez, Dewayne <
[email protected]> wrote:

> I have a owner calling me because another contractor is stating that 
> he needs to have an air test done on his open head foam deluge system.
>
> I have never heard of this and was wondering  what the test entails.
> Any takers?
>
> Thanks,
>
>
>
> Dewayne Martinez
>
> Fire Protection Design Manager
>
> Total Mechanical
>
> 414-406-5208 (c) 262-522-7110 (w) 262-522-1006 (f)
>
>
>
> _______________________________________________
> Sprinklerforum mailing list
> [email protected]
>
> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl
> er.org
>



--
Ron Greenman
Instructor
Fire Protection Engineering Technology
Bates Technical College
1101 So. Yakima Ave.
Tacoma, WA 98405

[email protected]

http://www.bates.ctc.edu/fireprotection/

253.680.7346
253.576.9700 (cell)

Member:
ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC

They are happy men whose natures sort with their vocations. -Francis
Bacon, essayist, philosopher, and statesman (1561-1626)
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