This mist system while it is great for spreading the word about sprinkler
systems in general, ultimately, I believe, is going to give the wrong
message.  While many people have worked long hours to finally get the home
fire sprinkler inative going this is going to confuse the lot of them and
add to distrust, skeptism and plain wrong conclusions.  For anyone to tout
that a N2 tank and related equip. has NO need of service, inspection for 10
- 20 years is blatantly wrong. The meth heads are gonna love these
systems....oh yeah seems to me that just containing such an arsenal moves
the hazard level beyond the scope of an maint. free system an into a whole
different realm.

by others
"if we all agreed we'd be communists"

On Sat, May 29, 2010 at 12:58 PM, Mike Cabral <[email protected]> wrote:

> I'm not sure about the gas laws but I think you would need five N2 tanks to
> move 60 gal of water at 1800 psi.  3 gpm per nozzle X  2 = 6 gpm x 10 min
> supply = 60 gal. 60 gal X 1800 psi X .009 ÷ 208 cubic ft per tank = 4.6
> cylinders.
> Sent on the Sprint® Now Network from my BlackBerry®
>
> -----Original Message-----
> From: "Thom McMahon" <[email protected]>
> Date: Sat, 29 May 2010 09:53:51
> To: <[email protected]>
> Subject: RE: Mist Systems Considered Option for Inside Homes
>
> Nitrogen tanks hooked up to a water storage tank is already an option in
> 13D
> (See TALCO's FFX system.)
> While I expect pressures (operating) to be higher for mist systems, I can
> see the benefit of very small high pressure tubing in some type of wire
> mold
> in an existing structure. The $100,000.00 savings is somebody blowing smoke
> up you know where, or they inhaled more than once. The largest 13D system
> we
> ever did was 44,000 SF and it was about a $50K job. So unless the average
> home is now 250,000 SF I don't see any way even at half the cost to save
> 100K.
> I love the statement 13R for single family and duplex homes in the copy of
> Gannon's study. Obviously Marriott is more in keeping with 13R, in their
> retirement and lodging settings. Personally I think there is more to be
> studied, and perhaps something that looks more like a "Vortex" system will
> come of it someday. Right now unless someone is volunteering their
> community
> to be a Guinea Pig for this mist system, I don't see its application as a
> option in 13D or R very soon. Of course you could always do it a
> "Equivalent" engineered design.
>
> Thom McMahon, SET
> Firetech, Inc.
> 2560 Copper Ridge Dr
> P.O. Box 882136
> Steamboat Springs, CO 80488
> Tel:  970-879-7952
> Fax: 970-879-7926
>
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of tom poisal
> Sent: Friday, May 28, 2010 2:07 PM
> To: [email protected]
> Subject: Re: Mist Systems Considered Option for Inside Homes
>
> Oh here's the rub, the water tank is also hooked up to nitrogen tanks for
> psi, and what kind or residential mess is that gonna be!
>
>
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-- 
Tom Poisal, CET
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