Does the apron pavement slope away or towards the Concourse? Are the apron
pavement drainage scuppers arranged in a way to identify building areas that
would not be as exposed to flames as other areas?

Allan Seidel
St. Louis, MO
On Thu, Mar 11, 2010 at 3:21 PM, Greg McGahan <[email protected]> wrote:

> I am calculating  a series of Deluge Systems for exposure protection on an
> airport concourse and I have an HONEST question for you engineers out there.
>
> How important is 5 psi truthfully when you are calculating 43 open 11.2 k
> nozzles with a total demand of 1,500 gpm @ approximately 100 psi?
>
> Due to the orientation (there is an "L" shape where the concourse meets the
> main bldg), we have to calculate 350-400' of exposure instead of 300' and we
> are running into a brick wall after balancing the individual non-symmetrical
> systems (5 of them) when we get within about 5 psi. We have already replaced
> the pump with the maximum we can go with the existing concrete encased
> conduit.
>
> The EOR and AHJ are of course relying on us to make this work, etc, etc.
>
> Thoughts?
>
> Greg McGahan
>
> Living Water Fire Protection
>  (850) 937.1850 | Fax (850) 937.1852 | Cell (850) 554.3231
>
>
> -----Original Message-----
> From: [email protected] [mailto:
> [email protected]] On Behalf Of Rod DiBona
> Sent: Thursday, March 11, 2010 12:00 PM
> To: [email protected]
> Subject: RE: DRY SYSTEMS FOR DUMMIES
>
> Exactly but the problem with proving them empirically is that is after the
> design and installation. If you "guessed" wrong it will cost ya!
>
> Rod DiBona
>
> -----Original Message-----
> From: [email protected] [mailto:
> [email protected]] On Behalf Of Ron Greenman
> Sent: Thursday, March 11, 2010 10:21 AM
> To: [email protected]
> Subject: Re: DRY SYSTEMS FOR DUMMIES
>
> So you buy Tyco's program or you empirically prove delivery times.
>
> On Thu, Mar 11, 2010 at 9:05 AM, Thom McMahon <[email protected]>
> wrote:
> > If I'm not mistaken there is only one program available and TYCO owns it
> and
> > the formula's that are used by it.
> > Rumor has it that the hired a Noble winning math. Dude locked him up for
> > several years until he produced the program they will now rent/sell you.
> >
> > No this is not public domain information.
> >
> > 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 Vince
> Sabolik
> > Sent: Thursday, March 11, 2010 9:14 AM
> > To: [email protected]
> > Subject: DRY SYSTEMS FOR DUMMIES
> >
> > Regarding water delivery time in dry systems.....
> > 11.2.3.9.2  The calculation program and method shall be listed by a
> > nationally recognized laboratory.
> >
> > Anybody know where the formula for the(se) program(s) exists?
> >
> >
> >
> > Vince Sabolik
> > Christi Fire Protection, Inc.
> > 11351 Pearl Road
> > Strongsville, Ohio 44136
> >
> > T 440 572-7730  F 440 572-7719  Email:
> > <mailto:[email protected]>[email protected]
> >
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>
>
>
> --
> Ron Greenman
> Instructor
> Fire Protection Engineering
> Bates Technical College
> Tacoma, WA
>
> Member:
> SFPE, ASCET, NFPA, AFSA, NFSA AFAA, NIBS, WSAFM, WFC
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