Why not just put a barrel of water on top of keg of black powder with a
fuse going into the trailer?


On Mon, Sep 19, 2016 at 8:47 AM, Brad Casterline <bcasterl...@fsc-inc.com>
wrote:

> That's upstream Gus. I'm just trying to help Craig get out of the (if Mr.
> Greenman will pardon my French) Remote Area with the calc software he has.
>
> :)
>
> Brad
>
> -----Original Message-----
> From: Sprinklerforum [mailto:sprinklerforum-bounces@lists.firesprinkler.
> org]
> On Behalf Of Gus Olson
> Sent: Monday, September 19, 2016 10:37 AM
> To: sprinklerforum@lists.firesprinkler.org
> Subject: RE: spray bar versus deluge heads for opening protection
>
> Brad,
> Don't forget to add a strainer
>
> Gus Olson
>
> -----Original Message-----
> From: Sprinklerforum [mailto:sprinklerforum-bounces@lists.firesprinkler.
> org]
> On Behalf Of Brad Casterline
> Sent: Monday, September 19, 2016 11:30 AM
> To: sprinklerforum@lists.firesprinkler.org
> Subject: RE: spray bar versus deluge heads for opening protection
>
> P = 40 PSI
> K = 1.55
> Q = 9.8 GPM
>
> 36 GPM / 9.8 = 3.67 holes per nozzle
>
> call it 4 :)
>
> Brad
>
> -----Original Message-----
> From: Sprinklerforum [mailto:sprinklerforum-bounces@lists.firesprinkler.
> org]
> On Behalf Of craig.pr...@ch2m.com
> Sent: Monday, September 19, 2016 9:57 AM
> To: sprinklerforum@lists.firesprinkler.org
> Subject: RE: spray bar versus deluge heads for opening protection
>
> Dude, you need serious help.   HAHA
>
> Now how many average sprinkler designers could have figured that out?
>
> But it has to equal the discharge of spray nozzles which are required to
> provide a minimum of 36 gpm at 40 psi around the perimeter.
>
>
>
> Craig L. Prahl
> Fire Protection Group Lead/SME
> CH2M
> 200 Verdae Blvd.
> Greenville, SC  29607
> Direct - 864.920.7540
> Fax - 864.920.7129
> CH2MHILL Extension  77540
> craig.pr...@ch2m.com
>
>
>
> -----Original Message-----
> From: Sprinklerforum [mailto:sprinklerforum-bounces@lists.firesprinkler.
> org]
> On Behalf Of Brad Casterline
> Sent: Monday, September 19, 2016 10:37 AM
> To: sprinklerforum@lists.firesprinkler.org
> Subject: RE: spray bar versus deluge heads for opening protection
> [EXTERNAL]
>
> (.25/24)^2 * PI = .000314 ft^2
> assume coefficient of discharge of .9
> .000314 *.9 = .000283
>
> 'imply' 7 PSI
> 7 / .433 = 16.167 (h)
> v = (2gh)^.5 = 32.266 ft/sec
>
> 32.266 ft/sec * .000283 ft^3 = .00913 ft^3/sec, * 7.48 * 60 = 4.1 GPM
>
> Q = 4.1
> P = 7.0
> K = 1.55
>
> Brad
>
> -----Original Message-----
> From: Sprinklerforum [mailto:sprinklerforum-bounces@lists.firesprinkler.
> org]
> On Behalf Of craig.pr...@ch2m.com
> Sent: Monday, September 19, 2016 9:11 AM
> To: sprinklerforum@lists.firesprinkler.org
> Subject: spray bar versus deluge heads for opening protection
>
> Today's teaser.
>
> An owner gives you this criteria for protecting a truck dock door opening.
> A semi-trailer is parked at the opening up against the dock seal, the
> trailer contains wooded pallets.
>
> The rollup door and the trailer doors remain open at all times for in and
> out access.
>
> Their recommended method of protecting the opening is to use 1.5" pipe with
> 1/4" holes drilled every 6".  Provide this around the opening which is 12"
> wide by 9' high.  This is approved by their international corporate safety
> department.
>
> This will be a deluge system for two dock doors.
>
> How are you going to calculate this?
>
>
> Craig L. Prahl
> Fire Protection Group Lead/SME
> CH2M
> 200 Verdae Blvd.
> Greenville, SC  29607
> Direct - 864.920.7540
> Fax - 864.920.7129
> CH2MHILL Extension  77540
> craig.pr...@ch2m.com
>
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-- 
Ron Greenman

4110 Olson Dr., NW
Gig Harbor, WA 98335

rongreen...@gmail.com

253.576.9700

The Universe is monstrously indifferent to the presence of man. -Werner
Herzog, screenwriter, film director, author, actor and opera
director (1942-)
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