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-boun...@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-boun...@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-boun...@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-boun...@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-boun...@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 _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
