Gas is also a one shot and it's over scenario. Even where gas is the primary protection for a piece of equipment (what it's designed for, hence the "Special Hazards" monicker) there's a sprinkler system in case 1. the gas system fails to extinguisher the fire altogether, 2. can't provide long term control (which it can't just by its nature), or 3, knocks down a fire but it rekindles. Just as the sprinkler design performance criterion is to control a fire so it doesn't spread beyond it's design area until the FD can get on scene to provide final suppression and overhaul, a gas system is designed to (hopefully) extinguish a fire in, on or around a piece of high value equipment that could be damaged by water, before the sprinkler system activates.
On Mon, May 13, 2013 at 11:17 AM, <[email protected]> wrote: > Is it bigger than a breadbox? > > Dry chem. Is typically reserved for protecting areas inside equipment. > Not occupied or potentially occupied spaces. > > For large areas there are so many problems with keeping the area tight to > contain gas such as FM-200 that it would be virtually impossible. Also gas > systems aren't going to suitable for every commodity. And lastly, if the > Codes require sprinkler protection, most AHJ's aren't going to go along > with a gas only system as primary. > > So the questions arises as to why do you want to use gas instead of > sprinklers? > > Craig L. Prahl, CET > Fire Protection > CH2MHILL > Lockwood Greene > 1500 International Drive > Spartanburg, SC 29304-0491 > Direct - 864.599.4102 > Fax - 864.599.8439 > CH2MHILL Extension 74102 > [email protected] > > > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Craig > Leadbetter > Sent: Monday, May 13, 2013 1:56 PM > To: [email protected] > Subject: Extra Hazard storage > > Can an extra hazard storage facility be protected by a gas system or dry > chemical system? > > > > -- > Craig Leadbetter > Safeguard of Marquette > PO Box 116 > Marquette, MI 49855 > > (O) 906-475-9955 > (F) 906-475-5474 > (C) 906-362-5393 > > [email protected] > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.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) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
