Most of the "water curtains" I've seen have been deluge systems so cold-solder spacing rules would not apply.
On Wed, Mar 26, 2014 at 12:48 PM, Johnson, Duane (NIH/OD/ORS) [C] < [email protected]> wrote: > The 1987 handbook refers to water curtains in the 1960s. It also refers to > privately conducted tests. > > Duane Johnson, PE > Program Manager > Division of the Fire Marshal (Contractor) > Office of Research Services > National Institutes of Health > 301-496-0487 > > "Protecting Science - One Sprinkler at a Time" > > > -----Original Message----- > From: Matt Grise [mailto:[email protected]] > Sent: Wednesday, March 26, 2014 3:22 PM > To: [email protected] > Subject: RE: closely spaced sprinklers and draftstops at floor openings > > Appreciate the responses. > > I was looking for some information on how the criteria was developed. Why > 6' centers, why 18" draftstops (or draftstops at all). Are there any fire > test/incident reports or articles discussing their effectiveness or other > designs that were tried? Does anyone know when it was added to the code (to > look for a proposal discussion)? > > Thanks again, > > Matt Grisé PE*, LEED AP, NICET II > Sales Engineer > Alliance Fire Protection > 130 w 9th Ave. > North Kansas City, MO 64116 > > *Licensed in KS & MO > > 913.888.0647 ph > 913.888.0618 f > 913.927.0222 cell > www. AFPsprink.com > > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Cliff > Whitfield > Sent: Wednesday, March 26, 2014 2:15 PM > To: [email protected] > Subject: RE: closely spaced sprinklers and draftstops at floor openings > > Matt, > > One place is a vertical opening (like an escalator). Water curtain with > heads spaced 6' on center. Don't have my 13 handy for a reference right > now. > > Cliff Whitfield, SET > President > Fire Design, Inc. > Ph: 719-488-3479 > > > > [email protected] > www.fire-design.com > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Matt > Grise > Sent: Wednesday, March 26, 2014 1:10 PM > To: [email protected] > Subject: closely spaced sprinklers and draftstops at floor openings > > I had a customer ask about where the 6'-0" spaced sprinks and 18" > draftstops came from. Anyone know how this design came about (or where I > could look for info). > > Thanks, > > Matt Grisé PE*, LEED AP, NICET II > Sales Engineer > Alliance Fire Protection > 130 w 9th Ave. > North Kansas City, MO 64116 > > *Licensed in KS & MO > > 913.888.0647 ph > 913.888.0618 f > 913.927.0222 cell > www. AFPsprink.com > > _______________________________________________ > 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 > > > _______________________________________________ > 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) A problem well stated is a problem half solved. -Charles F. Kettering, inventor and engineer (1876-1958) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
