On the project I worked on, the FM felt the gap was not sufficient. But also he didn't pull it 194 units into a 200 unit project.
At 11:09 PM 4/25/2012, you wrote: >Wouldn't you tink the gap that naturally will occur between the face of the >door and the edge of the shelf due to the indent of the door in the jam and >the trim and whatever gap there is between the trim and the edge of the >shelf be sufficient? Then what is the fuel load of a water heater? The >insulation on the wiring, contained in a conduit or within the shell of the >device? How much toxic gas? Obviously a hazard but how severe? Why would >the committee be so little concerned about the shelf dimension or ratio? > >On Wed, Apr 25, 2012 at 7:48 PM, Russell & Carol Gregory < >[email protected]> wrote: > >> This situation is about both getting heat up to the sprinkler and getting >> some water down, at least onto the door. >> At design stage then slatted shelving or keeping the shelf back from the >> door face by say 50mm. This would then allow heat up and water down the >> inside of door. >> At this completion stage I would drill a number 50mm or 80mm holes in shelf >> with hole saw and produce vents between the two parts. >> A bit academic but good practise is to have the shelf with the gap at the >> door edge. If the closet is in a sleeping space (bedroom) then there is a >> good case for remedial action due to the risk of a fire building up in the >> lower space before actuating the sprinkler, and producing larger amounts of >> toxic gases. I would expect a quick response standard spray sprinkler would >> be used. >> >> Russell Gregory >> Christchurch, New Zealand >> Ph 03 338 4853 >> e-mail [email protected] >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Todd >> Williams >> Sent: Thursday, 26 April 2012 5:14 AM >> To: Charles Thurston; [email protected] >> Subject: Re: Residential Utility Closet >> >> I have run into similar situations and a grated shelf was required. >> >> >> At 12:55 PM 4/25/2012, you wrote: >> >Hello RFletcher, >> > >> > From the way I read this the shelf blocks ALL of the space side to >> >side AND front to rear in the space below the AC unit. How does the >> >Sprinkler water get to the space where the hot water heater is? >> > >> >Wednesday, April 25, 2012, 10:10:03 AM, you wrote: >> > >> >> 2'-10" x 2'-10" closet with 9 ft ceiling. A full width and depth >> >> shelf is at 4'-2" above the floor. AC unit sits on the shelf and >> >> water heater is below, there is a typical 6'-8" door on the closet . >> >> Applicable code is 2002 NFPA #13. The inspector is insisting that we >> >> add sprinkler beneath the shelf to cover the water heater because of >> >> the obstruction from the shelf supporting the AC. Of course it is >> >> near the end of the project and this is the first time the issue has >> >> been raised. We pointed out that 6.4.6.3.1 in 13R (2010) and the >> >> handbook says one head is enough in 400 sqft. closet. The inspector >> >> says that 13R doesn't apply and that 13 is blah blah blah. He is >> >> technically correct but holy cow 2 heads in a six square feet closet? >> > >> >> I thought that if I could find the ROP and ROC for what is currently >> >> 6.4.6.3.1 in 13R that there would be something in the substantiation >> >> we could send to the inspector. Or do you think the inspector is >> >> right, do we need another sprinkler? >> > >> > >> >> Ron Fletcher >> >> Aero Automatic >> >> Phoenix, AZ >> > >> > >> > >> >> _______________________________________________ >> >> Sprinklerforum mailing list >> >> [email protected] >> >> http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum >> > >> > >> >> ----- >> >> No virus found in this message. >> >> Checked by AVG - www.avg.com >> >> Version: 2012.0.1913 / Virus Database: 2411/4958 - Release Date: >> >> 04/25/12 >> > >> > >> > >> > >> >-- >> >Best regards, >> > Charles mailto:[email protected] >> > >> > Confidentiality Notice: This e-mail message, including any >> > attachments, is for the sole purpose of the intended recipients and >> > may contain confidential and privileged information. Any unauthorized >> > review, use, disclosure or distribution is prohibited. If you are not >> > the intended recipient, please contact the sender by reply e-mail and >> destroy all copies of the original message. >> > >> >_______________________________________________ >> >Sprinklerforum mailing list >> >[email protected] >> >http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum >> >> Todd G. Williams, PE >> Fire Protection Design/Consulting >> Stonington, CT >> 860.535.2080 >> www.fpdc.com >> >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum >> >> >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum >> > > > >-- >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) >-------------- next part -------------- >An HTML attachment was scrubbed... >URL: ><http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20120425/5404e78e/attachment.html> >_______________________________________________ >Sprinklerforum mailing list >[email protected] >http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum Todd G. Williams, PE Fire Protection Design/Consulting Stonington, CT 860.535.2080 www.fpdc.com _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
