Agree, but in my opinion this rule did not apply to sidewalls. However, the 2016 edition might be adding sidewalls specifically.
Do not call about Stephs phoneSprinklers Save > On Apr 13, 2015, at 8:44 AM, Travis Mack <[email protected]> wrote: > > Dewayne: > > I don't have the references in front of me but can get later today if you > need. > > In NFPA 13, if you need the requirements for a small room, you can take the > area of the room divided by the number of sprinklers in the room to get the > area per sprinkler. > > You then compare that to the listing of your sprinkler and use whichever is > greater. > > For example, a 600 sq ft room with 4 residential sprinklers is 150 sq ft per > sprinkler. At 0.10 you have a minimum of 15 gpm. If sprinklers are 8' off > walls and no more than 16 ft apart, the listing for a 4.9k pendent is 13 gpm > so you use the 15 gpm from above. > > If your sprinklers at 9' off walls, then you use 17 gpm because that is the > listing for 18' spacing of a 4.9k sprinkler. > > I can find the exact references later today if you are unable to locate. > However, if you find where it says to do 4 sprinkler for residential > sprinklers, it is the next line or two down that points you to be the room > area method for standard spray that i mentioned above. > > > Travis Mack, SET > MFP Design, LLC > "Follow" us on Facebook: > https://www.facebook.com/pages/MFP-Design-LLC/92218417692 > Send large files to MFP Design via: > https://www.hightail.com/u/MFPDesign > > Sent from my iPhone > >> On Apr 13, 2015, at 5:07 AM, Dewayne Martinez >> <[email protected]> wrote: >> >> It would but I am using residential pendant sprinklers and the small room >> rule only applies to standard throw sprinklers. >> I guess that's the tradeoff I need to deal with for only wanting to calc 4 >> sprinklers and using extended coverage. >> >> -----Original Message----- >> From: Sprinklerforum >> [mailto:[email protected]] On Behalf Of John >> Denhardt >> Sent: Monday, April 13, 2015 6:46 AM >> To: <[email protected]> >> Subject: Re: NFPA 13 (07ed) apartment obstructions >> >> Does the small room apply? If so, use .05 x small room rule or listing >> whichever is larger. >> >> Sprinklers Save >> >>>> On Apr 13, 2015, at 7:38 AM, Dewayne Martinez >>> <[email protected]> wrote: >>> >>> Thanks for confirming Jerry. The light is small and It just looks >>> weird to have a head so far away from the center of the room where the >>> light is located. Of course when I have to offset the sprinkler so >>> much it affects my calculations since it is a 13 application. Glad >>> the salesman bid it as if there were no lights present :) Thanks, >>> Dewayne >>> >>> -----Original Message----- >>> From: Sprinklerforum >>> [mailto:[email protected]] On Behalf Of >>> Jerry Van Kolken >>> Sent: Thursday, April 09, 2015 6:49 PM >>> To: [email protected] >>> Subject: RE: NFPA 13 (07ed) apartment obstructions >>> >>> Looks like your you using the 4x rule . You should only need a single >>> head at 36" away. >>> >>> Jerry Van Kolken >>> Millennium Fire Protection >>> (760) 722-2722 >>> >>> >>> -----Original Message----- >>> From: Sprinklerforum >>> [mailto:[email protected]] >>> On Behalf Of Dewayne Martinez >>> Sent: Thursday, April 09, 2015 10:16 AM >>> To: [email protected] >>> Subject: NFPA 13 (07ed) apartment obstructions >>> >>> I am using residential concealed pendant sprinklers in a NFPA 13 >>> apartment complex. Many of the rooms have a surface mounted domed >>> light which is about 12in in diameter and 5in deep at the center. It >>> seems to me that I must maintain at least 36in away from the edge of >>> the light per figure >>> 8.10.6.2.1.3 or install a sprinkler on both sides correct? >>> >>> Thanks, >>> >>> Dewayne >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl >>> er.o >>> rg >>> >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl >>> er.o >>> rg >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl >>> er.org >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.o >> rg >> _______________________________________________ >> 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
