I thought about this some since. When 13-R and residential sprinklers showed up they were only available in 155-165f range. And a few times we had a spot that required an intermediate head. So we used an SSP intermediate head. It’s what was available.
Best. Bruce Verhei > On Feb 8, 2018, at 07:29, Roland Huggins <rhugg...@firesprinkler.org> wrote: > > Ok put your skates on if your going to go out on the ice with me. It’s a 13R > building. You want to use a type of sprinkler not available in the > residential family so are applying 13 in so far as it is applicable (aka as > defined by outside the dwelling unit). QR spray sprinklers are accepted for > dwelling units while applying the LH design basis (as per 13). If we can > apply the hybrid design basis fro OH in a 13R system, why not for LH? That’s > my trail of dots. Since it is not explicitly drawn in the standard, discuss > with the AHJ. > > > Roland Huggins, PE - Senior VP Engineering > American Fire Sprinkler Assn. > Dallas, TX > http://www.firesprinkler.org > > Fire Sprinklers Saves Lives > > > > >> On Feb 7, 2018, at 4:01 PM, Fpdcdesign <fpdcdes...@gmail.com> wrote: >> >> I wasn't sure I could justify these rooms as outside the dwelling unit when >> the crux of my argument is that the entire building is a dwelling unit. >> >> I told the owner that if we went with institutional sprinklers, we would >> need to change the design to NFPA 13, at an additional cost. Suddenly the >> requirement went away. >> >> Todd G Williams, PE >> Fire Protection Design/Consulting >> Stonington, CT >> 860-535-2080 (ofc) >> 860-553-3553 (fax) >> 860-608-4559 (cell) >> >> >>> On Feb 7, 2018 at 6:19 PM, <Roland Huggins> wrote: >>> >>> There’s also the hybrid room design method for outside the dwelling uniting >>> 13R: 7.2.3.1 (so deemed a more demanding design basis) that could be >>> applied. >>> >>> >>> Roland Huggins, PE - Senior VP Engineering >>> American Fire Sprinkler Assn. >>> Dallas, TX >>> http://www.firesprinkler.org >>> >>> Fire Sprinklers Saves Lives >>> >>> >>> >>> >>>> On Feb 7, 2018, at 6:43 AM, Fpdcdesign <fpdcdes...@gmail.com> wrote: >>>> >>>> I am working on a group home which is being designed as NFPA 13R (2010). >>>> The owner is requiring instutional sprinklers in the bedrooms only. I >>>> cannot find any institutional residential sprinklers, so we are going to >>>> have to use commercial QR instutional sprinklers. Section 6.2.1.3.1 states >>>> that when using QR sprinklers, the density/area shall be a minimum of 0.10 >>>> gpm/sqft over the entire dwelling unit. In this situation, based on the >>>> NFPA 13R definition of dwelling unit, we would need to calculate 0.10 >>>> gpm/sqft over the entire 2 story house. That doens't make sense. Am I >>>> missing something? >>>> >>>> Todd G Williams, PE >>>> Fire Protection Design/Consulting >>>> Stonington, CT >>>> 860-535-2080 (ofc) >>>> 860-553-3553 (fax) >>>> 860-608-4559 (cell) >>>> _______________________________________________ >>>> 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
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