WHy not use a K5.6 residential sprinkler? Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT 860-535-2080 (ofc) 860-553-3553 (fax) 860-608-4559 (cell)
> > On Jan 7, 2019 at 12:53 PM, <Steve Leyton > (mailto:st...@protectiondesign.com)> wrote: > > > > > > Sorry ‘bout that last one. > > > > > > > > Assuming you stretch the spacing to 18’ x 18’ your math is correct. But > you don’t have to assume maximum listed areas of coverage, you use the actual > S x L. If a residential sprinkler is spaced so that its area of coverage > is 14’ x 16’-9”, you have to use a sprinkler that’s listed up to 18’ x 18’, > but you would calculate the discharge at 23.45 gpm. > > > > > > > > Steve L. > > > > > > > > > > From: Sprinklerforum > [mailto:sprinklerforum-boun...@lists.firesprinkler.org] On Behalf Of > Trillium Fire Sprinkler Design Inc. > Sent: Monday, January 07, 2019 9:50 AM > To: sprinklerforum@lists.firesprinkler.org > Subject: residential sprinklers > > > > > > > > > > I HAVE A HOTEL THAT SAYS NFPA 13 DESIGN. > > > > > > > > IF I USE RESIDENTAIL SPRINKLERS IN THE UPPER FLOORS. AM I CORRECT IN SAYING > THAT I MUST USE .10 DESNITY > > > > > > > > EXAMPLE . I WAS GOING TO USE 18x18 4.9 K SPRINKLER > > > > > > > > REQUIRES 17 GPM @ 12 PSI FOR .05 DENSITY > > > > > > > > BUT SINCE NFPA #13 WOULD I BE REQUIRED TO DESIGN TO THESE NUMBERS. 32.4 > GPM @ 43.72 PSI? > > > > > > > > OR AM I MISSING SOMETHING. > > > > > > > > THANKS > > > > > > > > > > > _______________________________________________ Sprinklerforum mailing list > Sprinklerforum@lists.firesprinkler.org > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >
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