That is the way I read it as well. You would have to add the additional 6 GPM.
On Tue, Jun 16, 2020 at 5:03 PM Bob Knight via Sprinklerforum < [email protected]> wrote: > NFPA 13, 2016 ed. States: > > 23.4.4.2.5 Where the total design discharge from these oper- > > ating sprinklers is less than the minimum required discharge > > determined by multiplying the required design density times > > the required minimum design area, an additional flow shall be > > added at the point of connection of the branch line to the > > cross main furthest from the source to increase the overall > > demand, not including hose stream allowance, to the mini- > > mum required discharge. > > > > This is kinda gray to me. Does it mean that if I have a light hazard area > that is only 884 sf (offices in a shop) > > and the area modifier being applied will allow for a 900 sf area, then I > would need a minimum discharge of 90 gpm over the entire area? > > Then, if my calculations bare out 92 gpm nothing else needs done, but if > they came out to 84 gpm an additional flow of 6 gpm would need to be added? > > > > Sorry about the run on sentences, just confused. > > > > > > Thank you, > > > > Bob Knight, CET III > > Fire by Knight, LLC > > 208-318-3057 > > [image: FBK-LOGO-EMAIL] > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > -- Shawn Foor, SET *FOOR DESIGN, LLC* *10208 E 98TH ST* *TULSA, OK 74133* *P:918-237-1400*
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