14 K8.0 sprinklers at 7 psi calculates to min 296 gallons.
> > On Jun 16, 2020 at 7:49 PM, <Bob Knight via Sprinklerforum > (mailto:[email protected])> wrote: > > > > > > The spec is demanding 8.0K for the LH areas. > > > > > > > > > > > > > Thank you, > > > > > > > > Bob Knight, CET III > > > > Fire by Knight, LLC > > > > 208-318-3057 > > > > > > > > > > > From: Sprinklerforum > [mailto:[email protected]] On Behalf Of Travis > Mack, SET, CFPS, CWBSP, RME-G via Sprinklerforum > Sent: Tuesday, June 16, 2020 5:48 PM > To: [email protected]; [email protected] > Cc: Travis Mack, SET, CFPS, CWBSP, RME-G > Subject: RE: [EXTERNAL] RE: Floor area less than required > > > > > > > > > > 4.2k or even 2.8k can be your friend – if applicable. > > > > > > > > (http://www.mfpdesign.com/) > > > > Travis Mack, CFPS, CWBSP, RME-G, SET > > > > Engineering Manager > > > > MFP Design > > > > 3356 E Vallejo Ct > > > > Gilbert, AZ 85298 > > > > NEW EXTENSION: 480-505-9271 ext. 700 > > > > NEW MOBILE: 480-272-2471 > > > > [email protected] (mailto:[email protected]) > > > > [email protected] (mailto:[email protected]) > > > > www.mfpdesign.com > > > > > > > > Send large files to us via: https://www.hightail.com/u/MFPDesign > (https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.hightail.com%2Fu%2FMFPDesign&data=02%7C01%7C%7C1121d49f9e6b4cf248f108d4df580e77%7C14e5497c16da42e69ffa77d19bafe511%7C0%7C0%7C636379016677342180&sdata=eGdMZGu2wXhUupGwgGTrqF3b54OP5%2BAZvlHhABSexWY%3D&reserved=0) > > > > > LinkedIn: https://www.linkedin.com/in/travismack > (https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fin%2Ftravismack&data=02%7C01%7C%7C1121d49f9e6b4cf248f108d4df580e77%7C14e5497c16da42e69ffa77d19bafe511%7C0%7C0%7C636379016677342180&sdata=tT5E7LsZjSmyreKi4gDCa70EWN%2BZodi%2FhbeCbHNRijI%3D&reserved=0) > > > > > > > > “The bitterness of poor quality remains long after the sweetness of low > price is forgotten.” > > > > > > > > Need/Want a faster way to check material pricing? Build a material > quote? Check availability ? Searching for an invoice? > > > > *If you do not already have an account with ferguson.com, click here > (https://www.ferguson.com/account-registration) to register.* > > > > **Have a Ferguson account? Download the Ferguson app for on-the-go access > to your favorite ferguson.com features. Apple iOS devices > (http://fergusoncommunications.us.newsweaver.com/hq7bgesq7f/1qtklpp37l9byeftyuoy12/external?email=true&a=6&p=2591775&t=517003) > or Android devices > (http://fergusoncommunications.us.newsweaver.com/hq7bgesq7f/n1gewi5ud95byeftyuoy12/external?email=true&a=6&p=2591775&t=517003)** > > > > > > > > > > > > > > > > > > From: Sprinklerforum <[email protected]> > On Behalf Of Bob Knight via Sprinklerforum > Sent: Tuesday, June 16, 2020 4:34 PM > To: [email protected] > Cc: Bob Knight <[email protected]> > Subject: RE: [EXTERNAL] RE: Floor area less than required > > > > > > > > > > Yep, it’s actually 14 sprinklers. Bunch of small compartments. > > > > > > > > > > > > > Thank you, > > > > > > > > Bob Knight, CET III > > > > Fire by Knight, LLC > > > > 208-318-3057 > > > > > > > > > > > From: Sprinklerforum > [mailto:[email protected]] On Behalf Of > Kyle.Montgomery via Sprinklerforum > Sent: Tuesday, June 16, 2020 5:33 PM > To: [email protected] (mailto:[email protected]); > [email protected] > (mailto:[email protected]) > Cc: Kyle.Montgomery > Subject: RE: [EXTERNAL] RE: Floor area less than required > > > > > > > > > > That sounds correct. > > > > > > > > It seems strange that your calculation is over-discharging by more than 100% > though. Minimum discharge is 90 GPM and you’re discharging over 200 GPM? Do > you have like 13 sprinklers jammed into this area? > > > > > > > > -Kyle M > > > > > > > > > > From: Sprinklerforum <[email protected] > (mailto:[email protected])> On Behalf Of Bob > Knight via Sprinklerforum > Sent: Tuesday, June 16, 2020 3:27 PM > To: [email protected] > (mailto:[email protected]) > Cc: Bob Knight <[email protected] (mailto:[email protected])> > Subject: [EXTERNAL] RE: Floor area less than required > > > > > > > > > > So, in this case I’m discharging over 200 gpm due to the number of > sprinklers in the area. Based on this I shouldn’t need to add any > additional flow, correct? > > > > > > > > > > > > Thank you, > > > > > > > > Bob Knight, CET III > > > > Fire by Knight, LLC > > > > 208-318-3057 > > > > > > > > From: Sprinklerforum > [mailto:[email protected]] On Behalf Of Shawn > Foor via Sprinklerforum > Sent: Tuesday, June 16, 2020 4:23 PM > To: [email protected] (mailto:[email protected]); sprinklerforum > Cc: Shawn Foor > Subject: Re: Floor area less than required > > > > > > > > > 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] > (mailto:[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 > > > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > (mailto:[email protected]) > > > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > > (https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.firesprinkler.org_listinfo.cgi_sprinklerforum-2Dfiresprinkler.org&d=DwMFaQ&c=wn3mZQLIuInh2ClcJ0_DIA&r=Z_2A85VL7AQzoqudh6uOyS3bn8etxB7nLN8OBJwQd9A&m=_2ppVlQRx7Fb57SSZ9NkK5o7rXDrqJ5TJ7l_rnRCOms&s=ehlEtH7Yni3MIGcXuqxP2PJVlM6NhOL93jbj5WooRyk&e=) > > > > > > > > > > > > > > > > > > > -- > > > > > > > > > > > > Shawn Foor, SET > > > > > > > > > > > > FOOR DESIGN, LLC > > > > > > 10208 E 98TH ST > > > > > > TULSA, OK 74133 > > > > > > P:918-237-1400 > > > > > > > > > > > _______________________________________________ Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >
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