I know that it is mentioned in NFPA 20. You can check there. If you have the PDF version, do a keyword for Break Tank.
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 Jan 27, 2017, at 1:11 PM, Dale Wingard <[email protected]> wrote: > > I agree, I’m just trying to find where it was allowed in earlier editions. > > > > <image001.jpg> > > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of Travis Mack > Sent: Friday, January 27, 2017 1:59 PM > To: [email protected] > Subject: Re: Tank Capacity > > You are just using a "break tank" when you have automatic refill. > > If your demand is 1000 gpm for 60 min and your city supply can do 500 gpm, > then you just store 500 gpm for 60 min. > > I'm out on the road so I can't look up the exact reference. But the good > thing is you don't need crazy formulae with a hundred exponents to figure > this out. It's just simple math. > > > 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 Jan 27, 2017, at 12:52 PM, Dale Wingard <[email protected]> wrote: > > NFPA 22 (2013 Edition) excerpt- > > 4.1.4 A tank shall be sized so that the stored supply plus reliable automatic > refill shall be sufficient to meet the demand placed upon it for the design > duration. > > I have researched earlier editions but I have not been able to find where the > reliable automatic refill has been previously allowed; however, I recall this > being the case. Am I overlooking something? > > Thanks, > > > <image001.jpg> > > <Dale Wingard SET.vcf> > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > <Dale Wingard SET2.vcf> > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
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