Travis- Ditto... I'm just trying to "encourage" a new designer that's the way it's done....
Brian Harris, CET BVS Systems Inc. bvssytemsinc.com -----Original Message----- From: Sprinklerforum [mailto:[email protected]] On Behalf Of Travis Mack, SET Sent: Friday, December 18, 2015 3:01 PM To: [email protected] Subject: Re: Revamping An Existing System I always do a 1 for 1. If you add another sprinkler to an arm over, I was always under the assumption that you would have to calculate to prove it. Travis Mack, SET MFP Design, LLC 2508 E Lodgepole Drive Gilbert, AZ 85298 480-505-9271 fax: 866-430-6107 email:[email protected] http://www.mfpdesign.com https://www.facebook.com/pages/MFP-Design-LLC/92218417692 Send large files to us via: https://www.hightail.com/u/MFPDesign On 12/18/2015 12:58 PM, Brian Harris wrote: > I was always taught when doing an upfit you only replace 1 for 1, meaning if > here was 1 existing head on an arm-over you couldn't say add another "new" > head and now be feeding 2 heads off that same arm-over, otherwise you'd have > to add a new arm-over to the branchline for the new head. Now that may have > come from a spec long long ago but I swore it was also in NFPA, however I > don't see it worded that way in the standard. Any help? > > Brian Harris, CET > BVS Systems Inc. > Sprinkler Division > bvssystemsinc.com<http://bvssystemsinc.com/> > Phone: 704.896.9989 > Fax: 704.896.1935 > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl > er.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
