With the center fed main and not two outer mains with lines fed from both mains, I would not call it a grid, no matter what you call it, I like the layout and should not be anything code wise to prohibit it.
Thank you Richard M. Carr, SET Project Manager/Design Diboco Fire Sprinklers, Inc. 325 Jackson Loop Road Flat Rock, NC 28731 [email protected] 828-696-3400 828-696-2288 Fax 828-708-9118 Mobile -----Original Message----- From: Sprinklerforum <[email protected]> On Behalf Of Kevin Hall via Sprinklerforum Sent: Tuesday, October 26, 2021 1:42 PM To: [email protected] Cc: Kevin Hall <[email protected]> Subject: Re: Gridded dry system The operating sprinkler will receive water from two directions. That meets more of the definition of gridded than it does loop. The above is my opinion and has not been processed as a formal interpretation in accordance with the NFPA Regulations Governing Committee Projects. This is provided with the understanding that the AFSA assumes no liability for this opinion or actions taken on it and they are not to be considered the official position of the NFPA or its technical committees. AFSA cannot provide design or consulting engineering services, and this opinion should therefore not be considered, nor relied upon, as such. Kevin Hall, M.Eng., P.E., ET, CWBSP, PMSFPE Coordinator, Engineering and Technical Services American Fire Sprinkler Association [email protected] 214-349-5971 On Tue, Oct 26, 2021 at 1:38 PM Richard Carr via Sprinklerforum < [email protected]> wrote: > I think you could call it a looped dry system if it will make you feel > better. > > Richard M. Carr, SET > Project Manager/Design > Diboco Fire Sprinklers, Inc. > 325 Jackson Loop Road > Flat Rock, NC 28731 > > [email protected] > 828-696-3400 > 828-696-2288 Fax > 828-708-9118 Mobile > > > > -----Original Message----- > From: Sprinklerforum <[email protected]> > On Behalf Of Ed Kramer via Sprinklerforum > Sent: Tuesday, October 26, 2021 1:31 PM > To: [email protected] > Cc: Ed Kramer <[email protected]> > Subject: Gridded dry system > > Is this sprinkler system a gridded system? I've avoided this type of > design in the past for dry systems because it 'kinda' a grid, but not > really. Now I'm questioning my questioning. What are your thoughts? > > > > Reference NFPA 13 (2019) sections 8.2.3.10 and 3.3.206.5. > > > > https://www.dropbox.com/s/u2hw3cbvlga4fcq/Dry%20Attic%20System.pdf?dl= > 0 > > > > > > Ed Kramer > > > > _______________________________________________ > 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-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
