If you go into the definitions section, under Unobstructed Construction, it references structural members with openings "at least 70% of the cross section area" as being considered unobstructed. This same magical 70% also shows up in requirements for mesh in privacy curtains. I think this could be extrapolated to include chain link, provided there is over 70% openings in the cross sectional area.
Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT www.fpdc.com 860-535-2080 (ofc) > On Jul 8, 2014, at 12:27 PM, "Steve Leyton" <[email protected]> > wrote: > > Got it, we see this in condo communities all the time. Mini-storage, > personal tenant storage ... it's all pretty much the same > compartmentalization mentality. IMHO the chain link elements are not > obstructions. > > SL > > > > > > > -----Original Message----- > From: Sprinklerforum > [mailto:[email protected]] On Behalf Of IPA > Sent: Tuesday, July 08, 2014 9:24 AM > To: [email protected] > Subject: Re: Chain Link Partitions in Ord Group II > > This is a large storage area adjacent to a locker room. The storage room > is divided up into little compartments with chain link 'security mesh' > while the locker rooms have certain areas that are solid framed up to 2 > ft from the ceiling which is chain link from there on up. I had it > originally layed out as if they were not obstructions but now that I'm > starting to finalize everything I'm starting to second guess myself and > would like to have backup in case plan review questions it. > > > > On Tue, Jul 8, 2014 at 9:19 AM, Steve Leyton > <[email protected]> > wrote: > >> I'd take a common sense approach to this. If sprinklers were jammed >> up against this type of divider, they could be obstructed. But if >> storage height and clearance-to-deflector limits are observed, these > don't >> present an obstruction. Are you looking at a mini-storage? Over the >> years, have done many of these throughout the Southwest and the use of > >> chain link - either full height or just the top 2 feet of framed >> partitions - has been the go-to means of allowing us to stretch out >> sprinkler spacing and not end up with mean coverage of 50-75 sq. ft. >> per sprinkler. >> >> Steve Leyton >> >> >> >> >> >> >> -----Original Message----- >> From: Sprinklerforum >> [mailto:[email protected]] On Behalf Of >> IPA >> Sent: Tuesday, July 08, 2014 9:16 AM >> To: [email protected] >> Subject: Chain Link Partitions in Ord Group II >> >> Would chain link 'partitions' (full height to ceiling) be considered >> an obstruction for a storage area in an ordinary group 2 occupancy? >> I'm having a hard time coming up with anything for this and the >> closest I can think of is the privacy curtain requirement for light > hazard. >> >> Thanks, >> _______________________________________________ >> 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 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
