It is there but only under Group A plastics. Easy argument to say it's reasonable to apply it to a lesser hazard. You're still stuck by the 30 ft max storage height = 50 ft ceiling.
Roland On Apr 10, 2009, at 10:21 AM, Daniel Merkle wrote: > Roland, > I see what you are talking about in 12.1.3.4.1(2007). > What if you are still using 2002? > > Daniel L. Merkle, CET > > > > > > > ________________________________ > From: Roland Huggins <rhugg...@firesprinkler.org> > To: sprinklerforum@firesprinkler.org > Sent: Friday, April 10, 2009 1:14:06 PM > Subject: Re: Storage Sprinkler > > As the criteria says, you artificially assign a storage height so that > you have a 20 ft clearance. That is inherently limited, though, by > solid pile having a maximum storage height so a 50 ft ceiling is about > it. Beyond that you are then back to the previously mentioned ceiling > installation business. > > Roland > > On Apr 10, 2009, at 10:00 AM, Daniel Merkle wrote: > >> Ron, >> You are correct. It is solid pile and what concerns me is I could >> not find any limit on clearance from top of storage. >> >> >> >> >> >> ________________________________ >> From: "Fletcher, Ron" <rfletc...@aerofire.com> >> To: sprinklerforum@firesprinkler.org >> Sent: Friday, April 10, 2009 12:57:20 PM >> Subject: RE: Storage Sprinkler >> >> He said it was solid pile. Is there a limit on clearance from top of >> storage for area density in 07? >> >> Ron Fletcher >> Aero Automatic Sprinkler >> 21605 N. Central Ave >> Phoenix, AZ 85024 >> P: 623.580.7836 >> F: 623.434.3420 >> C: 602.763.4160 >> >> -----Original Message----- >> From: sprinklerforum-boun...@firesprinkler.org >> [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Roland >> Huggins >> Sent: Friday, April 10, 2009 9:49 AM >> To: sprinklerforum@firesprinkler.org >> Subject: Re: Storage Sprinkler >> >> Listen to Steve but support it with the 2010 ROC. We did a lot of >> work to explicitly address excessive clearance for spray sprinklers >> in >> storage under section 12.1.3.4 currently titled Ceiling Heights >> (changed that too). The current criteria won't fly because it is >> limited to solid pile (as shown by the approach coming from the old >> NFPA 231) and Class I-IV in racks less than 25 ft (though that became >> clear only at the ROC). Section 12.1 kills using it for all >> storage. The option to put a barrier over the rack with sprinkler >> beneath them (tough option) was deleted. >> >> Roland >> >> On Apr 10, 2009, at 9:21 AM, Steve Leyton wrote: >> >>> In-racks baby! Sell sprinkers! >>> >>> Steve Leyton >>> Protection Design & Consulting >>> San Diego, CA >> >> _______________________________________________ >> Sprinklerforum mailing list >> http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum >> For Technical Assistance, send an email to: >> techsupp...@firesprinkler.org >> >> To Unsubscribe, send an email >> to:sprinklerforum-requ...@firesprinkler.org >> (Put the word unsubscribe in the subject field) >> >> _______________________________________________ >> Sprinklerforum mailing list >> http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum >> For Technical Assistance, send an email to: techsupp...@firesprinkler.org >> >> To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org >> (Put the word unsubscribe in the subject field) >> >> >> >> >> _______________________________________________ >> Sprinklerforum mailing list >> http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum >> For Technical Assistance, send an email to: techsupp...@firesprinkler.org >> >> To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org >> (Put the word unsubscribe in the subject field) >> > > _______________________________________________ > Sprinklerforum mailing list > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > For Technical Assistance, send an email to: techsupp...@firesprinkler.org > > To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org > (Put the word unsubscribe in the subject field) > > > > > _______________________________________________ > Sprinklerforum mailing list > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > For Technical Assistance, send an email to: techsupp...@firesprinkler.org > > To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org > (Put the word unsubscribe in the subject field) > _______________________________________________ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: techsupp...@firesprinkler.org To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org (Put the word unsubscribe in the subject field)
