Whether in #13 or the IFC, the specific always takes precedence to the general.
Best. Bruce Verhei > On Jan 25, 2018, at 11:45, Matt Grise <[email protected]> wrote: > > I agree with craig - group A plastic or not... there is specific guidance for > tires for a reason. It is similar to the difference between a Class 3 > commodity and Idle Pallet Storage or Expanded/Unexpanded plastics... Pile > storage vs rack storage. Fire testing has shown that the product form and > storage arrangement is very important. Just because it is a certain material > does not mean it will burn the same way. > > Matt > > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of [email protected] > Sent: Thursday, January 25, 2018 1:38 PM > To: [email protected] > Subject: Re: Rubber Tire Storage > > Tires are hard to get lit and therefore hard to put out once you do (thermal > inertia). > Maybe the reason for the separate standard, more than the material > composition, is the expected fire growth/decline rate, decline whether > sprinklered or not. > I read somewhere years ago with a tire storage fire it might reach a point > where the best thing to do would be hop on a fork truck and haul them out to > the yard and let them go for a day or two! > > Brad > > Quoting "Prahl, Craig/GVL" <[email protected]>: > >> If you were dealing with purely synthetic rubber in slabs that would >> be a whole different story. But a slab of rubber is different than a >> tire. >> >> >> Craig L. Prahl >> Fire Protection Group Lead/SME >> JACOBS - CH2M >> 200 Verdae Blvd. >> Greenville, SC 29607 >> Direct - 864.920.7540 >> Fax - 864.920.7129 >> CH2MHILL Extension 77540 >> [email protected] >> >> >> From: Sprinklerforum >> [mailto:[email protected]] On Behalf Of >> John Paulsen >> Sent: Thursday, January 25, 2018 1:30 PM >> To: [email protected] >> Subject: RE: Rubber Tire Storage [EXTERNAL] >> >> James: >> >> He doesn't think NFPA-13, Chapter 18 applies? I understand his >> confusion, the commodities definitions do reference synthetic rubber >> as a Group A Plastic, but it doesn't specifically reference tires in >> the definitions.... >> >> John Paulsen - SET >> Crown Fire System Design >> 6282 Seeds Rd. >> Grove City, OH 43123 >> P - 614-782-2438 >> F - 614-782-2374 >> C - 614-348-8206 >> >> >> >> From: Sprinklerforum >> [mailto:[email protected]] On Behalf Of >> James Crawford >> Sent: Thursday, January 25, 2018 12:56 PM >> To: >> [email protected]<mailto:[email protected]> >> Subject: Rubber Tire Storage >> >> NFPA #13 (2013) is my reference. >> >> I have an AHJ that is telling me that Rubber Tires are classified as >> a Group "A" plastic for the purpose of commodity classifications. >> >> I have informed him that Rubber Tires are a commodity classification >> on their own, but he disagrees, he says there are a synthetic rubber >> so are a Group "A" plastic. >> >> I have shown him the Table A5.6.3 for Commodity classifications in >> NFPA #13 where rubber tires are not mentioned and chapter 18 that >> deals with Rubber Tire storage but he still disagrees. >> >> Any suggestions? >> >> >> Thank you >> >> >> James Crawford >> Phaser Fire Protection Ltd. >> Phone 604-888-0318 >> Fax 604-888-4732 >> Cel 604-790-0938 >> Email [email protected]<mailto:[email protected]> >> Web www.phaserfire.ca<http://www.phaserfire.ca> > > > > _______________________________________________ > 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
