In Virginia we use the 2010 edition
> From: [email protected] > To: [email protected] > Subject: RE: ESFR Sprinklers and covered catwalks > Date: Fri, 30 Oct 2015 18:35:08 +0000 > > 2013 & 2016 editions no longer require calculating 2 additional ESFR's under > obstructions. > > Peter Schwab > VP of Purchasing and Engineering technologies > > Wayne Automatic Fire Sprinklers Inc. > 222 Capitol Court > Ocoee, Fl 34761 > > Mobile: (407) 468-8248 > Direct: (407) 877-5570 > Fax: (407) 656-8026 > > www.waynefire.com > > > > > > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of Mike Hairfield > Sent: Friday, October 30, 2015 2:24 PM > To: [email protected] > Subject: RE: ESFR Sprinklers and covered catwalks > > Put ESFR's under the catwalk and include two (2) additional ESFR's in the > calc's total of fourteen heads flowing. > Just like it's an obstruction. > > Mike > > > From: [email protected] > > To: [email protected] > > Subject: RE: ESFR Sprinklers and covered catwalks > > Date: Fri, 30 Oct 2015 18:16:25 +0000 > > > > The situation I was dealing with is not a rack. It is a shelf - solid > > back, solid shelves, solid ends. It is not likely to get a full scale test > > for a not-all-that-common setup. Or maybe it is more common than I think. > > > > John F. Hoffman, PE* \ Burns & McDonnell Senior Fire Protection > > Engineer O 816-349-6759 \ M 816-255-4102 [email protected] \ > > burnsmcd.com > > 9400 Ward Parkway \ Kansas City, MO 64114 > > > > Proud to be one of FORTUNE's 100 Best Companies to Work For Please > > consider the environment before printing this email. > > *Registered in: MO > > > > -----Original Message----- > > From: Sprinklerforum > > [mailto:[email protected]] On Behalf Of > > Scott Futrell > > Sent: Thursday, October 29, 2015 4:36 PM > > To: [email protected] > > Subject: RE: ESFR Sprinklers and covered catwalks > > > > Hmmm...John that is interesting direction you are giving there. > > > > Do you have NFPA 13 or full-scale testing to support the "ESFR could spray > > below the catwalk" comment? Or, that OH2 below the catwalk will not allow > > the fire to grow horizontally along the racking overwhelming the ESFR above? > > > > If the catwalk doesn't extend through the rack how can you protect a 30' > > high (or pick a height) rack storage with QR sprinklers below the catwalk > > level and ESFR above the catwalk level when it's all the same rack storage > > from the ground up with flue spaces open and continuous to the roof. I > > must be missing something here. > > > > I assume the direction of the catwalk would/could enter into the scenario, > > but I would like to see your support for the comments you've made here, and > > if you have that support great! > > > > Scott > > > > Office: (763) 425-1001 x 2 > > Cell: (612) 759-5556 > > > > > > -----Original Message----- > > From: Sprinklerforum > > [mailto:[email protected]] On Behalf Of > > John F Hoffman > > Sent: Thursday, October 29, 2015 4:14 PM > > To: [email protected] > > Subject: RE: ESFR Sprinklers and covered catwalks > > > > If the roof-level ESFR could spray below the catwalk (assuming open > > grating) you would not need the sprinklers under the catwalk. But, as > > mentioned before, you are forced to put a cover on the grating so should be > > able to install whatever sprinklers can deal with the hazard under the > > grating. > > > > Class IV shelf storage up to 12 feet high can be protected with OH2. Even > > plastic shelf storage only requires EH1 or EH2 depending on height. ESFR > > is overkill. > > > > John F. Hoffman, PE* \ Burns & McDonnell Senior Fire Protection > > Engineer O 816-349-6759 \ M 816-255-4102 [email protected] \ > > burnsmcd.com > > 9400 Ward Parkway \ Kansas City, MO 64114 > > > > Proud to be one of FORTUNE's 100 Best Companies to Work For Please consider > > the environment before printing this email. > > *Registered in: MO > > > > > > > > > > > > _______________________________________________ > > 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
