That was my first thought. No 286F ESFR sprinklers. Travis Mack, CFPS, CWBSP, RME-G, SET 480-505-9271 MFP Design, LLC www.mfpdesign,com Send large files to MFP Design via: https://www.hightail.com/u/MFPDesign
Sent from my iPhone > On Aug 20, 2019, at 7:47 AM, Kyle.Montgomery via Sprinklerforum > <[email protected]> wrote: > > Also, how are you complying with the temperature rating when you are that > close to a unit heater? Are they making any high temperature ESFRs yet? > > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of Kyle.Montgomery via Sprinklerforum > Sent: Tuesday, August 20, 2019 7:40 AM > To: [email protected] > Cc: Kyle.Montgomery <[email protected]>; Ed Kramer > <[email protected]> > Subject: RE: [EXTERNAL] ESFR's and unit heaters > > I’m looking at the code again, and you may be right. But I always thought > that an obstruction that close to the sprinkler (could you quantify “just > below the ESFR deflectors”) would have to meet the rules for “Obstruction at > or Near Ceiling”, 8.12.5.1. > > Are we saying that 8.12.5.1 only applies if the obstruction extends above the > deflector? I thought that anything in that 0”-31” below the deflector range > (shown in Table 8.12.5.1.1) was considered “at or near the ceiling”. > > Kyle Montgomery > <image001.png> > Aero Automatic Sprinkler Co. > 21605 N. Central Ave. > Phoenix, AZ 85024 > Direct: 623.580.7820 > Cell: 602.763.4736 > [email protected] > > > > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of Ed Kramer via Sprinklerforum > Sent: Tuesday, August 20, 2019 6:23 AM > To: [email protected] > Cc: Ed Kramer <[email protected]> > Subject: [EXTERNAL] ESFR's and unit heaters > > I’m looking for a bit of a reality check this morning. Got an ESFR > sprinkler system and unit heaters. In plan view, the heaters are 21” by 40”. > Top of the heaters will be just below the ESFR deflectors, and they will be > located at least 1’ horizontally from the ESFR sprinklers. It appears that > NFPA 13 (2013) section 8.12.5.2 applies. > > Subsection (2) reads: “Additional sprinklers shall not be required where the > obstruction is 2 ft or less in width and the sprinkler is located > horizontally 1 ft or greater from the nearest edge of the obstruction.” > > Since the heater is 2’ or less in its smaller dimension (width), does it > matter that the other dimension (length) is greater than 2’? I say the > length is not relevant (unless its long enough to obstruct more than 1 > sprinkler, then section 8.12.5.3 applies), and subsection (2) allows me to > not install a sprinkler below these heaters. > > How do the rest of you interpret this? > > Thanks > Ed Kramer > Bamford Fire > _______________________________________________ > 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
