Are they referring to the exposed barrel length for dry heads in freezers?
Craig D. Hanson, CFPS Fire Division Manager West Coast Code Consultants, Inc. (WC³) Meridian Satellite Office *C:* 253.225.9977 | *E:* [email protected] | www.WC-3.com <https://www.wc-3.com/> *Teaming With Your Community to Make a Difference* On Thu, Sep 28, 2023 at 3:56 PM Brian Harris <[email protected]> wrote: > Ken- > Thanks and will do. > > Sent from my iPhone > > On Sep 28, 2023, at 5:31 PM, Ken Wagoner <[email protected]> > wrote: > > And I will be very interested to find what "code" they're referring to. > > I submit that if one is to consider the spray foam insulation as > unobstructed as defined by -13, then the deflector position relative to the > bottom level of the foam is required to be between 1" and 12" per > 10.2.6.1.1 ('22 edition). > > If the bottom of the insulation is to be considered as obstructed, or the > foam is between members which are obstructed, then the deflector must be 1" > to 6" below the member, but no greater than 22" down from the ceiling/roof > deck above, per 10.2.6.1.2 ('22 again). > > I can't wait to learn the rationale behind such a requirement. > > In short, remember my oft repeated mantra, whenever someone pops up with > something like this: Prove it. > > keep the forum informed, ok? > *Ken Wagoner, SET* > > > *Parsley Consulting 500 West Mechanic Street Harrisonville, Missouri > 64701-2235* > *Phone: (760) 745-6181 * > *Visit the website > <https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fwww.parsleyconsulting.com%2f&c=E,1,Y5zKJKPEh1mBEBqSR-VE9cUKl5y-eyP8BpvmE_5j9ZqW2eJbNphYzrCMBZ-2YuX6d-RRkHI4gQ1FV-cvOeCfRC58uZS9NiToZv2mx7909oCqLvCW_n5hDHeK&typo=1>* > On 9/28/2023 2:12 PM, Brian Harris wrote: > > The AHJ is supposed to be providing the “code” where this came from. > Should be interesting. > > > > *Brian Harris, CET* > > BVS Systems Inc. > > bvssytemsinc.com <http://bvssystemsinc.com/> > > > > > > *From:* Eric Rieve <[email protected]> <[email protected]> > *Sent:* Thursday, September 28, 2023 2:54 PM > *To:* Discussion list on issues relating to automatic fire sprinklers > <[email protected]> > <[email protected]> > *Subject:* [Sprinklerforum] Re: Spray Foam Insulation > > > > Funny enough I was told the same a few years ago. His reasoning was that > the uneven nature of the foam application could cause obstructions that > weren’t readily apparent so extra clearance was warranted. > > > > *From:* Brian Harris <[email protected]> > *Sent:* Thursday, September 28, 2023 2:48 PM > *To:* [email protected] > *Subject:* [Sprinklerforum] Spray Foam Insulation > > > > Anybody ever have an AHJ say you need 4” clearance from the bottom of > spray insulation to the deflector? > > > > *Brian Harris, CET* > > BVS Systems Inc. > > bvssystemsinc.com > <https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fbvssystemsinc.com%2f&c=E,1,wo5wYVtpGosaBntgPq_5rudqm8ADj3XpDv10H3ACDcs2pNvWgifdhkbEDh5cNdO54rGdJmuywOvI-uxu4wi0CjpghGrXuaIGLLlPSAjRPh_ujRUBa-eEnA,,&typo=1> > > Phone: 704.896.9989 > > Fax: 704.896.1935 > > > > > > _________________________________________________________ > SprinklerForum mailing > list:https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to [email protected] > > > > _________________________________________________________ > SprinklerForum mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to > [email protected] > > > _________________________________________________________ > SprinklerForum mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to > [email protected]
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