That is a great reason why you want to get your system water tight asap. When a soaked worker comes out of the closet with a soldering torch and a story about a sprinkler that "went off for no reason" - you will have a heads up before you spend hours trying to find an open outlet.
Matt -----Original Message----- From: Sprinklerforum <[email protected]> On Behalf Of BRUCE VERHEI via Sprinklerforum Sent: Thursday, July 01, 2021 2:52 PM To: [email protected] Cc: BRUCE VERHEI <[email protected]>; Dane Long <[email protected]>; Larrimer, Peter A (HEFP\19HEF) <[email protected]> Subject: RE: [EXTERNAL] RE: Closets and Clearance from Deflector to Storage From an old fire guys perspective I’d be more concerned with accidental head breakage than water dispersal. Best. > On 07/01/2021 3:01 PM Larrimer, Peter A (HEFP\19HEF) via Sprinklerforum > <[email protected]> wrote: > > > Thanks for that clarification. I missed that. > > Pete > > -----Original Message----- > From: Sprinklerforum <[email protected]> > On Behalf Of Dane Long via Sprinklerforum > Sent: Thursday, July 1, 2021 12:51 PM > To: [email protected] > Cc: Dane Long <[email protected]>; Larrimer, Peter A (HEFP\19HEF) > <[email protected]> > Subject: [EXTERNAL] RE: Closets and Clearance from Deflector to > Storage > > Peter, > > One thing to emphasize is that it says 400ft3 not ft2. So, the thought is if > you have mechanical equipment like a furnace, you're not really going to have > much room to store anything in this closet. An example would be a closet with > an 8ft. ceiling can only be 7ftx7ft. This is 49sqft or 392ft3. > Your minimum discharge is going to automatically be the 7psi, so you're going > to be flooding the closet anyway. > > Thanks, > > > > > > > Dane Long, AET > Engineering Technician | Bamford Fire Sprinkler Co., Inc. > P: 785.825.7710 > F: 785.825.0667 > A: 1383 W. North Street Salina, KS 67401 > > > > -----Original Message----- > From: Sprinklerforum <[email protected]> > On Behalf Of Larrimer, Peter A (HEFP\19HEF) via Sprinklerforum > Sent: Thursday, July 1, 2021 10:36 AM > To: [email protected] > Cc: Larrimer, Peter A (HEFP\19HEF) <[email protected]> > Subject: Closets and Clearance from Deflector to Storage > > NFPA 13 (2019 edition) states the following in two sections: > > 9.5.5.4 Closets. In all closets and compartments, including those closets > housing mechanical equipment, that are not larger than 400 ft3 (11 m3) in > size, a single sprinkler at the highest ceiling level shall be sufficient > without regard to obstructions or minimum distance to the wall. > 9.5.6 Clearance from Deflector to Storage. > 9.5.6.1* Unless the requirements of 9.5.6.2, 9.5.6.3, 9.5.6.4, or > 9.5.6.5 are met, the clearance between the deflector and the top of storage > or contents of the room shall be 18 in. (450 mm) or greater. > > Section 9.5.5.4 states "....a single sprinkler at the highest ceiling > level shall be sufficient without regard to obstructions or minimum > distance to the wall." Does 9.5.5.4 allow a sprinkler to be less than > 18 inches from the storage in a closet? Section 9.5.6.1 does not > specifically say that > 9.5.5.4 is an exception to the 18 inch storage clearance requirement. > > However, if the storage less than 18 inches from the deflector is considered > an "obstruction", then it would seem that 9.5.5.4 would allow storage that is > less than 18 inches from the sprinkler deflector in a closet. > > Thanks in advance. > > Pete > Dept of VA > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists > .firesprinkler.org%2Flistinfo.cgi%2Fsprinklerforum-firesprinkler.org&a > mp;data=04%7C01%7C%7C171fd521855d42ea5bbf08d93cb07d43%7Ce95f1b23abaf45 > ee821db7ab251ab3bf%7C0%7C0%7C637607551271236540%7CUnknown%7CTWFpbGZsb3 > d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7 > C3000&sdata=W3YDQ67bNbkjs1e471XyWxEEvY5bleyBqDOI5FjJ9ak%3D&res > erved=0 > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists > .firesprinkler.org%2Flistinfo.cgi%2Fsprinklerforum-firesprinkler.org&a > mp;data=04%7C01%7C%7C171fd521855d42ea5bbf08d93cb07d43%7Ce95f1b23abaf45 > ee821db7ab251ab3bf%7C0%7C0%7C637607551271236540%7CUnknown%7CTWFpbGZsb3 > d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7 > C3000&sdata=W3YDQ67bNbkjs1e471XyWxEEvY5bleyBqDOI5FjJ9ak%3D&res > erved=0 _______________________________________________ > Sprinklerforum mailing list > [email protected] > https://linkprotect.cudasvc.com/url?a=http%3a%2f%2flists.firesprinkler > .org%2flistinfo.cgi%2fsprinklerforum-firesprinkler.org&c=E,1,erCvG8NFI > RKPx1FGM-u52cSaMbeXKr9pA3uPTzUI4t4G_zQAMSbpr3W89ckLiPP_P8EB8MBMy0n4uHR > ge6Hr0Rk08y8YKrCH5sVZ4OSB2VBIP0_LlGWMb-ECH-s,&typo=1 _______________________________________________ Sprinklerforum mailing list [email protected] https://linkprotect.cudasvc.com/url?a=http%3a%2f%2flists.firesprinkler.org%2flistinfo.cgi%2fsprinklerforum-firesprinkler.org&c=E,1,Rtaz7xhDjw7hznfEHDCyEIB8st_oAylFqgd3uN6v9qEImsjHMzfR5Se0Rww1NP4hvJpOAK1_X52Ut4ItoI6SH_usAXNVdASupU5hSXs0KxlaKgfkttZjcUPxh9I,&typo=1 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
