Pay particular attention to 1.5.1. NFPA-13
1.5 Equivalency. Nothing in this standard is intended to prevent the use of systems, methods, or devices of equivalent or superior quality, strength, fire resistance, effectiveness, durability, and safety over those prescribed by this standard. 1.5.1 Technical documentation shall be submitted to the authority having jurisdiction to demonstrate equivalency. 1.5.2 The system, method, or device shall be approved for the intended purpose by the authority having jurisdiction. John Drucker, CET Fire Protection Subcode Official Fire / Building / Electrical Inspector New Jersey -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Forest Wilson Fire Sprinkler Comtractor Sent: Tuesday, November 5, 2013 11:49 AM To: [email protected] Subject: RE: Head Guards The best practice would be to submit the product sheets to the AHJ and ask for a variance to install the head guards. If he attaches them to the plywood then that's part of the ceiling and not part of the head though. And that affects the 18" clearance rule. Sent from my Galaxy S®III -------- Original message -------- From: Gregory Lindholm <[email protected]> Date: 11/05/2013 11:33 AM (GMT-05:00) To: [email protected] Subject: RE: Head Guards Yes John, that is the way I remembered it. Thanks > From: [email protected] > To: [email protected] > Subject: RE: Head Guards > Date: Tue, 5 Nov 2013 16:07:34 +0000 > > My educated guess is that there are no listed sprinkler guards for > semi-recessed sprinklers. NFPA 13 requires the guard to be listed with the > specific sprinkler. > > Bottom line - not available if you want to comply with NFPA 13. > > John August Denhardt, P.E., FSFPE > Strickland Fire Protection Incorporated > 5113 Berwyn Road > College Park, Maryland 20740 > Office Telephone Number: 301-474-1136 > Mobile Telephone Number: 301-343-1457 > FIRE SPRINKLERS SAVE LIVES - Can you live without them? > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Jamey > Prentice > Sent: Tuesday, November 05, 2013 11:02 AM > To: [email protected] > Subject: Re: Head Guards > > FPPI no idea on listing though > > From: Gregory Lindholm > Sent: Tuesday, November 5, 2013 10:58 AM > To: SprinklerFORUM > Reply To: [email protected] > Subject: Head Guards > > > I think that this was discussed before, but are there any head guards > available for semi-recessed heads? > I do not think that there are, but I have a customer that is looking for even > something that he could screw to the plywood ceiling that the heads are > coming through. (This is in an ice arena locker room.) > Greg Lindholm > _______________________________________________ > 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 _______________________________________________ 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
