Brad,
They are 54" in diameter, building is 40' high, diffusers are approximately at 34' AFF, 4 round trunk lines at 37' AFF, HVAC system was hooked up to the fire alarm system. Mike > From: [email protected] > Subject: Re: Round Ceiling Diffusers > Date: Wed, 18 Jun 2014 05:15:01 -0500 > To: [email protected] > > Mike, I have already tracked enough mud on this thread but I'm curious about > the HVAC system itself- if you would, 1) supply diffusers? 2) hooked up to > fire alarm system? 3) spacing? 4) distance down from roof deck? > A big difference in FDS ver.5 and ver.6 is the addition of HVAC functionality > so I am really into the interaction of those systems with with the sprinklers > (at home nights and weekends of course). Thanks, Brad. > > > On Jun 18, 2014, at 4:15 AM, Mike Hairfield <[email protected]> wrote: > > > > Just finished installing them under 25 of them on a B & M project. > > > > > > > > Mike > > > > > >> From: [email protected] > >> To: [email protected] > >> Date: Tue, 17 Jun 2014 18:54:35 -0500 > >> Subject: RE: Round Ceiling Diffusers > >> > >> Seems so, they cover 50% more area than a 4' x 4' square and that wouldn't > >> be a question. > >> > >> Chris Cahill, PE* > >> Associate Fire Protection Engineer > >> Burns & McDonnell > >> Phone: 952.656.3652 > >> Fax: 952.229.2923 > >> [email protected] > >> www.burnsmcd.com > >> *Registered in: MN > >> > >> > >> Proud to be #14 on FORTUNE's 2014 List of 100 Best Companies to Work For > >> > >> > >> > >> > >> > >> -----Original Message----- > >> From: Sprinklerforum > >> [mailto:[email protected]] On Behalf Of > >> Thomas Reinhardt > >> Sent: Tuesday, June 17, 2014 6:50 PM > >> To: [email protected] > >> Subject: Round Ceiling Diffusers > >> > >> Question for the group. I have a large industrial warehouse fully > >> sprinklered. There are numerous round ceiling diffusers that are > >> approximately 5 and half foot diameter. Does the 4 foot rule apply. Do > >> they need sprinklers underneath. Thanks > >> > >> IMPORTANT NOTICE: This e-mail message is intended to be received only by > >> persons entitled to receive the confidential information it may contain. > >> E-mail messages may contain information that is confidential and legally > >> privileged. Please do not read, copy, forward, or store this message > >> unless you are an intended recipient of it. If you have received this > >> message in error, please forward it to the sender and delete it completely > >> from your computer system. > >> _______________________________________________ > >> 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
