And Roland strikes with the mailed fist again. On Mon, Apr 6, 2015 at 9:23 AM, Roland Huggins <[email protected]> wrote:
> It just became a NON-ISSUE. As you said, QR is required which is > explicitly forbidden above drop-out ceilings. Educate the architect and > ask what other bright ideas they have to ruin your day. > > Roland > > Roland Huggins, PE - VP Engineering > American Fire Sprinkler Assn. --- Fire Sprinklers Saves Lives > Dallas, TX > http://www.firesprinkler.org <http://www.firesprinkler.org/> > > > > > > > On Apr 6, 2015, at 9:13 AM, Travis Mack <[email protected]> wrote: > > > > This is getting crazier as it goes along. The building was originally > designed as light hazard and to be offices only on the lower level. Now > they want to bring in a restaurant. So, there are some issues with > ordinary hazard coming in to play. > > > > Also, these ceiling tiles will be above the restaurant seating area > which is light hazard, so we have to put QR in the area to be in compliance > with NFPA 13. The sprinkler contractor is trying to get them to forego the > idea of the drop out ceilings. It is still all in flux right now. > > > > Travis Mack, SET > > MFP Design, LLC > > 2508 E Lodgepole Drive > > Gilbert, AZ 85298 > > 480-505-9271 > > fax: 866-430-6107 > > email:[email protected] <mailto:[email protected]> > > > > http://www.mfpdesign.com <http://www.mfpdesign.com/> > > https://www.facebook.com/pages/MFP-Design-LLC/92218417692 < > https://www.facebook.com/pages/MFP-Design-LLC/92218417692> > > Send large files to us via: https://www.hightail.com/u/MFPDesign < > https://www.hightail.com/u/MFPDesign> > > > > On 4/6/2015 9:10 AM, Roland Huggins wrote: > >> I would not jump to the conclusion that you have to change to a higher > temp rating. Must confess, I’ve seen only one drop-out ceiling (well 80% > drop-out since 8 or 10 standard ceiling tiles had been installed long after > the initial installation) and this issue has never come up in the last 20 > years. > >> > >> Even at a slightly higher temp rating, the ceiling is still exposed > first and not sure how much heat gets past it before it drops out. Any > idea what's the ceiling RTI rating - lol. > >> > >> What does the manufacturer data sheet say? A quick search shows the UL > certification is based on SR sprinklers with a 165 F rating. > >> > >> A bigger first question is what is the occupancy classification so as > to ensure that SR sprinklers are acceptable. Can not use QR or EC above > these ceilings (13:8.15.15.2). > >> > >> Roland > >> > >> > >> Roland Huggins, PE - VP Engineering > >> American Fire Sprinkler Assn. --- Fire Sprinklers Saves Lives > >> Dallas, TX > >> http://www.firesprinkler.org <http://www.firesprinkler.org/> < > http://www.firesprinkler.org/ <http://www.firesprinkler.org/>> > >> > >> > >> > >> > >> > >>> On Apr 6, 2015, at 7:59 AM, Travis Mack <[email protected]> wrote: > >>> > >>> Is anyone running into these things lately? How are you handling them? > >>> > >>> I have never really been a fan of these things. A customer has a job > where the builder is wanting to use these tiles to eliminate the need for > sprinklers at the ceiling. We did the shell space and there are 155 degree > uprights at the deck. This is 1st floor of a 4 story building. > >>> > >>> The tiles are rated at 165f. The sprinklers will have to be changed to > 200F so the sprinklers will activate after the tiles fall. > >>> > >>> What is your thoughts on these things? > >>> > >>> Travis Mack, SET > >>> MFP Design, LLC > >>> "Follow" us on Facebook: > https://www.facebook.com/pages/MFP-Design-LLC/92218417692 > >>> Send large files to MFP Design via: > >>> https://www.hightail.com/u/MFPDesign > >>> > >>> Sent from my iPhone > >>> _______________________________________________ > >>> Sprinklerforum mailing list > >>> [email protected] > >>> > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > >> _______________________________________________ > >> Sprinklerforum mailing list > >> [email protected] <mailto: > [email protected]> > >> > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > < > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > > > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] <mailto: > [email protected]> > > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > < > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > -- Ron Greenman Instructor Fire Protection Engineering Technology Bates Technical College 1101 So. Yakima Ave. Tacoma, WA 98405 [email protected] http://www.bates.ctc.edu/fireprotection/ 253.680.7346 253.576.9700 (cell) Member: ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) A problem well stated is a problem half solved. -Charles F. Kettering, inventor and engineer (1876-1958) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
