UL listed for the ceiling grid. That should more than suffice.
On Wed, May 30, 2018 at 10:59 AM, Richard Mote <[email protected]> wrote: > I have a AHJ that is questioning the use of Flex Drops especially the > Victaulic ones. He says that they are so flexible that when a sprinkler > goes off the jet effect is going to lift the sprinkler up through the > ceiling. I told him that the drops are mechanically attached to the ceiling > grid and in order to lift up they would have to lift the entire weight of > the ceiling grid, ceiling tiles, the lights and HVAC diffusers. His answer > prove, it either by letter from the manufacturer or from someone a lot > higher up the food chain than either he or I am. Or something specific > in NFPA 13 that says he is wrong. > > > *Richard Mote* > > *Design Manager* > > *[image: http://www.rowesprinkler.com/emailsig/Email_Sig_Logo.jpg]* > > *W:* 877.324.ROWE · *F:* 570.837.6335 > > PO Box 407 · 7993 US Route 522, Suite 1 · Middleburg, PA 17842 > > 505 A Cornerstone Court · Hillsborough, NC 27278 > > *RoweSprinkler.com *· > *[email protected]* > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler. > org > >
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