I think it is still combustible within the concealed space as the top and bottom chords are solid wood members... might still be able to omit sprinklers if one of the scenarios in the installation chapter applies.
Kevin Hall, M.Eng., P.E., ET, CWBSP, PMSFPE *Sr. Manager, Engineering and Technical Services* *American Fire Sprinkler Association* p: 214-349-5971 w: firesprinkler.org *Treat Your Apprentices Like VIPs!* AFSA’s Virtual Instruction Program (VIP) for Apprentices is training that comes straight from our expert instructors. They lead the way to ensure your men and women are trained, letting you focus on OJT. Click here <https://www.firesprinkler.org/sprinkler-apprentice-training/> to learn more and enroll. On Tue, Jan 16, 2024 at 1:15 PM Steve Leyton <[email protected]> wrote: > I believe that two layers of the Type X make the space between the > presumably non-combustible ceiling and the sheetrock a non-combustible > concealed space. > > > Steve Leyton > > (Sent from my smartphone; please excuse typos and voice-to-text > corruptions.) > > > > -------- Original message -------- > From: "George Medina Jr." <[email protected]> > Date: 1/16/24 10:12 AM (GMT-08:00) > To: Discussion List On Issues Relating To Automatic Fire Sprinklers < > [email protected]> > Subject: [Sprinklerforum] Concealed Spaces Not Requiring Sprinkler > Protection > > There is a one hour floor assembly which consist of 22" Red-S joist (Wood > Chords with Tube Bars) with 2 layers of type x gypsum board on channels > below joist. Could it be considered limited combustible construction inside > the bar joist? Or am I just grasping for straws, and it needs sprinklers. > > Thanks For any replies, > > George Medina Jr. > > > _________________________________________________________ > SprinklerForum mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to > [email protected]
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