Agree - the structure is the support. Restraints or chafing protectuion might be needed.
Thanks, John John August Denhardt, PE *Vice President, Engineering and Technical Services* *American Fire Sprinkler Association* m: p: 301-343-1457 214-349-5965 ext 121 w: firesprinkler.org <https://www.facebook.com/firesprinkler.org/> <https://twitter.com/afsa/status/1039528345367732224> <https://www.linkedin.com/company/american-fire-sprinkler-association-afsa-/> <https://www.instagram.com/firesprinklerorg/> *Our members are at the heart of everything we do.* *AFSA Summer Sale!* For a limited time only, AFSA is offering members up to 50% off its on-demand recorded webinars! Featuring the most sought-after thought leaders, AFSA On-Demand offers a superior learning experience with ability to earn CEU and CPD credits anytime, anywhere. Visit http://www.firesprinkler.org/ondemand to learn more. On Wed, Sep 30, 2020 at 9:50 AM Matthew J Willis via Sprinklerforum < [email protected]> wrote: > No, but they do require bushings or some sort of other method to prevent > chafing. > > Assuming round holes and no side to side movement expected. > > R/ > Matt > > -----Original Message----- > From: Sprinklerforum <[email protected]> On > Behalf Of Mike Hairfield via Sprinklerforum > Sent: Wednesday, September 30, 2020 6:39 AM > To: Sprinkler Forum <[email protected]> > Cc: Mike Hairfield <[email protected]> > Subject: Hangers for CPVC Pipe going through TGI Joists > > The TGI Joists are spaced 16" apart, does NFPA-13 require hangers on the > CPVC pipe since the TGI joists are supporting the pipe? > > Mike > _______________________________________________ > 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
