Possibly an outdated specification. I have not heard of any issues with properly installed listed C-clamps.
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, Aug 26, 2020 at 1:50 PM Jerry Van Kolken via Sprinklerforum < sprinklerforum@lists.firesprinkler.org> wrote: > Does anyone know the reasoning Why you would not be allowed to use C-Clamps > for your hanger attachments? > > > > I've had a couple of specs have this requirement pass by my desk recently. > > > > Jerry Van Kolken > > Millennium Fire Protection Corp. > > 2950 San Luis Rey Rd. > > Oceanside, CA 92058 > > (760) 722-2722 FX 722-2730 > > > > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@lists.firesprinkler.org > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
