Sorry typed that out wrong " Drops and armovers shall NOT require restraint."
<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon> Virus-free. www.avast.com <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> On Tue, Mar 2, 2021 at 11:34 AM J H <[email protected]> wrote: > I do a fair amount of work in seismic areas and drops were never an issue. > 9.3.6.7 in the 2013 edition seems to corroborate that. > "Drops and armovers shall require restraint". We do include them in the > ZOI calculations though. > > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon> > Virus-free. > www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link> > <#m_-3296756546440371397_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > > On Tue, Mar 2, 2021 at 10:39 AM Kyle.Montgomery via Sprinklerforum < > [email protected]> wrote: > >> When installing a CPVC system in a seismic area (area where seismic >> bracing is required) are there any special considerations needed for the >> drops to sprinkler heads? In the past, with steel pipe systems we've often >> utilized flexible sprinkler connections to avoid any concern about >> differential movement between the ceiling and the overhead structure and >> bracing of the ceiling. I've also seen oversized escutcheons spec'd for the >> same reason. Do you need to do something similar with CPVC systems, or can >> you just drop to the head with CPVC pipe and a standard-sized escutcheon? >> >> The particular project I'm looking at is in Ontario, California, if that >> helps. >> >> I appreciate any input. >> >> -Kyle M >> _______________________________________________ >> 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
