Todd, the commentary in section A9.2.1.3 explains the structure only has to support the actual weight of the sprinkler system.
Ed Kramer Littleton, CO > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:sprinklerforum- > [EMAIL PROTECTED] On Behalf Of Todd Williams - FPDC > Sent: Friday, July 25, 2008 12:40 PM > To: [email protected] > Subject: beam strength for hangers > > NFPA 13 (2002) 9.1.1.2(1) states that "Hangers shall be designed to > support five times the weight of water-filled pipe plus 250 lb at > each point of piping support." Does this mean the hanger assembly > only, or does make it incumbent on the structural steel to actually > support this load as well? For a 10 ft piece of 4" sch 10, this would > equate to a point load of 839 pounds. We have to get some information > to a CE to figure out how to hang a system. > > Todd G. Williams, PE > Fire Protection Design/Consulting > Stonington, Connecticut > www.fpdc.com > 860.535.2080 > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > To Unsubscribe, send an email to:Sprinklerforum- > [EMAIL PROTECTED] > (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
