I think it comes down to if the street elbows are made according to the appropriate ASTM standard from Table 6.4.1. In your defense, 6.4.6.1 states that unless circumstances exist where hex bushings are allowed, one piece reducer fittings shall be used for a change in pipe size.
Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT www.fpdc.com 860-535-2080 (ofc) > On Jan 17, 2014, at 3:43 PM, "Morey, Mike" <[email protected]> wrote: > > So I seem to remember this being a "no-no" but the code doesn't seem to > explicitly prohibit us from using them. I have a tight squeeze where a 1" > male x female "street" elbow would be helpful, but I want to make sure I'm > not missing something in 13 that prohibits it, we use the 2010 edition. > > > Mike Morey, CFPS, SET > Planner Scheduler/Designer > BMWC Constructors, Inc. > 1740 W. Michigan St, Indianapolis, IN 46222 > O: 317.651.0596 | C: 317.586.8111 > [email protected]<mailto:[email protected]> | www.bmwc.com<http://www.bmwc.com/> > _______________________________________________ > 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
