Doesn't NFPA 14 require standpipe isolation valves? How can you individually isolate the standpipes in the scenario you describe. The valve that controls #1 would also control #2&3. That doesn't seem to correlate with a requirement to be able to individually isolate each standpipe.
Travis Mack, SET MFP Design, LLC "Follow" us on Facebook: https://www.facebook.com/pages/MFP-Design-LLC/92218417692 Send large files to MFP Design via: https://www.hightail.com/u/MFPDesign Sent from my iPhone > On Aug 21, 2015, at 6:47 AM, Justin Petcosky <[email protected]> > wrote: > > We have an engineer on a project that wants to run 2- Manuel wet standpipes > off the 1st floor sprinkler zone (which is supplied by a combination riser / > standpipe). So another words the combination riser comes from the basement of > the building which supplies the sprinkler zones. Then off the first floor > sprinkler zone the engineer wants to pick up two additional stairwells. I > know this isn't standard practice but please point me in the right direction > in NFPA 14. > > > > > Justin Petcosky > Vice President > Petcosky and Sons > Plumbing, HVAC and Fire Protection > 421 Commerce Rd. > Vestal, NY 13850 > www.petcosky-sons.com<http://www.petcosky-sons.com/> > 607-797-0160 Ext.105 > [logo1] > > > _______________________________________________ > 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
