I was hoping to see some conversation on this. I think yes, you need it, regardless, and remember I'm the guy last week that argued ad nauseum that an AMD per riser on multi-riser systems was an unnecessary expense and not required, except in special cases. And know that conversation went through the weekend privately with several people, so I'm not one to necessarily just jump onto a popular reading of NFPA.
On Wed, Nov 16, 2011 at 12:47 PM, Morey, Mike <[email protected]> wrote: > My NFPA 13 2010 handbook is a little vague on the subject, when an > automatic air maintenance device is installed in the system, does that > supercede the requirements of 7.2.6.4 to install a relief valve? The > explanitory text seems to suggest that the items under the heading 7.2.6.3 > Air supply connections are requirements for a non automatic air supply, and > that the requirements starting at 7.2.6.5 are for automatic air supply. My > reading doesn't show me any exceptions or redirects in the enforceable > language to suggest you really can omit the pressure relief, but the > explanitory text seems to indicate you can, and eliminating it does seem > more or less reasonable, though most of our valves come pre trimmed with a > pressure relief, we're running into issues re-configuring for nitrogen > generation systems where we have to remove some of the trim and my guys > removed the relief valves as well, I just want to see if we need to > reinstall them or not. > > Mike Morey, SET, CFPS > Sprinkler Designer > BMW Constructors, Inc. > O: 317.651.0596 | C: 317.586.8111 > www.bmwc.com > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20111116/af07e7d5/attachment.html > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > -- Ron Greenman Instructor Fire Protection Engineering Technology Bates Technical College 1101 So. Yakima Ave. Tacoma, WA 98405 [email protected] http://www.bates.ctc.edu/fireprotection/ 253.680.7346 253.576.9700 (cell) Member: ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20111116/30b8fdd0/attachment.html> _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
