Just a question. Do all hanger materials need to be listed or do certain types fall under that typically used category like some of the common pipe types? I ask because those split types were very common for a long, long time.
On Tue, Oct 12, 2010 at 7:47 AM, ParsleyConsulting <[email protected]> wrote: > Thomas, > > Figure A.9.1.1 in the '10 edition of -13 clearly shows a "split ring" hanger > as a type of an "acceptable hanger", so my first thought is that if the > rings themselves were listed, as they were required to be, you met the > criteria established by the standard. > > A quick look at two manufacturers catalog data showed neither had a listed > split ring. > > Just my thoughts. > -- > PARSLEY CONSULTING > Ken Wagoner, SET > 760.745.6181 voice > 760.745.0537 fax > [email protected] <mailto:[email protected]> e-mail > www.ParsleyConsulting.com <http://www.ParsleyConsulting.com> website > > > IMPORTANT NOTICE: This correspondence is not a Formal Interpretation issued > pursuant to NFPA Regulations. Any opinion expressed is the personal opinion > of the author and does not necessarily represent the official position of > the NFPA or its Technical Committees. In addition, this correspondence is > neither intended, nor should it be relied upon, to provide professional > consultation or services. > > > 10/12/2010 6:30 AM, Thomas Watt wrote: >> >> I was driving down the highway the other day when I passed a job I did >> about 4 or 5 years ago, a dry system (4"main w/2" branch lines) over a >> covered play area outside an elementary school. I had some reservations at >> the time but was told to follow the plan with the materials provided. What >> I >> was concerned with at the time was installing Sammy screws vertically into >> boxed steel beams with no way to reach a back nut to install it. I had to >> drill pilot holes and oil the threads to help keep the Sammys from >> breaking >> off. >> The other problem I did not realize at the time but have become aware >> of >> through my parasitic leaching from this remakably informative discussion >> group. Other than the 4" rings on the main, all of the hangers are the >> split-ring type. I remember reading here that they do not meet the >> requirements of NFPA 13 for hanging pipe. >> Call me paranoid but I think that this system could fall given the >> right >> set of circumstances. Remember, this system hangs above small children at >> play. Am I obligated to inform the AHJ or some other entity? >> >> Thomas Watt >> A parasite/fitter/foreman (laid-off again) >> Orlando, Florida >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum >> >> For Technical Assistance, send an email to: [email protected] >> >> To Unsubscribe, send an email to:[email protected] >> (Put the word unsubscribe in the subject field) >> > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > -- 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: AFSA, SFPE, ASCET, NFPA, NFSA, AFAA, ASEE, NIBS, WSAFM, WFC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
