Why not just use EQ spacing and ignore the calculations. Apparently this is just for stability.
On Fri, Jun 13, 2014 at 12:24 PM, Brad Casterline <[email protected]> wrote: > Thanks Jerry. We got some off-Forum feedback also and are convinced the > best > practice would be at least one support per piece, so are thinking max > spacing should be 21'-0". The feedback was from a contractor who does grain > elevators with VERY tall risers and they use half-lengths with a support on > each piece! > > Brad > > -----Original Message----- > From: Jeremy Frazier [mailto:[email protected]] > Sent: Friday, June 13, 2014 2:01 PM > To: [email protected] > Subject: RE: Support of tall risers > > It depends, If it is a multi-story builing you need one at every alternate > level, offset, bottom, top and no more than 25'-0" apart. If it's not a > multistory, just 1 hanger ring at the top of the riser within 24" > > -----Original Message----- > From: Sprinklerforum [mailto: > [email protected]] > On Behalf Of Brad Casterline > Sent: Friday, June 13, 2014 9:52 AM > To: [email protected] > Subject: Support of tall risers > > Where "seismic" is not required, and the riser is, say, 6" by 35 feet tall, > is there a requirement or rule of thumb for the vertical spacing for the > support of it? > > A co-worker and I thank you in advance. > > > > Brad Casterline, NICET IV > > Fire Protection Division > > > > FSC, Inc. > > P: 913-722-3473 > > [email protected] > > www.fsc-inc.com > > > > Engineering Solutions for the Built Environment > > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please visit http://www.symanteccloud.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 > -- 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, WFSC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) A problem well stated is a problem half solved. -Charles F. Kettering, inventor and engineer (1876-1958) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
