Top of pipe to point of attachment to structure I believe was the wording.
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 Mar 20, 2017, at 4:33 PM, rongreenman . <rongreen...@gmail.com> wrote: > > And if I recall, some time ago rods six inches or less had the addendum that > the measurement had to be taken from the top of the pipe. > >> On Mon, Mar 20, 2017 at 2:17 PM Parsley Consulting >> <parsleyconsult...@cox.net> wrote: >> Rocci, >> You're correct in one way, the '16 edition no longer allows the use of >> hanger rods less than 6" long to omit lateral seismic bracing on mains, if >> the Cp value is greater than 0.50. That does indeed cover most of >> California, and several other places as well. >> That change was added to 9.3.5.5.10.2, (4) in this last cycle, along >> with a few other qualifiers. >> And Travis correct as well, short rods would only allow omission of >> lateral bracing, should the Cp < 0.50. Longitudinal would still be required. >> sincerely, >> Ken Wagoner, SET >> Parsley Consulting >> 350 West 9th Avenue, Suite 206 >> Escondido, California 92025 >> Phone 760-745-6181 >> Visit our website >>> On 03/20/2017 12:51 PM, Rocci Cetani 3 wrote: >> >>> I believe 2016 has greater restrictions on this……From what I remember it >>> basically eliminates California from using this exception due to the max Cp >>> of 0.50 >>> >>> >>> >>> Rocci Cetani III, CET >>> >>> Designer >>> >>> Water-Based Fire Protections Systems Layout, Nicet Level III >>> >>> >>> >>> Northern California Fire Protection Services Inc. >>> >>> 16840 Joleen Way Bldg. A >>> >>> Morgan Hill, CA 93037 >>> >>> P-(408) 776-1580 EXT.111 >>> >>> F-(408) 776-1590 >>> >>> >>> >>> >>> >>> roc...@norcalfire.com >>> >>> www.norcalfire.com >>> >>> >>> >>> CONFIDENTIALITY NOTICE: This message and any document accompanying it may >>> contain confidential information >>> >>> belonging to the sender. The information is intended only for the use of >>> individual or entity named above. If you are not the intended recipient, or >>> the employee or agent responsible to deliver this message to the intended >>> recipient, you are hereby notified that any disclosure, copying or taking >>> of any action in reliance on the contents of this information is strictly >>> prohibited. If you have received this transmission in error, >>> please immediately notify us by telephone to arrange for return of the >>> documents. >>> >>> >>> >>> From: Sprinklerforum >>> [mailto:sprinklerforum-boun...@lists.firesprinkler.org] On Behalf Of Travis >>> Mack, SET >>> Sent: Monday, March 20, 2017 12:41 PM >>> To: sprinklerforum@lists.firesprinkler.org >>> Subject: Re: Seismic Bracing >>> >>> >>> >> >>> Short rods only eliminate lateral bracing. You will still need >>> longitudinal bracing. >>> >> >>> Travis Mack, SET >>> MFP Design, LLC >>> 2508 E Lodgepole Drive >>> Gilbert, AZ 85298 >>> 480-505-9271 >>> fax: 866-430-6107 >>> email:tm...@mfpdesign.com >>> >>> http://www.mfpdesign.com >>> https://www.facebook.com/pages/MFP-Design-LLC/92218417692 >>> Send large files to us via: https://www.hightail.com/u/MFPDesign >>> LinkedIn: https://www.linkedin.com/in/travismack >>> On 3/20/2017 12:39 PM, Tony Silva wrote: >>> >>> In a 13R building there are a 2" cpvc blazemaster supply mains run to >>> supply the upper floor sprinkler systems. The piping will be supported >>> using 2" long rods. The location requires seismic protection. Will sway >>> bracing be required? Any other requirements? >>> >>> Thanks, >>> >>> Tony >>> >>> >>> >>> >>> >>> _______________________________________________ >>> Sprinklerforum mailing list >>> Sprinklerforum@lists.firesprinkler.org >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >>> >>> >> >>> >>> >>> _______________________________________________ >>> Sprinklerforum mailing list >>> Sprinklerforum@lists.firesprinkler.org >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >> _______________________________________________ >> Sprinklerforum mailing list >> Sprinklerforum@lists.firesprinkler.org >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > -- > Sent from Gmail Mobile > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@lists.firesprinkler.org > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
_______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
