You might also want to point out for the approximately 650 lurkers on the forum who may be confused that a riser is any vertical piping, regardless of the direction of water flow that isn't a drop, sprig up or arm over ending with a sprig or drop.
On Wednesday, September 21, 2016, Parsley Consulting < parsleyconsult...@cox.net> wrote: > Cliff, > You've pointed out a conclusion on my part that was not in what Rocci > posted. He didn't say it was a part of a standpipe. That was a > supposition on my part. > If it were a part of a sprinkler system, such as a line feeding a hose > valve in rack storage, the horizontal portions would not require bracing, > in my perspective, as they simply aren't mains [longitudinal], and aren't > branch lines [lateral]. > Now, if they had an elevation change exceeding 3'-0", that pipe would > be regarded as a "riser", by 3.5.9, it would require a 4-way brace at the > top per 9.3.5.8.1. > It also might fall into the need for flexible couplings per > 9.3.2.3.1(1). > Good call. And I suppose I should acknowledge Craig's question, and > note that I made the conclusion that since Rocci is in California, where > almost everything has to be protected from earthquake damage, AND he asked > the question, that seismic protection was necessary on his system. > sincerely, > > *Ken Wagoner, SET Parsley Consulting* > > > > * 350 West 9th Avenue, Suite 206 Escondido, California 92025 Phone > 760-745-6181 Visit our website <http://www.parsleyconsulting.com/> * > On 09/21/2016 9:10 AM, Cliff Whitfield wrote: > > Ken, > > > > If this is an 1½” hose line in an NFPA 13 condition (which Rocci didn’t > actually state but I’m assuming it is), then the definition of ‘branch > line’ in NFPA 14 would not apply. If that is the case, would this still be > considered a ‘branch line’ or does it become a ‘feed main’? > > > > Cliff Whitfield > > > > *From:* Sprinklerforum [mailto:sprinklerforum-bounces@lists.firesprinkler. > org > <javascript:_e(%7B%7D,'cvml','sprinklerforum-boun...@lists.firesprinkler.org');>] > *On Behalf Of *Parsley Consulting > *Sent:* Wednesday, September 21, 2016 12:06 PM > *To:* sprinklerforum@lists.firesprinkler.org > <javascript:_e(%7B%7D,'cvml','sprinklerforum@lists.firesprinkler.org');> > *Subject:* Re: small hose connections > > > > Rocci, > Glad to see you made it back safely from Nashville, and it was great > to meet there and put a face with the name. > By the definition in section 3.3.2 of NFPA 14 [2013 ed], the pipe you > describe is a "branch line." Section 6.1.2.5 of that document advises that > you need to follow NFPA 13 to provide protection against damage from > earthquakes. > Lateral bracing for that line is not required per NFPA 13 [2013] > 9.3.5.5.1, as it is not a branch line 2½" or larger. > Longitudinal bracing for that line is not required per 9.5.6.1 as it > is not a feed or cross main. > My opinion only. Please see the disclaimer below. > sincerely, > > > *Ken Wagoner, SET * > > > *Parsley Consulting 350 West 9th Avenue, Suite 206 Escondido, California > 92025 * > *Phone 760-745-6181 **Visit our website > <http://www.parsleyconsulting.com/> * > > > > *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 It should be noted that the > above is my opinion as a member of the NFPA Automatic Sprinkler System > Hanging and Bracing Committee in accordance with the NFPA Regulations > Governing Committee Projects and should therefore not be considered, nor > relied upon, as the official position of the NFPA or its Committees* > > > On 09/21/2016 8:17 AM, Rocci Cetani 3 wrote: > > Do I need to earthquake brace my 1½” feed for hose connections? > > > > *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 > <javascript:_e(%7B%7D,'cvml','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. 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