Thank you for that Travis and Jamie! Sent from my iPhone Aaron M. Peck, SET Fire Protection Skype +1(202)407-9079 Cambodia +855(0)78700407
> On Oct 22, 2014, at 4:00 PM, Jamie Seidl <[email protected]> wrote: > > From 2010 NFPA 13, though this has been required previously. > 9.3.2.1 Listed flexible pipe couplings joining grooved end piping shall be > provided as flexure joints to allow individual sections of piping 2-1/2" or > larger to move deferentially with the individual sections of the building > to which it is attached. > > 9.3.2.2 Couplings shall be arranged to coincide with the structural > separations within a building. > > 9.3.2.3 (4), Expansion joints require flexible couplings within 24" of the > joint. > > A.9.3.2.3(4) A building expansion joint is usually a bituminous fiber strip > used to separate blocks or units of concrete to prevent cracking due to > expansion as a result of temperature changes. where building expansion > joints are used the flexible couplings is required on one side of the joint > by 9.3.2.3.(4). For seismic separation joints, considerably more > flexibility is needed, particularly for piping above the first floor. > Figure A9.3.3(a) shows a method of providing additional flexibility through > the use of swing joins. > > So, under 2010 NFPA 13 9.3.2.3 (4), Expansion joints require a flexible > coupling within 24" of the joint. I've had some AHJ's suggest that we > needed to use a metraflex or similar flexible pipe, but once it was pointed > out that it was an "expansion joint" and not a seismic separation, the > point was conceded. This should be labeled clearly on the architectural > plans... > Jamie Seidl > >> On Wed, Oct 22, 2014 at 1:24 AM, Aaron Peck <[email protected]> wrote: >> >> I seem to remember there's no difference. Except on this project I have an >> irregular expansion line and the USACoE plans only indicate expansion >> joints on the mains, allowing branch lines to cross it without a problem. >> >> This project doesn't require seismic bracing. So any thoughts if I should >> bring it up about the branch lines crossing it? They are 2" in size to 1". >> >> Sent from my iPhone >> Aaron M. Peck, SET Fire Protection >> Skype +1(202)407-9079 >> Cambodia +855(0)78700407 >> >>> On Oct 18, 2014, at 8:56 PM, Bob <[email protected]> wrote: >>> >>> Jerry, >>> Looking at the 2010 ed. 6.6.6 (yikes), crawl spaces are specifically >> omitted >>> from requiring sprinklers. Also, a "test" is provided to determine if >>> sprinklers are required or not, "other concealed spaces that are not >> used or >>> intended for living purposes or storage and do not contain fuel-fired >>> equipment". >>> Your situation meets the crawl space omission so there should be no >> reason >>> to sprinkle it. I'm working instead of hunting, my weekend is shot! >> Hope >>> you have a good weekend. >>> >>> Thank You, >>> >>> Bob Knight, CET III >>> 208-318-3057 >>> www.Firebyknight.com >>> >>> >>> -----Original Message----- >>> From: Sprinklerforum [mailto: >> [email protected]] >>> On Behalf Of MFPC >>> Sent: Friday, October 17, 2014 7:46 PM >>> To: [email protected] >>> Subject: Sprinklers underneath a struture >>> >>> I'm working on a 13r bungalow type building that is built on a hillside. >>> Would the exposed crawlspace under the build need to be sprinklered. Or >>> could that be considered balcony type situation? >>> >>> Jerry Van Kolken >>> MFPC (760) 722-2722 >>> _______________________________________________ >>> 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 >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > > -- > \ \ > (o> -- If life were easy... > \ \_/ /) It'd be called your mom... > \_/_) > _|_ > _______________________________________________ > 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
