That presumes the pipe itself can be exposed. Does this type of pipe fit in the list of generic piping that does not require a listing? If not it MUST (Shall) be installed according to it's listing. If the listing does not allow up to 24" of exposure, or if it limits exposure in some way, then the listing trumps the standard reference.
On Wed, Jul 10, 2013 at 6:21 AM, Pete Schwab <[email protected]> wrote: > Mike > The 2013 edition of NFPA 13 has clarified that this is acceptable. > > 6.3.1.1.1* Underground pipe shall be permitted to extend > into the building through the slab or wall not more than 24 in. > (0.6 m). > > A.6.3.1.1.1 Extending the underground pipe into a building > provides working room to transition to the appropriate aboveground > piping. Environmental conditions should be considered > as outlined in 24.1.6.1.2. > > Peter Schwab > VP of Purchasing & Engineering Technologies > > Wayne Automatic Fire Sprinklers Inc. > 222 Capitol Court > Ocoee, Fl 34761 > > Mobile: (407) 468-8248 > Direct: (407) 877-5570 > Fax: (407) 656-8026 > > www.waynefire.com > > > > Celebrating over 34 years of life safety > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Jim Davidson > Sent: Wednesday, July 10, 2013 9:10 AM > To: [email protected] > Subject: RE: Underground Stub-Up > > Mike, > > It is my understanding that the HDPE AWWA C906 pipe is not listed for use > above ground and the transition from underground to above ground should be > made with a DI Class 52 Flange spigot piece with rodding and thrust blocks. > > Have seen some very large dollar losses where the underground plastic pipe > was exposed aboveground (about 6 inches above slab), and was damaged during > the pouring of the floor slab or by physical contact. The installation was > probability by an underground contractor with no knowledge of the UL and > NFPA requirements. As the sprinkler contractor connecting on to the HDPF > stub up you are assuming some liability since you have not informed the GC, > CM, Owner of the problem in writing. Since the HDPE pipe stub up is before > any water flow device a break at the above ground portion of the HDPE pipe > can result in a large amount of water flowing before the break is detected. > > Have a fire safe day. > > Jim > > > > > DAVIDSON ASSOCIATES > > Fire Protection Engineering P. O. Box 4010 > Code Consultants Greenville, DE 19807-0010 > Medical Gas Systems Engineering (302) 994-9500 > Fax (302) 234-1781 > > CONFIDENTIALITY > This report and any attachments are confidential and also may be > privileged. > If you are not the named recipient, or have otherwise received this report > in error, please destroy the report, notify the sender immediately, and do > not disclose its contents to any other person, use them for any purpose, or > store or copy them in any medium. > Thank you for your cooperation. > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Mike > Hairfield > Sent: Wednesday, July 10, 2013 8:46 AM > To: AFSA SprinklerFORUM > Subject: Underground Stub-Up > > Got a project that HDPE AWWA C906 pipe and fittings were installed. > > > > The stub-up through the floor is a piece of HDPE AWWA C906 pipe with > > a cap fused on the end and not rodded. > > > > I've never seen this done before, is it acceptable with NFPA #24? > > > > Mike Hairfield > > _______________________________________________ > 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 > -- 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) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
