Let me clarify my original reply: I need to use grooved fittings UG several years ago and had to make sure they were listed for use by definition or by meeting the standards listed in 13. I call all of the major manufacturers and was told at the time that NO they could not be used - period.
Evidently that has changed and great to know. Greg McGahan Living Water Fire Protection (850) 937.1850 | Fax (850) 937.1852 | Cell (850) 554.3231 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of John Denhardt Sent: Friday, March 26, 2010 10:01 AM To: [email protected] Subject: RE: Grooved Underground, Thrust Blocks Required? "Isn't pipe and fittings traditionally used in sprinkler work exempt from requiring a listing per 13?" As long as it meets one of the standards listed in NFPA 13. Personnaly, I would not think that a listing is required for a coupling or fitting to be used in the underground. It is listed for fire protection use. We use them all the time with a galvanized coating, tar and wrap and never had a issue. John John August Denhardt, P.E. Strickland Fire Protection Incorporated 5113 Berwyn Road College Park, Maryland 20740 Office Telephone Number: 301-474-1136 Mobile Telephone Number: 301-343-1457 FIRE SPRINKLERS SAVE LIVES -----Original Message----- From: [email protected] [mailto:[email protected] <mailto:[email protected]> ] On Behalf Of Ron Greenman Sent: Thursday, March 25, 2010 8:59 PM To: [email protected] Subject: Re: Grooved Underground, Thrust Blocks Required? Couple of thoughts: 24 is mostly augmentation to the typical underground installation standards applicable when the UG is private fire service main. 24 does not apply to public installation but can. We get hung up on listings because we use them all the time. Other trades don't. Isn't pipe and fittings traditionally used in sprinkler work exempt from requiring a listing per 13? Galvanized pipe can be directly buried. Ductile can be directly buried. Grooved couplings and fittings are ductile. Gas pipe has to be black steel which cannot be directly buried so buried gas line has to be coated to X mils (I forget exactly) and the joints and fittings also. Presumably black ductile threaded fittings on gas line would not need coating. On Thu, Mar 25, 2010 at 2:22 PM, Thom McMahon <[email protected]> wrote: > Good luck with that! It's like trying to find a listing for ductile > Iron Pipe above ground for fire protection. The most often listed > reason not to use PVC (C900) above ground is it's not listed. Well try > and find a DIP that's listed for Fire Above ground. > > Thom McMahon, SET > Firetech, Inc. > 2560 Copper Ridge Dr > P.O. Box 882136 > Steamboat Springs, CO 80488 > Tel: 970-879-7952 > Fax: 970-879-7926 > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected] <mailto:[email protected]> ] On Behalf Of George > Church > Sent: Thursday, March 25, 2010 3:28 PM > To: [email protected] > Subject: RE: Grooved Underground, Thrust Blocks Required? > > I'd check vic and/or Grinnell websites/manuals. > > I've run grooved galv, wrapped, to a 90* pattern FDC without serious > consequences. > > glc > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum <http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum> > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email > to:[email protected] > (Put the word unsubscribe in the subject field) > -- Ron Greenman Instructor Fire Protection Engineering Bates Technical College Tacoma, WA Member: SFPE, ASCET, NFPA, AFSA, NFSA AFAA, NIBS, WSAFM, WFC _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum <http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum> For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
