I have seen PVC come out the ground to from 6" to 12" with a steel sleeve fully encasing it and providing a form to pour the slab against providing the 2" all around clearance.
On Wed, Mar 11, 2009 at 1:46 PM, <[email protected]> wrote: > Ok, so if that is the case, where do you locate your transition? > > Typically we see that as happening at approx. 1'-0 AFF. > > For PVC systems it is often customary to use a Ductile fitting at the base of > the riser and come up through the slab with ductile, flange at 12" aff and > then transition to steel. > > > > > Craig L. Prahl, CET > Fire Protection Specialist > Mechanical Department > CH2MHILL > Lockwood Greene > 1500 International Drive > PO Box 491, Spartanburg, SC 29304-0491 > Direct - 864.599.4102 > Fax - 864.599.8439 > [email protected] > http://www.ch2m.com > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Roland Huggins > Sent: Wednesday, March 11, 2009 4:29 PM > To: [email protected] > Subject: Re: Underground transition > > Ignoring what many do as the basis for continuing it (like heat vents in a > sprinklered building which I Like to say as having legitimacy by longevity), > how can one claim that any pipe above the floor is UNDERGROUND? The variables > of concern and related tests are based on > the use and environment that the pipe is exposed to. Once you pass > the plane of the floor, wouldn't a different set of concerns apply? > Bottom line, it is Above Ground pipe and must be listed within that category. > > Roland > > > On Mar 11, 2009, at 9:20 AM, Arthur Tiroly wrote: > >> Can the transition for the blue brute be just above the floor just as >> we do for DIP? >> >> Arthur Tiroly >> ATCO Fire Protection Design >> 3300 King Ave >> Cleveland, OH 44114 >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Thom >> McMahon >> Sent: Wednesday, March 11, 2009 11:33 AM >> To: [email protected] >> Subject: RE: Underground transition >> >> Actually that is true of DIP as well. I once spent several hours on >> U/L and FM listing sites looking for class 51 or 52 listing for above >> ground and never found one. >> >> 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 >> >> >> Subject: Re: Underground transition >> >> Greg, The answer may be found in the listing of the plastic pipe. I >> believe c-900 is listed for underground use. and not listed for above >> ground or exposed installation. CPVC is listed for underground as well >> as exposed use. >> >> Greg Schulze wrote: >>> Is there an AWWA requirement or Plumbing Code that requires the >>> incoming F/S to be Steel or Ductile Iron Pipe? Could it be run in >>> Plastic >> pipe? >>> >>> >>> >>> Greg Schulze, >>> >>> >>> >>> >>> >>> ARKlogo2 >>> >>> >>> >>> 9 Florence Avenue >>> >>> Carney's Point, NJ 08069 >>> >>> >>> >>> (Tel) 856-299-2900 >>> >>> (Fax) 856-299-2959 >>> >>> (Cell) 856-889-9498 >>> >>> >>> >>> <mailto:[email protected]> [email protected] >>> >>> >>> >>> >>> >>> >>> --------------------------------------------------------------------- >>> - >>> -- >>> >>> _______________________________________________ >>> Sprinklerforum mailing list >>> http://lists.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 >> http://lists.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 >> http://lists.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 > http://lists.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 > http://lists.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 at home.... _______________________________________________ Sprinklerforum mailing list http://lists.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)
