Craig was faster on the draw than I. No old guy comments either way if you please, but what Craig said. Are there joints under the slab? That's not allowed.
On Tue, Aug 3, 2010 at 10:36 AM, <[email protected]> wrote: > > NFPA 24-2007 > 10.10.2.6* The trench shall be backfilled between joints before > testing to prevent movement of pipe. > 10.10.2.7 Where required for safety measures presented by > the hazards of open trenches, the pipe and joints shall be permitted > to be backfilled, provided the installing contractor > takes the responsibility for locating and correcting leakage. > > A.10.10.2.6 Hydrostatic tests should be made before the > joints are covered so that any leaks can be readily detected. > Thrust blocks should be sufficiently hardened before hydrostatic > testing is begun. If the joints are covered with backfill > prior to testing, the contractor remains responsible for locating > and correcting any leakage in excess of that permitted. > > Craig L. Prahl, CET > Fire Protection Specialist > Mechanical Department > CH2MHILL > Lockwood Greene > 1500 International Drive > 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 David de Vries > Sent: Tuesday, August 03, 2010 1:24 PM > To: AFSA SprinklerForum > Subject: Leaking Lead-In > > I am looking at a new lead-in that was hydro-tested after being backfilled > and the floor slab poured over it. It failed the hydrotest. I went to look > up in 13 and 24 the "requirement" that underground piping be tested before > being buried. I can't find it. Is my memory bad (no comments about old age, > Ron, please) or am I perhaps thinking of a best practice that I previously > included in a spec? > > Any help in finding that would be appreciated. > > Dave > > David A. de Vries, P.E., CSP > Firetech Engineering Incorporated > > > _______________________________________________ > 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) > -- Ron Greenman Instructor Fire Protection Engineering Bates Technical College 1101 So. Yakima Ave. Tacoma, WA 253.680.7346 Member: AFSA, SFPE, ASCET, NFPA, NFSA, AFAA, NIBS, WSAFM, WFC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) _______________________________________________ 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)
