Roland, OS&Ys regularly "drop." Not often but often enough. Nothing different about an OS&Y, road box valve, & a NRS except the bonnet and operating mechanism. The discs are the same.
On Wed, Apr 11, 2012 at 2:55 PM, Roland Huggins <[email protected]>wrote: > This is indeed the CURRENT requirement since the main drain is a SYSTEM > test. As I stated in an earlier post, we are finally returning to what the > main drain test was originally intended to check (that being the condition > of the water supply and the underground supply main and whether a valve had > dropped (not a problem for the OS&Y or butterfly gate valves). We'll have > to wait until the cycle is completed before we can be any more definitive. > We can thank Dave Burkhart for pushing this rock up the hill. > > Roland > > > > On Apr 11, 2012, at 2:22 PM, Matsuda, Richard wrote: > > However, conducting this one test doesn't mean that you don't have to >> test each system individually, too. >> > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: <http://fireball.**firesprinkler.org/mailman/** > private/sprinklerforum/**attachments/20120411/e39e286c/**attachment.html<http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20120411/e39e286c/attachment.html> > > > > ______________________________**_________________ > Sprinklerforum mailing list > Sprinklerforum@firesprinkler.**org <[email protected]> > http://fireball.firesprinkler.**org/mailman/listinfo/**sprinklerforum<http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum> > -- 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) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20120411/de76ce56/attachment.html> _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
