Give me a time frame. My best recollection is the mid '90's. Dwight
________________________________ From: Ron Greenman <[email protected]> To: [email protected] Sent: Tuesday, July 23, 2013 9:12 PM Subject: Re: SIGN for Backflow Prevention Assembly Forward Flow Test Were these the plumbing type before fire service listed devices existed. On Tue, Jul 23, 2013 at 4:32 PM, Dwight Havens <[email protected]>wrote: > Yes, yes, and yes. The original proposal was based on observed failures > of BFPAs to operate properly during main drain testing. > > Glendale, AZ public library specifically comes to mind. > > Dwight > > > > > ________________________________ > From: Todd Williams <[email protected]> > To: "[email protected]" < > [email protected]> > Sent: Monday, July 22, 2013 9:32 PM > Subject: Re: SIGN for Backflow Prevention Assembly Forward Flow Test > > > Has there ever been an instance of system failure due to the backflow not > properly opening? How about detection of a BFP problem during a full flow > test. How about something subsequent to the initial acceptance? > > Todd G Williams, PE > Fire Protection Design/Consulting > Stonington, CT > 860-535-2080 > www.fpdc.com > > _______________________________________________ > 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 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
