My understanding is that they don't introduce fresh water, only recirculate the nasty old spluge you already have. Advantages: No new oxygenated water (MIC) and no water lost (Green).
On Fri, Mar 15, 2013 at 12:14 PM, Steve Leyton <[email protected]>wrote: > Admitting fresh water into an infected system is like turbo-charging the > bugs. Recirculating water in closed system is a very good way to lower > the risk of both new infections and feeding old ones. > > Steve Leyton > > > > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Cahill, Christopher > Sent: Friday, March 15, 2013 12:11 PM > To: [email protected] > Subject: RE: Zonecheck flow switch tester > > Accelerate MIC? I thought all fresh water did was create a potential > exposure for a new case. If you already got MIC fresh water doesn't > accelerate it, does it? Semantics I suppose to your point about reducing > MIC whether reducing acceleration or exposure. > > These folks came to an SFPE meeting years ago. LEED and water weren't as > high a priority then and they seemed only for highly specialized cases. > Say where you had 100's of flow switches. But with what I'm hearing about > a few states not allowing sprinkler water to hit the ground might be worth > looking into for more cases. I'm still leery though. I have found rocks in > two systems by noticing weak streams at the ITV outlet. Switch operated > but you could tell something wasn't right. > > > Chris Cahill, PE* > Senior Fire Protection Engineer, Aviation & Facilities Group Burns & > McDonnell > 8201 Norman Center Drive > Bloomington, MN 55437 > Phone: 952.656.3652 > Fax: 952.229.2923 > [email protected] > www.burnsmcd.com > > Proud to be one of FORTUNE's 100 Best Companies to Work For *Registered > in: MN > > > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Bruce Verhei > Sent: Friday, March 15, 2013 1:54 PM > To: [email protected] > Subject: Re: Zonecheck flow switch tester > > It is interesting that they don't make a claim about reducing fresh water > to the system and accelerating MIC. I thought that was the primary > advantage. > Maybe that is the expectation but they want to close the liability > question. > Bv > > -----Original message----- > From: "Larrimer, Peter A (CEOSH)" <[email protected]> > To: "'[email protected]'" <[email protected] > > > Sent: Fri, Mar 15, 2013 18:16:47 GMT+00:00 > Subject: Zonecheck flow switch tester > > There has been some interest, especially our environmental folks, in using > the Zonecheck devices for the testing of water flow alarms. See attached > link: http://www.systemsensor.com/pdf/A05-0272.pdf > > Can anyone offer any pros and cons with respect to using these devices? It > looks like they would be a good product to ensure that the flow switches > will work when called upon. > > Thanks in advance. > > Pete Larrimer > VA > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20130315/95a40089/attachment.html > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > _______________________________________________ > Sprinklerforum mailing list > [email protected] > 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/20130315/6194530c/attachment.html> _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
