Steve: While not a high-rise situation, back in 1988 when I worked for another consultant, I designed tri-water systems for 3 nursing/retirement homes. All are in Illinois (Morris, Sterling, Metamora), and to my knowledge are alive and kicking.
Loren Johnson - CFPS, CET Fire Protection Systems Consultant Peoria, IL --- Steve Leyton <[EMAIL PROTECTED]> wrote: > Egoistically, I have to admit a twinge of regret > when I read that. I'm > assuming that the reference is to a "Tri-Water" > design, which came and > went pretty quickly from about 1984-1988 or so. > Basically, it's a combo > HVAC supply/return and fire sprinkler system that > utilizes two sprinkler > mains for the supply/return to the cooling tower and > then alternating > supply/return branch lines off of each main that > allow heat pumps to be > place between pairs and connected via flex > connectors with throttling > valves on both sides. > > The technology had at least two inherent flaws, one > is that the > patent-holder specified a throttling valve that > wasn't really suited to > the application - as I recall it was a valve that > Nibco would have > otherwise recommended for either full open or closed > tight service and > the heat pump flow rates were infinitely variable. > The other problem is > that in order to do a sprinkler T.I. you have to > shut down the entire > system, and all other tenants in the same system > zone (or floor) lose > their heat/AC while the system's down. Thus began > the ritual of > night-work only on Tri-Water systems. > > I mentioned my regrets; this is because I thought I > had designed the > only high-rise Tri-Water system anywhere. There are > twin 20-story > towers here in San Diego that I did in about 1986 > and, until today, I > was not aware of any others ... does anyone know > whether or not they're > still in business? > > Steve Leyton > PROTECTION DESIGN & CONSULTING > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf Of > [EMAIL PROTECTED] > Sent: Wednesday, May 02, 2007 12:14 PM > To: [email protected] > Subject: Re: So what's this return bend thing? > > Is this combination Sprinkler/Heating system common? > > > Maurice Marvi > 800 417 4060 x78020 > > > > > > "Jamie Seidl" <[EMAIL PROTECTED]> > Sent by: [EMAIL PROTECTED] > 05/02/2007 02:11 PM > Please respond to > [email protected] > > > To > <[email protected]> > cc > > Subject > So what's this return bend thing? > > > > > > > > http://www.kirotv.com/investigations/13203050/detail.html > > (Click the video link) > > Jamie Seidl > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > To Unsubscribe, send an email > to:[EMAIL PROTECTED] > (Put the word unsubscribe in the subject field) > > ---------------------------------------------------------------------- > IMPORTANT NOTICE: > The information in this email (and any attachments > hereto) is > confidential. If you are not the intended > recipient, you must not use > or disseminate the information. If you have > received this email in > error, please immediately notify me by "Reply" > command and permanently > delete the original and any copies or printouts > thereof. Although this > email and any attachments are believed to be free of > any virus or other > defect that might affect any computer system into > which it is received > and opened, it is the responsibility of the > recipient to ensure that it > is virus free and no responsibility is accepted by > The Hartford Steam > Boiler Inspection and Insurance Company or its > subsidiaries or > affiliates either jointly or severally, for any loss > or damage arising > in any way from its use. > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > To Unsubscribe, send an email > to:[EMAIL PROTECTED] > (Put the word unsubscribe in the subject field) > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > To Unsubscribe, send an email > to:[EMAIL PROTECTED] > (Put the word unsubscribe in the subject field) > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
