Be careful giving advice about insulation. Make sure if you show them the annex stuff from 13D you emphasize you are not an insulation contractor and that the stuff from that book are there as recommendations to help the insulator come up with a viable strategy.
On Sun, Aug 10, 2014 at 8:22 AM, Douglas Hicks <[email protected]> wrote: > The copper is at least 20 years old. I can see 3 places in the riser room > , where there are leak patterns on the ceiling. The system control valve > is open. The pressure gauge is holding at 60 PSI, and the leak patterns are > dry. The leak seems to have stopped by itself, but I expect it to open > again later. > That will give me time to figure what is needed and how to accomplish the > goal of having a sprinkler system that will protect the occupants of the > house. > > The owners of the property have approximately 85 or 90 group homes, most > of which have sprinkler systems. They have had problems with the copper > piping and tried to fix only the leaks. Their experience has been it is > less expensive to replace the copper with CPVC. As to their awareness of > problems with antifreeze, that is a question I have not addressed with > them. Nor have I talked to the city FM or the State FM about this building. > > I like to have some solutions before I go to the AHJ. > > We service about 16 of these group homes, 8 have problems with the > sprinkler systems. Finally, we may be allowed to do repairs, and upgrades. > -----Original Message----- From: [email protected] > Sent: Sunday, August 10, 2014 6:49 AM > To: [email protected] > Subject: Re: copper pipe vs. CPVC > > > After watching this thread for a week and thinking about all the > collateral issues with plastic, my next step would be to go back to the > owner and question their motivation for the copper to plastic > recommendation. It may on the surface appear cheaper to just change copper > to plastic, but properly addressing all the issues associated with plastic > may swing the deal back in favor of repairing the leaks in the copper > system. How old is the system? Where is it leaking? How many leaks? Is > there an obvious cause for the leaks? Questions are cheap. > Mark at Aero > [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) A problem well stated is a problem half solved. -Charles F. Kettering, inventor and engineer (1876-1958) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
