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I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />i <br />I <br />i <br /> <br />TO: City Administrator <br />FROM: Building Official <br />RE: Boiler <br />DATE: J~me 24, 1982 <br /> <br />Today, a representative of Carl Johnson Plumbing placed an air test on our <br />problem boiler system. Initially, the rear boiler drain was found to be <br />leaky. No other leaks were noted at this time and the air pressure held at <br />50 lbs. <br /> <br />June 25, 1982, 8:00 a.m. - In ~hecking the boiler system pressure, I found <br /> both the boiler pressure and system pressure at <br /> 46 lbs. They are being tested separately. The <br /> following are the pressures monitored during the <br /> subsequent week: <br /> <br />June 28, 1982, 8:00 a.m. - System pressure 46# <br /> Boiler pressure 37# <br /> <br />June 29, 1982, 8:00 a.m. - System Pressure 43# <br /> Boiler pressure 35.5# <br /> <br />June 30, 1982, 8:00 a.m. - System pressure 42# <br /> Boiler pressure 34# <br /> <br />July 1, 1982, 8:00 a.m. - System pressure 410 <br /> Boiler pressure 330 <br /> <br />July 6, 1982, 8:00 a.m. - System pressure 40# <br /> Boiler pressure 300 <br /> <br />July 8, 1982, 8:00 a.m. - System pressure 38# <br /> Boiler pressure 280 <br /> <br />I have discussed these test results with Johnson Plumbing and we concur that <br />these tests are not really conclusive. The reason is that the boiler units and <br />the system are not physically separated but are rather only valved off. If any <br />of the valves are leaking, they could be supplementing the air pressure in the <br />boiler which is of a much smaller volume. <br /> <br />Mr. Johnson informed me that he will be physically separating the two test areas <br />and then retest them so there will be no doubt as to where the leak really is. <br /> <br /> · ,/~/~-'~ <br />CRB:po / ' <br /> <br />7 <br /> <br /> <br />