EXPECTED USEFUL LIFE TABLE
Fuel Oil Storage 25 25 Fuel Transfer System 25 25 Heat Exchanger 35 35 Heating Water Circulating Pumps by size by size Line Dryers 15 15 Motorized Valves 12 12 Outdoor Temp Sensor 10 10 Pneumatic lines Controls 30 30 Purchased Steam Supply Station 50+ 50+ Solar Hot Water 20 20 Replace collectr panels 2011 Architectural Manual Expected Useful Life Table DCA Office of Affordable Housing 7 of 7 ...