GCHS Central Plant HVAC Replacement

Provide new HVAC Natural gas boilers (2) to replace existing single unit • Provide new Domestic Hot Water Natural gas boiler and Hot Water storage tank to replace existing heat exchanger/storage tank. • Provide new boiler flue exhaust system to replace existing • Provide two existing horizontal split case pumps to replace existing. Provide & install new variable speed drives. • Provide new inline pumps to replace existing base mounted hot water pump. Provide & install new variable speed drives. • Provide water to water shell and tube heat exchanger to replace existing • Provide new expansion tanks to replace existing • Remove existing building automation system and replace with new building automation system • Make modifications to existing mechanical room to meet all applicable building codes • Provide new cooling tower and structural frame to replace existing

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Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution, Central HVAC Equipment.