Provide all labor, equipment, tools, material and incidentals necessary for a multi-phase replacement of heating and chilled water plant in the Electric Building North Tower Basement Mechanical Room. Phase 1 involves demolition of the hot water boiler plant in the North Tower Mechanical Room along with selective demolition of hot water piping, pumps, water tank, controls, and heating system power cabinets followed by installation of a new boiler, controls, and power circuits. Phase 2 removes existing chillers and selective demolition of associated heat exchange coils, piping, pumps, and motor starters followed by installation of two new chillers, connection piping, valves, pumps, controls, and power circuits. Phase 2 also includes the installation of Mechanical Room exhaust venting from the Basement Mechanical Room to the rooftop Penthouse Mechanical Room.
