Summary
Remove existing 4 main and 1 elevator room rooftop air handling units (RTU) and replace with two 75-ton air handling units with heat recovery, two 75-ton units without outside air, and an in-kind replacement for elevator room rooftop unit. Remove and replace HVAC controls with non-proprietary BACnet controls with integration of existing lighting controls. Remove and replace two exhaust fans. Improvements to return air ductwork system to avoid pooling. Ductwork, fan terminal units (FTU), variable air flow (VAV), thermostats and zone modifications as detailed in plans. Complete building air balancing. Associated electrical work and roof repairs.