1. The work includes the modifications of existing packaged rooftop units from constant volume operation to variable air volume operation. 2. Work shall also include installation of new variable air volume units and hot water piping. Installation shall include all required modifications to the main ductwork and transitions to make the connection to the new variable air volume units. 3. Additionally, work shall include the installation of a new ductless split system. 4. Testing, adjusting and balancing of the complete system including the rooftop units, series fan powered terminal units, primary air, terminal grilles, registers and diffusers. 5. Control system shall be upgraded to support new equipment and upgrades. The controls contractor shall provide all necessary valves, valve actuators, and controls as required to provide a complete and operable system of new and existing mechanical equipment. 6. All required electrical work to support the mechanical scope.
