Specifications include, but are not limited to: 1. Ensure proper recovery of refrigerant in accordance with regulations and dispose of it appropriately to meet environmental standards. 2. Safely disconnect electrical connections and drain lines to prepare for the removal of the existing unit. 3. Remove the existing unit from its location, taking care to avoid damage to surrounding structures or components. 4. Install new curbing to fit the roof and accommodate the dimensions of the new unit as specified by the manufacturer. 5. Replace with New 30-Ton Cooling 460/3/60 RTU 6. Reconnect electrical connections and drain lines to the new unit, ensuring proper fit and alignment. 7. Test: The unit should go through a Factory Service Startup and ensure connection with BMS