This project involves the refurbishment of an air handling unit (AHU) at Building 1171, requiring the repair and replacement of several components. The contractor must remove and replace all fan bearings and the fan shaft, ensuring no vibration and conducting a static air pressure test to meet manufacturer specifications. Additional tasks include starting the system, testing and balancing the airflow to match the original design, and ensuring the coil loop is free of air bubbles when filled with water. A detailed work schedule must be provided in a Gantt chart for government review and approval. The performance location is specified as Building 1171.