514-003_-_Refrigerant System and Condensate Piping Modifications.pdf

These are detailed technical drawings for refrigerant system and condensate piping modifications for the NOAA Ship Thomas Jefferson. The documents (TJ-514-003 series) outline comprehensive piping installation plans across multiple deck levels, specifically detailing refrigerant piping connections, cooling coil placements, and air handling unit configurations. The drawings include specific technical specifications such as pipe sizes, connection types, material schedules, and routing diagrams for various ship systems, with a focus on AC system components, condensate drain piping, and refrigerant line installations. The plans are marked as preliminary and dated 07/09/2021, indicating they are part of a planned modification or repair project for the vessel's mechanical systems.