A Pre-Assembled Unit (PAU) is the combination of the number of separate components into a partially or fully complete unit or system. Typical example includes a fully dressed vessel completed with the insulation, platform, ladder, walkway, piping, and instrument, etc. (Refer to the Pre-Assembled Building (PAB); Pre-Assembled Rack (PAR))
Related Definitions in the Project: The Engineering; Modularisation (Modularization)
