Utility Distribution Diagram (UDD) the utility P&ID that is usually depicted in two distinct parts, and connected to the utility commodity consuming areas of the plant from the utility sources. A UDD is a deliverable document of the FEED and Detailed Design and Engineering generated by a Process discipline. (Refer to the Utility Head Diagram (UHD) or UFD (Utility Flow Diagram))

Related Definitions in the Project: The Process Engineering; FEED Deliverable; Detailed Design and Engineering Deliverable