Overall Site Plot Plan Posted on 11th December 20157th June 2021 by ThePD (The Project Definition) An Overall Site Plot Plan refers to the Overall Plot Plan. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in Engineering and tagged deliverable, piping, term. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.