Was there nothing inside the agreement about providing a set of "as-developed" drawings at the end of building? did not the contractor preserve a marked-up list of prints within their position trailer/Office environment to report design deviations from the construction documents? seems really standard to me and it is built https://zwcad87532.theideasblog.com/34557363/the-fact-about-cad-that-no-one-is-suggesting