Xref - Civil 3d

Contains survey points, existing surfaces, and existing utilities.

– Most Civil 3D objects (surfaces, alignments, profiles, pipe networks) can be referenced into another drawing via Xref. However, to edit them, you must open the source drawing. Data shortcuts are often preferred for sharing Civil 3D objects because they allow object-level linking, but Xrefs remain useful for base maps, existing conditions, or survey data. civil 3d xref

I can provide a tailored file management strategy based on your workflow. Share public link Contains survey points