Note: you will need to login to Subscription to download ...
Autodesk® Shared Reference Point 2015 provides functionality to export known points and elevation from AutoCAD® Civil 3D software to an external file, in which Autodesk® Revit® software can import and setup a "Shared Coordinate System." This enables the collaboration of exported RVT, DWG and NWC files back to AutoCAD Civil 3D and to coordinate models in Autodesk® Navisworks® software.
Readme - English (pdf - 422Kb)
For AutoCAD Civil 3D 2015 64-bit - English (exe - 3634Kb)
For Autodesk Revit 2015 64-bit - English (exe - 3608Kb)
Autodesk Shared Reference Point 2015