If you are on Subscription, you can login to your Updates page and download Autodesk Shared Reference Point extension to connect coordinates in Revit with Civil3D.

For Revit 2016

http://download.autodesk.com/SWDLDDLM/Updates/RVT/2016/RVT_2016_SHARED_REFERENCE_ENG_64.exe

For Civil3D 2016:

http://download.autodesk.com/SWDLDDLM/Updates/CIV3D/2016/C3D_2016_SHARED_REFERENCE_ENG_64.exe

Readme:
Autodesk� Shared Reference Point for Autodesk� Revit 2016

Autodesk® Shared Reference Point consists of the following features:

  • Two individual installations for AutoCAD Civil 3D and Revit
  • Export coordinates and elevation from AutoCAD Civil 3D to external .xml file
  • Import .xml into Revit based on same known positions and create a ‘Shared Coordinate System’

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)

Download

For AutoCAD Civil 3D 2015 64-bit – English (exe – 3634Kb)


For Autodesk Revit 2015 64-bit – English (exe – 3608Kb)

via
Autodesk Shared Reference Point 2015