With Property Set Data you can store any kind of data on any kind of object in Civil 3D. The data can then be used to quantify your model, to store project information on the objects, and as a base for exporting information to IFC 4.3.
Naviate Geotech is an addon to Civil 3D to import, present and analyse Geotechnical data from Field Manager or from CSV files. Naviate Geotech can then visualise the data in 3D or in plan and profile.