When you want to share coordinates between a Revit building model and Civil 3D site in the past it has tended to be a manual process. This tool from Autodesk Consulting allows you to share coordinates and height of a site to Revit to ensure you can simply create a true 3D site model. BIM Coordinator is a technology preview on Autodesk Labs for AutoCAD® Civil 3D® 2012 and Autodesk® Revit® 2012 software to assist project team members with building and site grids.