· Click next on the first dialog box of the "Text Import Wizard". Then uncheck the Tab box and check the Comma box.
· Save the file as a CSV (Comma delimited) file. Click through any error messages that may pop up. Close Excel.
· Open Revit and create a site using "Specify Points file" specifying the Units as Meters.
· Your surface will then be created based upon the points that the Surveyor has created, you may find that will delete some of the points to refine the boundary of the Topo surface.