Learn people how to draw in revit in the correct coördinate system.
In maps 3D/ civil 3D there is a possibility to select the local coordinate system for every country or region.
Build that option in for a bim manager so he can place every model by the correct surveyor coordinates.
And then !
Then make the geomap function from autocad available in REVIT !
Would it not be great to have acces to every air footage in Revit !!!
And as a bonus there is one big system to create every building/ stair/ road in the correct place !