Below you will find a list of BIM questions relating to the topic autocad revit on Modlar. Check them out and see if you they help you with your problem or if you can add to the answers that are already there.
I have a model that was started a few months back and the loor levels were never changed from the default (i.e. Level 1 = 0"). Is there a way to move the entire model up so Level 1 = 100'-0"?