I am not familiar with the Standards regarding this subject, but, we have always made the new drawing Revision A (or 1) with Description of the revision as "Redrawn from drawing ABC-123, Revision F (or 6).
Engineers where I work have recently (November 2004) attended the Substation Design courses available from the University of Wisconsin (held in Madison and in Las Vegas). I have been told the course, altough only a few days, is fairly extensive in that it covers foundations, grounding...
