747.02   EXCEPTIONS TO HEIGHT REQUIREMENTS.
   The following appurtenances to structures may exceed the maximum heights established in Schedule 747.01:
   (a)   Chimneys not in excess of 100 feet from ground level;
   (b)   Elevator or stair bulkheads;
   (c)   Roof water tanks or cooling towers;
   (d)   Flagpoles, aerials and antennas (excluding satellite dish antennas) not in excess of 100 feet from ground level;
   (e)   Parapet walls or railings not in excess of four feet;
   (f)   HVAC equipment;
   (g)   Satellite dish antennas not in excess of ten feet above a principal or accessory building.