RULES FOR BUILDING AND CLASSING MOBILE OFFSHORE DRILLING UNITS 2001 - NOTICES AND GENERAL INFORMATION (Updated October 2003; Guide to Colors; Notice 1 - 01/02; Notice 2 - 09/02; Corrigenda/Editorials - 06/04/01 thru 11/03/03; Notice 3 - 11/03; Corrigenda/