The drawings include: layout plan of foundation under new columns, layout plan of new columns on the first to fifth floors, layout plan of column reinforcement, layout plan of beam reinforcement, structural plan of roof parapet reinforcement, layout plan of wall with additional tie bars, layout plan of new columns in the guard room, detailed elevation of column reinforcement with enlarged section, detailed elevation of column clad steel reinforcement, detailed elevation of beam bottom heightening of cantilever JTL1,