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daiyujin

Marking shall normally be placed as follows:
— at flat bottom in way of intersections of tank bulkheads or
watertight floors and girders
— at ship’s sides in way of the positions of transverse bulkheads
(the marking need not be extended more than 1 m
above bilge plating)
— the intersection between tank top and watertight floors in
way of ship’s sides
— all openings for sea suctions and discharge
— letter and number codes shall be applied on the shell for
identification of tanks, sea suctions and discharges.

xuehu122

what  you want to know.