(1) All access openings in bulkheads at ends of
enclosed superstructures shall be fitted with doors of steel or other
equivalent material, permanently and strongly attached to the bulkhead,
and framed, stiffened and fitted so that the whole structure is of
equivalent strength to the unpierced bulkhead and weathertight when
closed. The means for securing these doors weathertight shall consist
of gaskets and clamping devices or other equivalent means and shall
be permanently attached to the bulkhead or to the doors themselves,
and the doors shall be so arranged that they can be operated from
both sides of the bulkhead.
(2) Except as otherwise provided in these Regulations,
the height of the sills of access openings in bulkheads at ends of
enclosed superstructures shall be at least 380 millimetres (15 inches)
above the deck.