(1) Garages and other compartment(s) below the freeboard deck, provided for
recreational, storing or other purposes (for Pilot Doors, see also
section 11.3) to do with the business of the vessel and having
access openings in the hull, shall be bounded by watertight
divisions without any opening (i.e. doors, manholes, ventilation
ducts or any other opening) separating the compartment(s) from any
other compartment below the freeboard deck, other than
sliding watertight doors complying with Chapter 4.
(2) Access openings in the sides of ships below the freeboard deck shall be
fitted with doors so designed as to ensure the same watertightness and
structural integrity as the surrounding shell plating and
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(a) unless otherwise approved by the Administration, these
opening shall open outwards; and
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(b) the number of such openings shall be the minimum compatible
with the design and proper working of the ship.
(3) Unless otherwise permitted by the Administration, the lower edge of openings
referred to in subsection (2) shall not be below a line drawn parallel to
the freeboard deck at side, which is at its lowest point at least 230
millimetres above the waterline corresponding to the deepest permitted
operational draft.
(4) Where a shell door provided in accordance with the provisions of this
section cannot be tested watertight under a head of water in
accordance with section 4.12(1) then the requirements applicable to
flush hatches in section 2.7(4) shall apply.