Regulation 15

any space between the side of any deckhouse and the inner edge of the waterway, bulwark, rails or any other deckhouse which is less than 0.75 metre in width;

any space which is always or occasionally used for the purposes of navigation;

any part of a bridge deck which extends beyond the sheer strake of the ship;

any space between decks in which the height from the floor to the deck above is less than 1.80 metres;

any space not fitted for the carriage or accommodation of passengers;

any deck which is more than one deck below the subdivision load line mark at any portion of the length of the ship;

the lower hold of the ship and any space which is for the storage of cargo or lighted and ventilated by hatchways only;

any area occupied by hatchways, sky-lights, machinery casings, windlass, stairways, aisles and spaces used for navigation or the storage of cargo or equipment; and

any other space which in the opinion of the Director is not suitable for the carriage or accommodation of passengers.