14.—(1) In every subdivided ship, sidescuttles, windows, gangway ports, cargo ports, bunkering ports and other openings in the shell above the bulkhead deck and their means of closing shall be of efficient design and construction and of sufficient strength having regard to the spaces in which they are fitted and to their positions relative to the deepest subdivision load waterline and to the intended service of the ship. All sidescuttles and windows shall be manufactured to standards recognised by the Certifying Authority.
(2) In every subdivided ship efficiently hinged deadlights, which can be easily closed and secured watertight, shall be provided for all sidescuttles to spaces below the first deck above the bulkhead deck and, in the case of a ship which is marked with a summer load line, to all sidescuttles in an enclosed superstructure.
(3) In every subdivided ship which is marked with a summer load line, each discharge led through the shell above the margin line from a space below the freeboard deck or from within any enclosed superstructure or from within any deckhouse on the freeboard deck which is fitted with weathertight doors, shall take into account the requirements of paragraph 2(2) of Schedule 10 in Merchant Shipping Notice MSN 1699(M) with efficient means for preventing water from passing inboard.