Article 6 Machinery space openings

In every vessel of 12 metres in length and over to which these Rules apply machinery space openings in exposed positions on the freeboard deck shall be properly framed and efficiently enclosed by casings of adequate strength and fitted with doors complying with the requirements of Rule 4 of these Rules.

In every such vessel every such opening, other than a doorway provided in a casing, shall be fitted with covers of strength equivalent to the unpierced structure, and shall be permanently attached thereto and capable of being closed weathertight.

In every such vessel where casings are not fitted the access openings to the machinery space shall be closed in accordance with the provisions of Rule 7(1) of these Rules.