This standard BS 4268:1967 Specification for the marking of wooden hatchway covers is classified in these ICS categories:
47.020.50 Deck equipment and installations
This British Standard applies to the wooden hatchway covers of ships, and specifies the markings required in order to indicate the deck in which the hatchway is situated, the position of the hatchway in the deck, and the section of the hatchway of which the cover forms a part.
Markings required to indicate the deck in which a hatchway is situated, the position of the hatchway in that deck, and the section of the hatchway of which the cover forms a part.