5.1 A hatchway, which gives access to spaces below
the weather deck shall be of effective construction and be provided
with efficient means of weathertight closure.
5.2 A cover to a hatchway shall be hinged, sliding,
or permanently secured by other equivalent means to the structure
of the vessel and be provided with sufficient locking devices to enable
it to be positively secured in both the open and closed positions.
5.3 A hatchway with a hinged cover which is located
in the forward portion of the vessel shall normally have the hinges
fitted to the forward side of the hatch, as protection of the opening
from boarding sea.
5.4 Hatches, which are identified as forming part
of a means of escape shall be capable of being opened from both sides.
5.5 Hatches, which are required to be kept closed
for safety reasons when the vessel is at sea shall have prominent
“keep closed” warning notices attached to
the vessel structure on both sides.