5.1.1.1 All openings leading to spaces below the
weather deck not capable of being closed weathertight, must be enclosed
within either an enclosed superstructure or a weathertight deckhouse
of adequate strength meeting with the requirements of the Load Line
Assigning Authority.
5.1.1.2 All exposed hatchways which give access
from position 1 and position 2 are to be of substantial weathertight
construction and provided with efficient means of closure. Weathertight
hatch covers should be permanently attached to the vessel and provided
with adequate arrangements for securing the hatch closed.
5.1.1.3 Hatches which are designated for escape
purposes should be provided with covers which are to be openable from
either side and in the direction of escape they are to be openable
without a key. All handles on the inside are to be non removable.
An escape hatch should be readily identified and easy and safe to
use, having due regard to its position.