(1) All hatchways in Positions 1 and 2 shall-
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(a) be fitted with hatch covers of steel or other equivalent
material;
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(b) have hatch covers which shall be weathertight and fitted with
gaskets and clamping devices;
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(c) have means for securing and maintaining weathertightness
which shall be to the satisfaction of the Administration;
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(d) have arrangements which ensure that the weathertightness can
be maintained in any sea conditions, and for this purpose
tests for weathertightness shall be required at the initial
survey and may be required at renewal and annual surveys or
at more frequent intervals; and
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(e) shall be so designed to comply with strength and securing
requirements as defined in Regulation 16 of the Load Line
Convention.
(2) The coamings of hatchways shall be of substantial construction in accordance
with their position, and their height above the deck shall be at least as
follows-
(3) In the case of hatchways which comply with regulation 16 of the Load Line
Convention, as amended, the height of these coamings may be reduced, or the
coamings omitted entirely, on condition that the Administration is satisfied
that the safety of the ship is not thereby impaired in any sea conditions.
(4) Where flush deck hatches or hatches without any coamings are provided the
arrangements shall comply with the following functional
requirements-
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(a) the hatch cover shall be watertight and meet the strength
requirements of Regulation 16 of the Load Line
Convention;
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(b) the local deck strength is to be locally increased to
avoid deformation;
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(c) the hatch is to be closed at sea and marked accordingly
and shall be provided with open/close indication at
the navigating position;
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(d) the means of securing is to be designed so as to maintain
watertight integrity;
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(e) the space to which the hatch leads is to be provided with
low and high level bilge alarms; and
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(f) the vessel can comply with the enhanced survivability
standard as defined in Section 4.30 with the space
or spaces to which the hatch leads flooded.
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(g) where the hatch is provided for infrequent or emergency
use only and is not used when at sea, paragraph (f)
need not be complied with
(5) Hatches which are designated for escape purposes shall comply with the
following requirements-
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(a) they shall be provided with covers which can be opened
from either side and in the direction of escape they
are able to be opened without a key;
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(b) all handles on the inside are to be non removable; and
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(c) an escape hatch shall be readily identified and easy and
safe to use, having due regard to its position.