1 A portion of open deck, recessed into a deck
structure, machinery casing, deck house, etc., utilized for the exclusive
storage of gas bottles is considered acceptable for the purpose of regulation II-2/4.3 provided that:
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.1 such a recess has an unobstructed opening,
except for small appurtenant structures, such as opening corner radii,
small sills, pillars, etc. The opening may be provided with grating
walls and door; and
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.2 the depth of such a recess is not greater than
1 m.
2 A portion of open deck meeting the above should
be considered as open deck in applying tables
9.1 to 9.8 of SOLAS chapter II-2.