1967-HKRS30-8-58_Part01 — Page 39

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(c) a structure extending from side to side of the ship not- withstanding the presence in it of an opening in the ship's side, unless the opening extends for one half or more of the length of the space which it serves and exceeds in height one third of the distance from deck to deck in way of the opening or two feet six inches, whichever is the greater;

(d) a passage way at the ship's side, unless it is four feet wide or more and is completely open to the weather at one end, or both ends, of its length;

(e) a recess, unless it extends from deck to deck for three feet or more of its width and is exposed to the weather; and

(f) any space having an opening in the deck over being a deck exposed to the weather, unless the area of the open- ing is one quarter or more of the deck area over the space.

Underdeck tonnage.

7.

Fim Schedul.

Second Setarduke.

Toonage of hatchways.

First Schedalle.

The underdeck tonnage of a ship shall be the sum of- (a) the tonnage of the space below the tonnage deck bounded

by

(1) the tonnage deck,

(ii) the upper surface of the double bottom tanks, open floors or ceiling as the case may be, and

(iii) the inner face of the timbers, frames or sparring as the case may be; measured in accordance with the provisions of paragraph 1 of Rule I of the First Schedule, but subject to such limitations specified in the Second Schedule as may be applicable in the circumstances of the case, and excluding the tonnage of breaks above the line of the tonnage deck; and

(6) the tonnage of shaft bossings and any other appendages forming part of the hull of the ship below the tonnage deck whether or not they project beyond the extreme points of measurement of that deck.

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The tonnage of all hatchways leading to space included in the gross tonnage of the ship other than internal hatchways totally enclosed within such space shall be measured in accordance with paragraph 5 of Rule 1 of the First Schedule and from the aggregate thereof there shall be deducted one half of one per cent of the ship's gross tonnage excluding such aggregate. The remain- der (if any) shall be the tonnage of the batchways, customarily referred to as 'excess of hatchways", to be included in the gross tonnage of the ship.

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Permanently closed-in spaces of the following kinds situat- ed on or above the upper deck shall not be included in the gross tonnage of the ship-

(a) dry cargo space, unless situated in a break above the

line of the upper deck;

(b) space fitted with and appropriated for the use of machin-

ery or condensers;

(c) the wheelhouse and chartroom, and space fitted with and appropriated for the use of radio and navigational aids; (d) skylights, domes and trunks which light or ventilate the

space they serve;

(e) chain lockers and space appropriated for working the

anchor gear and capstan:

() space appropriated for the storage of safety equipment or

batteries;

(g) companions and access hatches serving as protection for stairways or ladderways leading to space below, and openings over such stairways and ladderways;

(b) the galley, and any separate bakery fitted with ovens, provided in either case that no part thereof is appropriated for use for any other purpose;

(0) washing and sanitary accommodation forming part of the crew accommodation or appropriated for the use of the master;

workshops and storerooms appropriated for the use of pumpmen, engineers, electricians, carpenters and boat- swains, and the lamp-room;

(A) water ballast tanks not appropriated for use for any other

purposes:

( shelter space providing weather protection only for use, free of charge, by deck passengers in ships intended for use only on voyages not exceeding ten hours duration; (m) sheltered promenade space, glassed in and unfurnished except for deckchairs or similar light portable seating, in ships intended for use on international voyages: Provided that this regulation shall not apply in any case other than that specified at sub-paragraph (a) unless the space is certified by a surveyor of ships as being reasonable in extent, and properly constructed, for its purpose and is permanently marked by a notice stating that purpose.

Closed spaces on or above the upper deck not to ba included in

gross tonnage.