Marine Safety Regulations




Oct. 12.] THE NEW ZEALAND GAZETTE. 3247

In ships having discontinuous freeboard decks within super-structures which are not intact, or which are not fitted with Class 1 closing appliances, the lowest line of the deck below the super-structure deck is taken as the freeboard deck.

Amidships.—Amidships is the middle of the length of the summer load water-line, as defined in Rule XXXII.

Rule II.—Deck Line.

The deck line is a horizontal line twelve inches in length and one inch in breadth. It is to be marked amidships on each side of the ship, and its upper edge is to pass through the point where the continuation outwards of the upper surface of the freeboard deck intersects the outer surface of the shell. (See figure 1.) Where the deck is partly sheathed amidships, the upper edge of the deck line is to pass through the point where the continuation outwards of the upper surface of the actual sheathing at amidships intersects the outer surface of the shell.

Rule III.—Load Line Disc.

The load line disc is twelve inches in diameter and is intersected by a horizontal line eighteen inches in length and one inch in breadth, the upper edge of which passes through the centre of the disc. The disc is to be marked amidships below the deck line.

Rule IV.—Lines to be used in connection with the Disc.

The lines which indicate the maximum load line in different circumstances and in different seasons (see Annex II) are to be horizontal lines, nine inches in length and one inch in breadth, which extend from, and are at right angles to, a vertical line marked 21 inches forward of the centre of the disc (see figure 1).

The following are the lines to be used :—

Summer Load Line.—The Summer load line is indicated by the upper edge of the line which passes through the centre of the disc and also by a line marked S.

Winter Load Line.—The Winter load line is indicated by the upper edge of a line marked W.

Winter North Atlantic Load Line.—The Winter North Atlantic load line is indicated by the upper edge of a line marked WNA.

Tropical Load Line.—The tropical load line is indicated by the upper edge of a line marked T.

Fresh Water Load Lines.—The fresh water load line in summer is indicated by the upper edge of a line marked F. The difference between the fresh water load line in summer and the summer load line is the allowance to be made for loading in fresh water at the other load lines. The tropical fresh water load line is indicated by the upper edge of a line marked T.F.*

FIGURE 1.

  • Where sea-going steamers navigate a river or inland water, deeper loading is permitted corresponding to the weight of fuel, &c., required for consumption between the point of departure and the open sea.


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🚂 Rules for determining Maximum Load Lines of Merchant Ships (continued from previous page)

🚂 Transport & Communications
Load Lines, Merchant Ships, Marine Safety, Regulations, Definitions, Steamer, Sailing Ship, Freeboard, Superstructure, Deck Line, Load Line Disc, Summer Load Line, Winter Load Line, Winter North Atlantic Load Line, Tropical Load Line, Fresh Water Load Lines