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The stability conditions of watercraft are the various standard loading configurations to which a ship, boat, or offshore platform may be subjected. They are recognized by classification societies such as Det Norske Veritas, Lloyd's Register and American Bureau of Shipping (ABS).
Every cargo in ship is controlled before being unloaded. The controls are strict for the chemical and oil carriers and are conducted by an independent surveyor. The ullage is a means to calculate the quantity in the tanks; the sample of content gives an idea of the quality (density and temperature) of liquid in tanks. The surveyor must have ...
The first edition of the Register of Ships was published by Lloyd's Register in 1764 and was for use in the years 1764 to 1766. Bureau Veritas (BV) was founded in Antwerp in 1828, moving to Paris in 1832. Lloyd's Register reconstituted in 1834 to become 'Lloyd's Register of British and Foreign Shipping'.
Lloyd’s Register (“LR”) load line mark and lines and timber load line mark and lines for power-driven merchant vessels Lloyd’s Register (“LR”) load line mark and lines for commercial sailing vessels. The original "Plimsoll mark" was a circle with a horizontal line through it to show the maximum draft of a ship.
Lloyd's Register Group Limited, trading as Lloyd's Register (LR), is a technical and professional services organisation and a maritime classification society, wholly owned by the Lloyd’s Register Foundation, a UK charity dedicated to research and education in science and engineering. The organisation dates to 1760.
Simpson's rules are used to calculate the volume of lifeboats, [6] and by surveyors to calculate the volume of sludge in a ship's oil tanks. For instance, in the latter, Simpson's 3rd rule is used to find the volume between two co-ordinates. To calculate the entire area / volume, Simpson's first rule is used. [7]
The Lloyd's Register of Shipping records the details of merchant vessels over 100 gross tonnes, which are self-propelled and sea-going, regardless of classification. Before the time, only those vessels classed by Lloyd's Register were listed. Vessels are listed alphabetically by their current name. Date: 1919: Source
HMCS Provider was a replenishment oiler and sole ship of her class of first the Royal Canadian Navy and later the Canadian Forces.She was the first dedicated auxiliary oiler replenishment ship commissioned for the Royal Canadian Navy in 1963, and the largest ship built in Canada to that date. [5]