![]() Most ships now have their machinery arranged aft or three-quarters aft, and are fitted with deep tanks forward to improve the trim in the light conditions.Ĭonstruction of deep tanks Bulkheads which form the boundaries of a deep tank differ from hold bulkheads in that they are regularly subjected to a head of liquid. However in modern cargo liners they may require to be judiciously placed in order to avoid excessive stresses in different conditions of loading. ![]() In cargo liners where the carriage of certain liquid cargoes is common practice it was often an advantage to have the deep tanks adjacent to the machinery space for cargo heating purposes. These tanks were frequently used for carrying general cargoes, and also utilized to carry specialist liquid cargoes. ![]() Deep tanks were often fitted adjacent to the machinery spaces amidships to provide ballast capacity, improving the draft with little trim, when the ship was light. ![]()
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