IMSBC Code Group A - Nickel Ore - Iron Ore Fines - Bauxite Cargo liquefaction may result in cargo shift and loss of stability; this has been the cause of a number of serious casualties during the last years and now liquefaction is being considered as a major hazard for bulk carriers.Liquefaction occurs when a cargo (which may not appear visibly wet) has a level of moisture in between particles. During a voyage, the ship movement may cause the cargo to liquefy and become viscous and fluid, which can lead to cargo flowing with the roll of the ship and potentially causing a dangerous list and sudden capsize of the vessel. Special consideration and precautions should be taken when loading a cargo which may liquefy.DNV GL has recenlty published an informative guideline for the design and operation of vessels with bulk cargo that may liquefy. The main risk for a vessel carrying cargo that may liquefy is shifting of the cargo.The following cargoes are subject to liquefaction:1. IMSBC Code Group AIn the IMSBC Code, the cargoes have been divided into three groups. Group A consists of cargoes that may liquefy. Group B are cargoes with a chemical hazard. Group C ...
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