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Publications
Vanem, E., Antão, P., Del Castillo de Comas , F. and Skjong, R. (2007), “Formal Safety Assessment of LNG Tankers”, Proceedings of the 10th International Symposium on Practical Design of Ships and Other Floating Structures (PRADS´07), Houston, Texas, United States of America
LNG carriers are normally considered to be among the safest vessels in the merchant fleet today. and tThey have a reputation within the industry of being well designed, constructed, maintained and operated with a high focus on safety in every aspect. However, in order to quantify the risk level, and also as well as to evaluate design options for improved safety, this paper presents a Formal Safety Assessment of the world fleet of oceangoing LNG carriers. Modular risk models for critical accident scenarios have been developed and in this way, high-risk areas pertaining to LNG shipping operations have been identified. Both the individual and the societal risk level were demonstrated to lie within the ALARP area, suggesting that further risk reduction from cost cost-effective risk control options should be required. It was further shown that several cost-effective risk control options related to navigation exist, and these should be recommended for mandatory implementation. Other options that were evaluated turned out to be not less cost-effective.
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