The Safety Assessment in Terms of a Freeboard

For the further improvement of a safety, a safety level of a current regulation should be verified. Because some requirements of the regulation had been provided empirically, it is important to verify the safety level in terms of a freeboard, which is one of factors for the safety of a ship. In particular, there has been a significant change in terms of ship types and its size after the provision of the current regulation of the freeboard. It is important not only for conventional ships but also for new type of ships to clarify the safety level and the technical background in the current regulation. Based on this background, the safety level in terms of a freeboard and a sheer was assessed by means of a series of model tests and an analytical study. It was confirmed that a freeboard, which is provided by the current regulation, ensure the adequate safety level in terms of deck wetness. It was also confirmed that there is a room for the modification of a standard sheer in the current regulation.