The Japanese classification society Nippon Kaiji Kyokai, better known as ClassNK, issued amendments to its rules and instructions for the survey and construction of ships on June 1, 2017. The message of ClassNK states that it is constantly revising its Rules and Guidance in order to reflect the latest results from relevant research and development projects, feedback from damage and accidents investigations, requests from industry, as well as changes made to relevant international conventions, IACS unified requirements (UR), national regulations, etc. The new rules are applicable for all vessels applying for classification after beginning of June.
The changes to requirements include: amendment related to the Torsional Strength of Container Carriers (to incorporate research and development results); amendment related to the Measures for Steering Control System Failures (to incorporate feedback from damage investigations); amendment related to the Marking of Safe Working Loads (in response to industry requests, etc); amendment related to the Recording of Engine Status, etc. in Nitrogen Oxide Emission Control Areas (in response to changes in international conventions, etc); amendment related to the Welders and Welder Qualification Tests (in response to changes in IACS Unified Requirements, etc).
The Japanese classification society Nippon Kaiji Kyokai (ClassNK, NK) provides classification and technical services to approximately 20% of merchant ships worldwide. ClassNK is authorized to conduct survey of vessels on behalf of 109 flag administrations around the world. In 2013, a total of 859 ships were introduced to the ClassNK register, with a gross tonnage of 20.5 million tons. For the third consecutive year, the company’s register is replenished on average by 20 million tons. In total, since 2003 the ClassNK register has grown by more than 100 million tons.