Class NK releases amendments to its rules and guidance for container carriers

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ClassNK logoAmendments to classification Society Class NK’s rules and guidance for container carriers have been released.

The draft amendments were approved by the ClassNK Technical Committee, which is made up of representatives from the shipping and shipbuilding industries as well as scholars and experts to discuss matters relation to the establishment and revision of technical rules and guidance, in Tokyo on 19th November.

In response to a large container ship casualty in June 2013, ClassNK established The Investigative Panel on Large Container Ship Safety, which comprised of shipbuilders, shipping companies, and people with relevant knowledge and experience, to investigate the possibility of casualty occurrence and the structural safety of large container carriers.

The results from the investigation and ClassNK’s action plan were released in the Investigation Report on Structural Safety of Large Container Ships in September 2014.

The International Association of Classification Societies (IACS) adopted the new Longitudinal Strength Standard for Container Ships (Unified Requirement S11A) and Functional Requirements on Load Cases for Strength Assessment of Container Ships by Finite Element Analysis (Unified Requirement S34).

Based on the IACS UR S11A and S34, and the reports released by ClassNK and Japan’s MLIT, ClassNK drafted amendments to its relevant rules and guidance. These amendments were then submitted to and approved by the ClassNK Technical Committee.

Japan’s Ministry of Land, Infrastructure, Transport and Tourism (MLIT) Committee on Large Container Ship Safety released recommendations of requirements for large container ships in its Final Report in March 2015.

The development and implementation of more comprehensive rules demonstrates ClassNK’s commitment to building even safer ships. The amendments will come into effect after receiving approval from ClassNK’s Board of Directors. The rules are scheduled to apply to container ships contracted for construction on or after 1 April 2016, three months before the application of the IACS UR S11A and S34.

The draft amendments are available on the ClassNK website for ‘My Page’ users at Rule Amendments for Technical Rules section.

 

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