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CLASSNK RELEASES LATEST SHIP CONSTRUCTION RULES

Monday, January 6, 2020 

ClassNK has recently released new amendments to its ‘Rules and Guidance for the Survey and Construction of Steel Ships’.

The Japanese classification society says 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 investigations, requests from the industry as well as changes made to relevant international conventions, IACS unified requirements (UR), national regulations, and so on.

Among the specific items in the latest amendments are:

  • In response to feedback from damage investigations; - Amendment related to the Welding for Cross-joints subject to High Stress, Towing Winch Emergency Release Systems, and Arrangement, Connection and Protection, etc. of Piping Systems
  • In response to industry requests; - Amendment related to the Steels Subject to Special Requirements for Ammonia Carriers, Clarification of the Application of the Requirements for Fire Protection and Extinction, and the Guidance related to Alarms, etc. of Drip Trays Provided for Exhaust Gas Cleaning Systems
  • In response to changes in international conventions; - Amendment related to the Rules and Guidance related to Damage Stability, the Guidance related to Winches for Lifeboats Other Than Free-fall lifeboats, and the Rules and Guidance related to Modernization of the GMDSS
  • In response to changes in IACS Unified Requirements; - Amendment related to the Rules and Guidance related to Condition Based Maintenance Scheme for Machinery, the Rules and Guidance related to the Materials used for the Principal Components of Diesel Engines, etc., and the Guidance related to Environmental Tests for Automatic Equipment

The PDF files of ClassNK Rules and Guidance are available free of charge via ClassNK’s website.

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