ClassNK Releases 2013 Steel Ship Rules
Thursday, April 25, 2013

ClassNK released the 2013 edition of the Rules and Guidance for the Survey and Construction of Steel Ships.

ClassNK continuously reviews, updates and amends its technical rules and guidance as part of its ongoing efforts to improve the safety of life and property at sea, and to protect the marine environment. This year’s edition of the rules and guidance contains a number of amendments made in 2012, reflecting its latest research outcomes, damage investigation and analysis of actual cases, amendments to statutory rules and regulations and requests from the maritime industry. These amendments include the following:

Amendment: New requirements for Specially Constructed Cargo Ships for the Carriage of Nickel Ore
Source: Results of Research and Development

Amendment: New requirements for Structural Strength at Bow Parts for Blunt Ships
Source: Damage investigation feedback obtained during surveys

Amendment: New requirements for the Energy Efficiency, etc. of Ships
Source: Changes made to relevant international conventions

Amendment: New requirements for Steering Tests at Sea Trials
Source: Changes made to relevant IACS Unified Requirements

Amendment: New requirements for Structural Bonding Methods for FRP Ships
Source: Requests from industry

Both printed and CD-ROM versions of the 2013 edition of the rules and guidance are available for purchase online, and the PDF version of the 2013 edition of the rules and guidance is available free of charge on ClassNK’s website ( for those who have registered for the ClassNK “My Page” service. To register for the “My Page” service free of charge, go to ClassNK’s website and click on the “My Page Login” button.


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