ClassNK Amends Its Shipbuilding Rules

Classification society ClassNK has released amendments to its Rules and Guidance for the Survey and Construction of Steel Ships.

• Amendment related to the High-strength Materials used for Intermediate Shafts (to incorporate research and development results)
• Amendment related to the Closing Appliances for Air Pipes in Machinery Rooms, etc. (to incorporate feedback from damage investigations)
• Amendments related to the Testing Environment for Chemical Composition Analysis and Testing Machines for Mechanical Testing (in response to industry requests, etc.)
• Amendment related to the IGF Code (Gas and low-flashpoint fuels code) and the Polar Code (in response to changes in international conventions, etc.)
• Amendment related to the Number of Spare Cylinders to be Provided in Connection with Drills (in response to changes in IACS Unified Requirements, etc.)