ClassNK releases amendments to rules

Leading classification society ClassNK released amendments to its “Rules and Guidance for the Survey and Construction of Steel Ships” on 8 May 2015.

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. The Rules and Guidance are amended regularly to reflect the latest research results from damage investigations as well as changes made to relevant international conventions, IACS Unified Requirements, national regulations, and requests from the maritime industry. The amendments, dated 8 May 2015, include the following:

• Requirements related to “Propeller Shaft Condition Monitoring Systems”, in response to requests from the industry.
• Requirements related to “Material Factors of Rolled Stainless Steel and Stainless Clad Steel Plates”, to reflect recent research and development results.
• Requirements related to “Means of Escape from Machinery Control Rooms and Main Workshops”, to reflect changes made to relevant international conventions.
• Requirements related to “Installation Positions of Fixed Hydrocarbon Gas Detection Systems”, to reflect recent changes made to relevant IACS Unified Requirements.

Image:UT Wind Challenger / ClassNK