CCS Implements New Classification Rules for Sea-Going Steel Ships

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  • China Classification Society (CCS) announced Rule Change Notice No. 1, introducing revisions to the Rules for Classification of Sea-Going Steel Ships, with updates effective January 1, 2025.
  • The changes span hull structures, machinery installations, fire safety, automation, and additional requirements for specialized vessels like livestock carriers and wind farm service vessels.
  • Updates aim to improve ship safety, performance, and compliance with modern shipping demands.

China Classification Society (CCS) has issued Rule Change Notice No. 1 for the Rules for Classification of Sea-Going Steel Ships, which will take effect on January 1, 2025. The updates cover critical areas, ensuring enhanced safety, efficiency, and operational standards for sea-going vessels, reports MARINE REGULATIONS.

Hull Structures and Equipment

Chapter 2 introduces improved buckling strength assessments, with updated methodologies outlined in Appendix 5.

Chapter 3 includes revisions to the calculation of bending moment and shear force distribution, providing clearer guidelines for shipbuilders and operators.

Machinery Installations

Changes in Chapter 1 set new provisions for machinery systems, ensuring operational robustness.

Chapter 2 emphasizes testing protocols and the type approval process for mechanical joints, including heat treatment and non-destructive testing guidelines.

Chapter 4 introduces fuel usage requirements for tanker boilers, and Chapter 9 focuses on diesel engine safety, especially for low-pressure gas fuel engines. Updates also enhance shafting and propeller standards in Chapter 11.

Electrical Installations

Appendix 2 now features updated type approval procedures for plastic cable trays and protective casings, reflecting modern material standards.

Fire Protection Standards

Chapter 3 of Part Six provides significant updates to fire protection, detection, and extinguishing systems, ensuring compliance with evolving safety protocols.

Automation Systems

Chapter 2 highlights requirements for remotely controlled main propulsion machinery, catering to advancements in autonomous systems.

Chapter 4 refines automation requirements for machinery spaces classified as “constantly attended.”

Specialized Vessel Standards

New standards in Chapter 2 address hull stability, livestock provisions, firefighting, and electrical installations for these specialized vessels.

Chapter 38 introduces requirements for hull structures, stability, and survey protocols, recognizing the growing importance of renewable energy support vessels.

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Source: MARINE REGULATIONS