Main contents of the Amendments:

PART ONE  PROVISIONS OF CLASSIFICATION

Adding class notations of i-Ship(Tx) (intelligent towing operation), Icebreaker*(Strengthened icebreakers), ARC-M(x) (Higher strength steel for polar ships), PC X(y), Windfarm Service Vessel (Windfarm service vessels), LIQ(X) (Cargo liquefaction), IP (International ships carrying industrial personnel) etc.; Adding description of No MP being assigned separately to general dry cargo ships; Revising class notations of Icebreaker, Ore Carrier, EL100, Strengthened for Heavy Cargoes; Adding “The renewal of the approval certificate is to be completed within 3 months before the expiry date of the existing certificate, and the new approval certificate is to be valid to a date not exceeding five years from the date of expiry of the existing certificate.” in design approval, type approval and works approval of products; Adding “Test data, test reports and other relevant test information are to be submitted to CCS through CCS Product Inspection and Testing Organization Data Acquisition System.”; Adjusting relevant product certification lists; Adding requirements of load test of means of access for livestock to and from the ship.

PART TWO  HULL

Adding three class notations, i.e. Maximum cargo density x.y t/m³, No MP and Holds a, b, … may be empty and relevant technical requirements for general dry cargo ships; Adding technical requirement reference of external glass balustrades applicable to all ship types; Clarifying definition of calculation area of rudder horns; Adding requirements for chain cable fasteners in accordance with IACS Rec.10; Adding applicable rules requirements for heavy icebreakers, and revising equivalence between ice strengthening requirements of CCS and the ice classes of Finnish-Swedish Ice Class Rules; Incorporating IACS UR C6 Lashing Software, UR C7 Approval and Certification of Container Securing Systems, and adding reduction factor for short voyage; Clarifying that the transverse strength of the hull is to be checked for ferries carrying vehicles; Adding technical reference for ore carriers of 250 m and over in length and engaged in unrestricted service, and adding specific reference of No MP notation regarding loading and unloading in multiple ports for other ore carriers; Deleting average stress value of fine meshes in direct strength calculation of twin-hull craft.

PART THREE  MACHINERY INSTALLATIONS

Adding reference of Guidelines for Ships Using Liquefied Petroleum Gas Fuel; Applicable portable equipment may be accepted as means in the thermal oil system expansion tank for detection of flammable cargo vapors; Alarm is also to be provided for single circuit thermal oil system; Explanation of reference in Appendix 10 Safety of methanol/ethanol fuel engines and Appendix 11 Safety of ammonia fuel engines; Transfer of UR M84, clarifying capacity and availability of compressed air systems for essential services; Updating M61 in conjunction with M84 regarding capacity and availability of starting air; Adding general requirements, design requirements, special design requirements and relevant test for safety of ammonia fuel engines; Revising description of component deformation compensation measures in gear design; Adding requirements in case the control device of the clutch loses power.

PART FOUR  ELECTRICAL INSTALLATIONS

Revising application, definition and relevant requirements of UPS; Updating Table 2.18.5.1 Characteristics of Electrical Equipment for Use in Hazardous Areas for carriage of dangerous goods in bulk; For cargo ships of less than 500 GT, lighting for main engine rooms and boiler rooms is to be supplied by at least two final sub-circuits.

PART SIX  FIRE PROTECTION, DETECTION AND EXTINCTION

Paragraph 1.1.4.4 uses the description of 2.9.3.4, Section 9, Chapter 2, PART FOUR of the Rules to maintain consistency.

PART SEVEN  AUTOMATION SYSTEMS

Editorial revision of the class notation Cyber Security for computer bases systems.

PART EIGHT  ADDITIONAL REQUIREMENTS

Clarifying the assignment of class notation of Fishing Vessel; Adding class notation of “PC X(y)” for different hull areas; Clarifying that during shore supply, at least one of the ship’s main generators or harbor generators is to be standby; Clarifying that equivalency evaluation or operational limitations may be used so as to ensure the achievement of goals and functional requirements of the rules; Updating the definition of Minimum Anticipated Temperature (MAT); Refining simplified and FE methods of assessment of anti-collision capacity of ships, which are applicable to different levels of calculation assessment.

PART TEN  SHIPS IN RESTRICTED SERVICE

For public affair ships etc. that are not high-speed and whose main hull is made of aluminum alloy, reference is made to CCS Guidelines for Structure of Non-High-Speed All-Aluminum Alloy Sea-Going Ships; For ships of less than 65 m in length and engaged in restricted service, the minimum thickness of members need not comply with relevant requirements of PART TWO of the Rules and separate requirements are specified; Adding the class notation Dredging Within Harbour; Container ships engaged on non-international voyages are exempted from the requirements of newly effective UR C6\C7.