RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS CCS RULE CHANGE NOTICE Version 2025. RCN No.3

This RCN contains the following revisions:

PART ONE:

Adding a new C7 according to PR1A (Rev.10 Oct 2024), requiring passenger ships to submit additional drawings/documents.

PART THREE:

1. Incorporating UR M46 to add reference explanations;

2. Incorporating UR M25 (Rev.5 Dec 2024). The main propulsion astern power used in the astern trial refers to the minimum astern power required by SOLAS II-1 / 28.1, and the maximum value is specified. The main propulsion astern revolutions are not associated with ahead rated revolutions;

3. Incorporating UR P4 (Rev.8 Sep 2024) to specify that the penetrations used for the passage of plastic piping systems shall be successfully prototype tested for watertight integrity, after the fire test suitable for the installation position;

4. Incorporating UR M10 to add requirements for provision of ventilation pipes, equivalent measuring devices, alarm arrangement information;

5. Incorporating UR M52 to refer to UR M85;

6. Corrigendum of one of the values of the parameter G according to the FSCIR 2021 version.

PART SIX:

Revising 3.4.13 according to the latest UR F44 Rev.3 Corr.1.

PART SEVEN:

Revising the stage of verification for project specific implementation of the procedure for management of change of a computer-based system in accordance with IACS UR E22.Rev.3.Corr.1.

PART EIGHT:

1. Corrigendum according to URI3(Rev.2 Corr.1 Dec 2024);

2. Adding a new Chapter 39 Technical requirements for Enhanced Firefighting Safety of ro-ro transportation of lithium battery power vehicles.

This RCN is recommended to take effect on 1 January 2026.

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS CCS RULE CHANGE NOTICE Version 2025. RCN No.3 .pdf

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RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS CCS RULE CHANGE NOTICE Version 2025. RCN No.3

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