Section 11 Ballast system
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Ships, July 2022 - Part 5 Main and Auxiliary Machinery - Chapter 13 Ship Piping Systems - Section 11 Ballast system

Section 11 Ballast system

11.1 Stand-by arrangements for ballast pumping

11.1.1 Where ballasting/de-ballasting is required for ship operation or trading purposes stand-by ballast pumping arrangements are to be provided, see also Pt 5, Ch 13, 6.2 General service pumps 6.2.1 and Pt 5, Ch 15, 2.4 Drainage of ballast tanks and void spaces within the range of the cargo tanks 2.4.4.

11.2 Integrated cargo and ballast systems

11.2.1 Where ballast and cargo systems share power supplies and/or control engineering systems, the additional requirements of this sub-Section apply.

11.2.2 A failure is not to prevent operation of the ballast system by other means.

11.2.3 Controls to stop the cargo system, including normal controls and emergency stop and safety shutdowns, are not to prevent operation of the ballast system.

11.3 Anti-heeling arrangements

11.3.1 Where tanks are provided with anti-heeling arrangements to limit the angle of heel during loading, at least one shut-off valve in the anti-heeling cross pipe or channel between the tanks shall automatically close in the event of failure of power supply to the anti-heeling pump.


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