5.8 Ballast condition
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Specifications and Manuals - Inert Gas Systems - 5 Application to Cargo Tank Operation - 5.8 Ballast condition

5.8 Ballast condition

  5.8.1 During a ballast voyage, tanks other than those required to be gas-free for necessary tank entry should be kept inerted with the cargo tank atmosphere at a positive pressure of not less than 100 mm water gauge having an oxygen level not exceeding 8% by volume especially during tank cleaning.

  5.8.2 Before any inert gas is introduced into cargo tanks to maintain a positive pressure it should be established that the inert gas contains not more than 5% by volume of oxygen.

Parent topic: 5 Application to Cargo Tank Operation
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