2 Definitions
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Statutory Documents - IMO Publications and Documents - Resolutions - Marine Environment Protection Committee - Resolution MEPC.149(55) - Guidelines for Ballast Water Exchange Design and Construction Standards (G11) - (Adopted on 13 October 2006) - Annex - Guidelines for Ballast Water Exchange Design and Construction Standards (G11) - 2 Definitions

2 Definitions

  2.1 For the purposes of these Guidelines, the definitions in the Convention apply and:

  • .1 "Ballast Water Tank" – means any tank, hold or space used for the carriage of ballast water as defined in Article 1 of the Convention.

  • .2 "Sequential Method" – means a process by which a ballast tank intended for the carriage of ballast water is first emptied and then re-filled with replacement ballast water to achieve at least a 95 per cent volumetric exchange.

  • .3 "Flow-through Method" – means a process by which the replacement ballast water is pumped into a ballast tank intended for the carriage of ballast water, allowing water to flow through overflow or other arrangements.

  • .4 "Dilution Method" – means a process by which replacement ballast water is filled through the top of the ballast tank intended for the carriage of ballast water with simultaneous discharge from the bottom at the same flow rate and maintaining a constant level in the tank throughout the ballast exchange system.

Parent topic: Annex - Guidelines for Ballast Water Exchange Design and Construction Standards (G11)
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