5 Method of Calculation
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Statutory Documents - IMO Publications and Documents - Resolutions - Marine Environment Protection Committee - Resolution MEPC.157(55) - Recommendation on Standards for the Rate of Discharge of Untreated Sewage from Ships - (Adopted on 13 October 2006) - Annex - Recommendation on Standards for the Rate of Discharge of Untreated Sewage from Ships - 5 Method of Calculation

5 Method of Calculation

  5.1 The calculated swept volume of the ship is to be determined for drafts up to and including the summer draft assigned in accordance with Article 3 of International Convention on Load Lines, 1966.

  5.2 Where a ship is to discharge sewage from a holding tank using a pump calibrated at a fixed rate, the pump can either be:

- calibrated at a the rate permitted at 4 knots; or

- calibrated for a specific minimum ship's speed in excess of 4 knots.

  5.3 Where the intended actual discharge rate exceeds that permissible at 4 knots, the actual discharge rate may need to be reduced or the speed increased. The rate and speed is to be detailed in the approval issued by the Administration.

Parent topic: Annex - Recommendation on Standards for the Rate of Discharge of Untreated Sewage from Ships
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