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How to prepare your BWM Plan?

In order to get your BWM Plan approved, you need to prepare and submit standard information as required in MEPC 127-53 and specific information depending on the BWM method used.

Standard information as required in Resolution MEPC 127-53

 

And if you use :

The flow-through method, click here

 

  • If total area of water overflowing openings on the tank is more than twice the sectional area of the related filling pipe,  you will need to prepare and submit:
    • Air vents and piping system diagrams;
    • The description of the flow-through method step by step procedure, listing the order of processed tanks - for each step, the tank, its volume, pumps used and the time needed for 3 exchanges
  • If total area of water overflowing openings on the tank is less than twice the sectional area of the related filling pipes, you will need to prepare and submit:       
    • Air vents and piping system diagrams;
    • The description of the flow-through method step by step procedure, listing the order of processed tanks - for each step, the tank, its volume, pumps used and the time needed for 3 exchanges;
    • Pressure drop calculation: without any such information, the BWM plan reviewed by Bureau Veritas will bear a reserve to be released only after satisfactory completion of on-board overfilling test agreed and witnessed by our surveyor.

 

The Sequential method, click here

 

If the ship is fitted with an approved loading instrument for regulatory stability and for longitudinal strength, or if the ship(s) have a length BP < 65m fitted with an approved loading Instrument for regulatory stability, no specific information will be required.

  • If the ship is not fitted with an approved loading instrument, or if the ship is fitted with an approved loading instrument only for longitudinal strength or only for regulatory stability, you will need to prepare and submit:
    • Ballast exchange sequences table showing for each step of the sequence, the tank(s) filled or emptied;
    • Detailed definition of the sequence of filling/emptying ballast tanks to include detailed loading conditions of all steps (from initial to final), showing stability criteria/results,  shear forces and bending moments at readout points;
    • For all classification after construction (CAC) vessels, lines plan/offset tables, capacity plan and general arrangement plan, which are required to allow creating a 3D geometric model;

 

Both flow-through and sequential methods, click here

 

Please make sure that information related to both methods is submitted.

 

The dilution method, click here

 

No specific information is required.

 

Request a quote for your BWMP approval