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sea chest sizing

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  • sea chest sizing

    We are a ship builder involved with the design of a new vessel. can anybody direct us to a classification society formula that will determine the voulme of a sea chest for an OPV (offshore patrol vessel)? (or any formula)

  • #2
    The volume of sea chest normally depends on the engine and not on the ship type. The sea chest should be at least 1 m3 for every 750 kW engine output.
    Their is formula to calculate the plate thickness of the sea chest and it should not be less than-

    Click image for larger version

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    where P is blow out pressure of safety valve where P> 2