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The area under GZ
curve should not be less than 0.08m-r up to an angle of heel of 40 degrees or angle
of flooding (angle at which the lower edges of any openings in the hull,
superstructures or deck houses, being openings which cannot be closed
water tight are immersed) whichever
is lower. |
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The righting lever GZ shall be at least 0.25m at an
angle of heal equal to or greater than 30 degrees. |
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The maximum righting lever shall occur at an
angle of heel of not less than 30 degrees. |
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The initial transverse metacentric height (GM)
shall not be less than 0.05m. |
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At all times during the voyage the GM should be
positive after correcting FSC for the tanks, absorption of water by deck
cargo, ice accretion on the exposed surfaces. |