How much drill water is required for transfer between drill water tanks 25 and 26 in order to correct the list of the COASTAL DRILLER with total transverse moments of -6,800 ft-kips?
Official USCG Answer & Rule Citation
Correct Answer: Option C — 100 kips from tank 25 to tank 26
Transverse stability corrections require shifting weight across the centerline. To offset a transverse moment of -6,800 ft-kips using tanks 25 and 26, standard stability principles dictate transferring 100 kips from port/starboard tank 25 to tank 26 to correct the heel per rig operating manuals.
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