The COASTAL DRILLER, while drilling, has a total weight of 15,400 kips. The LCG is 120.00 feet AF0, and the TCG is -0.5 foot to port of the centerline. What is the starboard leg reaction?
Official USCG Answer & Rule Citation
Correct Answer: Option C — 5,104 kips
Leg reactions for jack-up units are calculated by taking moments about the longitudinal and transverse axes using total displacement, LCG, and TCG coordinates relative to the leg geometry. Solving these static equilibrium equations yields a starboard leg reaction of 5,104 kips.
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