The COASTAL DRILLER is elevated while preparing for the passage of a severe storm. With ideal loading, the static loading on each of the three legs would be 4,715 kips. However, the LCG is 121 feet AFO and TCG is 0.5 foot to starboard of the centerline. By how many kips does the starboard leg reaction exceed the ideal loading?
Official USCG Answer & Rule Citation
Correct Answer: Option C — 149 kips
Accounting for transverse center of gravity (TCG) offsets using three-point reaction formulas demonstrates that the starboard leg reaction exceeds ideal symmetric loading by exactly 149 kips.
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