Deck General USCG Question #5091 (Set 158)

The COASTAL DRILLER, while drilling has a total weight of 15,435 kips. The LM are 1,975,680 ft-kips and the TM are -15,435 ft-kips. What is the starboard leg reaction?

Official USCG Answer & Rule Citation

Correct Answer: Option C — 5,559 kips

Transverse and longitudinal moment equations distribute the total platform weight across the three support legs. Applying the exact moment values given (-15,435 ft-kips TM and 1,975,680 ft-kips LM) into the MODU's stability booklet formulas yields a starboard leg reaction of 5,559 kips.

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