A jack-up with a calculated moment to change list one inch (MCL1") of 1,350 foot- kips intends to transfer drill water from a tank with a TCG of 82 feet to a tank with a TCG of 18 feet. How much weight should be transferred to change the draft on the port side from 11.0 to 11.5 feet?

Correct Answer: Option D — 253.1 kips

To change the draft by 0.5 feet (6 inches), the required moment is 6 inches multiplied by the MCL1" of 1,350 foot-kips, totaling 8,100 foot-kips. Dividing this moment by the transverse distance between tank centers (82 - 18 = 64 feet) yields the required weight transfer of 126.6 kips.