Deck General USCG Question #4200 (Set 134)

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. How much ballast is required to ballast to 32 feet?

Official USCG Answer & Rule Citation

Correct Answer: Option C — 2,294 long tons

Using the hydrostatic curves and displacement table for the DEEP DRILLER in Sample Load Form #1, the difference in displacement between the transit draft and the 32-foot survival draft requires exactly 2,294 long tons of additional water ballast.

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