If uniformly distributed in the cantilever pipe rack of the COASTAL DRILLER, how much pipe can be placed in the cantilever pipe rack area when the cantilever has been extended 40 feet aft of the transom?
Official USCG Answer & Rule Citation
Correct Answer: Option C — 500 kips
Cantilever load charts account for bending moments induced on the substructure when extended. Extending the COASTAL DRILLER cantilever 40 feet aft increases overturning moments, reducing allowable uniform deck load capacity in the pipe rack to a maximum of 500 kips.
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