Question 4429Deck General70% to pass
The DEEP DRILLER may remain at operating draft instead of deballasting to survival draft when _______________.
AI Explanation
The correct answer is B) critical motion limits have not been exceeded.
The DEEP DRILLER is a type of mobile offshore drilling unit (MODU) that is designed to maintain its operating draft instead of deballasting to survival draft when the critical motion limits have not been exceeded. This is in accordance with the regulations and guidelines for the operation of MODUs, which prioritize the stability and safety of the vessel over reducing its draft in extreme weather conditions.
The other answer choices are incorrect because: A) the maximum wave height alone does not determine the need to deballast, B) is the correct answer, C) high winds alone do not necessitate deballasting, and D) the proximity of waves to the spider deck is not the sole factor in deciding whether to deballast.
Related Questions
#4427 While preloading, the COASTAL DRILLER has a total weight of 21,401 kips. The LM are 2,560,416 ft-kips, and the TM are -6,206 ft-kips. What is the port leg reaction? #4428 You are operating a liftboat. When jacking down and a leg becomes stuck on the bottom, you should _______________.#4430 To maintain a high state of readiness against the possibility of damage and subsequent flooding while aboard the DEEP DRILLER, you should _______________.#4431 You are operating a liftboat. When jacking down and free of the bottom you should _______________.#4432 You are operating a liftboat. When beginning to jack down you should _______________.