Aboard the DEEP DRILLER, the bilge pumps take suction from the pump rooms, cofferdam, void area, access trunk, and __________.

Correct Answer: Option D — center column chain lockers

Vessel piping diagrams for the DEEP DRILLER specify that the bilge system connects to machinery spaces, cofferdams, voids, access trunks, and the center column chain lockers to maintain comprehensive damage control and flooding mitigation capabilities.