DCV Boulder Vessel Operations

Sean Riley, a professional rigger, embarks on a mission to replace a thruster on a deep-water construction vessel. The process involves complex underwater operations, including detaching the old thruster and installing a new one using cranes and divers. Despite challenges like stuck bolts and the need for precise alignment, the team successfully completes the task, ensuring the vessel's continued operation. The video highlights the technical expertise and teamwork required for such a demanding task.

What is the primary role of the DCV Boulder vessel?

• Transporting goods across the ocean

• Conducting marine research

• Servicing the oil industry

• Fishing in deep waters

How many thrusters power the DCV Boulder vessel?

• Six

• Seven

• Five

• Eight

What is the first step in replacing a thruster on the vessel?

• Attaching cables to the old thruster

• Removing the propeller

• Taking the vessel to a garage

• Flipping the vessel upside down

What is the estimated time to swap a thruster if everything goes smoothly?

• 5 to 6 hours

• 9 to 10 hours

• 7 to 8 hours

• 3 to 4 hours

What happens to the old thruster after it is removed?

• It is discarded in the ocean

• It is sent to a factory for refurbishing

• It is sold to another company

• It is stored on the vessel

What is the role of the divers during the thruster installation?

• To paint the vessel

• To release the crane line

• To clean the thruster

• To operate the crane

What issue did Ryan face during the installation process?

• The weather was too rough

• The thruster was too heavy

• The bolt was stuck

• The crane line was too short

What is the weight of the thruster being maneuvered into position?

• 28 tons

• 58 tons

• 38 tons

• 48 tons

What is crucial for the O-rings during the final installation?

• They must be painted

• They must be lubricated

• They must seat just right

• They must be replaced

What could happen if the winches do not lift evenly?

• The vessel could capsize

• The crane could malfunction

• The housing could rip off

• The thruster could fall into the ocean