Final answer:
During continuous operations, a Site Controller, Controller, or qualified maintenance person will monitor the winch drum unit once every two hours.
Step-by-step explanation:
The statement in the question is true. During continuous operations, a Site Controller, Controller, or qualified maintenance person will monitor one operating cycle at the winch drum unit at least once every two hours. This monitoring is necessary to ensure the proper functioning of the winch and to address any issues or maintenance needs that may arise during the operation.