263. You are pushing a 1,000 GT gasoline tank barge which is not gas free. By regulation, which is TRUE concerning cargo tank hatches, ullage holes, and Butterworth plates on the barge?

Cargo tank hatches, ullage holes, and Butterworth plates on a gasoline barge that is not gas free may only be opened without flame screens under the direct supervision of the senior crew member on duty, as regulations prioritize minimizing exposure and require strict control during necessary operations.