All vessels (except tugs) carrying passengers shall be provided with a gang-plank at least 4 feet wide, with a hand rail on each side thereof 4 feet high. The space between the hand rail and the gang-plank to be so enclosed so as to prevent any person passing over said gang-plank from falling overboard. Said gang-plank to be used by said vessel at all times upon making fast to any wharf or pier in the City of Baltimore for the purpose of embarking or debarking passengers. The master of any vessel violating this section shall pay a fine of $50. City Code, 1927, art. 15, §41 1950, art. 11, §43 1966, art. 10, §43 1976/83, art. 10, §43 Ord. 09-293