It is unlawful for any person, except when duly authorized by the Fire Chief and Public Works Director to open, operate, close, turn off, or turn on any City-owned fire hydrant. When a fire hydrant has been used, the Public Works Director must be notified. [Ord. 962 Art. VI, § 65, 1959; Code 1970 § 13.16.150; Code 1954 § 4-3.128.]