The administrative functions of the city shall be performed by various departments as are or may be established by this Charter or ordinances of the city. Upon recommendation of the city manager, council may consolidate or merge any of the said departments in order to achieve more efficient operation and administration. (Ord. No. 87-202, § 32, 11-3-1987; Ord. No. 91-47, § 6, 11-13-1991)