The building official of this city shall be appointed by the city manager and shall have the powers and duties prescribed for the "building official" by the building code. The building official shall be under the supervision and direction of the city manager. The building official's powers and duties may be exercised by his authorized representatives under his supervision and control. The term "building inspector", whenever used in the ordinances of the city, means the building official. The terms "electrical inspector", "plumbing inspector", and "gas inspector", wherever used in the ordinances of the city, also each refer to and mean the building official, unless a separate electrical inspector, plumbing inspector, or gas inspector is appointed by the city manager. (1986 Code)