The Director of Public Works shall be responsible for the supervision and control of all divisions of the department and for the performance of the functions herein assigned to such department. (Ord. 6863-NS § 1 (part), 2005: Ord. 5434-NS § 2 (part), 1982: Ord. 4777-NS § 1 (part), 1975: Ord. 4736-NS § 7 (part), 1974: Ord. 3264-NS (part), 1952: Ord. 3069-NS § 11.03, 1949)