Subject to the control and direction of the council and the city manager, the duties and powers of the superintendent of streets are hereby fixed as follows: (a) He shall have general care, maintenance, and superintendence of all streets, alleys, roads, highways, curbs, gutters, and sidewalks, in the city. It shall be his duty to frequently inspect the same, remove all unlawful obstructions therefrom, and cause the same to be kept in repair and suitable condition for use. (b) He shall receive and investigate all complaints respecting the conditions of streets and highways within the city, and shall, from time to time, report the conditions thereof to the city manager and recommend such repairs and permanent improvement thereon as he may deem necessary and desirable. (c) He shall enforce all laws, provisions of this Code and other city ordinances, and shall also enforce all orders, rules, and regulations, of the council and the city manager, concerning the use, occupation, and obstructions of all streets, alleys, roads, highways, curbs, gutters, and sidewalks, in the city, and shall have authority to arrest any person violating the same. (d) He shall cause all provisions of this Code, other ordinances, resolutions, and regulations, of the council concerning the numbering of houses, to be enforced and observed. (e) He shall supervise the cleaning of all streets, alleys, roads, highways, curbs, gutters, and sidewalks, in the city. (f) He shall have general charge and supervision of the city's sewerage system, both sanitary and drainage. He shall see that all main and lateral sewers are maintained and kept at all times in good repair and suitable condition for use; shall cause such sewers to be flushed and properly cleansed; shall issue permits for all connections with sewers and supervise the making thereof; and shall superintend all extensions of the sewerage system and the construction of all new sewers. (g) The superintendent of streets shall perform such other duties and exercise such other powers as may be required of, or conferred upon, him by the provisions of law, or by the ordinances of the city, or as ordered by the city manager. (Ord. No. 954 (NCS), § 1.) * As to buildings generally, see Ch. 9 of this Code. As to streets and sidewalks generally, see Ch. 30.