A.   There shall be a street department, the head of which shall be the street superintendent, appointed by the city manager for an indefinite term. Subject to supervision and control by the public works director, the street superintendent shall have supervision and control of the street department.
   B.   It is the duty of the street department, among others, to construct, repair, maintain and improve streets, alleys and other public ways. (Prior code §§ 1-21, 1-22)