The Director of Public Works shall have supervision and charge of the cleaning of streets and public places; the erection, repairing, maintenance and reconstruction of all street improvements, pavements, sidewalks, curbs, sewers, conduits and bridges; supervision of all public utilities as to their occupancy of streets and other public places; and all officers and employees used when the City assumes collection, removal and disposal of refuse.
(1944 Code Ch. 29 §1.)