The collection and disposal of refuse within the corporate limits of the city shall be administered, operated, conducted and/or maintained by and through the Board of Public Works and Safety under the terms of the provisions of this subchapter. The city shall have the right, exercisable by its Common Council, to appoint or contract with one or more persons, exclusively, or concurrently with the activities of city, to collect and/or dispose of refuse, garbage or rubbish.
(`94 Code, § 51.25)