The city is empowered to carry out all of the terms and provisions of this chapter and to collect and dispose of refuse in the manner provided in this chapter; however, it shall not exercise such power if the collector of refuse is faithfully performing any valid contract with the city. (Ord. 2172 § 1, 2015; Ord. 2118 § 1, 2013; Ord. 1826 § 1, 2000; Ord. 575 § 15, 1970).