No person shall construct or lay, or cause to be constructed or laid, within any street or other public way of the City any street surfacing materials or pavement, nor any sanitary or combined sewer line or water line, which might at any time, present or future, become a part of the public streets or sewage or water system of the City, unless the same be done under the express authority of the Council of the City. (1979 Code 93.02)