No person shall tap or otherwise cut into, or make any connection to, any City sanitary sewer without a permit issued by the City Manager, who may require that all work be done by employees of the City, or by a licensed plumber under City supervision. Materials used and the methods employed in making any such connection shall meet all requirements, standards and specifications of the City. The dimensions of pipes and other conduits shall be as specified by the City Manager. (Passed 10-21-80.)