No plumbing (except replacement of existing fixtures only) shall be installed, altered, or changed in any building or structure; nor shall any plumbing be installed, altered, or changed upon any service or lateral between a structure and the City’s water or sewer system within the corporate limits of the City of Mt. Vernon or any area outside of the corporate city limits serviced by the City of Mt. Vernon water and/or sewer system except by authorized employees of the City until a permit for such installation, alteration, or change shall have been obtained from the Building Inspector. Said permit shall be issued only to a plumber contractor, employing plumber, or self-employed journeyman plumber licensed under the Plumber’s License Law of the State of Illinois or to the owner occupant or lessee occupant of a single-family residence. After the permit shall have been issued by the Building Inspector, no change or modification in the plans or specifications shall be made unless such change shall first have been submitted to the Building Inspector and approved.
(Prior Code, Art. 15, § 15.3)