The City Administrator as authorized by the Mayor and Board of Aldermen is further authorized to enter into an agreement on behalf of the City for inspections and enforcement of the Building Code, Residential Code, Existing Building Code, Mechanical Code, Plumbing Code, Electrical Code, Property Maintenance Code and Explosives Code of St. Louis County, Missouri, with St. Louis County, Missouri, providing for the inspections and enforcement of such Code by St. Louis County, Missouri, on behalf of the City of Manchester, Missouri.