It is not intended by this Zoning Ordinance to repeal, abrogate, annul or in any way impair or interfere with any existing provision of law or ordinance, other than the Zoning Code previously adopted by the City, as amended, or with any rule, regulation or permit adopted or issued pursuant to the law relating to the use of buildings or premises. However, wherever this Zoning Ordinance imposes more stringent requirements, regulations, restrictions or limitations than are imposed or required by the provisions of any other law or ordinance, this Zoning Ordinance shall govern. Whenever the provisions of any other law or ordinance impose more stringent requirements than are imposed or required by this Zoning Ordinance the provisions of such other law or ordinance shall govern.