Scope; Construction. It is not intended by this section to repeal, abrogate, annul or in any way impair or interfere with existing provisions of other ordinances except those specifically repealed by this section, or with private restrictions placed upon the property by deed, covenant or other agreement. However, where this section imposes a greater restriction upon land, buildings or structures than those imposed by existing provisions of ordinance, contract or deed, the provisions of this section shall control. Where the provisions of this section conflict with State or Federal law and cannot be reconciled therewith, the provisions of such law shall govern.