SECTION 7-4 BOARD OF ZONING APPEALS.
   There is hereby established a Board of Zoning Appeals which shall consist of five (5) electors appointed by Council. Council by a majority vote of its members shall choose a successor to fill any vacancy.
   The five (5) electors first appointed shall serve for terms of one (1), two (2), three (3), four (4) and five (5) years respectively; thereafter appointments shall be for five (5) year terms.
   It shall be the duty of the Board of Zoning Appeals to hear and determine appeals made for exceptions to and variations in the application of the provisions of the zoning ordinances in harmony with the intent and purposes thereof, and from ordinances, regulations, rules, restrictions, limitations or orders of any administrative official or agency in connection with such matters.