Fences and/or walls within the R-1, R-2, R-3, R-4, and R-5 Zones shall conform to the following requirements:
      1.   SECTION 12.0 and the requirements set forth below for residential uses only.
         a.   The use of Class 7 and/or Class 8 fences shall be prohibited on any residential property.
         b.   The use of Class 1, Class 3 and/or Class 5 fences shall be prohibited in any required front yard.
         c.   No fence located in a required front yard shall exceed thirty-six (36) inches in height.
         d.   No fence located in a required side or rear yard shall exceed eighty-four (84) inches in height.
         e.   For the purposes of these regulations, a fence located along any portion of a residential property abutting a public right-of-way (except along an "alley") shall not be greater than thirty-six (36) inches in height.
      2.   For all nonresidential uses permitted or conditional uses permitted herein:
         a.   SECTION 12.0, except that in front yards, Class 2 or 3 fences may be erected up to a maximum height of seventy-two (72) inches.
         b.   Side or rear yards, Class 1, 2, 3, 4, 5, 6, or 7 fences or walls may be erected up to a maximum height of ninety six (96) inches.