Fences, walls, and hedges may be located in required yards as follows:
(a) If not exceeding, at any point, four feet in height above the elevation of the surface of the ground at such point, such features may be located h any yard.
(b) If not exceeding, at any point, six feet in height above the elevation of the surface of the ground at such point, they may be located in any required rear yard or side yard. (Ord. 4-62. Passed 3-12-62.)