In Residential "R" and Multi-Family "MF" Districts a fence not exceeding six feet in height may be located in any side or rear yard provided that the fence shall not project into any required front yard, and provided further that on a corner lot such fence shall not extend beyond the main building line on the side street side. In such districts, ornamental fences as defined herein may be located in required front yard areas. (Ord. 1987-96. Passed 12-21-87.)