A wall, hedge, or fence not over eight (8) feet high may be erected in any front, side, or rear yard or court provided that the following conditions are met:
(a) The height of any such wall, hedge, or fence shall not exceed the distance from that point to the nearest point of any building. However, a wall or fence may be erected to a height of four (4) feet where it is to be located less than four (4) feet from an adjacent building.
(b) In any front yard, a wall or fence more than ten (10) percent solid shall not exceed a height of two and one-half (2.5) feet, except where a solid wall, hedge or fence is required by this code for screening purposes and except where visibility triangles are provided as required by subsection below.
(c) In an R or C District or within fifty (50) feet of an R or C District along the same frontage, walls, hedges or fences within the front yard shall not exceed a height of four (4) feet.
(d) Visibility at intersections:
1. Street intersections. A visibility triangle with no wall, hedge or fence more than ten (10) percent solid above the height of 2.5 feet shall be provided at all street intersections including at least the area within the first twenty (20) feet along the intersecting right-of-way lines (projected if rounded) and a line connecting the ends of such twenty-foot lines.
2. Intersections of alleys with streets. A visibility triangle with no wall, hedge or fence more than ten (10) percent solid above the height of 2.5 feet high shall be provided at all intersections of alleys with streets including at least the area within the first ten (10) feet along the intersecting right-of-way lines (projected if rounded) and a line connecting the ends of such ten-foot lines.
3. Intersection of driveways with streets. A visibility triangle with no wall, hedge or fence more than ten (10) percent solid above the height of 2.5 feet high shall be provided by measuring ten (10) feet in from the intersection of a driveway boundary and property lines away from the driveway with the ends of the two 10-foot lines connected in a straight line to form the visibility triangle.
4. At intersections of alleys with alleys. A visibility triangle with no wall, hedge or fence more than ten (10) percent solid above the height of 2.5 feet high shall be provided at all intersections of alleys with alleys including at least the area within the first ten (10) feet along the intersecting right-of-way lines (projected if rounded) and a line connecting the ends of such ten-foot lines.