(a)   At street and alley intersections, property line corners shall be rounded by an arc, the minimum radius of which shall be fifteen and ten feet respectively. In business districts, a chord may be substituted for such arc.
   (b)   Street curb intersections shall be rounded by radii of at least twenty-five feet.
   (c)   The above minimum radii shall be increased when the smallest angle of intersection is less than ninety degrees. (Ord. 141-83. Passed 9-26-83.)