Permitted exceptions. Height limitations stipulated elsewhere
in this chapter shall not apply to open amusement uses, church spires,
belfries, cupolas and domes, monuments, water towers, chimneys, smokestacks,
flag poles, radio and television towers, masts and aerials, nor to
parapet walls, except that no parapet wall may extend more than four
feet above the limiting height of the building.
Any use which is in, abuts, is adjacent to or is less than 50
feet from the R-1 or R-2 District boundary and which is not conducted
within a completely enclosed building, such as storage yards, lumber-
and building materials yards, parking lots and like uses, shall be
entirely enclosed by a fence or landscaping sufficient to effectively
shield such uses. This section shall not apply to nurseries and the
display for sales purposes of new or used cars, trucks, trailers,
bicycles, motorcycles or farm equipment.