(A) The provisions of Section 1258.01 shall not apply to a church spire, tower or belfry, a flagpole, radio tower, chimney, water tank or elevator bulkhead.
(B) Nothing contained in Section 1258.01 shall prevent the erection of a parapet wall or cornice above the height limits set forth in Section 1258.01, provided such wall or cornice is for ornament purposes, does not contain windows and does not exceed the height limit by more than five feet.
(C) On special permit, as provided in Section 1244.05, a building may exceed the height limits set forth in Section 1258.01.