No building, pipe, chimney, steeple, stand, platform, pole, wire or erected manmade structures or object of natural growth, or obstruction of any kind or nature whatsoever, shall be built, placed, hung or permitted to grow or allowed to be built, placed or hung which shall at any point or part thereof exceed the height limits as determined by applying the geometry as set forth in the horizontal and conical approach and transitional surfaces as stated in this section.