(a)   Height Limitations Not Applicable.  The height limitations stipulated elsewhere in the Zoning Ordinance shall not apply to the following:
      (1)   Farm buildings, architectural features.  Barns, silos or other farm buildings or structures on farms; church spires, belfries, cupolas and domes, monuments, water towers, fire and hose towers, observation towers, transmission towers, chimneys, smokestacks, flag poles, radio and television towers, masts and aerials; parapet walls extending not more than four feet above the limiting height of the building.
      (2)   Places of public assembly.  Places of public assembly in churches, schools and other permitted public and semipublic buildings, provided that these are located on the first floor of such buildings and provided that, for each three feet by which the height of such building exceeds the maximum height otherwise permitted in the district, its side and rear yards shall be increased in width or depth by an additional foot over the side and rear yards required for the highest building otherwise permitted in the district.
      (3)   Elevator penthouses, water tanks.  Bulkheads, elevator penthouses, water tanks, monitors and scenery lofts, provided no linear dimensions of any such structure exceeds fifty percent (50%) of the corresponding street lot line frontage; or to towers and monuments, fire towers, hose towers, cooling towers, grain elevators, gas holders or other structures where the manufacturing process requires a greater height.
   (b)   Minimum Requirements.  All such structures above the heights otherwise permitted in the district shall not occupy more than twenty-five percent (25%) of the area of the lot and shall be distant not less than fifty feet in all parts from every lot line not a street lot line.
   (c)   Sloping Lot Adjustments.  Where a building is located upon a sloping lot the height of the building shall be calculated by:
         h = x + y
      Where:  h = Official height of building.
      x = The greatest distance from the top of the building to the ground.
      y = The least distance from the top of the building to the ground.
      (Ord. 98-10.  Passed 11-8-10.)