170.32   HEIGHT REGULATIONS.  
In all districts no building or structure shall exceed four (4) stories or forty-five (45) feet above the average elevation of the finished grade of the front yard. Buildings and structures with a height in excess of forty-five (45) feet shall be permitted provided that the required front, side, and rear yards are increased by one foot for each foot of additional building height above 45 feet.
1.   Height Exceptions. The height regulations prescribed herein shall not apply to television, telephone, microwave and radio towers, church spires, belfries, monuments, farm buildings, tanks, water and fire towers, stage towers or spires, chimneys, elevator bulkheads, smoke-stacks, drilling rigs, conveyors, flagpoles, wind energy conversion system and solar energy standard systems (except in residential districts).