No building or structure shall hereafter be erected, constructed, reconstructed, or
altered, to exceed the maximum height of 42 feet. The height limitations established
by this section shall not apply to chimneys, smokestacks, church spires and steeples,
domes, flag poles, grain silos, public monuments, observation towers, water towers,
radio and television towers, radio antennas and radio antenna support structures,
electricity transmission towers, utility poles and similar structures. (See division
2, definition for "height, building")
