The district height limitations stipulated elsewhere in this ordinance may be exceeded, but such modifications shall be in accord with the following:

Architectural Projections, such as spires, belfries, parapet walls, cupolas, domes, flues and chimneys, are exempt from the height limitations of this ordinance.

Special Structures such as gas tanks, grain elevators, scenery lofts, radio and television receiving antennas, manufacturing equipment and necessary mechanical appurtenances, cooling towers, substations, smoke stacks and solar collectors, are exempt from the height limitations of this ordinance.

Essential Services, utilities, water towers, electric power and communication transmission lines are exempt from the height limitations of this ordinance.

Communication Structures such as radio and television transmissions and relay towers, aerials, and observation towers, shall not exceed in height three times their distance from the nearest lot line.

Agricultural Structures such as barns, silos, and windmills, shall not exceed in height twice their distance from the nearest lot line.

Public or Semipublic Facilities such as schools and churches may be erected to a height of 60 feet provided all required yards are increased not less than one foot for each foot the structure exceeds the district's maximum height requirement.