1. The height limitations of this Zoning Code shall not apply to:
Air pollution prevention devices
Belfries
Chimneys
Church spires
Commercial elevator penthouses
Conveyors
Cooling towers
Domes
Elevator bulkheads
Fire towers
Flag poles
Grain elevators
Observation towers
Ornamental towers, cupolas and spires
Public and semi-public buildings including hospitals, churches, sanitariums, schools and water reservoir towers
Public monuments
Radio or television towers less than 125 feet tall
Silos
Smoke stacks
Stage towers or scenery lots
Storage towers
Tanks
Water towers and standpipes
Web cameras and meteorological equipment
2. Exceptions to the height restrictions shall not be granted in cases where they would violate height restrictions of the aircraft approach and turning zone.
3. Any of the above except flagpoles and chimneys, when located in any zoning district and with a height limit of 45 feet or less, shall be allowed only upon finding of the Board of Adjustment that the appurtenances will not be unduly detrimental to the surrounding property.
4. When permitted in a district, public or semi-public service buildings, hospitals, institutions, or schools may be erected to a height not exceeding 75 feet when each required yard line is increased by at least one foot for each one foot of additional building height above the height regulations for the district in which the building is located.