Sec. 656.405. - Height limits.

The height limitations contained in Part 3 do not apply to spires, belfries, cupolas, antennas, water tanks, ventilators, chimneys or other appurtenances usually required to be placed above the roof level and not intended for human occupancy; provided, however, that notwithstanding the permitted maximum height limitations allowed in the various zoning districts, no structure (including appurtenances and structures normally erected above roof level) shall be erected to a height above adjacent ground level exceeding the most restrictive of the following: (a) Five hundred feet. (b) The height zones established in Subpart C, Part 10. (c) Elevations prescribed by the Federal Aviation Administration, unless the Federal Aviation Administration has issued a determination of no hazard to air navigation on the structure. (Ord. 91-59-148, § 1)