(A) Measurement. The height of a structure shall be measured vertically from the average elevation of the natural grade of the ground covered by the structure to the highest point of the structure or to the coping of a flat roof, to the deck line of a mansard roof, or the mean height between eaves and ridges for a hip, gable or gambrel roof. The height of a fence or a wall used as a fence shall be measured from the higher finished grade adjoining the fence or wall.
(B) Exceptions. Towers, spires, cupolas, chimneys, penthouses, water tanks, flagpoles, monuments, scenery lofts, transmission towers for wired telecommunications, fire towers, and similar structures and necessary mechanical appurtenances covering not more than 10% of the ground area covered by the structure may be erected to a height of not more than 100 feet or not more than 25 feet above the height limit prescribed by the regulations for the district in which the site is located, whichever is less. The height of wireless telecommunication facilities shall be regulated by Chapter 159.
(C) Airport zoning regulations. All structures shall be subject to the height limitations imposed by Chapter 151 of this title.
('63 Code, § 10-5.2927) (Ord. 417-C.S., passed 12-6-84; Am. Ord. 512-C.S., passed 3-8-90; Am. Ord. 757-C.S., passed 10-19-10)