(A) Buildings may be erected higher than the normal maximum height of 100 feet in the GB General Business and I-l Open Industrial Districts, provided that buildings shall be set back from the required side yard lines and rear yard lines one foot for each two feet of height above 45 feet.
(B) Chimneys, cooling towers, elevator bulkheads, fire towers, penthouses, stacks, tanks, water towers, transmission towers, or essential mechanical appurtenances may be erected to any height not prohibited by other laws or ordinances.
(Ord. CO-67-2, passed 2-21-67)