The height limitations of this Chapter shall not apply to:
A. Chimneys, flues, spires or belfries;
B. Elevator or stair bulkheads, roof water tanks or cooling towers (including enclosures); provided, that such structures in the aggregate, do not occupy more than 10% of the roof area;
C. Flag poles, radio or television antenna, masts or aerials, located on a building or extending not more than 20 feet above the roof of such building;
D. Collectors for a solar energy system; and
E. Windmills used for converting wind energy to electrical or mechanical energy for use on the premises.
(Ord. 1983-2B, passed 4-30-1984)