A.
The height limitations of this chapter shall not apply to:
(1)
Chimneys, flues, spires or belfries.
(2)
Elevator or stair bulkhead, 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.
(3)
Flagpoles, radio or television antennas, masts or aerials, located
on a building and extending not more than 20 feet above the roof of
such building.
