Height modifications
a. Structures permitted above the maximum heights provided in article V include roof structures for housing of elevators, stairways, ventilating fans or similar equipment required to operate and maintain the building; fire or parapet walls; and skylights, cupolas, steeples, flagpoles, chimneys and antennae less than 12 feet in height. However, no roof structure, or any space above the height limit, shall be allowed for the purpose of providing additional floorspace for residential, business or manufacturing uses.
b. Structures permitted above the maximum height requirements shall be set back from any lot line one additional foot for each foot by which it exceeds the maximum height limit for the zoning district in which it is located.