Roof structures for the housing of stairways, tanks, ventilating fans, air conditioning equipment, or similar equipment required to operate and maintain the building, and fire or parapet walls, towers and steeples, are permitted only on commercial structures which are located in the Limited Commercial District, General Business District and Marine Commercial District.
1.
Spires, belfries, cupolas and domes are permitted on churches only.
2.
Chimneys venting fossil burning devices may exceed the height limit by not more than two feet.