Unless otherwise regulated by this chapter, height regulations established by the Schedule of Development Standards in § 180-19 shall not apply to spires, belfries, cupolas, domes not used for human occupancy, nor to chimneys, ventilators, monuments, water towers, masts and aerials, television antennae, public utility structures that are not buildings, silos, chimneys, ventilators, wind mills, solar energy collectors and equipment used for the mounting or operation of such collectors, and necessary mechanical appurtenances or other appurtenances usually required to be placed above the roof level and not intended for human occupancy.