The height limitation in Subsection
(a) above shall not apply to any of the following structures, provided that such structures are compatible with uses in the immediate vicinity and conform with the objectives of Subsection
15-14.21h, Scenic: antennas which do not exceed a height of 200 feet and which are accessory to an otherwise permitted use, silos, barns and other agricultural structures, church spires, cupolas, domes, monuments, water towers, fire observation towers, electric transmission lines and supporting structures, windmills, smokestacks, derricks, conveyors, flag poles and masts, or aerials, solar energy facilities, chimneys and similar structures to be placed above the roof level and not intended for human occupancy.