Height: permitted exceptions. Height limitations stipulated elsewhere in this chapter shall not apply to open amusement uses, church spires, belfries, cupolas and domes, monuments, water towers, chimneys, smokestacks, flagpoles, radio and television towers, masts and aerials; nor to parapet walls, except that no parapet wall may extend more than four feet above the limiting height of the building; nor to farm buildings or structures on farms, provided that these farm buildings are at least 100 feet from every lot line; to tourist and vacation uses detailed in § 345-19A, provided that they are set back 50 feet from any adjacent property line for each 10 feet in height. Height limitations for telecommunications facilities shall be regulated in accordance with the requirements set forth in § 345-28 of this chapter.