No building shall be erected, converted, enlarged, reconstructed or structurally altered to exceed the height limit herein established for the district in which the building is located, except that penthouses or roof structures for the housing of elevators, stairways, tanks, ventilating fans or similar equipment required to operate and maintain the building and fire or parapet walls, skylights, towers, steeples, flagpoles, chimneys, smokestacks, radio and television aerials, wireless masts, water tanks, silos, storage hoppers, elevators or similar structures may be erected above the height limits herein prescribed; except, on land bordering, adjacent to or in the vicinity of an airport, no building or structure shall be erected, converted, enlarged, reconstructed or structurally altered to exceed the height limits for the area in which it is located which now are or shall hereafter be established under the Airport Approach Plan prepared by the state, or the maximum height limit herein required for the district, whichever is the lower height. A copy of the Airport Approach Plan shall be maintained in the office of the Zoning Officer as a public record.
(Ord. 1999-2, Zoning § 3, subs. .280, passed 2-15-1999)