(a) The maximum building height for contingent uses shall be as provided in Section 1335.04.
(b) The maximum height requirement in Section 1335.04 may be increased if buildings are set back from front and rear property line, one foot for each two (2) feet of additional height above the maximum requirement.
(c) In all districts, spires, church steeples, chimneys, cooling towers, elevator bulkheads, fire towers, scenery lofts and essential mechanical appurtenances may be erected to any height not prohibited by other laws or ordinances.