Main or accessory buildings shall be erected, altered, moved or maintained in accordance with the maximum height of building as established in Section 1309.32, except that the following structures may be permitted above the aforesaid limitations:
(a) Institutional Buildings. Schools, churches, hospitals and other institutional buildings may be erected to a height not exceeding fifty feet; except chimneys, church spires, cupolas, domes, towers, flag poles, monuments, penthouses, water tanks, radio or television antennae, another permitted mechanical appurtenance located upon or constructed as an integral part of an institutional building may exceed the above height limitation, provided the height of such feature does not exceed the horizontal distance from the base of such feature to the nearest lot line.
(b) Residential Buildings. Only chimneys, radio or television antennae, located upon and constituted as an integral part of a main residential building, may be erected above the height limit specified, but are limited to a height not exceeding sixty feet above the finished grade. (Ord. 1961-103. Passed 12-29-61.)