A. 
Height exceptions. The height limitations of this chapter shall not apply to belfries, bulkheads, chimneys, church spires, cupolas, domes, skylights, ventilators, water tanks and other necessary mechanical appurtenances usually carried above the roof level. Such features, however, shall be erected only to such height as is necessary to accomplish the purpose they are required to serve and shall not occupy in the aggregate more than 25% of the roof area of the main building.
B. 
Height and open space. In any district any principal building may be erected to a height in excess of that specified for the district, provided that such front, side and rear yard is increased one foot for each one foot of such additional height.
A. 
Projections into required yards, with the provisions of Subsection B below.
(1) 
Balconies and bay windows limited in total length to 1/2 the length of the building wall, and one-story unenclosed porches, may project into any yard.
(2) 
Chimneys, ornamental features, pilasters and roofs may extend not more than 30 inches into any required yard.
(3) 
Fire escapes may extend not more than four feet into any required side yard and not more than six feet into any required rear yard.
B. 
Limitation on projections. Notwithstanding any other provision of this section, no projection shall extend into any required yard more than one-fourth of the required width or depth of such yard or within 10 feet of any accessory building.
Any parcel of land with an area or width less than that prescribed for a lot in the zone in which such lot is located, which parcel was under one ownership at the date of the adoption of this chapter, and the owner thereof owns no adjoining land, may be used as a lot for any purpose permitted in the zone, provided that no structure shall be constructed closer than 10 feet to the closest lot line, and further provided that all other regulations prescribed for the zone by this chapter are complied with.
Uses not specifically permitted in a district are hereby prohibited. Any use not permitted in a district may be considered by the Zoning Board of Appeals for a special use permit and the Zoning Board of Appeals may set conditions thereon.