No structure shall extend higher than the limit provided in each zone for Building Height, which is defined as the vertical distance measured to the highest point of the structure from the Average Existing Grade.

Turrets, spires, belfries, and domes shall not exceed the height of the ridge of the major roof type of the structure except that on a place of worship such structures shall be controlled by the conditional use requirements set forth for places of worship in subsection 30-6.3 of this chapter.

Chimneys shall not project more than four feet above the roof.

Cupolas and similar small structures built on top of a roof shall not exceed four feet deep, by four feet wide, by six feet high.

The height limitations of this chapter shall apply to ventilators, skylights, HVAC equipment, stair towers and similar appurtenances usually carried above roof level except:

Finished Floor Elevation (FFE) shall be measured from Average Existing Grade to the surface of the finished floor immediately constructed on the foundation wall or the slab-on-grade. The FFE for all new construction and for any renovation or addition that modifies an existing FFE and shall not exceed thirty (30") inches above Average Existing Grade.