A. No Additional Height: The height of an adaptive reuse development in the C-3 (AR) zone shall not be converted, altered or enlarged.
B. Exceptions: Notwithstanding the provisions of subsection A of this section, certain elements of the height of an adaptive reuse development in the C-3 (AR) zone may be increased in accordance with the following height restrictions:
1. Unoccupied Architectural Features: Notwithstanding any other provision of this code, unoccupied and architectural features such as skylights, clerestories, trellises, sound barriers or walls, and wind screens may exceed the existing height of the building by not more than twelve feet (12') in height if such unoccupied architectural features are approved by the reviewing authority as part of a planned development pursuant to article 18.4 of this chapter and do not exceed thirty three percent (33%) of the roof area upon which they are located and, except for open structures (such as trellises) and wind screens, no such feature exceeds or intersects a line projecting from the perimeter of the roof upward at an angle of forty five degrees (45°) from the horizontal.
2. Rooftop Uses: Except for unoccupied architectural features or wind screens, notwithstanding any other provision of this code rooftop improvements described in section 10-3-1976 of this article that are approved by the reviewing authority as part of a planned development pursuant to article 18.4 of this chapter may exceed the height limits established by this section by not more than twelve feet (12') in height provided the structure housing the rooftop use is set back from the intersection of the roof deck and the face of any exterior wall of the floor immediately below that faces a public right of way so that a forty five degree (45°) angle to the vertical plane of such exterior wall is not intersected. (Ord. 03-O-2422, eff. 3-7-2003)