1. New commercial structures, the footprint of which exceeds 25,000 square feet of gross floor area;

2. Additions to commercial structures that result in a combined total footprint exceeding 25,000 square feet of gross floor area, and that represent more than a 20 percent increase in building gross floor area. In those cases, the building’s entire façade shall be brought into compliance with the standards of this chapter to the extent practicable.

3. Buildings less than 25,000 square feet in size that share appurtenant facilities, such as driveways, parking and pedestrian walkways, with developments otherwise subject to the requirements of this chapter. Examples include restaurants, banks, gas stations and convenience stores constructed on building pads or separate lots located within a larger development site that is otherwise subject to the requirements of this chapter.