Building Height in the OP200 Zone. Building heights in the OP200 Zone shall be limited by the setback requirements of the zone, the floor area ratio, and by the limitations established in the Bulk Schedule of this chapter for the OP200 Zone. For all buildings that exceed six (6) stories, there shall be no two (2) adjacent or abutting buildings of the same height. Any abutting or adjacent building shall minimally have a height differential, in feet, equal to ten (10%) percent of the height of the taller building.