Civic amenities such as pocket parks, green areas, plazas, pedestrian gathering areas, pergolas, pavilions, gazebos, benches, kiosks, and the like shall be subject to evaluation through the manual referenced in Subsection A. At least 5% of the overall lot or tract shall be designed, built and maintained for civic use and green areas, and shall be subject to the procedures set forth in § 280-82A through J and, if applicable, § 280-82K.