Site Plan. A site plan, as described below, shall accompany all applications for a zoning permit whenever such applications propose the following: (A) a proposed use or structure located in or within 100 feet of a floodplain as stipulated in Part 7, § 27-701; (B) a proposed use or structure on steep slopes as stipulated in Part 7, § 27-702; (C) a proposed use required to have a parking lot as stipulated in Part 7, § 27-708; (D) whenever development is proposed involving the location of two or more primary uses or structures on a single lot including, but not limited to, apartment complexes, shopping centers, and industrial parks; and (D) any proposed use or structure located in any Commercial or Industrial District except for single-family and two-family detached or single-family semidetached dwellings.