Conditional Uses and Planned Residential Development Plans. All site plans for conditional uses and planned residential developments shall be reviewed and acted upon in accordance with the procedures set forth in Parts 18, Planned Residential Development, and 19, Conditional Uses, Special Exceptions, and Express Standards and Criteria, of this chapter. Conditional use site plans involving new construction shall also comply with § 27-2702, Site Plan Specifications, and § 27-2703, Site Plan Content, of this chapter.