Regarding the second priority locations for wireless communication antennas on wireless communication towers on lands with an existing grade at least 215 feet above sea level zoned within the R-100 residential zone, any such proposed tower, antennas and related equipment shall require both conditional use approval in accordance with section 12-18 of this ordinance, and preliminary and final site plan approvals in accordance with Chapter 13, Site Plan Review, of the Revised General Ordinances.