Preliminary and final site plans shall be required for all proposed development in a Class U-11 Industrial Park District. The plans shall conform to the requirements of Chapter 1167 of this Planning and Zoning Code. In addition to the requirements of Chapter 1167, the final site plan shall require the approval by Council, in addition to the Commission. The landscaping plan required in Section 1138.10 shall also be submitted with the preliminary and final site plans, and in addition thereto proof of compliance with the performance standards set forth in Section 1138.12, to the extent applicable, shall accompany the preliminary and final site plans required by Chapter 1167.