There shall be submitted with all applications for building permits three (3) copies of a layout or site plan, drawn to scale, showing actual dimensions of the lot to be built upon, the exact size and location on the lot of the building and any accessory buildings to be erected, parking and any loading areas including access thereto, landscaping and such other information as may be necessary to determine and provide for the enforcement of this Chapter. In the case of building permits in a planned zoning district, the City Administrator shall determine that all aspects of the proposed construction conform to the final development plan duly approved and endorsed by the Planning and Zoning Commission.