For proposed nonresidential uses, there shall be adequate separation and buffering from adjoining residential uses, as determined in the discretion of the Plan Commission, and all development design standards and regulations of the district in which the property is situated shall be met, provided that deviations from the applicable setbacks, parking and loading, general provisions, and other requirements may be granted as part of the overall approval, provided there are features or elements demonstrated by the applicant and deemed adequate by the Plan Commission designed into the project plan for the purpose of achieving the promotion and protection of the users of the project, all surrounding land uses, and the general public health, safety, and welfare. Separation and buffering of uses may, in the discretion of the Plan Commission, be required to achieve noise reduction and visual screening by means of earthen and/or landscape berms and/or decorative walls, or other mechanisms found in the discretion of the Plan Commission to be appropriate. Signage, lighting, landscaping, building materials for the exterior of all structures, and other features of the project, shall be designed and completed with the objective of achieving an integrated and controlled development, consistent with the character of the community, surrounding development, and natural features of the area, and shall be subject to review and approval by the Plan Commission.