Local public utility facilities, provided that any installation, other than poles and equipment attached thereto, shall be adequately screened with landscaping, fencing or walls, or any combination thereof, or shall be placed underground, or shall be enclosed in a structure in such a manner as to blend with and complement the character of the surrounding area. All plans for screening said facilities shall be submitted to the Planning Commission for review. No building permit or installation permit shall be issued until said plans have been approved by the Planning Commission.