Applications for sign permits shall be made in writing to the authorized official by the owner, lessee or erector and be accompanied by materials the authorized official may deem necessary, such as, but not limited to: a scale drawing showing dimensions, proposed design, the legend, colors, materials, structural details and a tape or plot location map delineating the location of buildings, parking areas, other signs on the same property, frontage of each unit, and/or any fences or other obstructions in relation to the designated location of the proposed sign. Applicants shall show written approval from the owner of the property for such sign permits.