Plans and specifications prepared by a licensed architect shall be submitted to the building official before any construction may begin on any building or structure which is more than two (2) stories in height or any building or structure that is intended for commercial, industrial, public or semipublic use or for any building or structure for private use if built primarily of concrete, masonry, metal or of heavy wood beam design. This requirement will not apply to one- or two-family dwellings of conventional wood frame construction which are two (2) stories or less in height. (Ord. 1422, 9-12-2005)