Section R432-4-9 - New Construction, Additions and Remodeling(1) New construction, additions and remodels to existing structures, shall comply with Department rules in effect on the date the schematic drawings are submitted to the Department.(2) If the remodeled area or addition in any building, wing, floor or service area of a building exceeds 50 percent of the total square foot area of the building, wing, floor or service area, then the entire building, wing, floor or service area shall be brought into compliance with adopted codes and rules governing new construction which are in effect on the date the schematic drawings are submitted to the Department.(3) During remodeling and new construction, the licensee must maintain the safety level which existed prior to the start of work.Utah Admin. Code R432-4-9