10-18-5: SIGN REQUIREMENTS:
   A.   Business And Industrial District: All signs in business and industrial districts shall meet the following requirements:
      1.   Area: The gross area in square feet of all signs on a zoning lot shall not exceed three (3) times the linear feet of frontage of such zoning lot. The gross area of all flashing signs shall not exceed two (2) times the linear frontage of such lot. If a sign is double faced, its area shall be calculated as the area of a single faced sign.
      2.   Fee: Each application for a sign permit shall be accompanied by the applicable fees, which shall be established by the city council from time to time by resolution.
      3.   Projection: Signs suspended from any building shall not project more than seventy two inches (72") beyond the building line but in no case project closer than twenty four inches (24") to the curb line. The bottom of such sign shall not be less than ten feet (10') above the finished grade of the sidewalk. (Ord. C-203, 6-21-1994)
      4.   Illumination: Signs must not be illuminated so as to shine on residential properties. Signs may have electronic areas that display: drawings, streaming video; symbols or logos; scrolling test messages; shrinking or enlarging lettering; changing shapes and figures; recreated photographs; or flash at reasonable, readable intervals. Signs with very rapidly flashing messages, i.e., strobe lighting effects will not be permitted. Any graphically enhanced (LED) electronic signs as described above shall be limited to a maximum height of thirty feet (30') and the graphic display surface shall cover no more than forty five (45) square feet in total area.
Signs as described in this subsection A4 shall not be permitted within the boundaries of any duly and formally recognized local, state or national historic district. (Ord. C-446, 3-6-2007)
      5.   Power Line Clearance: Signs shall be located in such a way that they maintain horizontal and vertical clearance of all overhead electrical conductors in accordance with the national electrical code specifications, depending on voltages concerned. However, in no case shall a sign be installed closer than twenty four inches (24") horizontally or vertically to any conductor or public utility guy wire. (Ord. C-203, 6-21-1994)
   B.   B-1 Limited Retail District: Placement of commercial signs on all property within a B-1 limited retail district zoning designation shall be allowed as follows:
      1.   Temporary signs are permitted in compliance with the requirements and provisions of subsection 10-18-3G of this chapter.
      2.   Signs may be placed in city public right of way areas under the following conditions:
         a.   Only one sign shall be permitted in a right of way per each twenty five feet (25') of lot frontage on the adjacent street(s).
         b.   The size of each such sign shall be limited to no more than twenty (20) square feet and shall stand no taller than thirty six inches (36") above the immediately adjacent ground elevation.
         c.   Signs shall be placed no closer than twenty four inches (24") from a street curb line on an interior lot.
         d.   Signs shall be placed no closer than thirty six inches (36") from a street curb line on a corner lot.
         e.   Each lot shall at all times maintain an unobstructed pedestrian travel corridor with a minimum width of forty eight inches (48"). Such corridor shall be located at some point between the front building facade and street curb. (Ord. C-446, 3-6-2007)