17.09.067 Outdoor lighting – Specialized outdoor lighting conditions and standards.
A. Roadway and street lights are prohibited unless recommended by the City Engineer or required by UDOT to provide for the safety of the public. All street lights shall utilize the lowest illuminance levels acceptable to the City Engineer and/or UDOT.
B. The overall height of any light post or tower used to illuminate parking lots shall not exceed twenty-five feet.
C. Outdoor recreation areas or athletic fields at publicly owned facilities may use illumination to light the surface of play, viewing stands, and pathways for the safety of the public that is not in strict conformance with the shielding and light color provisions of the MOLO. The following standards shall apply to outdoor recreation area or athletic field lighting:
1. The recreational lighting shall not exceed illuminance levels for Class IV sports lighting and shall follow the Illuminating Engineering Society lighting guidelines (RP-6).
2. The recreational lighting provides illuminance for the surface of play and viewing stands and not for any other areas or applications.
3. Illuminance levels must be adjustable based on the task (e.g., active play vs. field maintenance) and the lowest appropriate illuminance level shall be utilized based on the task.
4. Off-site and skyglow impacts of the lighting will be limited to the greatest practical extent possible.
5. The lighting for areas or applications outside the surface of play and viewing stands shall conform to all provisions in this chapter.
6. The recreational or athletic facility shall extinguish lighting exempted by this chapter no later than ten p.m. or one-half hour after the end of play.
7. The recreational lighting shall have timers that automatically extinguish lighting to ensure lights are not left on when the facilities are not in use.
D. Outdoor event venues may use illumination to light the performance area that is not in strict conformance with the shielding and lighting color provisions of the MOLO. The following standards apply to all event lighting:
1. Lighting used to illuminate the performance area must be either directed spotlighting or fully shielded lighting. If directed spotlighting, the light source shall be located and designed to minimize its visibility beyond the property boundaries.
2. Lighting used to illuminate the performance area shall only be turned on during events.
3. Lighting used to illuminate the seating areas, pathways, and other areas of the venue shall meet all standards of this chapter.
E. All illuminated signs shall comply with the standards of Section 17.93.075. (Ord. 23-14, 2023; Ord. 19-03 Att. 1 (part), 2019)