(A) Purpose. The purpose of this subchapter is to provide regulations to balance lighting needs for visibility and personal and property safety with the negative impacts of off-site light spill-over.
(B) Applicability. The following standards shall apply to all new development. Seasonal lighting is not regulated by this section.
(C) Standards.
(1) Wall or roof lighting may be used to illuminate pedestrian walkways, entrance areas, loading docks, and yard areas within 20 feet of the building.
(2) No wall or roof lighting may be used to primarily illuminate areas for motor vehicle parking or access beyond 20 feet from the building.
(3) Any open area used for motor vehicle parking, storage or access must be primarily illuminated with free-standing luminaires.
(4) Free-standing luminaire regulations. Height maximums, as measured from the average elevation of the finished grade within ten feet of the structure or fixture to the highest point of the luminaire (including the support structure), may be as follows:
(a) Within 250 feet of any property zoned residential: 15 feet including any base or support structures.
(b) Farther than 250 feet from any property zoned residential or if the height of the building effectively blocks the light from a residential zone: 25 feet.
(5) Cut-off angles must be equal to or less than 90 degrees.
(6) Low-pressure sodium fixtures may only be used for: single-family, duplex, and townhouse developments.
(7) Lighting intensity must adhere to the standards in the table below.
Use | Minimum intensity* | Maximum intensity* | Maximum intensity at side or interior property line* |
Parking areas for nonresidential uses | 1 | 15 | 0.5 |
Private sidewalks and other pedestrian walkways | 2 | 20 | 0.5 |
Building entrances and exits | 5 | 20 | 0.5 |
Exterior storage areas | N/A | 15 | 0.5 |
*Measured in foot candles at ground level | |||
(D) Glare. All lighting must be arranged so as not to produce glare. All properties must be in compliance with the following:
(1) All light sources must be controlled and equipped with lenses, louvers, shields, or prismatic control devices designed to prevent off-site views of the light source.
(2) No flickering or flashing lights except those associated with public safety activities may be permitted.
(3) Light sources that are integrated into a canopy must be designed to be recessed and flush with the ceiling of the canopy and equipped with a flat lens surface.
(Ord. 2024-1304, passed 7-29-24)