(1)
Purpose. The purpose of this section is to regulate the spill-over of light and glare on operators of motor vehicles, pedestrians, and land uses in the vicinity of a light source to promote transportation safety and to prevent the creation of nuisances.
(2)
Applicability. The requirements of this section apply to all private exterior lighting within the jurisdiction of this chapter, except for lighting within public rights-of-way and/or lighting located on public property.
(3)
Requirements.
(a)
Fixtures. Light sources shall be full cutoff fixtures with the light source fully shielded and directed downwards.
(b)
Intensity of illumination. In no instance shall the amount of illumination attributable to exterior lighting, as measured at the property line, exceed zero and four tenths (0.40) footcandles above ambient lighting conditions on a cloudless night.
(c)
Location. Light fixtures shall not be located within required landscape areas.
(d)
Flashing, flickering and other distracting lighting. Flashing, flickering, and/or lighting which may distract motorists are prohibited.
(e)
Minimum and maximum lighting standards. All areas designated on required site plans for pedestrian circulation, vehicular or bicycle parking, loading, or circulation and used for any such purpose after sunset shall provide artificial illumination in such areas at a minimum intensity of zero and four tenths (0.4) footcandles and at a maximum intensity of ten (10) footcandles during hours of operation. Lighting shall be dimmed to fifty percent (50%) after hours of operation. Dimming can be provided by timer or motion sensors.
(f)
Special events lighting. Any temporary use using exterior lighting which is not in complete compliance with the requirements of this subsection shall secure a temporary use permit (see Section 16.126).
(g)
Wall mounted accent lighting. Wall mounted accent lighting shall be integrated with the architectural character of the building and shall use low-luminosity lamps, with two thousand (2,000) source lumens or less. The illumination on any vertical surface shall not exceed one-half (0.5) maintained footcandle and shall not spill over roof lines or building edges.