Parking and circulation areas, pedestrian areas and related outdoor use areas in non-residential and mixed-use districts shall be illuminated to provide safety and security for the users of these areas, to provide security for property, and to maintain privacy for adjacent residential properties. Exterior lighting shall be designed, installed and maintained according to the following standards:
(a) Illumination Levels. Except as provided in subsection (b), exterior lighting shall provide minimum maintained horizontal foot-candle (fc) illumination as follows:
Activity type | Maintained footcandles |
Parking and pedestrian areas | 0.6 fc minimum |
Property security only | 0.2 fc minimum |
Vehicle use area only | 1.0 fc minimum |
Note: Exterior lighting in parking areas may be extinguished when not in use. Exterior lighting in pedestrian areas may be reduced to the property security level during hours when these areas are not in use.
(b) Light Trespass. In order to maintain privacy and avoid nuisance, exterior lighting shall be designed and maintained to provide a maximum of one-tenth foot-candle (0.1 fc) illumination at side or rear property lines which are adjacent to a residential use or zoning district.
(c) Shields and Cutoff Fixtures Required. Exterior lighting shall be designed and maintained so that glare is not cast on adjacent properties, regardless of use, or on adjacent streets. Luminaries over ten feet in height shall be designed with cut-off shields or other devices which eliminate light above an angle of 85 degrees of the vertical axis of the light source.
(d) Exclusions. Standards in this section shall not apply to street lighting or to lighting of public outdoor recreation activities.