The illuminating engineering society of north america ies recommends light levels for basic parking lots and higher light levels for parking facilities where enhanced security is required.
External car park lighting levels.
In the building in the area closest to windows the light level may be reduced to approximately 1 000 lux.
Recommended levels of lighting for multi storey and underground car parks.
Most security cameras are rated for both very low and very high light levels but are limited by contrast ranges.
In the middle area its may be as low as 25 50 lux.
More light does not equal better quality.
Additional lighting equipment is often necessary.
The car park lighting designer or lighting consultant would undertake a risk assessment based on the anticipated vehicle pedestrian crime and type of use to determine the lighting category.
Fortunately this image is rapidly changing as indoor parking areas become more upscale.
Garages and multi storey car parks are often considered dark dirty narrow and unsafe areas.
Exterior car parks have three levels of lighting depending on usage and range from low medium and high.
Recommended lighting levels for exterior lighting the illuminating engineering society of north america iesna or ies gives in current ies publications quite a number of recommended illumination levels for outdoor lighting.
Recommended light levels common and recommended light levels indoors the outdoor light level is approximately 10 000 lux on a clear day.