We summarize some of these recommendations below and in some cases the original tables have been simplified.
External car park lighting levels.
Fortunately this image is rapidly changing as indoor parking areas become more upscale.
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.
More light does not equal better quality.
Most security cameras are rated for both very low and very high light levels but are limited by contrast ranges.
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.
Exterior car parks have three levels of lighting depending on usage and range from low medium and high.
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.
Architects owners and designers are beginning to realize that a better looking area with quality lighting will reassure the users attract more customers and also improve the environment.
Garages and multi storey car parks are often considered dark dirty narrow and unsafe areas.
Additional lighting equipment is often necessary.
In the middle area its may be as low as 25 50 lux.
In the building in the area closest to windows the light level may be reduced to approximately 1 000 lux.