Keep column numbers to a minimum.
External car park lighting lux levels.
Spacing tables for maximum allowed distances between luminaires to achieve the levels required by the above.
Additional lighting equipment is often necessary to compensate the low levels.
It is also important not to over light to control energy consumption and avoid light pollution spill.
Guidance on illumination levels is found in national standards such as en 12464 2 or bs 5489.
Earlier it was common with light.
Checklist of tasks to perform on site during car park lighting audit.
If the car park is in a residential area consider light spill into back gardens or windows as this could constitute a statutory nuisance if the resident complains to their local authority.
Walkways exclusively for pedestrians 5 lux.
Who should use the guide.
Task undertaken eh ave lux eh min lux uniformity ratio residential estate access road with moderate night time public use road verge footpath.
It is important with car parks to design them so that light comes from several directions.
Night light on a building.
Maximum allowed spacing between emergency lights as per as nzs 2293 1 classification tables for enlighten s car park luminaire range.
Lighting should be concentrated onto the main car parking area with careful consideration given to adjacent buildings.
The outdoor light level is approximately 10 000 lux on a clear day.
Night time urban street.
700 to 16 000 lux.
Entrance balconies and garden areas.
External illumination lux levels.
Have you ever dropped your keys in a shadowy car park.
Exterior car parks have three levels of lighting depending on usage and range from low medium and high.
In the building in the area closest to windows the light level may be reduced to approximately 1 000 lux.
250 to 300 lux.
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.
As a guide the following table gives examples of lighting levels.
Shady room in daylight.
30 000 to 40 000 lux.
This will consider external lighting for residencies with external entrances and areas i e.
This is to reduce the chance of deep shadows between the cars.