The external illumination levels will be as defined by cfsh breeam and cibse sll and ile lighting guides.
External car park lighting lux levels.
Night time urban street.
In the middle area its may be as low as 25 50 lux.
Exterior car parks have three levels of lighting depending on usage and range from low medium and high.
Entrance balconies and garden areas.
Night light on a building.
Spacing tables for maximum allowed distances between luminaires to achieve the levels required by the above.
Guidance on illumination levels is found in national standards such as en 12464 2 or bs 5489.
External illumination lux levels.
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.
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.
Shady room in daylight.
250 to 300 lux.
Checklist of tasks to perform on site during car park lighting audit.
The outdoor light level is approximately 10 000 lux on a clear day.
Lighting should be concentrated onto the main car parking area with careful consideration given to adjacent buildings.
Have you ever dropped your keys in a shadowy car park.
In the building in the area closest to windows the light level may be reduced to approximately 1 000 lux.
Task undertaken eh ave lux eh min lux uniformity ratio residential estate access road with moderate night time public use road verge footpath.
Walkways exclusively for pedestrians 5 lux.
Who should use the guide.
Additional lighting equipment is often necessary to compensate the low levels.
Maximum allowed spacing between emergency lights as per as nzs 2293 1 classification tables for enlighten s car park luminaire range.
As a guide the following table gives examples of lighting levels.
This is to reduce the chance of deep shadows between the cars.
Keep column numbers to a minimum.
32 000 to 100 000 lux.
This will consider external lighting for residencies with external entrances and areas i e.
It is important with car parks to design them so that light comes from several directions.
700 to 16 000 lux.
