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Outdoor areas
Roads and road entrances, footpaths, car-parks, gardens, approach routes for emergency vehicles, helicopter landing pads - there are numerous places around a hospital that need lighting at night. The main purpose of that lighting is security: it guards against accidents and crime. At the same time, though, attractive out- door lighting helps boost a hospital’s image and profile.
Luminaires need to provide enough light for everyone using the roads on the hospital site. For mixed traffic - comprising slowly moving and parking vehicles, cyclists and pedestrians - a minimum of 3 lux illumination is needed, at least 7 lux where traffic density is greater. Vehicle entrances and exits require higher illuminance levels or a different light colour.