22 August 2006
visual tasks. Therefore, the luminances of the surfaces are far more
important than the horizontal illuminance.
Target Horizontal Illuminance ( 10%): 100 lux (10 fc)
As in most interior spaces, waiting areas require the lighting of surfaces to increase the
perceived brightness. By utilizing an indirect pendant, the lighting system illuminates
the ceiling surface and provides indirect ambient light. This comfortable light minimizes
shadows and also avoids glare from the light source. The indirect lighting of surfaces
also integrates well with daylight. In some designs, luminaires close to windows may be
controlled separately and switched off during times of the day when daylight provides
adequate brightness in the space.