22 August 2006
provide surface brightness
and indirect ambient light.
Wallwashers light walls
and / or whiteboards.
north and south facades
and control glare. Provide
horizontal blinds. Integrate
with electric lighting
Luminaire over table
provides uniform task
Pendant mounted linear fluorescent,
4' linear fluorescent T8
Manual dimming or
indirect / direct luminaire, mounted
lamps 3500K color
switching with occupancy
0.5 0.9m (18" 36") below ceiling
temperature, 75 CRI +
Compact fluorescent lamp.
Manual on / off or manual
downlight / wallwashers.
3500K, 80+ CRI.
on/ occupancy sensor off.
CRITICAL DESIGN ISSUES:
Appearance of Space and Luminaires: Because building visitors often meet
in conference rooms, the aesthetic character of the luminaires is an
Direct Glare: Lamps in the luminaires are shielded with louvers,
perforations, or lenses to avoid a direct view of the lamps and the resultant
Light Distribution on Surfaces: Illuminate the room surfaces uniformly,
especially the ceiling and walls. Patterns of light or shadows on surfaces
can be distracting and confusing.
Light Distribution on Task Plane: The lighting system should provide a
uniform distribution of light on the conference table with minimal shadowing.
This will provide a comfortable environment for writing tasks without
causing fatigue or eyestrain.