UFC 3-530-01
22 August 2006
OFFICES
Open Offices (Alternate Scheme)
Recessed direct/indirect
A
luminaires.
Recessed wallwashers
increase surface
brightness of walls.
B
Introduce daylight from
north and south facades
and control glare. Integrate
daylight with electric
lighting system where
appropriate.
C
Undercabinet task lights
increase illuminance on
desks.
EQUIPMENT RECOMMENDATIONS:
LUMINAIRE
LAMP
CONTROLS
Recessed linear fluorescent
4' linear fluorescent T8,
Daylight dimming or
A
direct/indirect luminaire.
T5HO lamps 3500K color
switching. Manual dimming
temperature, 75 CRI +
over work stations is also
available. Consider the use
of occupancy sensors for
cubicle groups.
Recessed compact or linear
4' linear fluorescent T8,
Daylight dimming or
B
fluorescent wallwashers.
T5HO or compact
switching. Consider the use
fluorescent lamps 3500K
of occupancy sensors for
color temperature, 75 CRI +
cubicle groups.
Under cabinet task lighting.
2', 3', and 4' linear
Manual on/off or on local
C
fluorescent T8, T5, or T2
occupancy sensor.
lamps 3500K color
temperature, 75 CRI +
CRITICAL DESIGN ISSUES:
Direct Glare: Lamps in the luminaires are shielded with louvers,
perforations, or lenses to avoid a view of the lamps and direct glare.
Luminances of Room Surfaces: Room surfaces need to be illuminated to
control the contrast between the occupant's task and the surrounding
surfaces in that person's field of view. This is especially important with
computer use when a person views a bright screen in the foreground. If the
background is too dark the contrast will lead to eyestrain and fatigue. In a
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