Safety Lighting Design Criteria
Supplemental battery powered emergency lighting is
recommended in the following spaces to bridge the
Security Lighting. Security lighting is lighting that
generator startup time:
remains on during unoccupied hours per applicable
Generator Rooms
code. Security lighting in daylit spaces must be controlled
Main mechanical and electrical rooms
by the photosensors. If security lighting is doubling for
emergency lighting, then separate circuits and emergency
Specific Lighting Constraints
ballasts are required.
Mechanical and Electrical Spaces. Lighting in equipment
Exit Signs. Exit signs shall be of the LED type, have
rooms or rooms shall be provided by industrial-type
an EnergyStar rating, and meet the requirements of
fluorescent fixtures. Care shall be taken to locate light
NFPA 101.
fixtures so that lighting is not obstructed by tall or
suspended pieces of equipment. Physical protection such
Emergency Lighting. Emergency lighting shall be
as wireguards or fixture location shall be provided for
provided in accordance with the requirements of NFPA
light fixtures to prevent lamp/fixture damage.
101, and the applicable building code. At a minimum,
unswitched emergency lighting shall be provided in the
High Bay Lighting. Lighting in shop, supply, or
following areas:
warehouse areas with ceiling above 5.0 m (16.4 ft) must
Lighting in zones covered by CCTV cameras
be metal halide pendant hung fixtures or T5HO
Security zones
reflectorized fixtures. Metal halide fixtures with prismatic
lenses can only be used with a minimum mounting height
Stairways
of 7.5 m (25 ft). No high pressure sodium lamps are
Exit signs
allowed.
Egress corridors
UPS and battery rooms
Conference Rooms and Training Rooms. These spaces
shall have a combination of lighting options to provide
Emergency lighting may be switched in the
multiple scenes for space flexibility. Typical scenes would
following areas:
be table illumination for facial rendering at meetings,
Communication equipment rooms
higher light at the front for speakers illumination, and
Electrical rooms
lower light at front for media presentations.
Fire command centers
Other Special Areas. Special lighting design concepts are
Security control centers
encouraged in these spaces. The lighting design shall be
Technology/server rooms
an integral part of the architecture. Consideration must
be taken by the certified lighting designer to integrate
Building exits (switched by photocell)
the design with the interior finishes and furniture
Engineer's office
194 F A C I L I T I E S S T A N D A R D S
FOR THE
PUBLIC
BUILDINGS
SERVICE
6.8 Interior Lighting, Daylighting, and Control Systems
Revised March 2005 PBS-P100
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