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3.10.2.2 A/E should confirm in writing the service requirements from
the utility or installation to provide primary underground electrical
service and pad-mounted transformer. Pad-mounted transformer
should be located a minimum of 3 meters from building noncombustible
wall and as required by the power company or installation.
3.10.2.3 The empty conduits from the service transformers to the
primary power source, for service cables,. and transformer pad will
typically be provided by the contractor in accordance with utility
company standards. Provide transition cabinet on transformer pad in
accordance with utility company standards. Secondary underground
electrical service, including trenching and backfilling, should be
provided by the contractor. Provide current transformer (CT) cabinet
for utility-furnished CTs. Utility company normally provides meter. A 21
mm conduit should be routed from the CT cabinet to the meter.
3.10.2.4 Secondary underground electrical service should be direct
burial conduits, with a spare conduit from the transformer to the main
switchboard.
3.10.2.5 Exterior sign should be lighted. Flagpole should be lighted if it
is determined that flag will not be removed at night.
3.10.2.6 Exterior lighting fixtures (wallpacks, canopy lights) should be
provided at building entrances/exit doors with programmable lighting
control system and a photocell. Control should be photo on/photo off.
Locate the lighting controller and time clocks in the main electrical
room. Time clock generally programmed to allow lighting between the
hours of 5:30 P.M. - 11:59 P.M..
3.10.2.7 DEPMED and MEP area should be provided with light
fixtures mounted on 9.1 meter steel pole for area lighting. Consider the
use of metal halide lamp light fixtures with motion sensors and time
clock for exterior lighting to turn on light fixtures when a motion is
detected in the area. The motion sensor operation shall be independent
of the time clock. Locate the lighting controller and time clocks in the
main electrical room. Maintain an average lighting level of one foot-
candle throughout the areas.
3.10.2.8 Verify the need for security lighting for POV parking area with
the Tenants and also the local municipality or Government installation.
be provided.
3.10.3 Interior Electrical
UFC 4-171-05
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