Lastly, this method protects the guard by keeping him in comparative
Glare projection is not appropriate where security troop
emplacement may be silhouetted or illuminated for the enemy (See Figure 2-5).
(2) Controlled lighting adjusts and controls the width of the lighted
strip to fit the particular need. A wide strip inside the fence and a narrow
strip outside may be needed because of adjoining highways, air ports, etc.
(See Figure 2-6.)
The floodlighting of a storage tank or roof is another
example. This method has the disadvantage of illuminating security posts and
b. Standby lighting (stationary).
This is similar to continuous
However, the lights are turned on, either automatically or
They are turned on when suspicious activity is detected by
security or alarm system. Or they may be used when there is a need for added
c. Movable lighting (stationary). This consists of manually operated,
Such lighting is normally used to supplement all the
other systems, such as standby. These units may be installed on patrol and
reaction vehicles. They may also be placed in towers and at strategic points
on the perimeter.
d. Emergency lighting.
Such lighting duplicates any or all the above
It is used when power failure or other emergencies shut down the
Emergency lighting requires an alternate power source.
e. Dual lighting.
Active entrances should have two or more lighting
There should be enough illumination for recognition of persons and
examination of credentials.
Semiactive and inactive entrances should have
the same continuous lighting as the rest of the perimeter.
should be sufficient standby lighting to be used when entrance becomes
f. Pier/dock lighting.
Piers and docks should have both water
approaches and the pier illuminated. Small wattage floodlights may be used
under piers and around pilings. The US Coast Guard should be consulted for
approval of proposed lighting near navigational waters.
g. Other lighting.
Vital structures and areas should be considered
first in planning protective fencing and lighting.
Power, heat, water and
So do explosive and critical materials.
produced need special attention.
So do valuable finished products.
structures of areas which are classified vulnerable from a distance should be
kept dark. Standby lighting should be available. Those areas which can be
damaged close at hand should be well lighted. The surroundings would be well
This forces an intruder to cross a lighted area.
Walls (if a
building) should be lighted to a height of 8 feet.
This eases silhouette