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barrier

Definition/Scope: (FM 3-19.30) Protective barriers form the perimeter of controlled, limited, and exclusion areas. Utility areas (such as water sources, transformer banks, commercial power and fuel connections, heating and power plants, or air-conditioning units) may require these barriers for safety standards. Protective barriers consist of two major categories - natural and structural. Natural protective barriers are mountains and deserts, cliffs and ditches, water obstacles, or other terrain features that are difficult to traverse. Structural protective barriers are man-made devices (such as fences, walls, floors, roofs, grills, bars, roadblocks, signs, or other construction) used to restrict, channel, or impede access. Barriers offer important benefits to a physical-security posture. They create a psychological deterrent for anyone thinking of unauthorized entry. They may delay or even prevent passage through them. This is especially true of barriers against forced entry and vehicles. Barriers have a direct impact on the number of security posts needed and on the frequency of use for each post.



Broader Terms:

fixed-site security

Narrower Terms:

baffles
barricades
fences
roadblocks

Related Terms:

Access Control Point
access control zone
Active Protection System
blast protection
Force Protection
protection


CALL Homepage >> Thesaurus Last Updated: Sept 17, 2008