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Governments use perimeter security not only for the safety of their citizens, but to control the flow of commerce and immigration, as well as to protect vital infrastructure from attackers. Property owners and organizations of all sizes use various man-made technology to achieve varying degrees of perimeter security.
Physical security involves the use of multiple layers of interdependent systems that can include CCTV surveillance, security guards, protective barriers, locks, access control, perimeter intrusion detection, deterrent systems, fire protection, and other systems designed to protect persons and property.
A fence-mounted perimeter intrusion detection system installed on a chain link fence. A perimeter intrusion detection system ( PIDS ) is a device or sensor that detects the presence of an intruder attempting to breach the physical perimeter of a property, building, or other secured area.
Outdoors mechanical and/or electronic systems conceived to protect the external perimeter of a facility. Usually applied in Homeland Security and other private high risk facilities. Subcategories
Silt fence installed on a construction site. Silt fences are often installed as perimeter controls. They are typically used in combination with sediment basins and sediment traps, as well as with erosion controls, which are designed to retain sediment in place where soil is being disturbed by construction processes (i.e., land grading and other earthworks).
Containment refers to how much of the fire’s edge, or perimeter, has been surrounded to the extent that firefighters believe they can stop the fire from expanding. Crews create control lines ...
The vibrant red fire retardant is known as Phos-Chek and has been used by firefighters battling wildland blazes for over 50 years, according to its manufacturer, Perimeter Solutions.
Perimeter, the company behind Phos-Chek, has advised in the past cleaning the powder off as soon as it is safe to do so. "The longer the retardant dries, the more difficult it is to remove ...