Outer Cordon 3
Outer Cordon 3 : Disaster Management. A physical area surrounding an incident which has been secured by some means to effectively control the entry or exit of persons and equipment from that area. The area boundary is established at a sufficient distance around the outside of the inner cordon to provide a safety zone around the incident site. Entry to the area between the outer cordon and the inner cordon is strictly controlled and the area usually contains combat and support units. The command post should be established in this area