What should be the minimum clear zone between the perimeter barrier and exterior structures?

The minimum clear zone between the perimeter barrier and exterior structures is generally recommended to be 30 feet as it serves multiple critical purposes in security and safety. This distance helps to establish a buffer zone that can aid in preventing unauthorized access to the critical assets protected by the barrier. It also provides space for surveillance and monitoring activities, allowing security personnel to maintain visibility over the area and recognize potential threats more easily.

Additionally, a 30-foot separation can help mitigate the risk of someone using external structures (such as trees, fences, or buildings) as cover for attempts to breach the perimeter barrier. This distance can also be important for ensuring that any security measures, such as motion sensors or cameras, function effectively without obstruction.

Moreover, this clear zone is beneficial in emergency scenarios, allowing sufficient space for security personnel to respond quickly and effectively to any incidents that may occur. Ultimately, having an adequate clear zone like 30 feet strikes a balance between security effectiveness and the practical use of exterior space surrounding the perimeter.