What does the term "collapse zone" refer to?

The term "collapse zone" refers to the area surrounding a collapsed structure where there is a significant risk of further collapse. This zone is critical in structural rescue operations because it requires restricted access to ensure the safety of both rescuers and any potential victims who may still be located nearby. The collapse zone is determined based on the potential distance that debris might fall from the structure, which can be influenced by various factors such as the type of building material, the nature of the collapse, and the configuration of the remaining structure.

Establishing a collapse zone is vital for maintaining a safe working environment during rescue operations. Any personnel operating in this area face significant risk from falling debris, so it is crucial to establish this zone to control access and protect everyone involved in the operation. It is not simply a gathering area for rescuers, nor is it related to safe zones or first aid stations, as those serve different purposes in a rescue operation.