A collapse zone is defined as a distance of how many times the height of a building?

Answer: B — 1.5 times

A collapse zone is critical for maintaining safety during operations involving structures that may be unstable. It is typically defined as a distance equal to 1.5 times the height of the building. This distance is established to create a buffer zone, ensuring that personnel and equipment are kept at a safe distance from any potential falling debris if the structure were to collapse. By maintaining this distance, emergency responders and personnel can mitigate risk during rescue operations or while engaging in firefighting activities, allowing for safe navigation around potentially hazardous areas. The definition of the collapse zone at 1.5 times the height of the building is widely accepted in safety protocols and standard operational guidelines in the fire service.