Where should a collapse zone be established around a structure involved in a fire?

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A collapse zone is the safety buffer around a structure that may fail, protecting crews from flying debris if the building collapses. The most critical places to shield are areas near portions of the structure that are visibly compromised, especially exposed exterior walls that are taking heat and structural load. These walls are the most likely to fail and shed debris outward, so keeping the collapse zone adjacent to them places firefighters and equipment out of the most dangerous path. Positions at doorways or near the apparatus can put people in the debris path, and extending the zone to the property line can leave gaps where debris still poses a threat. Establishing the collapse zone next to the exposed exterior walls provides the best balance of protection and operational safety.