Finding the cause and origin of an industrial fire. The structure, such as a silo, manufacturing plant or domestic property will often have severely compromised walls, roofs, and foundations due to an explosion, limiting safe access for investigators. (Photo: burnstuff2003/Adobe Stock)

Part 1 of this two-part series examined several different scenarios for fuel and air explosion investigations.

One of the most significant factors relating to scene access following a fuel and air explosion is the structural condition of the building where the explosion occurred. Depending on the size, dispersed explosions will create pressure effects that tend to push or heave a surface or object rather than the typical shattering effect that will often occur from a concentrated chemical explosion. The structure, such as a silo, manufacturing plant or domestic property will therefore often have severely compromised walls, roofs and foundations due to a fuel or air explosion.

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