CAL FIRE Fire Captain Practice Test

Which unit is responsible for ventilation during a high-rise first-alarm incident?

Incident Commander Ventilation Group Medical Branch Fire Ground Operations

Correct Answer:

Ventilation Group

Explanation:

Controlling smoke and heat movement is essential in a high-rise incident, and a dedicated Ventilation Group is established to handle all smoke-control operations. This unit plans and directs ventilation tactics—such as pressurizing stairwells, placing exhaust and supply fans, and coordinating openings—to create tenable conditions for occupants and firefighters. They assess the building layout, determine the best paths for air to move, and work with fire attack and search teams to ensure ventilation helps, not hinders, operations. By centralizing this function, the incident avoids conflicting actions and ensures a coordinated approach to smoke removal and visibility, which is why the Ventilation Group is the responsible unit.

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