Overhaul Operations
hidden fire detection
Property Conservation
Scene preservation & Fire Investigation
Securing & protecting the scene
100

This process begins after the main body of fire has been extinguished and involves searching for hidden fires.

  • What is overhaul?
100

 Firefighters can feel for hidden fires using this sense

  • What is touch?
100

 The process of protecting property from unnecessary damage during firefighting is known as this.

  • What is salvage?
100

Firefighters should avoid disturbing debris unnecessarily to help investigators determine this.

  • What is the fire cause?
100

To protect the integrity of a fire investigation, firefighters should establish this around the scene

  • What is a perimeter?
200

Name two common tools used in overhaul operations.

  • What are pike poles and axes?
200

Cracked plaster, peeling paint, or smoke seeping from walls are signs of this.

  • What is a hidden fire?
200

Name one type of equipment used to protect furniture and belongings from water damage

  • What is a salvage cover?
200

This refers to maintaining a record of who handles physical evidence at a fire scene

  • What is the chain of custody?
200

This type of security measure can be used to prevent unauthorized access to the fire scene


    • What is scene control or using law enforcement officers?
300

 Firefighters must wear these devices until overhaul is complete due to toxic gases

  • What are SCBAs (Self-Contained Breathing Apparatus)?
300

This device uses infrared technology to detect heat signatures behind walls.

  • What is a thermal imager?
300

These tools help remove water from a building after a fire

  • What are water vacuums or dewatering devices?
300

Firefighters should look for unusual odors, signs of forced entry, or accelerants as indicators of this crime.

  • What is arson?
300

Firefighters should note locked or unlocked doors, unusual burn patterns, and missing items as potential signs of this.

  • What is suspicious activity or arson?
400

 This tool helps firefighters detect heat signatures and locate hidden fires

  • What is a thermal imager?
400

When pulling a ceiling to check for hidden fires, firefighters should avoid standing directly under the area to prevent this

  • What is falling debris?
400

 Firefighters can create this to redirect water and prevent flooding inside a structure

  • What is a water chute?
400

This area, which shows the least amount of fire damage, is typically the starting point for an investigation

  • What is the area of origin?
400

After an investigation, firefighters may need to turn the structure over to this person or group.

  • Who is the property owner or law enforcement?
500

Before searching for hidden fires, firefighters must evaluate this to prevent collapse

  • What is structural stability?
500

Before breaking open walls, ceilings, or floors, firefighters should check these openings for fire extension.


    • What are electrical outlets, heating vents, or return air ducts?
500

 Firefighters may delay suppression efforts to remove valuable items when directed by this person.

  • Who is the Incident Commander (IC)?
500

To protect evidence, firefighters should avoid using excessive amounts of this during overhaul.

  • What is water?
500

When evidence cannot be immediately collected, firefighters should use these materials to protect it from contamination.

  • What are tarps or salvage covers?