Podcast
Questions and Answers
What should you avoid doing when gaining access to the engine compartment?
What should you avoid doing when gaining access to the engine compartment?
- Piercing through the hood with tools (correct)
- Using appropriate tools
- Wearing personal protective equipment
- Following standard safety procedures
What should you assume about high voltage cables and components?
What should you assume about high voltage cables and components?
- They are always energized (correct)
- They are always de-energized
- They are only energized when charging
- They are only energized when the vehicle is on
What should you do if a vehicle connected to a charging station catches fire?
What should you do if a vehicle connected to a charging station catches fire?
- Apply water immediately
- Attempt to shut down the charging station before applying water (correct)
- Try to disconnect the vehicle from the charging station
- Evacuate the area and wait for the fire department
Why may thermal imaging cameras not give true thermal conditions?
Why may thermal imaging cameras not give true thermal conditions?
What should you do with extinguished electric vehicles?
What should you do with extinguished electric vehicles?
Who should you contact for LIB information?
Who should you contact for LIB information?
What will the Incident Commander use to take pictures of the batteries involved?
What will the Incident Commander use to take pictures of the batteries involved?
Who will develop a plan for isolating the LIBs?
Who will develop a plan for isolating the LIBs?
When arriving at an incident involving an electric vehicle, where should fire apparatus be positioned?
When arriving at an incident involving an electric vehicle, where should fire apparatus be positioned?
What is the first step in immobilizing the vehicle?
What is the first step in immobilizing the vehicle?
How many hose lines should the Incident Commander consider using during extinguishment?
How many hose lines should the Incident Commander consider using during extinguishment?
What should the crew and master stream device be positioned at during extinguishment?
What should the crew and master stream device be positioned at during extinguishment?
What should be used when conducting a 360 size-up during overhaul operations?
What should be used when conducting a 360 size-up during overhaul operations?
What should be treated as if they are energized during overhaul operations?
What should be treated as if they are energized during overhaul operations?
Why should water not be applied directly to the affected vehicle during extinguishment?
Why should water not be applied directly to the affected vehicle during extinguishment?
What should be considered when applying water to the EV and exposures during overhaul operations?
What should be considered when applying water to the EV and exposures during overhaul operations?
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Study Notes
Safety Precautions
- Do not make contact with high voltage components
- Do not pierce through the hood with tools to gain access, as it may create a severe shock hazard
- Do not cut orange-colored high voltage cables
- Assume high voltage cables and components are energized when handling a partially submerged vehicle
Vehicle Fire Response
- Treat a vehicle fire connected to a charging station as an energized electrical fire
- Shut down the charging station before applying water
- Use multiple hose lines (min. 2 x 65mm hose lines flowing 950 L/min) for extinguishment
- Position crew and master stream device upwind at a 45-degree angle to the side of the vehicle
- Secure a dedicated water supply
Incident Operations
- Position apparatus uphill and upwind from the incident
- Identify the vehicle and confirm if it's a LIB event
- Immobilize the vehicle, chock the wheels, and disable the vehicle
- Remove the proximity key to a safe distance (15m) and disconnect power (emergency cut loop)
Overhaul Operations
- Use a thermal imaging camera when conducting a 360 size-up
- Treat all conductive surfaces as if they are energized
- Allow the vehicle to burn itself out in case of a burning high voltage LIB module
- Apply water to the EV and exposures to mitigate the spread of hazards
- Access the interior of the vehicle and apply water to the interior
- Use large quantities of water to manage or control a battery fire
Additional Notes
- Consideration should be given to waterways and sewers when applying water
- Attempt to stop the flow of contaminated runoff into sewers and waterways
- Contact Canutec (*666) for LIB information and confirm on-site information
- Contact the vehicle manufacturer as an additional resource of information
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