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Flashcards in Basements Deck (17)
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Why is does basement firefighting present a unique challenge

Because the fire cannot be accessed from the sides or below.
An attack from above may mean a team of firefighters will have to descend through escaping fire gasses.


What 8 hazards are associated with basement fires

Ventilation is difficult to achieve, and could be compromising.

Heat Barrier.

Difficult access and egress.

Confined working space.

An absence of reference points.

Reduced effectiveness of radio communications.

Increased fire risk due to building services and utilities.

Difficult to locate the seat and extent of the fire.


What must teams outside of the building be looking out for

any changes in conditions, such as temperature, amount and type of smoke.


What is a heat barrier?

The rise of smoke and fire gasses, making the entrance and stairway hotter than the floor of the basement.


What basement openings can provide access or means of ventilation

Pavement lights.
Cellar flaps/doors.
Smoke extracts.


What would help a firefighter gain important information about a specific premises.

a 7 (2)(d) visit, or a fire safety inspection.


How can a firefighter gather information en route?

Via the MDT (Mobile Data Terminal)


What may indicate the location and extent of the fire

An automatic fire alarm (AFA) or a sprinkler system.


When committed to gather information, what should BA teams identify?

The layout of the basement.

The location of any staircases, lifts or other shafts.

The location of the fire and any other hazards.

Any fixed installations or ventilation systems.


When any information has been gathered, would should the BA wearing firefighters next action be?

To relay back using radio comms, and exchange any information during a debrief.


What action should be considered when combating fire spread in a basement

Covering jets should be deployed at any openings


What action should be considered when ventilating in a basement

BA teams should withdraw from the risk area before ventilation is carried out.

Any openings that are created should be covered by a jet to prevent external fire spread.

It must only be carried out on the command of the IC, who should have all available information before deciding.


What procedures must firefighters committing to a basement follow?

Must have a charged 45mm jet as minimum weight of attack.
Stay low to avoid unnecessary exposure to heat.
Use correct branch techniques.
If possible, get below the heat barreir before applying any water.
Warn any other BA teams when starting to fight the fire.


What support must be given to a BA team committed to a basement fire?

A second team, deployed with a 45mm jet, with the aim of protecting the exit route.
Water should not be applied by the safety team without considering the effect on conditions for the team working ahead.
Any objects which may be blocking the exit route should be moved.


How would the TIC be used in a basement fire?

It should be used to locate the fire and assess the situation. It could also be used on the floor above to locate any heat transfer.


What might aid communications when working in a basement?

The use of a leaky feeder


What should be considered if normal firefighting procedures cannot be used?

The use of high-ex foam