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Questions and Answers
What is a challenge posed by basement fires in terms of ventilation?
What is a challenge posed by basement fires in terms of ventilation?
- Unlimited ventilation options
- Limited window space and points of access (correct)
- Easy access to the basement
- Excessive window space
What happens to a basement fire that has self-vented?
What happens to a basement fire that has self-vented?
- The fire becomes vent-limited
- The burn rate slows down
- The fire is fully extinguished
- The probability of collapse increases due to an intensified burn rate (correct)
What is the approach to ventilation in a vent-limited basement fire?
What is the approach to ventilation in a vent-limited basement fire?
- Aggressive ventilation strategy from the start
- Immediately ventilate the entire basement
- Avoid ventilation altogether
- Maintain a vent-limited situation until fire attack operations are commenced (correct)
What is the purpose of continuous incident monitoring and assessment?
What is the purpose of continuous incident monitoring and assessment?
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What is a limitation of thermal imaging cameras in basement fires?
What is a limitation of thermal imaging cameras in basement fires?
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Why should sounding or sag not be relied upon in basement fires?
Why should sounding or sag not be relied upon in basement fires?
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Study Notes
Ventilation in Basement Fires
- Basement fires have limited ventilation options due to restricted window space and access points.
- If the fire has self-vented, there is a higher probability of collapse due to an intensified burn rate.
Ventilation Strategies
- If the fire is ventilation-limited, it will be maintained until fire attack operations begin and progress is made.
- An aggressive ventilation strategy will be implemented when deemed appropriate.
- The Incident Commander (IC) selects a ventilation method from the "toolbox" based on the situation.
Additional Considerations
- Continuous incident monitoring and assessment are necessary to gauge structural integrity.
- Interior condition reports must be communicated to command.
- Tactical deployments must be well-coordinated due to limited operational timeframes.
- Thermal imaging cameras can help locate fires below or within flooring systems, but cannot assess floor strength or safety.
- Floor coverings may hide the existence of heat from a fire below.
- Sounding or sag are not reliable indicators of potential collapse.
- A stationary command post should be established as soon as possible (a.s.a.p.).
- A proper safety network must be in place, including a Rapid Intervention Team (RIT), entry control, a safety officer, and accountability.
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