25 Questions
What should the first arriving officer do when evaluating the situation?
Implement the NFPA 1500 risk management process
When should risk/benefit analysis be assessed?
After major tactical objectives are achieved
What is essential during the transition from offensive to defensive attack?
Firm command and control of the operation
What is primarily used in defensive attacks?
Master streams
What is the primary consideration for conducting defensive attacks?
When structural integrity concerns or fire conditions prohibit entry
What is the recommended tactic for protecting internal exposures in defensive mode?
Extinguishing the main volume of fire
What does the energy levels for radiant heat depend on?
The square of the distance between the heat source and exposure
When is applying water directly on exposed structures considered the best tactic?
When inadequate resources or collapse probability makes a direct attack ineffective
What is the primary consideration in placing exterior streams?
Safety and ability to apply water on exposures and to the interior of the building
What type of attack is people intensive?
Offensive attack
When is a solid stream best suited according to the text?
When the attack is on the main body of the fire in a large structure
What does the term 'conflagration' refer to in an urban setting?
A fire that spreads from building to building over a considerable distance, beyond a natural or artificial barrier
What are common contributing factors in urban conflagrations?
Closely built structures, wood shingle roofs, poor water supplies
What is the primary means of fire extension from building to building as the flame front widens?
Radiant heat
Who is typically the best agency to manage the evacuation during a conflagration?
Police
What is the first step in developing a conflagration strategy?
Understanding the methods of heat transfer
Why are nonattack postures underused?
ICs often fail to recognize a total loss
What is the primary damage?
Damage from fire and products of combustion
When is property conservation generally considered no longer an issue?
When crews have been withdrawn from the building
How does the proper application of larger than needed hose streams affect water damage?
Results in less water damage
What is a recommended action to reduce water damage?
Prompt extinguishment and avoiding wash downs
What does removing a toilet create?
4 in. drain
What should be ensured before sending personnel into a confined space containing standing water?
Power has been shut down
What is the purpose of overhaul in firefighting?
To ensure that the fire is completely extinguished and the building is safe for reentry
When can property conservation activities be assigned?
Once critical life-safety and extinguishment positions are staffed
Study Notes
Initial Response and Risk Assessment
- The first arriving officer should evaluate the situation to determine the best course of action.
- Risk/benefit analysis should be assessed to determine the potential risks and benefits of different actions.
Defensive Attack Strategies
- During the transition from offensive to defensive attack, it is essential to have a clear understanding of the situation and to prioritize safety.
- Defensive attacks are primarily used to protect exposures and prevent fire spread.
- The primary consideration for conducting defensive attacks is to protect people and property.
- The recommended tactic for protecting internal exposures in defensive mode is to use a remotely operated monitor or a large-caliber hose stream.
Water Application and Stream Placement
- The energy levels for radiant heat depend on the distance from the fire and the size of the flames.
- Applying water directly on exposed structures is considered the best tactic when the fire is not too large and the structure is not too heavily involved.
- The primary consideration in placing exterior streams is to take into account the wind direction, flame height, and location of the fire.
Conflagration Response and Strategy
- A conflagration in an urban setting refers to a large, uncontrolled fire that spreads quickly from building to building.
- Common contributing factors in urban conflagrations include strong winds, dry conditions, and closely spaced buildings.
- The primary means of fire extension from building to building as the flame front widens is through radiant heat and embers.
- The fire department is typically the best agency to manage the evacuation during a conflagration.
- The first step in developing a conflagration strategy is to identify potential fire spread routes and prioritize resource allocation.
Property Conservation and Overhaul
- Nonattack postures are often underused due to the potential for property damage.
- The primary damage in a fire is usually caused by water and smoke.
- Property conservation is generally considered no longer an issue when the fire is under control and the structure is safe to enter.
- The proper application of larger-than-needed hose streams can increase water damage.
- A recommended action to reduce water damage is to use a smaller hose stream and to apply water only where necessary.
- Removing a toilet can create a pathway for water to flow into adjacent areas.
- Before sending personnel into a confined space containing standing water, it should be ensured that the water is safe to enter and that the necessary precautions are taken.
- The purpose of overhaul in firefighting is to search for and extinguish any remaining hotspots or hidden fires.
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