command and communication
What does the first-arriving firefighter establish upon arrival
Answer: Command
What is the purpose of size-up
What should an arrival report include
What are some responsibilities of a crew leader?
Selecting tactics, tools, monitoring safety, and coordinating resources.
What is the primary hazard associated with energized electrical equipment?
Electrocution
What system is used to establish an organizational structure for all emergency incidents?
What are some factors to observe during size-up while responding to an incident?
What are the two main operational strategies?
Offensive and defensive.
What is the minimum flow rate for an initial attack line
100 gpm (400 L/min)
What is the recommended safe distance from downed power lines?
1 1/2 times the distance between power poles.
What information should the initial Incident Commander relay to a higher-ranking officer upon their arrival?
Information established with available resources and arriving units.
What is the importance of a 360-degree survey during size-up?
To gather information on victim survivability, fire location, smoke conditions, etc
In what situation is a defensive strategy typically employed
When the risk to responders outweighs the benefits of offensive attack
Why is a backup hoseline important
To protect the attack hoseline team, provide egress, and add suppression capability.
What is ground gradient?
The flow of electrical current outward from the point of contact when a wire touches the ground.
What are some examples of reports that individual units provide to the Incident Commander?
Tactical progress reports.
Name three fire behavior indicators
What are some tactics used in an offensive strategy?
Direct fire attack and rescue.
Name three types of hose appliances
What are some hazards associated with underground spaces?
Oxygen deficiency, flammable gases, toxic gases, and extreme temperatures.
What are the three incident priorities that incident management should reflect?
Life safety, incident stabilization, and property conservation.
What factors influence command decisions regarding fire growth and development
Forecasting fire growth, identifying scene hazards, and identifying ventilation flow paths
What are the priorities in a defensive strategy?
To protect exposures, control fire spread, and confine the fire.
What factors dictate nozzle and stream selection
Fire conditions, water supply, staffing, and nozzle capabilities
What should be included in prearranged hazard mitigation plans for underground spaces?
Victim/rescuer protection, utility control, communications, fire extinguishment, ventilation, and lighting.