Chapter 12 ISO at Structure Fires Flashcards
Define building geometry
The constellation of elements that must be taken into consideration at a structure fire, including issues associated with the buildings layout, size, number or floors, access options, and other features.
Define High rescue profile
A classification indicating a high likelihood that a person located within a fire-involved structure can be successfully rescued
Define Marginal rescue profile
A classification indicating a moderate likelihood that a person located within a fire involved structure can be successfully rescued; in this scenario, there is clear danger to occupants and rescuers but no compelling evidence to indicate a high or zero rescue profile
Define personnel accountability report (PAR)
An organized reporting activity designed to account for all personnel working an incident. To be truly effective, it should include radio transmissions that include confirmation of the assignment, location, and number of people in each assignment
Define rescue profile
A classification of the probability that a victim will survive a given environment within a given building space or compartment.
3 levels of rescue profiles
High, marginal, zero
What is the Read 3 skill set?
read smoke, read building, read hazardous energy
What is the risk taking formula?
principle hazards +/- integrity + other hazards +/= resource effectiveness = risk taking
What are the two components that can minimize risk taking?
environmental integrity and resource effectiveness
issues associated with the buildings layout, size, number of floors, access options, and other features
Building geometry
What are the principle hazard categories at a structure fire?
hostile fire events
Building geometry
Collapse potential
Hazardous energy
The status of the building, conditions, and hazards in terms of stability (change potential) and time (rate of change)
Environmental intergrity
What are the 4 ways environmental integrity is defined?
Stable not likely to change = subtracts
Stable slowly changing = may or may not subtract
Unstable changing slowly = adds to risk taking
Unstable changing quickly = exponentially adds to risk
When the ISO surveys the entire area of incident impact what should they ensure crews have?
2 escape areas
Clear corridor for egress
What is the recommended staff total for high hazard occupancy?
42
What is the recommended staff level for medium hazard occupancy?
30
What is the recommended staff level for low hazard occupancy?
23
Over how many feet present unique concerns regarding reach
300 feet
Classification given to the probability that a victim will survive a given environment within a given building space or compartment
Rescue profile
Spaces within a building where a victim would be in danger of harm from the incident and the likelihood of survival is good with a rescue effort
High rescue profile
Under what temperature does water show rivulets slowly moving down the inside of the glass (condensation) which can be survivable space?
160F
What are some visual indicators of a high rescue profile?
clear windows above or near active fire Minimally smoke-stained windows Visible interior blinds Condensations on inside of windows Obvious smoke thermal balance
Spaces within the building that present a danger to occupants and rescuers bt there is no compelling evidence to indicate a high or zero rescue profile
Marginal rescue profile
Indicators of a marginal rescue profile
fast, thick, dark smoke leaving a space that is not turbulent and not filled the space
intact dark stained windows that have no heat stress cracks
spaces that experienced a collapse but did not become fire involved
Spaces or areas where conditions are simply not survivable
Zero rescue profile
Indicators of zero rescue profile
Turbulent black and super dense smoke filled the given space
Deeply stained windows with long smooth heat stress cracks
Areas that have floor level temperatures over 300f
Areas that experienced collapse and rapid fire involvement
What is a PAR?
Organized reporting activity designed to account for all personnel working at an incident
What events should trigger a PAR?
operational mode change
incident benchmark has been achieved
Report or witnessing a flashover or collapse
After a report of missing or trapped firefighters
When should a ASO be considered?
Large buildings with significant fire involvment
When plans section is established
Fires in building with unusual or unique hazards
When ISO is requested inside the IDLH
When mayday declared and RIC activated
What information should be shared between RIC leader and ISO?
Locations of interior crews Fire behavior issues Access/egress options Building construction collapse threats Hazardous energy issues
In a building with a central hallway and stairwell what is the number one tactical priority?
Controlling smoke and heat for search. fire attack, and firefighter safety
What is usually the cause of commander dysfunction?
Incomplete or inaccurate incident intelligence
Failure to update the IAP to address changing conditions
Inexperience of the IC
