Hazards Flashcards
This refers to the typical smoke movement found in residential and commercial structures without impact from the environment?
Mushrooming
If There’s more than two floors above the fire still contain occupants what should be established with a chief officer in charge?
Search and evacuation branch
This happens when smoke is rising upward from the fire floor until it reaches the roof level. Smoke then bangs off the roof and migrate down word back towards the fire floor?
Mushrooming
This is the natural movement of air within a relatively tight sealed building due to the temperature difference between the air on the inside and outside of the structure?
Stack effect
This may occur in sealed buildings when the temperature of the smoke produced is not sufficient to cause it to rise all the way to the top of the building?
Stratification
Stack effect is more noticeable during what weather season?
Winter
To prevent flashover it is imperative that the overhead area is what?
Cooled with a hose stream
Members must check the Plenum area how?
TIC or physical inspection
The wind hazard can exist with exterior windows as low as what?
10 to 20 mph
What should be included in the situation report during a high-rise fire?
Volume of fire
Intensity of heat felt and temperatures observed through the thermal imaging camera
During wind driven fires the first truck or rescue should establish what?
Safe haven/refuge area
When fire is located in utility shafts fire extension can occur in what directions
Up or down
When firefighters come across a metal door which opens towards them should suspect what type of room?
A electrical room or vault
Units that respond to fires in high-rise buildings under construction must carefully evaluate what?
The stage of completion of the building
If concrete work is still underway and the framework is in place and burning can personnel be committed to interior operations?
No
