Chapter 4 Safety Issues Flashcards
Wildland is defined as: sparsely populated geographical areas covered primarily by ____
grass, brush, trees, crops, or combination thereof.
Department’s policy requires that members, engaged in wildland firefighting operations, have the _____ on their persons for additional protection
protective hood
It has been noted in prolonged wildland firefighting operations that the greatest number of injuries occur from fatigue due ____. Dehydration is also a problem.
to heat
4 common denominators: Firefighters lost their lives on relatively small fires or in ____ of large fires.
seemingly “quiet” sectors
4 common denominators: Fatal burns were inflicted in relatively light fuels, such as _____.
grass weeds or very light brush.
4 common denominators: An unexpected shift in the ____ occurred.
wind direction or wind speed
4 common denominators:
Deaths occurred when the _____
fire ran uphill, trapping firefighters.
Spot fires are one of the most ____ fire conditions facing the wildland firefighter.
hazardous
When spot fires develop, the fire can come at you from _____.
any direction with great intensity and speed.
Don’t go ____ to work on a spot fire: go down to the upwind side, then over to the fire on the ____. This will provide an escape route.
directly downhill / same level or lower.
Spot Fires : it would probably be best to ____, concentrate on hitting the spot fires using your tank water, and letting the ____.
remain mobile / main body of fire burn down to the road.
Saddles :
As the fire burns upslope or out of a canyon and arrives at a saddle, it will probably boil over in the saddle area and spot _____.
below on the opposite side of the ridge.
Saddles :
This type of fire situation can envelope large areas and burn with great rapidity back up the ridge because of the ____ created by the saddle and because of the rolling eddy that develops on the lee slope.
venturi-type of vacuum
A saddle is an extremely hazardous location from which to operate; operate from ______ until fire passes over.
crest on either side of saddle
Ridges are the logical place to ____ fire, but don’t try to stand in front of the fire to do it.
stop and hold an upslope
Ridges : The safest place would be on the ___ of the ridge. Normally there is an updraft from the lee slope as a fire crests. This updraft should _____ from you.
far side / carry the heat away
Chances of a canyon-bottom blow-up are fairly remote if the canyon is wide (_____). In a narrow V-shaped canyon, a blow-up can spell disaster to any firefighters located there.
200 yards or more
Danger signs to watch out for in canyon bottoms are:
1. Spot fires on the ____ from the main body of the fire. This is a sign that the fuel on the far side is ____. The entire canyon fall could burst into flame without warning.
far side away / pre-heating
Danger signs to watch out for in canyon bottoms are:
2. Fire whirlwinds in the canyon bottom indicating ____. You may be able to move in after the fire bottoms the canyon and makes a move towards the opposite canyon wall. Once the fire starts up the opposite side of the canyon, you probably won’t be able to stop it short of the ridge.
unstable air
Do not park in ___, at the tops of _____, above _____, or in front of a running fire.
saddles / draws and chimneys / dense fuel masses
Stay away from the street side of the apparatus when possible. Other fire apparatus or civilian drivers will _____.
not be able to see you standing in the smoke filled street.
If fire is going to overrun you:
In a closed apparatus, get inside and close the windows. Consider using your ____ to protect you from radiated heat coming through the window glass.
fire shelters
If fire is going to overrun you:
In an open apparatus, have the pump running and stay on the side of the apparatus _____. If possible, park the rig against a cut bank, get on the running boards on the side away from the fire, and use your protection line. Do not get ____ of the rig; in either position you are vulnerable. If available use your breathing apparatus. Consider the use of your fire shelter.
away from the fire / under or on top
The fire shelter saves lives by reflecting ____.
radiant heat.