Fireground Size Up Flashcards
What are the greatest concerns for fighting fire in Type I construction?
Increased heat
Force entry issues
Open corridors
Ventilation difficulties
What is the most common form of fire extension in a high rise?
Auto exposure
What is the concern with maintenance workers at a high rise fire?
They don’t speak English
Don’t know the Evacuation plan
During elevator operations, what does phase one do?
Reruns the elevator car to the lobby
During elevator ops, what does phase two do?
Places control from within the elevator car
What are two concerns with suspended ceiling?
It can hide fire in void spaces
If it falls, can cause entanglement
What is stratification?
Ultimate cooling and layering of smoke within a building
What is a stacked effect?
Condition caused by temperature differences between inside and outside of building
What is the concern with a HVAC system on a high rise fire?
It can move smoke to unaffected floors within its zone
Where the fire pumps located normally?
In the lower level of the building or cellar
On a fire panel, what would be a good indicator that you have a advance fire in the building?
Individual detections are increasing in number
Activations on more than one floor
What are four life hazard groups
- firefighters
- occupants
- bystanders
- other emergency personnel
What are some terrain categories?
Setbacks-buildings fat from street
Building built on a grade
General accessibility-anything in the way
What are some reasons sprinklers fail?
- block FDC
- vandalism
- improper maintenance
- improper design
- closed valves
- failure to supply system
If you have a fire on a one way street what can you consider?
- let truck in 1st
- crossfire
- water relay
What is the most difficult private dwelling to fight fire?
Queen Victoria due to peaks and valley and ballon frame construction
Where will fires start on a taxpayer building?
In the rear
When fire is within wall and stud channel of a building would vertical ventilation be justified?
Yes
Residential sprinkler system will be in what part of the house?
Attic
Basement
Kitchen
What is the concern of asphalt siding?
Once ignited tremendous amount of radiant heat will spread to
Other homes
When going to work in a vacant structure what is the primary safety concern?
The firefighters safety
In an abandoned building what will be the least visible signs of danger
Structural rot
What are signs that a building that is vacant is actually occupied?
Large amount of activity around entrance
Curtains, cardboard and newspaper on windows
Electrical extension cords stretched from building to building
Openings in sealed areas
Why would a officer considered taking a bigger line inside a vacant structure when the fire is small?
The building may have opening that would feed the fire and take control of building
For a fire in a vacant building how many hose lines should you consider?
3
In a vacant building where is the most damaged suffered?
Interior stair case
During a fire in a vacant structure what are should be avoided?
Fire escapes
Vacant house will
Host more homeless people during which time of year?
Cold weather months
What is type II made of?
Masonry brick with steel support
What some concerns with type II construction?
Most prone to collapse
Built up roof
Gases can be under roof and burn
What are most type II roofs made out of
They have a Layer or top roof, tar, insulation and tar
How many stories can a type III be
1-7 with 2-4 stories being the norm
If Fire gets into void space in. Type III, what type of
Collapse can you expect?
Parapet collapse
What is hybrid construction?
Elements made of
Lightweight material or ore engineered materials
Winds over what speed should be significant?
10 mph
What’s reverse stack effect?
When inside is cold and outside is hot
Is there any signs of collapse in a hybrid building?
No
Two criteria for water supply/ apparatus placement
- Must allow quickest sustained supply
2. Must work at every incident
What’s the one way a fire in a balloon frame will be stopped due to its construction?
Window and door headers
If address has an “A” or 1/2 for an address where should you check for a door?
Back of building
Signs of backdraft?
Black smoke turning yellow
Little to no flame
Smoke puffing
Rapid rush in or air
Signs of flashover
Rollover
Rapid build up of heat
Heavy smoke under pressure
What is the most serious concern facing Fire dept
Life hazard concerns of occupants in private dwelling
Most common way occupants die in a fire
Due in sleep
Attempting to escape
Re-entering to save someone
What is the concern with high humidity during a fire
Cause smoke to hang low
Will a bigger space make the fire spread faster or slower?
Slower
Where are the largest percent of fires started?
Lower level l, mainly the kitchen
If see rear stairs in a Queen Anne style house will they skip the 2nd floor?
Yes. They go from
The 1st floor to third and
Very narrow
What’s the problem with Hollywood front?
Can’t see the real
Roof
In a multi dwelling if the unit is 2-4stories, what type of
Construction is it?
Class V
If the multi dwelling is 4-6 stories, what type of construction is it?
Class III
In multi dwellings, how many apartments are on each floor
2-4
Newer multi dwellings have how many apartments per floor?
4-6
