Strategies & Tactics Flashcards
Information needed for size up can fit into three areas…..
The environment
The resources available
Conditions or situations
Firefighting Goals
3 commonly known systems
REVAS
RECEOVS
REEVAS
Tactical Objectives
More specific functions that are designed to meet strategic goals
Measurable results
Tactical Methods
Processes employed at the task level
Satisfy tactical objectives
Classical Decision Making Model
Used when IC’S are confronted with a situation they have not experienced in the past
Classical decision making model is based on 4 Steps:
Aim
Factors
Courses
Plan(action plan)
The following three simple steps can be used to figure the pump discharge pressure needed:
- calculate the constants
- calculate the additional pressure needed
- Calculate the friction loss in the hose
In general, dry chemical extinguish class b and c fires by interrupting the…….
Chemical chain reaction
Was primarily used for protecting sensitive electronic equip because it didn’t leave a residue…..it was also common for engine protection in high end boats and yachts
Halon 1301
Water tenders carry water in amounts from……
1000 to 8000 gallons or greater
In large multiple dwelling or apartment houses, the preferred choice for getting to the roof is……
Using an adjoining building
If the building is isolated, an aerial or tower ladder is preferred.
If the fire is in a smaller building, the preferred way to the roof is via…..
An aerial or ladder truck
Scuttle covers can be removed with hand tools. However, if they have been tarred over, a saw with a _________ may be necessary
Carbide tip blade
_________roof procedures involve roof-cutting operations with power tools
Secondary
When cutting the roof, the hole should be at least…..
4 feet x 4 feet
To accomplish ventilation without a fog stream, stand __________ from a window and direct the stream roughly the size of the window out the window.
6 to 8 ft
A quick way to force an inward swinging door is to place a halligan tool ______inches above or below the lock with the bevel side of the fork against the _________.
6 inches
Bevel against the door.
If the door is difficult to force, place the bevel side of the halligan against the _________ and apply pressure towards the door.
Against the door jamb
Hydraulic ram or rabbit tools
4 to 6 pumps of the ram will force the most inward opening doors
First Floor Fires
One of the biggest hazards encountered in first floor fires is the ___________
A second hazard is the possible___________
Potential speed of fire spread
Complacency of fire crews
Multiple floor search order
Fire floor
Floor above the fire
Top floor
The rest of the building
Apartments built around 1900’s
Construction features
Fire resistive brick exterior with solid wood used for interior
Generally between 4 and 6 stories
Approx. 30ft wide and 80ft deep
Evacuation of older apartment buildings is……
Imperative
How to open double hung windows for ventilation
Two-thirds from the top and one-third from the bottom
Newer Apartment Buildings
Types of Stair Layouts
Isolated stairs
Wing stairs
Transverse stairs
If a well is present in the building stairs, the hose line should be placed in the well.
One 50ft length of hose at the base of the stairs can usually reach 5 floors
A place around the stairs where a hose can be stretched is called?
A Well
Trench Cut
This is a last resort and performed after a sufficient __________is cut over the main body. A trench cut should be approx. ________ from the main ventilation hole.
Vent hole
20 to 30 feet
Row frame building are constructed solely of?
Wood
Row frame buildings can be as tall as?
5 Stories
Row frame building
To confine the fire in the place of apartment of origin, a smaller hose line _____________ is recommended due to its mobility and maneuverability
1 1/2” or 1 3/4” hose line
Brownstone dwellings characteristics
Built in late 1800 and early 1900’s
Exterior made of stone and masonry
Typically 3-5 stories
Brick walls separate each building and extend through cockloft
Brownstone buildings may have pocket doors
When these doors are closed it creates a void for vertical extension.
Ways of horizontal fire spread in Brownstone buildings…….
Cockloft
Common cellar beams
Common cornices
Brownstone hoseline selection
1 1/2” or 1 3/4” is generally sufficient
Garden apartments construction
Typically constructed of wood flooring, studs, and roof
May have siding or brick veneer
2 to 4 stories
Garden apartment ventilation
Both vertical and horizontal are indicated
Stand alone commercial occupancies
Extinguishment
Advance lives that are capable of flows of at least……
125 GPM
The hazards encountered with passenger vehicles, vans, and light duty trucks can be broken down into three broad areas…..
Vehicle components
Alternate fuels
Hazardous cargo
Catalytic converters can reach temps exceeding __________ when functioning improperly
1500 F
Most car manufacturers utilize bright ___________ to indicate airbag systems
Yellow wires
E-85 Fuel characteristics
15% gas/ 85% ethanol
Midwest states use this, primarily Illinois and Minnesota
Should be treated as polar-water—miscible flammable liquid
Highly flammable and heavier than air
Must use alcohol resistant foam
Hoseline selection for extinguishment of a “Typical” vehicle fire?
A single 1 1/2” or greater hand line
Saddle tank sizes
25 to 100 gallons
Minimum response level for a large truck fire?
2 engines and an IC
Semi and heavy duty truck hoseline selection for engine compartment fire….
May require only a single preconnected 1 3/4” line
A back up line should also be stretched.
Class A motor homes are large….
RV’s with a modular body on a frame.
Class C motor homes have a…..
Truck or van chassis and a cab with modular camping unit attached to the back frame
Class B motor homes
Van campers
Public transportation bus engine and door locations
Engines are located in the rear
Doors are located in front
E-85 Fuel characteristics
15% gas/ 85% ethanol
Midwest states use this, primarily Illinois and Minnesota
Should be treated as polar-water—miscible flammable liquid
Highly flammable and heavier than air
Must use alcohol resistant foam
Hoseline selection for extinguishment of a “Typical” vehicle fire?
A single 1 1/2” or greater hand line
Saddle tank sizes
25 to 100 gallons
Minimum response level for a large truck fire?
2 engines and an IC
Semi and heavy duty truck hoseline selection for engine compartment fire….
May require only a single preconnected 1 3/4” line
A back up line should also be stretched.
Class A motor homes are large….
RV’s with a modular body on a frame.
Class C motor homes have a…..
Truck or van chassis and a cab with modular camping unit attached to the back frame
Class B motor homes
Van campers
Public transportation bus engine and door locations
Engines are located in the rear
Doors are located in front