Transcript School Bus Extrication

School Bus Extrication
School Bus Extrication
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Thorough Size-Up
Initiate ICS
MCI Response
Request additional
resources
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Pumpers
Ambulances
Heavy rescue
PIO
School Rep.
PD
Roof access
Seat level
Floor level
Battery Box
Types of Buses
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Type A
Type B
Type C
Type D
(90 percent are C & D)
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Size
Weight
Capacity
Location of Front Exit
Additional exits
Engine Location
Type A
• Conversion body
• Front section
– Van type
– Pick-up type
• Gross weight rating of
10,000lbs or less
• Capacity > 10
Type B
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Conversion body
Van chassis
10,000lbs or more
Capacity > 10
Engine beneath or
behind windshield,
next to drivers seat
• Entrance behind front
wheels
Type C
• Body installed on a flat
back cowl chassis
• 10,000lbs or more
• Capacity > 10
• Engine in front of
windshield
• Entrance behind front
wheels
Type D
• Body installed on
chassis
• 10,000lbs or more
• Capacity > 10
• Engine
– Behind windshield
– Midship
– Rear axle
• Entrance is before
front wheels
Construction
Yellow Tanks
Rescue Corridor
Enter
Exit
Establish a rescue corridor to maintain the
one way flow of rescuer and victim removal
and prevent congestion.
Extrication
Cribbing
• Initial priority
• Large amount of
cribbing
• Crib as you go
• Rescue struts
• Air bags
• Wrecker
• Do not flatten
Tires!!!!!!!!!!!!
Tools
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Hydraulic rescue tools
Cribbing
Halligan
Pry bars
More cribbing
Air Chisels
Hand Tools
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Reciprocating saws
Saw blades,
Axe
Drill
More saw blades
Circular Saw
Rescue Struts
When using cordless tools, always have
extra batteries and electric tools ready as a
back-up.
Bus Strength
Weakest
• Windows
• Windshield
• Doors
• Bus Structure Itself
Strongest
Bus Strength
Weakest
• Windows
• Windshield
• Doors
• Bus Structure Itself
Strongest
Seat Removal
• Seats may be a
main source of
entanglement to
victims.
Seat Removal
• Cut legs along aisle
with cutters or
reciprocating saw.
• Cut as low as
possible.
Seat Removal
• Remove seat from
wall with
spreaders.
Window Removal
• Easily removed.
• Remove screws from
side windows on the
interior.
• Remove post with
reciprocating saw or
hydraulic cutters.
• Cover sharp edges.
– Blanket
– Duct Tape
Windshield Removal
Roof Removal
• 2 layers of sheet
metal to cut through
• Reciprocating saw
• Air chisel
• Circular saw
• Halligan
Side Wall Removal
• Remove side
windows.
• Disconnect batteries.
• Reciprocating saw.
• Look for coolant lines
along floor for
auxiliary heaters.
Side Wall Removal
Side Wall Removal
Tail Light Door Cut
• Greater access
• Hydraulic cutters
• Reciprocating saw
Tail Light Door Cut
• Remove glass.
• Perform cuts; 1, 2,
3, & 4 with
hydraulic cutters.
• Perform 5th cut
with reciprocating
saw.
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5
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Tail Light Door Cut
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5
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Tail Light Door Cut
Tail Light Door Cut
Victim Removal thru Roof
• Crib bus
• Use existing openings
• Use halligan to make
holes for roof ladder
Victim Removal thru Roof
Victim Removal thru Roof
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