School Bus Extrication

1
School Bus Extrication
2
School Bus Extrication

• Thorough Size-Up
• Initiate ICS
• MCI Response
• Request additional resources
• Pumpers
• Ambulances
• Heavy rescue
• PIO
• School Rep.
• PD

3
(No Transcript)
4
Roof access
Seat level
Floor level
Battery Box
5
(No Transcript)
6
Types of Buses

• Type A
• Type B
• Type C
• Type D
• (90 percent are C D)

• Size
• Weight
• Capacity
• Location of Front Exit
• Additional exits
• Engine Location

7
Type A

• Conversion body
• Front section
• Van type
• Pick-up type
• Gross weight rating of 10,000lbs or less
• Capacity gt 10

8
Type B

• Conversion body
• Van chassis
• 10,000lbs or more
• Capacity gt 10
• Engine beneath or behind windshield, next to
  drivers seat
• Entrance behind front wheels

9
Type C

• Body installed on a flat back cowl chassis
• 10,000lbs or more
• Capacity gt 10
• Engine in front of windshield
• Entrance behind front wheels

10
Type D

• Body installed on chassis
• 10,000lbs or more
• Capacity gt 10
• Engine
• Behind windshield
• Midship
• Rear axle
• Entrance is before front wheels

11
Construction
12
(No Transcript)
13
Yellow Tanks
14
Rescue Corridor
Enter
Exit
Establish a rescue corridor to maintain the one
way flow of rescuer and victim removal and
prevent congestion.
15
(No Transcript)
16
(No Transcript)
17
Extrication
18
Cribbing

• Initial priority
• Large amount of cribbing
• Crib as you go
• Rescue struts
• Air bags
• Wrecker
• Do not flatten Tires!!!!!!!!!!!!

19
Tools

• Hydraulic rescue tools
• Cribbing
• Halligan
• Pry bars
• More cribbing
• Air Chisels
• Hand Tools
• 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.
20
Bus Strength
Weakest

• Windows
• Windshield
• Doors
• Bus Structure Itself

Strongest
21
Bus Strength
Weakest

• Windows
• Windshield
• Doors
• Bus Structure Itself

Strongest
22
Seat Removal

• Seats may be a main source of entanglement to
  victims.

23
Seat Removal

• Cut legs along aisle with cutters or
  reciprocating saw.
• Cut as low as possible.

24
Seat Removal

• Remove seat from wall with spreaders.

25
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

26
Windshield Removal
27
Roof Removal

• 2 layers of sheet metal to cut through
• Reciprocating saw
• Air chisel
• Circular saw
• Halligan

28
Side Wall Removal

• Remove side windows.
• Disconnect batteries.
• Reciprocating saw.
• Look for coolant lines along floor for auxiliary
  heaters.

29
Side Wall Removal
30
Side Wall Removal
31
Tail Light Door Cut

• Greater access
• Hydraulic cutters
• Reciprocating saw

32
Tail Light Door Cut

• Remove glass.
• Perform cuts 1, 2, 3, 4 with hydraulic
  cutters.
• Perform 5th cut with reciprocating saw.

1
2
3
4
5
33
Tail Light Door Cut
1
2
3
5
4
34
Tail Light Door Cut
35
Tail Light Door Cut
36
Victim Removal thru Roof

• Crib bus
• Use existing openings
• Use halligan to make holes for roof ladder

37
Victim Removal thru Roof
38
Victim Removal thru Roof
39
Fireengineering.comTraining Minutes, season 2
40
(No Transcript)