School Bus Extrication School Bus Extrication Thorough SizeUp
School Bus Extrication
School Bus Extrication • • Thorough Size-Up Initiate ICS MCI Response Request additional resources – – – Pumpers Ambulances Heavy rescue PIO School Rep. PD
Roof access Seat level Floor level Battery Box
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
Type A • Conversion body • Front section – Van type – Pick-up type • Gross weight rating of 10, 000 lbs or less • Capacity > 10
Type B • • • Conversion body Van chassis 10, 000 lbs 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, 000 lbs or more • Capacity > 10 • Engine in front of windshield • Entrance behind front wheels
Type D • Body installed on chassis • 10, 000 lbs 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 • • 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.
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 5 th cut with reciprocating saw. 1 2 3 5 4
Tail Light Door Cut 1 2 3 5 4
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
Fireengineering. com Training Minutes, season 2
- Slides: 40