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IFSTA - Chapter 8
Rescue and Extrication
104
Other
Not Applicable
02/28/2009

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Term
inverter
Definition
auxiliary electrical power generating device. Converts the vehicles 12- or 24- volt DC current into 110- or 220-volt AC current (331)
Term
generator
Definition
a portable generator powered by small gasoline or diesel engines and generally have 110- and/or 220-volt capacities (331)
Term
arc
Definition
a luminous discharge of electricity across a gap. Produces very high temperature (334)
Term
hydraulics
Definition
branch of fluid mechanics dealing with the mechanical properties of liquids and the application of these properties in engineering (334)
Term
shoring
Definition
general term used for lengths of timber, srew jacks, hydraulic and pneumatic jacks, and other devices that can be used as temporary support for formwork or structural components or used to hold sheeting against trench walls. (338)
Term
cribbing
Definition
varying lengths of hardwood, usually 4"x4" or larger, used to stablize vehicles and collapsed buildings during extrication incidents (339)
Term
block and tackle
Definition
series of pulleys (sheaves) contained within a wood or metal frame. Used with rope to provide a mechanical advantage for pulling operations. (346)
Term
triage
Definition
system used for sorting and classifying accident casualties to determine the priority for medical treatment and transportation (350)
Term
stabilization
Definition
process of providing additional support to key places between an object of entrapment and the ground or other solid anchor points to prevent unwanted movement (350)
Term
chock
Definition
wooden, plastic, or metal block constructed to fit the curvature of a tire; placed against the tire to prevent apparatus rolling (351)
Term
packaging
Definition
readying a patient for transport (356)
Term
safety glass (laminated glass)
Definition
special glass composed of two sheets of glass that are laminated to a sheet of plastic sandwhiched between them under high temperature and pressure. (357)
Term
safety glass (laminated glass)
Definition
glass primarily used for automobile windshields and some rear windows (357)
Term
tempered glass
Definition
type of glass treated to become harder and more break-resistant than plate glass or a single sheet of laminated glass (357)
Term
tempered glass
Definition
glass used most commonly in side windows and some rear windows (357)
Term
unibody construction
Definition
method of automobile construction used for most modern cars in which the frame and body of a vehicle is all one integral unit (360)
Term
long backboard
Definition
The ______________ is one of the most common types of litters used by fire service personnel (330)
Term
four rescuers
Definition
Immobilizing a victim who is suspected of having a spinal injury on a long backboard requires _________________ (330)
Term
two rescuers
Definition
When dangers at the scene are life-threatening to the victim and rescuers, or the victim is not suspected of having a cervical spine injury and is just being relocated, this process may be performed with only ___________________ (330)
Term
extremities lift/carry
Definition
The ______________ can be used with either a conscious or an unconscious victim and requires two rescuers (330)
Term
chair lift/carry
Definition
The ________________ can be used with either a conscious or an unconscious victim and cannot be done with a folding chair. (330)
Term

Advantages of inverters are - (331)

Definition

 

- fuel efficiency

- low or nonexistent noise during operation

Term
- limited power supply capability
- limited mobility from the vehicle
Definition
Disadvantages of inverters - (331)
Term
generator
Definition
The most common power source used for emergency services; can be portable or vehicle mounted (331)
Term
generator
Definition
power supply usually light enough to be carried by two people and useful when electrical power is needed in an area that is not accessible to a vehicle mounted system (331)
Term
portable and fixed
Definition
lighting equipment can be divided into two categories - (331)
Term
may restrict the operation of other electrical tools using the same power supply
Definition
overtaxing the power plant gives poor lighting, may damage the power generating unit or the lights, and ______________________________________________________ (332)
Term
twist-lock receptacles
Definition
_________________________ provide secure, safe connections as long as they are not immersed in water (333)
Term
junction box
Definition
The ________________ has several outlets and is supplied through one inlet from the power plant. (333)
Term
spreaders, shears, combination spreaders/shears, and extension rams
Definition
What are the four basic types of powered hydraulic tools used in rescue incidents? (335)
Term
spreaders
Definition
What were the first powered hydraulic tools to become available to the fire/rescue service? (335)
Term
shears
Definition
What hydraulic tool is capable of cutting almost any metal object that can fit between the blades? (335)
Term
shears
Definition
Typical _________ are capable of producing tons of cutting force and have an opening spread of approximately 7 inches. (335)
Term
spreader
Definition
A typical hydraulic _________ can be used to extricate a victim in a vehicle accident, force entry into a structure, or lift a collapsed structural member. (335)
Term
hydraulic pumps
Definition
Manual _________________ can provide a limited amount of power in the event the hydraulic unit fails (335)
Term
combination spreader/shears
Definition
This tool consists of two arms equipped with spreader tips that can be used for pulling or pushing (336)
Term
combination spreader/shears
Definition
This combination tool is excellent for a small rapid-intervention vehicle or for departments where limited resources prevent the purchase of larger and more expensive individual tools. (336)
Term
extension rams
Definition
These tools are especially useful when it is necessary to push objects farther than the maximum opening distance of the hydraulic spreaders (336)
Term
porta-power tool system and hydraulic jack
Definition
Two manual hydraulic tools used frequently in extrication work are: (336)
Term
- operate more slowly than powered hydraulic tools
- have limited range of operation
- are labor-intensive
Definition
some disadvantages of manual hydraulic tools are that they - (336)
Term
- relatively inexpensive
- light weight
- can be used in areas inaccessible to powered units
Definition
Some of the advantages of manual hydraulic tools are that they are - (336)
Term
Rescue
Definition
Saving a life from fire or accident; removing a victim from an untenable or unhealthy atmosphere.
Term
Extrication
Definition
Incidents involving the removal and treatment of victims who are trapped by some type of man-made machinery or equipment.
Term
Size Up
Definition

Ongoing evaluation (usually the responsibility of the Company Officer)

 

Used to develop an IAP for the comittment of resources to an incident

Term
Personnel Accountabilty Report (PAR)
Definition
A roll call of all units assigned to an incident. May be requested at any time by the IC, ISO or after a catstrophic event.
Term

Safe Search Guidelines

Definition
  1. Operate in teams of at least two people
  2. Maintain a search pattern (right/left hand)
  3. Ensure all PPE (incl SCBA & PASS) are worn
  4. Ensure a RIC/RIT team is readily available
  5. Ensure you have appropriate tools (forcible entry, flashlight, radio, TIC)
  6. Check doors for heat prior to opening
  7. If possible, ensure a charged hoseline is available
Term
Egress
Definition
Place or means of exiting a structure
Term
All Clear
Definition
Signal given to the IC that a specific area has been checked for victims and none have been found or all found victims have been extricated from an entrapment.
Term
Primary Search
Definition
A rapid but thorough search that is performed either before or during fire suppression operations.
Term
Secondary Search
Definition

Conducted after the fire is under control and the greatest hazards have been controlled.

 

Slower and more thorough than primary search

 

Ideally, should be completed by personnel other than those who completed the primary search.

Term
Primary Search Priorities
Definition
  1. Most severely threatened areas (work as close to fire as possible)
  2. Largest numbers
  3. Remainder of hazard zone
  4. Exposures
Term
Search Line System
Definition
A primary search system for searching large or complex areas that are smoke filled (p312-313)
Term

Multistory Search Priorities

Definition
Fire floor, followed by floor directly above the fire and then the topmost floor.
Term
Search Pattern
Definition

A methodical way to search an area using either the 'right' or 'left' hand method.

Term
Marking Systems
Definition

Should be placed on the lower third of doors/walls to ensure visibility in poor conditions.

 

Avoids duplication of effort.

Term
Search Safety Considerations
Definition

Alertness for weakened structural conditions

Checking doors for heat

Maintaining control of doors when opening

Term
Hoseline Couplings & Direction of Egress
Definition

Should a firefighter become disorientated, they can follow the direction of the male coupling to the exit.

 

"Long Lugs, Live Long"

Term
Breaching
Definition
The act of breaking through a wall (or other structural component) to creat a means of egress.
Term

Rapid Intervention Team (RIT)

Rapid Intervention Crew (RIC)

Definition

Two or more fully equipped, and immediately available, firefighters designated to standby outside the hazard zone to enter and effect a rescue of firefighters inside, if necessary.

 

May perform limited fireground duties.

 

RIC/RIT is a CAL-OSHA requirement

Term

Victim Removal Options (p328-329)

Definition
  1. Incline Drag - used to move an unconcious victim up/down stairs/incline (1 rescuer)
  2. Blanket Drag (1 rescuer)
  3. Webbing/Hosestrap Drag/DRD - (1 rescuer)
  4. Cradle-in-arms carry (1/2 rescuer)
  5. Seat Lift/Carry (2 rescuer)
  6. Three person lift carry
Term
Victim Removal - Emergency Move Conditions
Definition
  1. There is fire or danger in the immediate area
  2. Explosives or other HazMat's are involved
  3. It is impossible to protect the fire/accident scene
  4. It is impossible to access other patients who need immediate life-saving care
  5. The victim is in cardiac arrest and must be moved to a different area (i.e. CPR on a firm surface etc)
Term
Firefighters in Distress/Disorientated
Definition
  1. Stay Calm - Air management
  2. Attempt to retrace your steps
  3. Find a hoseline if one is in place
  4. Look for an exit feel for doors and feel higher areas for windows
  5. Move to an uninvolved area of the structure
  6. Consider breaching a wall/door
  7. Stay near walls so rescuers can find you
  8. If all else fails, activate your PASS and call for "Emergency Traffic/Mayday!"
Term
"Profiling"
Definition
The act of removing/partially removing an SCBA or tool to reduce the physical profile of a firefighter to navigate through a restricted opening.
Term
Transfill Connections
Definition

Two ports on the MSA SCBA used to restore air supply to a downed firefighter who is out of air. Requires a trans-fill hose to make the connection.

 

Once air has been equalized, DO NOT continue with interior operations - exit the building ASAP.

Term
bar screw jacks
Definition
heavy-duty devices excellent for supporting collapsed structural members (338)
Term
bar screw jacks
Definition
these jacks are normally not used for lifting; their primary use is to hold an object in place, not move it (338)
Term
trench scew jack
Definition
because of their ease of application, durability, and relatively low cost, these jacks are sometimes used to replace wooden cross brases (338)
Term
ratchet jacks
Definition
these jacks can be dangerous because they are the least stable. Can fail under a heavy load (338)
Term
air chisels
Definition
often used in vehicle extrication situations, good for cutting medium- to heavy-gauge sheet metal and for popping rivets and bolts (340)
Term
air knives
Definition
can almost instantly create a hole 1 foot in diameter and depth (341)
Term
whizzer saw
Definition
often used for delicate cutting operations such as removing rings from swollen fingers and cutting case-hardened locks and steel stock up to 3/4" in thickness (342)
Term
tripod
Definition
used to create an anchor point above a manhole or other opening allowing rescuers to be safely lowered into confined spaces and rescuers and victims to be hoisted out of them (342)
Term
winches
Definition
should be equipped with handheld remote-control devices and should be positioned as close to the object being pulled as possible so that if the cable breaks, there will be less cable to suddenly recoil (342)
Term
come-along
Definition
a portable cable winch operated by a manual ratchet lever (343)
Term
vehicle extrications
Definition
In most fire departments in the U.S. and Canada, the overwhelming majority of rescue incidents are ______________ (346)
Term
scene size-up
Definition
__________________ is essential to accomplishing a safe and efficient extrication operation (347)
Term
scene size-up
Definition
_________________ begins as soon as the first emergency vehicle approaches the accident scene (347)
Term
Rescuers should be observant as they approach the scene of a motor vehicle accident of - (349)
Definition

 - what are the traffic hazards

- how many and what types of vehicles are involved - where and how are vehicles positioned

- how many victims and what is their status

- is there fire or potential for fire

- any hazardous materials

- are there any utilities involved

- is there a need for additional resources

 

Term
stabilize the vehicles involved
Definition
after scene assessment, and before any other extrication activities are begun, rescuers must _________________________________________________ (350)
Term
electrocution hazard
Definition
hybrid vehicles have high-voltage cables and components that represent an ______________________ for rescuers (353)
Term
front and side air bags, seat belt tensioners, and other devices intended to protect the occupants of the vehicle
Definition
It is important in newer vehicles to eliminate power to the restraint systems such as - (353)
Term
- number of victims and severity of injuries - condition of vehicle - extrication tasks required - note any hazardous conditions
Definition
When assessing the need for extrication activities, what things should be looked for in the immediate area around the vehicle? (349)
Term
30 minutes
Definition
Restraint systems can reamin operational for up to ________ after the power is interrupted (353)
Term
- through normally operating door
- through a window
- by cutting away parts of the vehicle body
Definition
there are three methods of gaining access to victims in vehicles They are - (353)
Term
- oil- and air-filled struts for hoods, trunk lids, and bumpers
- fuel and other flammable liquids
- high-pressure tires
- contents of trunk or vehicle interior
Definition
There are a number of additional potential hazards associated with wrecked passenger vehicles. The most common of these hazards are: (354)
Term
- turn ignition switch to the "off" position
- disconnect both battery cables
- wait for the reserve power supply to drain down
Definition
On many vehicle models, the only method to prevent the accidental firing of electrical-type systems is to - (355)
Term
- cutting all roof posts
- cutting front posts and folding roof back over trunk
Definition
what are the two ways in which vehicle roofs can be removed? (359)
Term
5 Types of structual collapse.
Definition

1. Pancake collapse

2. V-shaped collapse

3. Lean-to collapse

4. A-frame collapse

5. Cantilever collapse

(Pg.362)

Term

V-shaped collapse

 

Definition

When the outer walls remain intact and the upper floors and/or roof structure fail in the middle.

(Pg.363)

Term

Lean-to Collapse

 

Definition
When one outer wall fails while the opposite wall remains intact. The side of the floor or roof assembly that was supported by the failed wall drops to the floor, forming a triangular void underneath. (Pg.363)
Term

A-frame Collapse

 

Definition
When the floor and/or roof assemblies on both sides of a center wall collapse into what might be seen as opposing lean-to collapses. (Pg.363) 
Term
Cantilever Collapse
Definition
When one or more walls of a multi story building collapse, leaving the floors attached to and supported by the remaining walls. (Pg.364)
Term
Common means of locating hidden victums in rubble are:
Definition

*Hailing (yelling out loud).

*Using short distance radar devices.

*Using electronically enhanced acoustic listening devices.

*Using search camaras.

*Using Thermal Imaging Camaras.

*Using search dogs.

(Pg.364)

Term
The two types of hazards associated with collapse are:
Definition
Environmental and Physical hazards. (Pg.365)
Term
Environmental Hazards Involve:
Definition
Damaged utilities, atmospheric contamination, hazardous material contamination, darkness, noise, fire, or temperature extremes and other adverse weather conditions. (Pg.365)
Term
Physical Hazards Involve:
Definition
Secondary collopse, working in unstable debris, working in confined spaces, working around exposed wiring and regbar, and dealing with heights.      (Pg.365)
Term
Some safety precausions to remember when involved in a cave-in or excavation rescue:
Definition

*Only enter a trench if you have trench rescue skills. *Do not enter untill it has been safely shored. *Wear proper PPE. *If oxygen deficient wear SCBA. *Place exit ladder in trench at each end of safety zone. * Cordon off 100 feet from trench. *Eliminate sources of vibration within 500 feet.

(Pg.366) 

Term
OSHA defines a confined space as having the following characteristics;
Definition
*Large enough and so cofigured that an employee can bodily enter and perform assigned work. *It has limited or restricted means for entry and exit. *It is not designed for continuous employee occupancy. (Pg.366)
Term
Physical hazards in confined spaces include:
Definition
*Limited means of entry and egress *Cave-ins or unstable support members *Utility hazards- electricity, gas, sewage. (Pg.367)
Term
When ever rescuers respond to any situation involving electricity, they should ALWAYS do the following:
Definition
*Assume that all electrical lines are energized. *Control the scene and deny unotherized entry. *Call for the power provider to respond, and stand by untill they arrive. *Allow only power company personnel to cut electrical wires. (Pg.369)
Term
What is Ground Gradient?
Definition
When an energized electrical wire comes in contact with the ground, the current flows outward in all directions from the point of contact. As the current flows away from the point of contact, the voltage drops progressively. (Pg.369) 
Term
The four methods used for water rescues are:
Definition

*Reach- Extend a long handled tool to the vitim.

*Throw- Throw a rope or flotation device attached to a rope.

*Row- Use a boat to retrieve the victim.

*Go- Enter the water to reach the victim and pull him or her to safety. (Pg.370) 

Term
Three methods for Ice rescue:
Definition

*Rech- The vitim must be able to hold the aid.

*Throw- Victim must be able to hold the aid.

*Go- Use only if the victim is to far to REACH, or THROW to, or if thety are not able to hold the aid. (Pg.372)

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