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Command > Definitions > Flashcards

Definitions Flashcards

1
Q

Define flashover

A

A sudden hostile fire event that occurs when all surfaces and contents of a space reach their ignition temperature nearly simultaneously resulting in full room fire involvement

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2
Q

Backdraft

A

Occurs when air is suddenly introduced back into a closed space that is filled with pressurized, ignition temperature, and oxygen deprived products of combustion and pyrolysis

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3
Q

Ghosting

A

Hostile warning event intermittent ignition of small pockets of smoke usually seen as fingers of flame

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4
Q

Flame over

A

Hostile fire event, ignition and sustained burning of the overhead layers of smoke in a room or hallway

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5
Q

Attic space

A

The space between the roof and the ceiling of the top story of a residence

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6
Q

Basement

A

A story or stories of a building located below the first story

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7
Q

Class A fire

A

Fire involving combustible materials such as wood cloth and paper

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8
Q

Class B fire

A

Fire involving a flammable or combustible liquid

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9
Q

Class C fire

A

Fire involving energized electrical equipment

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10
Q

Class D fire

A

Fire involving combustible metals

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11
Q

Class K fire

A

Fire involving combustible cooking media such as vegetable oil’s, animal fats

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12
Q

Combustible liquid

A

Any liquid having a flashpoint at or above 37.8°C or below 93.3°C

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13
Q

Dangerous goods

A

regulated by the transportation of dangerous goods act Canada

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14
Q

Fire detector

A

A device which detects a fire condition and automatically initiates an electrical signal to acute an alert signal or alarm signal and includes heat detectors and smoke detectors

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15
Q

Fire separation

A

Construction assembly that acts as a barrier against the spread of fire, may or may not have a fire resistance rating

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16
Q

Firewall

A

A fire separation of non-combustible construction that subdivides a building or separates adjoining buildings to resist the spread of fire that has a fire resistance rating as per building code

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17
Q

Flammable liquid

A

A liquid having a flash point below 37.8°C 

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18
Q

Flashpoint

A

The minimum temperature at which a liquid within a container gives off vapour in sufficient concentration to form an ignitable mixture with air near the surface of the liquid

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19
Q

Heat detector

A

A fire detector designed to operate at a predetermined temperature or rate of temperature rise

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20
Q

Lower explosive limit

A

The minimum concentration of vapour in air at which flame occurs on contact with source of ignition

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21
Q

Means of egress 

A

A continuous path of travel provided for the escape of persons from any point in a building

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22
Q

Non-combustible construction

A

Type of construction in which a degree of fire safety is attained by the use of non-combustible materials for structural members and other building assemblies

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23
Q

Residential occupancy

A

An occupancy in which sleeping accommodation is provided to residents

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24
Q

Smoke alarm

A

A combined smoke detector and audible alarm device designed to sound an alarm within the room or suite where there is smoke within the room or suite

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25
Q

Smoke detector

A

A fire detector designed to operate when the concentration of airborne combustion products exceeds a predetermined level

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26
Q

Supervisory staff

A

Those occupants of a building who have some delegated responsibility for the fire safety of other occupants under the fire safety plan 

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27
Q

Vapour pressure

A

The pressure exerted by the liquid 

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28
Q

Mitigation

A

The overall strategy of hazard control

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29
Q

Mitigation hierarchy

A

A preferred order of hazard control strategies -elimination, reduction, adaptation, transfer and avoidance

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30
Q

Guideline

A

An adaptable template that offers wide flexibility in application

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31
Q

Procedure

A

A strict directive that must be followed with little or no flexibility

32
Q

Risk management

A

The process of minimizing the chance, degree, or probability of damage, loss or injury

33
Q

Collapse zone

A

The area that is exposed to trauma debris and or thrust should a building or part of the building collapse.

34
Q

Dead load

A

The weight of the building itself and anything permanently attached to it

35
Q

Live load

A

Any force or weight, other than the building itself that a building must carry or absorb

36
Q

General collapse

A

The complete failure of a building to resist gravity

37
Q

Partial collapse

A

An event in which the building can accept the failure of a single component and still retain some strength

38
Q

Compression

A

A force that causes a material to be crushed or flattened

39
Q

Eccentric load

A

A load that is off-center to another

40
Q

Sheer

A

A force that causes the material to be torn in opposite directions

41
Q

Structural element

A

The primary load bearing column, beam or connection used to erect a building

42
Q

Tension

A

A force that causes the material to be stretched or pulled apart in line with the material

43
Q

Torsional load

A

A load that is imposed in a manner that causes another object to twist

44
Q

Situational awareness

A

 The degree one’s perception of his or her current environment mirrors reality

45
Q

Cold zone

A

The area surrounding a warm zone that is used for an incident command post, support agency interfacing and staging of personnel and equipment

46
Q

Warm zone

A

The area surrounding the hot zone where personnel, equipment, and operators are operating in support of the operation

47
Q

Hot zone

A

The area immediately surrounding a hazardous area that can be considered an immediately dangerous to life and health (IDLH) environment requiring appropriate PPE, accountability procedures, and standby rapid intervention crew

48
Q

No entry zone

A

The area in which no responders are to enter, regardless of PPE, due to dangerous conditions

49
Q

Firm intervention

A

A direct order to immediately stop, alter, suspend, or withdrawal personnel, activities and operations due to an imminent threat

50
Q

Soft intervention

A

Awareness or suggestion made to crews or command that causes them to modify observations and activities to prevent injury from a potential threat

51
Q

Safety trigger

A

An approach that an ISO uses to help remind firefighters to be situationally aware and perform in a safe and predictable manner

52
Q

Building geometry

A

the buildings layout, size, number of floors, access options and other features

53
Q

Rescue profile

A

the probability that a victim will survive a given environment within a given building space or compartment. Classifications include high, marginal and zero rescue profile.

54
Q

High rescue profile

A

Classification indicating a high likelihood that a person located within a fire involved structure can be successfully rescued

55
Q

Marginal rescue profile

A

A classification indicating a moderate likelihood that a person located within a fire involved structure can be successfully rescued, in this scenario there is clear danger to occupants and rescuers but no compelling evidence to indicate a high or zero rescue profile

56
Q

Zero rescue profile

A

A classification indicating no likelihood that a person located within a fire involved structure can be successfully rescued, in this scenario conditions are simply not survivable

57
Q

Brittle

A

a material that will fracture or fail as it is deformed or stress passes design limits

58
Q

Ductile

A

Description for a material that will bend, deflect or stretch as a force is resisted yet retain some strength

59
Q

Emergency evacuation

A

A strict order for all crews to immediately escape from a building interior or roof, leaving hose lines and tools that can impede rapid retreat behind

60
Q

Hazardous energy

A

The unintended and often sudden release of stored, residual or potential energy that will cause harm if contacted

61
Q

Pyrolysis

A

The chemical breakdown of compounds into other substances by heat alone

62
Q

Smoke

A

The products of incomplete combustion and pyrolysis , it includes an aggregate of particles, aerosols and fire gases that are toxic, flammable and volatile

63
Q

Define workplace

A

All locations where municipal services, business or social activities of the city of Peterborough are conducted

64
Q

Define discrimination

A

Discrimination – unfair treatment of a person or group based on a personal character whether intentional or not

65
Q

Define harassment

A

Harassment – engaging in a course of vexatious comment or conduct that is known or ought to be known to be unwelcome 

66
Q

Command

A

Either a single incident commander or unified command structure

67
Q

Responder

A

Any member of the Fire service assigned to the incident

68
Q

Resources

A

responder, response vehicle, and or equipment

69
Q

Strategy

A

Overall strategy declared by command either defensive or offensive

70
Q

Zone

A

A geographic area, including areas above or below grade, for which an assessment has been made as to a responders exposure to risk

71
Q

Workplace violence

A

A) The use of physical force against or by a worker that causes or could cause physical injury such as punching hitting kicking pushing
B) the attempted use of physical force against or by a worker that could cause physical injury
C) an action or statement reasonably believed to be a threat to safety or security in the workplace

72
Q

Define incident action plan

A

Can be a verbal plan, tactical worksheet, written plan or combination thereof

73
Q

Occupancy

A

Use or intended use of the building

74
Q

Occupant load

A

Number of persons for which the building is designed

75
Q

Fuel load

A

– Amount of fuel present expressed in terms of weight of fuel per unit area
– total quantities of combustible contents of building space or fire area

76
Q

Initial action plan

A

– strategy & tactical objectives for an incident

Command (17 decks)

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