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Fire > Chapter 29 > Flashcards

Chapter 29 Flashcards

1
Q

Name the three types of anchors

A
  • Natural anchors
  • Structural anchors
  • Pseudo anchors
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2
Q

What are ‘P’ rated carabiners rated to?

A

“Personal use”

  • Major axis minimum strength 26.67 (27)kN
  • Minor axis minimum strength 7.33 kN
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3
Q

What are ‘G’ rated carabiners rated to?

A

“General Use”

  • Major axis minimum strength 40kN
  • Minor axis minimum strength 10.67kN
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4
Q

At Special rescue events the firefighter’s role is to help the special rescue unit, this may include:

A
  • Hazard control -
  • Equipment retrieval -
  • Support -
  • Crowd control -
  • Fire control -
  • Rescue practices -
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5
Q

A Special Rescue event may comprise of what types of situations?

A
  • -Structural collapse -
  • Trench Collapse -
  • Cave and Tunnel emergencies -
  • Water and Ice emergencies -
  • Elevator and Escalator emergencies -
  • Energized electrical line emergencies -
  • Agricultural emergencies
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6
Q

What are the basic elemental units of measurement for: -Length -Weight -Time -Temperature

A
  • Length- meter (m)
  • Weight- gram (g)
  • Time- second (s)
  • Temperature- kelvin (K)
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7
Q

What is the formula for: Speed

A

Speed= Distance/Time Unit= m/s

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8
Q

What is the formula for: Acceleration

A

Acceleration= (Distance/Time)/Time Unit= m/s2

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9
Q

What is the formula for: Force

A

Force= Mass x Acceleration Unit= Newton (N)

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10
Q

Applying the rounding up principle:

A one person load will equal ___?

A two person load will equal ___?

A

1 person= 1kN

2 person= 2kN

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11
Q

A rescuer working with any “Moving” rope must wear

A

Gloves

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12
Q

What is the rating of the Steel Triangular Screw link

A

Breaking strength: 44.03 kN

Weight: 153g

  • Constructed to withstand multidirectional forces
  • Used where a carabiner wouldbe subjected to multidirectional forces
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13
Q

List the names and ratings of the Steel and Aluminium Carabiners

A

“G” steel lite locking- 44.7kN, 173g- all rescue loads

“G” Large steel D locking- 50kN, 210g- all rescue loads

“P” Aluminium ‘P’ rated- 27kN, 73g- Personal connections only

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14
Q

Name and Rating of the PMP

A

Prusik Minding Pulley

Breaking strength 36kN

Weight 310g

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15
Q

Ratings of the Twin Prusik Minding Pulley

A

Breaking strength 45kN

Weight 580g

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16
Q

What are the ratings for the Mini- PMP

A

Breaking strength- 17kN

Weight- 80g

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17
Q

Rating for the 540 Rescue Belay

A

MBS- 36kN

Weight- 990g

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18
Q

Ratings of the Rescue Brake Bar

A

MBS- 40kN

Weight- 500g

19
Q

Ratings of Rigging Plates

A

MBS- 44.4kN

Weight- 638g

20
Q

Ratings of Swivels

A

MBS- 35.58kN

21
Q

Rating of Yellow Plastic Basket Stretcher, with a stainless steel top rail

A

Weight- 14kg

Size- 213cm x 60cm x 18cm

22
Q

What determines the need for a rope rescue

A

Any event where a patient or rescuer has a possibility of a fall

23
Q

What unit of force is used to rate strength of equipment used by EFRS

A

KiloNewton (kN)

24
Q

What is the formula to calculate the KiloNewton?

A

F=m x a

F= kg x m/s2

25
Q

‘P’ rated carabiners are rated at

A

26.67kN

(27kN)

26
Q

‘G’ rated carabiners are rated at

A

40kN

27
Q

What is the strongest part of the carabiner?

A

It’s long (or major) axis

28
Q

Why is it necessar to use padding over edges when performing a rope rescue?

A

The rope must be protected from damage during operation

29
Q

Define natuarl anchors

A

The most common type of natural anchors are trees, large rocks, and outcroppings that can be wrapped with webbing or ropes.

30
Q

Describe Structural anchors

A

A place of structural integrity such as major load bearing beams and billars, window washer anchros, window/door frames, roof scuppers etc.

31
Q

Describe Pseudo anchors

A

These are anchor points that may be used as an anchor, but under certain conditions it may move.

32
Q

What does the acronym IDEAS stand for?

A
  • Integrity
  • Direction of force
  • Equalization and no Extension
  • Angles
  • System of Anchors
33
Q

What are the three tests of a rescue system?

A
  • White board analysis
    • Does the system function as intended?
    • How do you know for sure?
  • Critical points examination
    • are all points backed up by another system
    • could one point fail and cause a serious accident
  • Whistle test
    • if every rescuer let go of their system, would the system still protect the patient and the rescuer?
34
Q

What does SSSF mean?

A

Static System Safety Factor

35
Q

Name the equipment used to construct a proper anchor?

A
  • Webbing
  • Rope
  • Industrial slings
  • Carabiners
  • Rigging plate
  • Swivel
36
Q

What is the SSSF followed by EFRS?

A

10:1

37
Q

Who on the team can call for a STOP?

A

Anyone

  • Everyone has the responsibility to call stop if they recognize a hazard. The team leader must inquire the reason for the stop.
38
Q

Explain the I in IDEAS

A

Integrity

  • Integrity of anchor point
  • How is it rooted to ground/building
  • Does it have sufficient mass to suppor the force that may be applied to it?
39
Q

Explain the D in IDEAS

A

Direction of force

  • Direction of the force of the load upon the anchor
  • anchor should be in line with the force being applied, or any anticipated direction of force
40
Q

Define the A in IDEAS

A

Angles

  • Examine for Critical angles
    • These may cause failure in the system
41
Q

Explain the E in IDEAS

A

Equalization and No Extension

  • Anchor legs should have equal tension
    • This shares the load
  • No Extension in the system
    • Extension is movement of the focal point.
    • Should one anchor leg fail there should not be any extension of the anchor legs causing high impact forces to be placed on teh remaining anchor point
42
Q

What are the degrees of force on each leg of an anchor with a critical angle of:

  • 0
  • 30
  • 90
  • 120
  • 150
  • 180
A

0 = 50%

30 = 52%

90 = 70%

120 = 100%

150 = 200%

180 = Infinite

43
Q

Explain the S in IDEAS

A

System of Anchors

  • What type of anchor system is required
    • What are the advantages/disadvantages of the system

Fire (15 decks)

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