Cordons PN 415 Flashcards

1
Q

What are the benefits of a cordon?

A

Separate those at risk from the hazard
Facilitate the operations of emergency services
Protect the scene and prevent unauthorised access

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2
Q

What does a cordon denote?

A

A hazard area within which a level of training, PPE, supervision or information is required for safe operations

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3
Q

Name 3 types of Cordon used on the incident ground

A

Inner
Outer
Traffic

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4
Q

What is an inner cordon?

A

To restrict or exclude fire service or other emergency services from the scene of operations (hazard zone)

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5
Q

How is an inner cordon boundary be marked?

A

Yellow barrier tape with ‘Hazard Zone’ written in black.

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6
Q

Who gives approval for people to enter the inner cordon?

A

Only the IC or nominated officer

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7
Q

What is an Outer Cordon?

A

A boundary surrounding the inner cordon that separates the public from areas used by emergency services for support activities.

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8
Q

How is the outer cordon marked?

A

Using white barrier tape marked in red ‘Fire Service - do not cross’

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9
Q

Who controls the entry and exit points of the Outer Cordon?

A

The police

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10
Q

What is a traffic cordon?

A

Established beyond the outer cordon to prevent unauthorised access to the scene.

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11
Q

Who establishes and maintains the traffic cordon?

A

Normally the police.

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12
Q

What tools are available to identify the positioning of a cordon?

A

Each brigade atlas should have an acetate overlay which are designed for cylinder incidents
or use the CSS on board the CU.

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13
Q

Who should you tell if you implement a cordon?

A

Everyone on the incident ground and control.

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14
Q

What information about the cordon should you tell Control?

A

The position, suitable approach routes or RVP for oncoming vehicles

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15
Q

At an incident where the LFB has primacy, who is responsible for the safety of all emergency service personnel with the inner cordon?

A

The IC

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16
Q

At a major incident who is / was referred to as Fire Silver?

17
Q

At a major incident who is / was referred to as Fire Bronze?

A

Sector commanders

18
Q

When does the fire brigade stop having responsibility for safety of all personnel within the inner cordon?

A

When the brigade no longer has a prime role at the incident. it will be handed to the police.

19
Q

Describe the Hot Zone

A

The area where gross contamination will occur / area of greatest risk

20
Q

Decribe the warm zone

A

The area surrounding the hot zone, risk of cross contamination. Gross contamination should be removed within this zone.

21
Q

What is the cold zone?

A

The area between the warm zone and the outer cordon

22
Q

Before removing a cordon what should happen?

A

Speak to the other services in case they need the cordon to remain (ie crime scene)

23
Q

What is the cordon for Government explosives?

24
Q

What is initial hazard zone for cylinder procedure?

25
What is initial zone for ionising radiation?
25m depending on survey meter
26
What is minimum zone for HAZMATS?
Minimum 25m upwind
27
Minimum zone for asbetsos?
25m upwind
28
What is minimum cordon for terrorist related incidnets?
suitcase - 100m car - 200m lorry - 400m if in doubt - 400m
29
What is the radio exclusion zone at terrorist incidents?
hand held radio - 10m | main scheme - 50m
30
Who picks the colour of the armband worn at major incidents and given out by the Inner Cordon Controller?
The police 'silver' will pick a different colour each day