INVOLVED - CORDONS Flashcards
Explain benefits of a cordon for the IC
To separate those at risk, including FFs from the hazard
To facilitate the ops of the emergency services
To protect the scene and to prevent unauthorised access to evidence or property
Three types of cordon
Inner cordon - excludes access to an area of hazard
Outer cordon - separating the public from areas used by emergency services
Traffic cordon - set up by police at or beyond the outer cordon to prevent unauthorised vehicle access
How is an inner cordon marked?
How is an outer cordon marked?
‘Hazard zone do not cross’ - yellow barrier tape
White barrier tape - ‘fire service do not cross’
Tools available to assist in establishing a cordon?
What should it follow?
Atlas and acetate
CSS - and then it can be printed
Existing barriers and roadways beyond the minimum distance
Once cordon is established, inform?
Control - and inform them of the position, RVP, suitable app road routes and of road closures
Do you keep a written record of personnel inside the inner cordon?
Who might you designate to manage the cordon?
Yes - including other agencies
Sector commander, an ICC (inner cordon controller) may be dedicated to each entry/exit point.
Explain the level of command at a major incident
IC will be operating at the tactical level referred to as ‘fire silver’ with sector commanders at the scene of ops becoming ‘fire bronze’
Where is the equipment for inner cordon control carried?
Major incident
The major incident box is carried on the CU: Fire silver tabard ICC tabards Forms Aide memoirs Armbands Security tape
The ICC will allocate each person entering the cordon a number in sequence from…?
And record details on which form?
Before entering what will people have to wear?
01 and record details as required on the form IC1
An armband with the date, IC1 number and entry point letter - supplied in four colours. Police silver will choose a colour at random, colour might change from day to day if incident is protracted.
Can you enter the inner cordon for a specific task?
No but you can leave for a specific task if within line of sight
What happens when the ICR identifies people within the inner cordon who have not been issued arm bands?
Details recorded on form IC2, and a number prefixed with IC2 - starting from IC2/01. This is an interim form for passing info to the ICC
Describe the following (at major incidents);
Hot zone
Warm zone
Cold zone
Hot - the area where gross contamination could occur
Warm - area surrounding hot zone, cross contamination may occur. Gross contamination should be removed from this area
Cold - area outside inner cordon and between the warm zone and the outer cordon. No exposure to contaminants or risk expected
Cordon dimensions;
Government explosives Cylinder procedure Ionising radiation Fires and incidents involving biological risks HAZMATS Asbestos Terrorist -suitcase Car HGV/lorry - any doubt
500m
200m
25m
Restricted zone around incident following RA
25m - public may need to be evacuated more than 200m
25m upwind (asbestos)
100m
200m
400m
Appliance main scheme - 50m HH radios 10m