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Flashcards in Compartment firefighting PN793 Deck (9)
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1

What are the 9 Hazards associated with Compartment firefighting?

Flashover
Backdraft
Explosive atmospheres
Steam
Uncontrolled ventilation
High temperature
Structural deterioration
Exposed utilities
Loss of comms

2

When entering a compartment what is the minimum the jet should be comprised of?

45mm and on 230lpm

3

A back up teams hose should be what of the original team?

one hose length longer

4

What is the purpose of a covering jet?

To minimise the hazards of flame and products of combustion

5

Why should covering jets never be aimed directly into openings?

They could potentially force flame and unburnt gases back into the compartment

6

Can a Hose reel or less be used?

Yes, but only where information confirms it is a small known fire.

7

Where hose lines have more than 3 lengths what should be done to mitigate frictional loss?

Minimum of 70mm hose should be laid out from the fire ground pump to the entrance.

8

Before external ventilation begins, what must be in place?

A covering jet

9

What should be BA teams consider before entering a compartment?

The survivability of casualties and whether firefighting from the door way is more viable.

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