Compartment Firefighting 793 Flashcards Preview

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Flashcards in Compartment Firefighting 793 Deck (12)
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1
Q

What are the hazards associated with compartment firefighting

A
Backdraft 
Explosive atmosphere/fire gas explosion.
Flashover
Steam
Uncontrolled ventilation
High temperatures 
Structural deterioration 
Exposed utilities 
Loss of communication
2
Q

What is the minimum size hose and flow rate

A

45mm 230LPM

3
Q

What hose should the second BA team have

A

Equal to or greater set at 230LPM and at least one hose length longer

4
Q

What is the principal of the second firefighting jet

A

To protect the access and egress and remain in place at all times whilst firefighting commenced

5
Q

What is and where should a covering jet be used

A

A covering jet is used to cool unburnt gases outside a compartment and should be directed above the opening on a suitable surface

6
Q

What should be conduct prior to any compartment firefighting

A

360*

7
Q

What info is gathered on a 360*

A
Life risk 
Extent of fire
Smoke behaviour 
Entry exit points
Potential ventilation outlets
8
Q

What info should the IC consider before commencing compartment firefighting

A
Number and location of persons
Location and size of fire
Nature and size of compartment 
Construction 
Contents
Potential for fire growth 
If the compartment is vented
9
Q

What sources of info are available to the IC

A
MDT
AFA panel
PIB
Responsible person
Building signage
10
Q

What size hose should the main hose line be made up of if greater than 3 lengths

A

70nm from the pump to reduce frictional loss and 2 lengths 45mm the the branch

11
Q

What can BA teams use to help locate the seat of fire

A

TIC

12
Q

What should a BA team do if they experience a sudden loss of water

A

Withdraw immediately