Basements 773 Flashcards

1
Q

What hazards are associated with basements

A
Metabolic heat stress 
Heat barrier 
Backdraft/flashover 
Uncontrolled ventilation
Complex layout
Limited access/egress
Cramped conditions 
Entanglement 
Heavy fire loading
Complex layout
Communication loss
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2
Q

What must an IC take into account when considering ventilation

A

Adverse impact on persons involved

The benefits of early ventilation for firefighters entering or persons evacuating the building

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3
Q

What is the minimum weight if attack

A

45mm hose 230LPM

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4
Q

When should the massage basement procedure implemented be sent

A

Once the IC has commuted BA teams with a 45mm jet set at 230LPM and another BA team are protecting the Access/egress with a 45mm jet set at 230LPM

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5
Q

What are the implications of incorrect use of ventilation systems

A

Adverse effect of persons involved
Rapid or uncontrolled fire spread
Backdraft

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6
Q

What fixed installations can be associated with basements

A
AFA
Mechanical ventilation or smoke extraction systems
Falling mains
Sprinkler systems
Foam inlets
Gas flood system
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7
Q

Who should the IC contact before considering ventilation

A

Senior fire safety officer

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