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Flashcards in Firefighting In Basements Deck (21)
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1

What is the minimum weight of attack

45mm jet

2

What setting should the branch be set at.

230lpm

3

What should be in place before commiting crews into a basement.

2 x 45mm jets
1 x 45mm jet longer
Entrance and exit protected.
Secured water supply with twinned 70mm hose.

4

Name 10 hazards with basements

Utilities
Heat barrier
Fire loading
Rabbit warren layout
Heat stress
Cramped conditions
Flashover/backdraught
Engagement
Hoarding
Communication

5

Where will crews get information from on basements

7.2 ds
ORD

6

What fixed installations can be present in basements

Sprinklers
Automatic fire alarm
Falling main
Foam inlets
Mechanical ventilation or smoke extraction

7

Where should the IC locate for a basement incident.

Surface level unless pre planning states otherwise such as fire control room.

8

Who should the first IC try to locate.

Responsible person

9

What considerations should the IC be thinking about.

Additional resources
Safety officer
Sectors

10

Who can advise the IC on fixed installations

Senior Fire Safety Officer

11

IC should also consider what with ducting.

Ducting and ventilation pipes and a full search of these done with TIC

12

What can a Firefighting crew use to assist in searching and firefighting

TIC

13

What stage of BA is used at basements

Stage 1
But consideration should be given to early use of stage 2 or criteria hit for stage 2

14

When should Basement Procedure message be sent

When the IC has committed BA teams to the basement with a minimum of 45mm hose and branch set to 230lpm. A team protecting egress with 2nd 45mm jet at 230lpm.

15

What does it mean when Basement Procedure implemented is sent

A DRA has been carried out and SSOW has been implemented

16

What can be used to improve communication at Basement incidents

Leaky feeder channel 5

17

If using open water for water supply what must it be

Virtually inexhaustible i.e river canel

18

When can ventilation take place

Only on the IC order

19

What must be in place before ventilation takes place

Covering jets adjacent to opening
These must not be directed directly into the fire as they will push flame back.

20

Can ventilation take place before crews are committed

Yes, if no life is to be saved and it can improve conditions for crews prior to entry.

21

What can incorrect use of ventilation sytems cause.

Worsen conditions for persons involved.
Increasr fire spread
Lead to a backdraught