Basement Procedure

Question 1

At basement fire; where should the IC remain

Answer 1

At surface level.

Unless preplanning arrangement have located a more suitable location ie fire control centre

Question 2

Basement fires; who should the ic consider requesting for advice before operating ventilation or smoke extraction systems

Answer 2

SFSO senior fire safety officer

Question 3

Before sending basement procedure implemented what must be in place?

Answer 3

BA team with a min of 45mm jet set at 230lpm and a back 45mm back up jet at 230 to protect the access and egress

Question 4

Can BA teams be re-committed in to a basement?

Answer 4

BA teams should not be re-committed to a basement unless in exceptional

Question 5

Basement procedure; what should all BA wearers use when committed?

Answer 5

Thermal image camera

Question 6

Basement procedure;

A BA team should not be committed until…. ?

Answer 6

A suitable, sufficient and sustainable water supply is secured

Question 7

Basement fire; where shouldn’t a covering jet be directed?

Answer 7

To any opening in a fire compartment.

Which can push flame and I burnt gasses back into the compartment increasing the chance of flashover.

Question 8

Basement procedure;

If practicable and if no persons are in the basement what can be done to improve conditions?

Answer 8

Ventilation

Never when BA crews are committed because an influx of oxygen could cause rapid fire spread or back draught

Question 9

Basement procedure;

What could the incorrect use of ventilation system cause?

Answer 9

• Adversely affect any person involved
• rapid or uncontrolled fire spread
• lead to back draught conditions

Question 10

At extensive sub surface incident what special procedure can be implemented?

Answer 10

A reconnaissance team can be sent down to locate a possible bridgehead or deal with a small incident

IC, Ba team, eco all wearing but not started up BA sets.

• eco board
• extinguishing media
• guideline
• a record must be kept of any persons that go below ground.

Question 11

Where should a BCP be set up and when?

Answer 11

Base Control Point

At surface level and before any person is committed below ground

Question 12

What are the key responsibilities of the BCP?

Answer 12

To provide

• reserve and emergency resources
• record any personnel below ground

Question 13

What should be set up between the BCP and bridgehead

Answer 13

Hose or guide line

Question 14

What is needed at a BCP even if a bridgehead hasn’t been set up?

6

Answer 14

• reserve ba team (comms and guide line)
• ECB
• comms operator
• access to main scheme radio
• means of recording personnel below ground
• leaky feeder

Question 15

Sub surface procedure:

Once a bridgehead has been implemented what additional are needed?

Answer 15

• emergency team to bridgehead
• guide line or hose between
• relief teams
• BA main control
• fire fighting media
• repeaters

Question 16

Sub surface inc

Where should if possible a bridgehead be set up?

Answer 16

Protected staircase

Question 17

Subsurface inc
What should be done if comms are lost between BCP and bridge
Actions of - BCP?
- bridgehead

Answer 17

BCP - commit an emergency team

Bridgehead - consider withdrawing all ba teams

Question 18

Subsurface inc

Loss of comms between bridgehead and BA teams?

Answer 18

• Eco must commit emergency team
• BA team must withdraw to bridgehead
• BCP must send a replace emergency team

Question 19

When Basement procedure has been implemented, what stage of BA should be implemented?

Answer 19

At this point IC should ensure that stage II BA entry control is implemented if appropriate

Question 20

Due to the physicality of working in basements what should the IC consider?

Answer 20

The nature of fire fighting in basements can be physically demanding and IC should consider early reliefs. BA teams should not be re-committed to a basement unless in exceptional

Question 21

What are the considerations before ventilating in a basement fire situation?

Answer 21

Consider ventilating before BA crews are committed and never when inside

If there are persons reported

A covering jet must be in place adjacent to any openings where
the products of combustion are likely to escape. A covering jet must never be directed through any opening into the fire compartment

On done on the IC orders