BA Flashcards
Station duties of BA wearers?
Undertake A test when taking over set/cylinder change/ nominated to wear spare set.
Inform crew or watch manager of any defects
Inform crew of watch manager is set is due 28 days test.
Keep BA mask free of facial hair
Door procedures from outside of door?
Paint blistered or PVC deformed indicate hazardous conditions
Handles can indicate which way the door opens, and if they are hot
Vision panels can be used to asses condition in compartment
Smoke issuing from under door or around frame
Any hazard signs on door
If hinges can be seen, indicate door will open towards you
Distinguishing features of door that could be used as landmark.
Examples of information gathering on route or at incident for search and rescue?
Number of people involved
Approx ages on people
Any people with disabilities or mobility issues
Info from survival calls made from within building
Last known location and activity
Location in relation to fire
Any information of layout of building
TTW?
Time to warning
Radio channel for BA?
6
When does the PNEUMATIC allow pressure warning sound?
74 bar
+- 5 bar
LDV?
Lung demand valve
Accepted loss of pressure during a leak test?
10 bar
3 types of respiratory hazards?
Acute
Chronic
Airborne particulates
LFB types of RPE?
Breathing apparatus
Respirators
Powered respirator suits (prps)
ECP?
Entry control point
When are BARIE sets tested?
Upon receipt
When allocated to wearer at station
Before use
After use
Anually
Most important elements to wearing BA at an incident are: (8)
Adhere to and comply with BA procedures
Communication
Teamwork
Checking bodyguard pressure and time to warning (TTW)
Checking telemetry signal
Understanding BA supplements, firefighting skills and practices
Effective briefing and debriefing
Awareness of physiological effects of working in heat
List 2 methods of ditching a structure in the LFB?
Compartment search
Directional search
RPE policy number?
466
When is a ECB tested?
On acceptance
Daily at watch change
Monthly
After use
3 types of heat stress?
Heat cramps.
Heat exhaustion
Heat stroke
How should BA team members open doors?
6
Keep low and close together against the wall that the door is located
Use door as shield if it opens towards, use one foot against door when opening
If door opens away, BA team should keep close to wall on side of catch
Note effect, and conditions before opening fully
Make sure door will not lock behind the team
Make other teams in area aware that door is being opened
4 occasions where an A test would be carried out?
When taking over a BA set
Following a cylinder change
When nominated to wear a spare BA set
Following respirator use only
Where on the ECB is the call sign notes?
In remarks column
Maximum number of BA wearers that can be connected by a short personal line?
4
SDBA charged pressure?
300 bar
Tested every 5 years to 450 bar
SDBA cylinder weight when charged?
8.5kg
4 ways human body dissipates heat?
Radiation
Convection.
Vapourisation
Evaporation
EDBA
Extended duration breathing apparatus
3 factors that influence consumption rates when wearing BA?
Physical exertion
Physical fitness
Stress
5 principles of safe movement?
Make sure floor in front will take your weight
Check for obstacles and obstructions before moving
Always check above the head before standing
Maintain physical, visual or audible contact with all team members
BA teams operational risk assessment determines the safest and quickest way to achieve objectives
SDBA capacity?
8 litres of water
2160 litres of compressed air at 300 bar
STOPCAB
Self contained
Two stage
Open circuit
Positive pressure
Compressed
Air
Breathing apparatus
How many foreground A tests can be carried out in a BA set?
1
The set is not to be used after a second wear unless a B test is carried out
Stage 1 entry control? (6)
Limited number of wearers over a limited time
Limited to 6 BA wearers
Limited to 1 ECP
Incident ground and structures are not complex
IC must nominate BA emergency team where resources permit
IC must nominate comms op when resources permit
ECO duties at incident?
Don ECO surcoat
Set up ECB and complete info
Provide IEC pack with resuscitator
Switch incident ground radio to BA channel (6)
Print Ic to provide emergency BA team where resources permit
How often does the ECB update from the BA set its “logged on” with?
Every 20 secs
Drager ps 7000 SDBA?
Standard duration breathing apparatus
Test frequency of a BA personal line?
On receipt
When allocated to a wearer at station
When allocated to wearer at incident
After use
Every 28 days
Frequency of B test?
Upon acceptance at station
After any use
Every 28 days
6 aspects BA team leaders should take into account?
Air taken to reach scene of operation
Work rate at scene of operation
Conditions within the incident that reduce working duration and cause physical exhaustion
Possibility that conditions of exit route may have deteriorated
Info received by entry control and other teams
That consumption rates on way out will be higher due to natural effects of physical exertion
At what pressure does the ELECTRONIC low pressure warning sound?
84bar
Who is responsible for briefing a BA team?
IC
Not ECO
Minimum number of firefighters a BA team must consist of?
2
What hose line should BA crews be committed with?
45mm
When are cable cutters tested?
On receipt
During A and B test
After use
When must a DSU be activated?
If wearer becomes lost or confused
Are injured and in difficulty
Have problems with BA set
Become distressed or disoriented
3 methods of maintaining close personal contact with other BA tram members?
Actual physical contact
Attachment by short personal line
Within physical touching distance
Circumstances where 1 firefighter wearing BA would suffice?
In open air
In line of sight of the ECO
BA personal line?
6 meters long
Plastic covered Kevlar
Divided into 2 sections by a D ring
Snap hook fitted on standing part
Small ID disc, with serial number of line and year of issue
Karabiner fitted on running end
Carried in pouch on right and site of BA set
Can be split into 1.25m or 6m
Length of leaky feeder cable?
175 meters
ECB testing frequency?
Done by ECO
On acceptance
Daily at watch change
Monthly
After use
How much does the drager BA set weigh when ready to use?
15.5kg
Who should you inform if you become entangled in slack cables?
ECO
They will consider committing a BA emergency tram
4 features of STOPCAP?
Positive pressure, first breathe activated
Speech diaphragm
Addition flow button
Stable air supply with low breathing resistance
How is the “working duration” of a BA set mesured to and from?
Starting to breathe through the face mask
Operation of the low pressure warning device
5 steps to follow if a BA set or ancillary equipment is found to be defective?
Notify leading FF, sub or station officer
Take it off the run
All items must be cleaned before returning to PEG
Complete log book including rear
Reverse log book in wallet to show word “defective”
Methods of rescuing casualties
One person drag
One person drag on straps if wearing BA set
Two person drag
BARIE?
Breathing Apparatus Radio Interface Equipment
What colours are the shoulders of a SDBA?
Black and white.
Denotes medical grade breathable air
Nominated ECO station duties?
Ensure ECB is charged and tested
Ensure ECO surcoat is there
IEC pack
China graph pencil
Tripod and bracket
Evac whistle
Guidelines and tally’s
BA side memoirs
Thermal imaging camera
Telemetry repeaters
Leaky feeders
Second set carrying bags
Minimum entry pressure for a SDBA and EDBA?
240 bar
Requirements of an emergency BA team?
Have radio comms
Be at least the same size as team saving
Be lead by at least crew manager
Be equipped to at least the same as team saving
Have spare BA set for every 2 persons saving
When landmarking, list 4 things to consider?
Size and type of building
ECP in relation to surroundings
Any appliances in relation to entry point
Any firefighting equipment committed into building. (Hoses etc)
Two stages of BA control?
Stage 1
Stage 2
Contents of ECB pouch?
A and B guideline tally’s
Entry control hi viz
Aide memoires
Evacuation whistle
When using safe movement, what type of wall is usually safest to follow?
Loans baring, structural wall.
Floor is usually strongest here
Minimum air pressure required for A and B test?
270 BAR
How many BA sets on a 2 appliance station?
9 on the run,
1 in reserve
SDBA working duration
31 minutes
At 50 lpm
Radio channels? 1-8?
1 general incident and command
2 additional command channel that can only be used on attendance
3 used under direction of OIC for specific tasks
4 only used under direction of duty radio officer
5 leaky feeder comms, including BA base station equipment
6 BA
7 special use
8 special use
Oxygen and carbon dioxide levels breathed in, and exhaled in air and BA set?
IN = 21% oxygen and 0.04% carbon dioxide
OUT = 16% oxygen 4% carbon dioxide
