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Craig > BA > Flashcards

BA Flashcards

1
Q

What is the purpose of BA

A

to reduce the risk of respiratory discomfort or injury to personnel and provide safe systems of work

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2
Q

What is Acute respiratory risk

A

this type of risk will be associated with hazardous atmospheres with the
potential to cause immediate respiratory injury if the face mask were removed

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3
Q

What is a BA sector

A

It is a functional sector with a designated sector commander BA. This will support BA operations, resourcing and logistics and any other BA requirements

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4
Q

What is a BA team

A

a number of BA wearers designated to work together in the risk area

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5
Q

What is a BA wearer

A

all personnel trained and nominated to wear breathing apparatus.

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6
Q

Who is the Communications operative (Comms-op)

A

the person responsible for maintaining communications between BA teams and entry control point (ECP).

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7
Q

What is the Distress signal unit (DSU)

A

an automatic or manually actuated alarm that indicates a BA wearer is in distress.

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8
Q

Who is the Entry control operative (ECO)

A

the person responsible for monitoring and maintaining the entry control board (ECB).

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9
Q

What is the Entry control point (ECP)

A

the position for the command and control, deployment and monitoring of BA wearers into a risk area

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10
Q

Who is the Entry control point supervisor (ECPS)

A

provides a greater level of control at an ECP and is appointed when Stage II entry control is used.

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11
Q

Who is the Incident commander (IC)

A

the person in overall command of an incident at a particular time

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12
Q

What is a Low pressure warning

A

an electronic or pneumatic warning that the safety margin has been reached.

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13
Q

Define New entry

A

the BA wearer is wearing BA for the first or second time, the BA set has cylinder contents at or above the minimum entry pressure of 240 bar when reporting to the ECO.

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14
Q

Define Re-entry

A

the BA wearer has closed down BA set and is redeployed to complete a specific task that does not include firefighting (190 bar minimum and no longer than 15 minutes duration).

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15
Q

Define Safe air

A

an environment where the air is breathable and will not be harmful without the use of respiratory protection.

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16
Q

Define Time of warning

A

the time at which low pressure warning actuates

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17
Q

Define Time to warning

A

remaining working duration until actuation of low pressure warning

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18
Q

Define Turn around pressure (TAP)

A

the pre-determined cylinder pressure at which the BA team should commence withdrawal from the risk area so that the ECP is reached before the low pressure warning actuates.

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19
Q

Define Turn-around point

A

the pre-determined point at which the BA team will turn-around and withdraw from the risk area. This will be a location or landmark i.e. work and don’t go beyond the top of the stairs.

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20
Q

Define Turn-around time (TAT)

A

the pre-determined time the BA team will begin to retrace their steps to withdraw from the risk area, timed and communicated by the ECO/ECPS

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21
Q

Define Working duration

A

the time between taking the first breath, and the actuation of the low pressure warning

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22
Q

BA teams must consist of a minimum of —(how many) BA wearers.

A

2

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23
Q

Which BA team member must have radio communications?

A

The nominated BA team leader

24
Q

In which circumstances wiould one BA wearer suffice?

A

1.operations are not within a building or structure 2. The BA wearer is always in veiw of the IC or nominated crew member

25
Q

How can the atmosphere be hazardous?

A

the atmosphere can be oxygen deficient, toxic or flammable or contain dust or particulates, heat and steam, bio-hazards, cryogenics, aerosols and/or radiation.

26
Q

How can Temperature be hazardous?

A

heat (conducted, convected, radiated, steam contact and reactive chemicals) cold (cryogenic, decompressing gases, ice, cold water, wind chill and very cold metal objects).

27
Q

How can Reduced Visibility be hazardous?

A

smoke and any physical barrier screening another hazard

28
Q

How can Electricity be hazardous?

A

electrocution or electric shock

29
Q

How can Cables and structural failure be hazardous?

A

entrapment and or entanglement.

30
Q

How can The Environment be hazardous?

A

weather, terrain, height, unsafe structures, confined spaces and topographical.

31
Q

How can Hazardous Materials be hazardous?

A

any materials covered by PN 796 – HAZMATS – fires and incidents involving hazardous substances.

32
Q

How can Manual Handling be hazardous?

A

SDBA weighs approximately 15.5kg and EDBA weighs approximately 22kg. Together with full firefighting personal protective equipment (PPE) this amounts to a significant additional load for the wearer.

33
Q

Whan can a nominated BA wearer not rig?

A

Nominated BA wearers must not get rigged in BA en-route to incidents.

34
Q

Why can only BARIE radios be worn in an environemnt where a potentially explosive atmosphere is present?

A

BARIE sets are the only intrinsically safe radios

35
Q

If both telemetry and radio signal is lost the BA team must…

A

withdraw to a point where communications can be restored. This position should be landmarked for deployment of telemetry repeaters.

36
Q

In an emergency, what should preceed radio messages from BA wearers?

A

the message should be prefixed as ‘priority’.

37
Q

If a BA team is unable to communicate on the BA channel (6), what should they use?

A

they should use the general incident command channel (channel 1).

38
Q

What radio channel should be used where a radio leaky feeder is in operation?

A

BA teams will be told to transmit on channel 5.

39
Q

If the Bodyguard ‘reduced battery level’ icon and alarm actuates prior to booking in at the ECP, the wearer must…

A

Withdraw from the ECP and place the set on charge on the appliance.

40
Q

If the Bodyguard ‘reduced battery level’ icon and alarm actuates when the BA set is being worn in the risk area…

A

Inform the ECO or Comms-Op immediately, The BA wearer can continue with deployment within the risk area, Following withdrawal from the risk area the BA set shall be taken out of service and replaced onto the appliance to recharge.

41
Q

When visibility is impaired, BA team members must maintain close personal contact by…

A

Actual physical contact between each BA team member, Attachment by short BA personal line, Within physical touching distance.

42
Q

When can BA team members separate?

A

When BA teams encounter hazards such as stairs or vertical ladders

43
Q

How would you check for telemetry signal?

A

flashing blue LEDs on front of Bodyguard and radio icon ticked on Bodyguard display

44
Q

What action would you take following the loss of telemetry signal?

A

Contact ECP via radio communication to update on safety and wellbeing of the team.

45
Q

How many Incident ground ‘A’ tests can be carried out?

A

A BA wearer can only carry out one incident ground ’A’ test on their BA set. The BA set is not to be used after the second wear unless a ’B’ test has been carried out.

46
Q

Who woul a BA wearers report any injury, safety or near-miss events to?

A

The Incident Commander

47
Q

Who nominates the BA team leader?

A

The Incident Commander or Sector Commander. This must not be a firefighter on development.

48
Q

The BA emergency team must be led by a minimum of…

A

Crew Manager

49
Q

Following exchange of air, the donor must contact the ECO or Comms-Op with what information:

A

BA team location, Whether or not they are adopting entrapped procedure, Whether or not they are exiting the risk area. That exchange of air has taken place and the BA wearers affected.

50
Q

What stage Entry Control procedure must be implemented when guidelines are in use?

A

Stage II entry control procedure must be implemented when guidelines are used.

51
Q

How many main guidelines can be laid along any single route from an ECP?

A

Only 1

52
Q

When must main guidelines be used?

A

Where no other suitable means exist for tracing the way out of a risk area, such as when hose lines are submerged or tangled or premises layout is complex OR To enter high expansion foam.

53
Q

When are branch guidelines used?

A

When there is a need to search off the main guideline a distance greater than can be achieved with the full length of a personal line (i.e. 6m).

54
Q

How many branch guidelines can be used from a single entry point?

A

four branch guidelines can be in use from any single ECP

55
Q

Where practicable guidelines should not be laid closer than ?m to one another

A

6m

56
Q

Stage II procedures are to be used when…

A

More than one ECP is required, More than six wearers are deployed into the risk area at any one time. The incident and structures involved are complex and or the increased deployment of BA, plus the increased risks associated with BA operations, demand a greater degree of control and supervision. BA operations are likely to be protracted. Guidelines are required. The risks presented to BA teams demand a higher level of BA emergency provision, involving the need for BA emergency teams.
466 Issue date: 17 November 2006 28 of 62. EDBA is required. BA telemetry repeater(s) or leaky feeder is deployed. Confirmed basement fire (where size and layout indicate Stage II is appropriate). BA emergency team(s) have been committed. When chemical protective clothing wearers are out of the line of sight of ECP. When committing BA wearers to Hi-Ex foam. When other agencies are being committed in BA.
Note: Both emergency and relief BA teams must be established at Stage II.
Note: SDBA and EDBA teams can be entered onto the same ECB however all BA team members must be equipped with the same type of BA (either SDBA or EDBA) and emergency teams rigged to the highest level of RPE in use e.g. EDBA

Craig (13 decks)

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