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Diving Regulations Flashcards

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1
Q

What is IMCA D022?

A

IMCA’s code of practice for offshore diving operations.

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2
Q

What is the main purpose of IMCA D022?

A

To ensure safe planning, execution, and management of diving operations.

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3
Q

Who must comply with IMCA D022?

A

Diving contractors, supervisors, and clients involved in offshore diving.

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4
Q

What types of diving does D022 apply to?

A

Surface-supplied, saturation, and bell diving.

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5
Q

Who has overall responsibility for a diving operation?

A

The Diving Contractor.

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6
Q

Who is responsible for safe conduct at the dive site?

A

The Diving Supervisor.

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7
Q

Can a supervisor dive during operations?

A

No, supervisors must not dive while supervising.

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8
Q

What qualification must a Diving Supervisor hold?

A

IMCA-recognized Supervisor certification for the diving mode.

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9
Q

How many supervisors are required per operation?

A

Enough to ensure continuous supervision.

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10
Q

What is the role of the Diving Superintendent?

A

Overall management and assurance of safe diving practices.

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11
Q

What is a Diving Project Plan?

A

A documented plan detailing how the dive will be conducted safely.

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12
Q

What must be included in a diving risk assessment?

A

Hazards, controls, emergency procedures, and contingencies.

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13
Q

When must risk assessments be reviewed?

A

When conditions, equipment, or scope of work change.

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14
Q

What is a Toolbox Talk?

A

A pre-dive briefing covering tasks, hazards, and controls.

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15
Q

Who must attend toolbox talks?

A

All personnel involved in the diving operation.

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16
Q

What is a Life Support System (LSS)?

A

Equipment supporting diver breathing, pressure, and environment.

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17
Q

Who is responsible for LSS operation?

A

The Life Support Supervisor or Technician.

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18
Q

What redundancy is required for life support?

A

Critical systems must have backup capability.

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19
Q

What gas quality standard is required?

A

Breathing gas must meet recognized purity standards.

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20
Q

How must gas supplies be identified?

A

Clearly labeled with contents, pressure, and status.

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21
Q

What communications are required with the diver?

A

Continuous two-way voice communication.

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22
Q

What is the minimum manning for surface-supplied diving?

A

Supervisor, diver, standby diver, and tender(s).

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23
Q

What is the role of the standby diver?

A

To provide immediate assistance or rescue.

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24
Q

Can a standby diver perform other tasks?

A

No, must remain ready for immediate deployment.

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25
What depth monitoring is required?
Continuous monitoring and recording of diver depth.
26
What decompression guidance must be used?
Approved decompression tables or computer systems.
27
Who controls decompression procedures?
The Diving Supervisor.
28
What is omitted decompression?
Failure to complete required decompression stops.
29
What action is required after omitted decompression?
Immediate medical and recompression procedures.
30
What is a diving medical?
A fitness-to-dive assessment by an approved doctor.
31
How often must divers be medically certified?
Typically annually or per national law.
32
What records must be kept for dives?
Dive logs, gas usage, depths, times, and incidents.
33
How long must diving records be retained?
As specified by company policy and regulations.
34
What incidents must be reported?
Accidents, near misses, and dangerous occurrences.
35
Who investigates diving incidents?
The diving contractor with management oversight.
36
What emergency equipment must be available?
First aid, oxygen, communications, and rescue equipment.
37
Is a recompression chamber required?
Yes, for most offshore diving operations.
38
How quickly must a chamber be accessible?
Within a time suitable for effective treatment.
39
What drills must be practiced?
Emergency, evacuation, and rescue drills.
40
How often must drills be conducted?
At regular intervals and before critical operations.
41
What is the role of the client in diving operations?
Ensure competent contractors and safe interfaces.
42
Can commercial pressure affect dive safety?
No, safety must never be compromised.
43
What competence standard applies to dive team members?
Training, certification, and documented experience.
44
What environmental factors must be considered?
Weather, currents, visibility, and temperature.
45
When must diving operations stop?
When conditions become unsafe.
46
What audits apply to IMCA diving operations?
Internal and external IMCA or client audits.
47
Are national laws overridden by IMCA D022?
No, national legislation takes precedence.
48
What is the core principle of IMCA D022?
Safety of the diver above all else.
49
What is the primary purpose of IMCA D022?
To provide guidance on safe planning, management, and execution of offshore and inshore commercial diving operations.
50
Who holds overall responsibility for a diving operation under IMCA D022?
The Diving Contractor.
51
What document must define how a specific diving operation will be conducted safely?
A Diving Project Plan.
52
Who is responsible for the safety of the dive team at the worksite?
The Diving Supervisor.
53
Can a Diving Supervisor supervise more than one dive at the same time?
No, a supervisor must only supervise one diving operation at a time.
54
What is the minimum requirement before any diving operation begins?
A suitable and sufficient risk assessment.
55
What is a toolbox talk used for in diving operations?
To brief the dive team on specific hazards, tasks, and controls before work starts.
56
What is the purpose of a diving operations manual?
To describe standard procedures, emergency actions, and equipment use.
57
What is meant by fitness to dive?
Medical and physical suitability of a diver to safely perform diving work.
58
How often must a diver hold a valid medical certificate?
At all times while engaged in diving operations.
59
What is the function of the standby diver?
To be ready to assist or rescue the working diver immediately.
60
What is the minimum manning requirement for surface-supplied air diving?
Supervisor, working diver, standby diver, and dive tender(s).
61
Why must diving equipment be properly maintained and certified?
To ensure reliability, safety, and compliance with standards.
62
What records must be kept for each dive?
Dive logs, depth, time, gas used, decompression, and incidents.
63
What is a hyperbaric evacuation or treatment plan required for?
To manage decompression illness or emergencies requiring recompression.
64
What role does the client have in diving operations?
To ensure competent contractors are used and operations are properly planned.
65
What must be in place before diving near vessel operations?
Clear communication, isolation procedures, and vessel control measures.
66
Why is gas management critical in diving operations?
To ensure sufficient breathing gas for work, emergencies, and decompression.
67
What action must be taken after an incident or near miss?
Report, investigate, and implement corrective actions.
68
What is the overall safety philosophy of IMCA D022?
Hazards must be identified, risks reduced to ALARP, and safety prioritized at all times.
69
What is the Diving Supervisor’s primary responsibility?
The safety of the dive team and control of the diving operation at the worksite.
70
When does a Diving Supervisor’s responsibility begin and end?
From the start of diving preparations until the dive team is stood down.
71
Can a Diving Supervisor perform other tasks during a dive?
No, the supervisor must focus solely on supervising the diving operation.
72
What must a Diving Supervisor verify before diving starts?
That the diving project plan, risk assessment, and procedures are suitable and understood.
73
What is the supervisor’s role in risk assessments?
To ensure they are completed, reviewed, and applied to the operation.
74
Who ensures that all dive team members are competent and certified?
The Diving Supervisor (on behalf of the Diving Contractor).
75
What must the supervisor confirm about diving equipment?
That it is suitable, tested, certified, and fit for purpose.
76
What communication responsibility does the supervisor have?
To maintain effective communication with divers, tenders, and relevant personnel.
77
What is the supervisor’s role during toolbox talks?
To lead or ensure the briefing covers hazards, tasks, and emergency actions.
78
What authority does a Diving Supervisor have during operations?
Full authority to stop the dive if safety is compromised.
79
What must the supervisor ensure regarding standby divers?
That a suitably equipped standby diver is ready at all times.
80
How does the supervisor manage changes to the dive plan?
By reassessing risks and ensuring changes are communicated and controlled.
81
What records is the Diving Supervisor responsible for maintaining?
Dive logs, times, depths, gas use, and any incidents or abnormalities.
82
What is the supervisor’s role in emergency response?
To take immediate control and implement emergency procedures.
83
What must the supervisor ensure regarding decompression procedures?
That they are correctly planned, followed, and recorded.
84
What responsibility does the supervisor have for diver fitness?
To ensure divers are medically fit and not impaired before diving.
85
What must the supervisor do if unsafe conditions arise?
Suspend or terminate the diving operation.
86
How does the supervisor manage simultaneous operations (SIMOPS)?
By coordinating controls to prevent conflicts and hazards.
87
What is the supervisor’s duty after an incident or near miss?
Ensure reporting, preservation of evidence, and cooperation with investigations.
88
What key IMCA principle guides all Diving Supervisor decisions?
Safety takes precedence over operational or commercial pressures.
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