8591 version 2
11-Dec-96
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DIVING - OCCUPATIONAL
Supervise surface supplied diving
operations using mixed gas
level:
7
credit:
20
planned review date:
June 2002
sub-field:
Diving
purpose:
People credited with this unit standard are able to: plan the
mixed gas dive operation; demonstrate supervising skills;
apply technical knowledge to supervise the mixed gas dive
operation; supervise first aid requirements of operation;
respond to emergency situations; and supervise post dive
procedures.
entry information:
Prerequisite: Unit 8590, Supervise surface supply diving
operations using compressed air, or demonstrate equivalent
knowledge and skills.
accreditation option:
Evaluation of documentation and visit by NZQA and industry.
moderation option:
A centrally established and directed national moderation
system has been set up by the Dive Industry Training
Organisation.
special notes:
1
Industry technical and safety criteria refer to the training
manuals and/or codes of practice of the training
agencies approved by the Dive Industry Training
Organisation.
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operations using mixed gas
2
All workplace diving practice must comply with the
requirements of the Health and Safety in Employment
Act, 1992 (HSE) and subsequent regulations relating to
Occupational Diving. All practice must also comply with
Accident Rehabilitation and Compensation Insurance
Act, 1992 (ARCI) and Occupational Safety and Health
(OSH) guidelines.
3
A list of national and international regulations to be
adhered to in offshore dive operations is available from
the
Dive
Industry
Training
Organisation
19 Argyle Avenue, Palmerston North.
4
A list of the current regulations relating to first aid
training for supervisors of mixed gas diving operations
is available from the Dive Industry Training
Organisation 19 Argyle Avenue, Palmerston North.
Elements and Performance Criteria
element 1
Plan the mixed gas dive operation.
performance criteria
1.1
Analysis of operation proposal identifies objectives.
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11-Dec-96
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DIVING - OCCUPATIONAL
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operations using mixed gas
1.2
Pre-dive and post-dive check lists prepared match the operation and equipment
used.
1.3
Team size, personnel, equipment, and procedures to be used match the
particular job, and meet regulatory requirements.
1.4
Prepared dive plan meets industry technical and safety criteria.
1.5
Briefing ensures that all personnel involved are conversant with the proposed
dive plan.
element 2
Demonstrate supervising skills.
performance criteria
2.1
Supervision ensures that check lists are used for all parts of dive operation and
all equipment used.
2.2
Communication with members of the dive team and others concerned directly
or indirectly with the operation is clear and readily understood.
2.3
Dive operation decisions made facilitate safety and health of members of the
dive team.
2.4
Personnel placement and management facilitate smooth running of dive
operation.
2.5
Direct control is maintained at all times throughout operation.
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operations using mixed gas
2.6
Record keeping is thorough and meets industry technical and safety criteria.
2.7
Variations from dive plan are justified in terms of conditions and nature of
operation, and remain within industry technical and safety criteria.
element 3
Apply technical knowledge to supervise the mixed gas dive operation.
performance criteria
3.1
Analysis of dive environment identifies and instigates preventative or corrective
actions to minimise potential effects of hazards.
3.2
All facets of dive operation adhere to company codes of practice, national
regulations, and industry guidelines.
3.3
Knowledge of compression chambers, ancillary equipment, and bell mating
trunking allows the supervision of the operation and control of equipment.
3.4
Monitoring of composition and use of breathing gas mixtures is continuous.
3.5
Use and calibration of basic O2 and CO2 analysers observe operating
principles.
3.6
Knowledge of primary and back-up bell recovery systems meets industry
technical and safety criteria.
3.7
Knowledge of problems, additional checks, and precautions associated with
Dynamically Positioned vessels facilitates supervision from such vessels.
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operations using mixed gas
element 4
Supervise first aid requirements of operation.
performance criteria
4.1
Familiarity with all the symptoms of decompression sickness and other
pressure related ailments allows therapeutic treatments to be initiated.
4.2
Knowledge of pressure related ailments ensures communication with diving
doctors.
4.3
Advice given by diving doctor is assessed in relation to the circumstances of the
situation requiring first aid intervention.
4.4
Incidents requiring first aid treatment are managed to industry technical and
safety criteria.
element 5
Respond to emergency situations.
performance criteria
5.1
Emergency procedures are instigated in the event of emergency.
5.2
Evacuation of dive site is initiated where required, and ensures the safe transfer
of the personnel team.
5.3
Knowledge of emergency support organisations and contact procedures
facilitates calls for assistance.
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operations using mixed gas
5.4
Knowledge of diver evacuation methods facilitates evacuation of divers in a
portable recompression chamber to a static therapeutic chamber.
5.5
Instigation of emergency procedures meets industry technical and safety
criteria.
element 6
Supervise post dive procedures.
performance criteria
6.1
De-briefing of divers meets industry technical and safety criteria.
6.2
Operation evaluation addresses all aspects of operation.
Range:
status of objectives, performance of personnel, emergencies,
hazards, equipment management, time, safety procedures.
6.3
Supervision ensures that equipment is maintained, cleaned, and stored to
industry technical and safety criteria.
6.4
Post dive procedures meet industry technical and safety criteria.
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11-Dec-96
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DIVING - OCCUPATIONAL
Supervise surface supplied diving
operations using mixed gas
Comments to:
Dive Industry Training Organisation
Unit Standard Revision
PO Box 160
WELLINGTON
by June 2002.
Please Note:
Providers must be accredited by the Qualifications Authority
before they can offer programmes of education and training
assessed against unit standards.
Accredited providers assessing against unit standards must
engage with the moderation system that applies to those unit
standards. [Please refer to relevant Plan ref: 0180]
 New Zealand Qualifications Authority 2016