4426 version 2
28-Jun-16
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DIVING - OCCUPATIONAL
Operate a compression chamber
level:
5
credit:
5
planned review date:
June 2002
sub-field:
Diving
purpose:
People credited with this unit standard are able to operate a
chamber, and use surface decompression.
entry information:
Prerequisites: Unit 4421, Use a chamber for recompression
treatment for divers, Unit 6401, Provide first aid and Unit
6402, Provide resuscitation level 2, or demonstrate
equivalent skills and knowledge; and hold a current Medical
Clearance to dive and occupational-specific certificate of
competence.
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.
 New Zealand Qualifications Authority 2016
4426 version 2
28-Jun-16
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DIVING - OCCUPATIONAL
Operate a compression chamber
special notes:
1
Industry criteria refer to diving practice complying with
the requirements of the Health and Safety in
Employment Act 1992 and subsequent regulations
relating to Occupational Diving; and comply with the
theory and practice requirements of the British Health
and Safety Executive (HSE) 1990 to ensure the
international standard is maintained. All practice also
complies with Accident Rehabilitation & Compensation
Insurance Corporation and Occupational Safety and
Health (OSH) guidelines.
2
BIBS stands for Built In Breathing Systems.
Elements and Performance Criteria
element 1
Operate a chamber to industry criteria.
performance criteria
1.1
A pre-determined schedule of time and/or depth is followed to pressurise
and/or depressurise a chamber.
1.2
Depth is maintained during chamber flushing.
1.3
Equipment is passed into and/or out of the chamber using the medical lock.
1.4
BIBS is operated to industry technical and safety criteria.
 New Zealand Qualifications Authority 2016
4426 version 2
28-Jun-16
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DIVING - OCCUPATIONAL
Operate a compression chamber
1.5
Recording of chamber use monitors time and depth.
element 2
Use surface decompression.
performance criteria
2.1
A pre-determined rate is followed during surfacing to industry criteria.
2.2
Assistance given to diver leaving the water meets industry criteria.
2.3
Chamber approach meets industry criteria.
2.4
Undressing procedures comply with industry criteria.
2.5
Chamber procedures comply with industry criteria.
Range:
pressure equalisation between entry and main lock, transfer
through to main lock, close door.
 New Zealand Qualifications Authority 2016
4426 version 2
28-Jun-16
4 of 4
DIVING - OCCUPATIONAL
Operate a compression chamber
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