21351 version 2
Page 1 of 4
Plan and carry out a dive to recover mortalities using airlifts in sea
cages on a marine farm
Level
4
Credits
5
Purpose
People credited with this unit standard are able to plan and carry out a dive to
recover Morts using air lifts in sea cages on a marine farm, and complete
recording and reporting requirements for the dive.
Subfield
Seafood
Domain
Aquaculture Diving
Status
Registered
Status date
20 November 2009
Date version published
20 November 2009
Planned review date
31 December 2014
Entry information
Prerequisites: Unit 4387, Perform diver rescues or PADI
Rescue Diver qualification; Unit 4385, Navigate
prescribed routes underwater; Unit 4388, Complete a
night dive; Unit 4393, Complete underwater search and
recovery dives; Unit 4398, Complete deep dives to
between 18 and 40 metres, and perform tasks; and Unit
21344, Explain health and safety legislation and the
application of best practice to aquaculture diving; or
demonstrate equivalent knowledge and skills.
Accreditation
Evaluation of documentation and visit by NZQA and
industry.
Standard setting body (SSB)
Primary Industry Training Organisation
Accreditation and Moderation Action Plan (AMAP) reference
0123
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
 New Zealand Qualifications Authority 2016
21351 version 2
Page 2 of 4
Special notes
1
Industry technical requirements and safety criteria are contained within the New
Zealand Aquaculture Industry Diving Best Practice Guidelines 2004, available from
Aquaculture New Zealand, Level 1, Wakatu House, Montgomery Square, Nelson
7010 (http://www.aquaculture.org.nz). This is referred to as the Diving Best Practice
Guidelines in this unit standard.
2
The assessment of element two must be carried out in underwater visibility conditions
that are common for aquaculture industry diving.
3
Definitions
Company requirements refer to instructions to staff on policy and procedures that are
communicated in an oral or written form. These must include the requirements of the
Diving Best Practice Guidelines.
Legislation includes but is not limited to – the occupational diving related aspects of
the Health and Safety in Employment Act 1992.
Mortalities are referred to as Morts in this unit standard, as it is the commonly used
industry term. Morts are fish that have died prior to harvesting while in the holding
facility.
PADI refers to the Professional Association of Diving Instructors.
Elements and performance criteria
Element 1
Plan a dive to recover Morts using air lifts in sea cages on a marine farm.
Performance criteria
1.1
The reasons for planning a dive to recover Morts using air lifts in sea cages are
explained in accordance with company requirements and safety criteria.
Range
1.2
safety focus of divers, legislation.
Potential hazards associated with the recovery of Morts using air lifts in sea
cages and the remedial actions are explained.
Range
hazards may include but are not limited to – environmental
hazards, marine organisms, limited visibility, disorientation, current
strength, entanglement, strenuous activity;
evidence of four hazards is required;
remedial actions include action taken to eliminate, isolate or
minimise the hazard, such as – decision not to dive, decision not
to recover object, access to safety equipment, communication
plan, use of diver location device, emergency plan.
 New Zealand Qualifications Authority 2016
21351 version 2
Page 3 of 4
1.3
The dive plan to recover Morts using air lifts is completed in accordance with
company requirements and safety criteria.
Range
includes but is not limited to – fitness and capability of the dive
team, personnel numbers, surface conditions, diving platform and
vantage points, in-water conditions, depth, equipment, bottom
topography, communication signals, airlift procedure.
Element 2
Carry out a dive to recover Morts using air lifts in a sea cage on a marine farm.
Performance criteria
2.1
A pre-dive check is demonstrated in accordance with company requirements
and safety criteria.
2.2
The procedure for in-water disentanglement of a diver is explained in
accordance with company requirements.
Range
self, another diver.
2.3
The Morts are positioned at the bottom of airlift pipe during the dive.
2.4
The airlift of the Morts is completed in accordance with the dive plan and
company requirements.
Range
2.5
position of airlift, position of diver, signal to begin and end lift,
removal of Morts.
Communication signals are given, received, and responded to as agreed in the
dive plan.
Element 3
Complete recording and reporting requirements for the dive.
Performance criteria
3.1
Recording and reporting requirements are completed in accordance with OSH
and company requirements.
Range
includes but is not limited to – personal logbook, company
logbook, reporting schedule.
Please note
Providers must be accredited by NZQA, or an inter-institutional body with delegated
authority for quality assurance, before they can report credits from assessment against
unit standards or deliver courses of study leading to that assessment.
 New Zealand Qualifications Authority 2016
21351 version 2
Page 4 of 4
Industry Training Organisations must be accredited by NZQA before they can register
credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit standards
must engage with the moderation system that applies to those standards.
Accreditation requirements and an outline of the moderation system that applies to this
standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP also includes useful information about special requirements for organisations
wishing to develop education and training programmes, such as minimum qualifications for
tutors and assessors, and special resource requirements.
Comments on this unit standard
Please contact the Primary Industry Training Organisation standards@primaryito.ac.nz if
you wish to suggest changes to the content of this unit standard.
 New Zealand Qualifications Authority 2016