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DEFWDV027 — Employ air-lift devices under water

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What an assessment for DEFWDV027 must cover

37 assessable components: 3 elements (11 performance criteria), 12 performance evidence and 14 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Prepare for underwater air-lift operation

  • 1.1Identify and analyse load metrics and worksite data to determine specific requirements for air-lift bags
  • 1.2Develop a work plan consistent with dive plan
  • 1.3Select, inspect and prepare air-lift bags in accordance with manufacturer specifications and safe weight limits
  • 1.4Secure air-lift bags to/from dive site
  • 1.5Assess obstructions and other underwater hazards to determine risks and manage risk control measures in accordance with dive plan

2 Operate air-lift devices

  • 2.1Determine a safe work area, confirm location of other divers and nearby vessels and structures prior to commencing and during air-lift operation, in accordance with work plan
  • 2.2Secure air-lift bags to object’s lift points
  • 2.3Inflate air-lift bags in accordance with manufacturer specifications and work plan
  • 2.4Control buoyancy and movement in accordance with work plan

3 Complete air-lift operations

  • 3.1Minimise environmental impact arising from work task and recover any waste products
  • 3.2Carry out air-lift bag post-dive equipment serviceability checks in accordance with manufacturer specifications, report defects, as required, and stow in accordance with organisational requirements

Performance evidence

  • applying centre of gravity of lifted object
  • applying relevant legislation, standards and organisational policies and procedures
  • applying SCUBA, surfaced-supplied and/or CCBA operating techniques
  • applying underwater risk control measures and work plan requirements
  • controlling neutrally buoyant objects
  • coordinating with other operators during lift
  • demonstrating air-lift operations with manually inflated air bags, including:  1 x lateral lift  1 x vertical lift to surface
  • determining hydrodynamics of object as it is raised through the water
  • developing underwater air-lift work plan
  • maintaining records according to organisational policies and procedures
  • rigging and de-rigging air-lift equipment
  • wearing of self-contained underwater breathing apparatus (SCUBA), surface-supplied and/or closed-circuit breathing apparatus (CCBA)

Knowledge evidence

  • calculations to determination hydrodynamics, centre of gravity and mass of submerged objects
  • characteristics and employment of air-lift bags
  • dive equipment
  • dive physics
  • dive physiology and medicine, including:  compression illnesses  decompression illnesses  heat and cold illnesses
  • diving descent and ascent techniques
  • general diving safety awareness, including:  diving in harbours  diving in tidal waters, currents and tides  diving on and/or near a ship’s bottom  entrapment/foul lines  lost/separated  marine animal threats  pollution/weeds  working in confined spaces
  • oceanography
  • organisational policies and procedures
  • relevant dive equipment
  • relevant legislation
  • relevant manufacturer specifications
  • relevant marine workplace hazards
  • SCUBA, surface-supplied and/or CCBA operating techniques

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing DEFWDV027

What does an assessment tool for DEFWDV027 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for DEFWDV027 needs to address all 37 unit components: 3 elements with 11 performance criteria, 12 performance evidence requirements, 14 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for DEFWDV027?

Auditori pulls the current release of DEFWDV027 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for DEFWDV027 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing DEFWDV027 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of DEFWDV027, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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