RIINHB330Conduct down-hole hammer drilling

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What an assessment for RIINHB330 must cover

50 assessable components: 5 elements (33 performance criteria), 3 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 Plan and prepare for down-hole hammer drilling

  • 1.1Access, interpret and apply drilling documentation and ensure the work activity is compliant
  • 1.2Obtain, confirm, clarify, confirm and apply work instructions
  • 1.3Identify, manage and report verbally or in writing all potential hazards and risks
  • 1.4Resolve coordination requirements with others prior to commencing and during work activities
  • 1.5Select and wear correct personal protective equipment, tools and equipment to carry out tasks, check for serviceability and rectify or report any faults
  • 1.6Check restraining devices on all pressure hoses
  • 1.7Fit/replace restraining devices on pressure hoses
  • 1.8Raise alarm/report as required

2 Operate down hole hammer drill

  • 2.1Select appropriate rod type, thread form and drill string components for job
  • 2.2Measure and select appropriate bit for the job
  • 2.3Correctly collar hole
  • 2.4Use rod handling equipment safely and correctly
  • 2.5Add/break out and remove drill rods/pipes and down hole equipment
  • 2.6Weight/feed/rotate drill at right rate for optimum penetration
  • 2.7Adjust air pressure to achieve required hole clearance
  • 2.8Measure line string and calculate depth of hole

3 Use drilling fluids

  • 3.1Identify hole conditions, assess requirements of dust control fluids
  • 3.2Select suitable ingredients/fluids
  • 3.3Prepare/monitor the preparation of required fluids
  • 3.4Use dust control fluids to achieve required result

4 Maintain equipment

  • 4.1Monitor equipment wear
  • 4.2Check all equipment and hoses
  • 4.3Disassemble, inspect and reassemble down hole hammers
  • 4.4Replace/adjust and report damaged/worn parts
  • 4.5Undertake bit sharpening

5 Respond to problems

  • 5.1Monitor operation and chips/sample/air return
  • 5.2Identify possible problems in equipment or process
  • 5.3Clear blockages safely
  • 5.4Determine other problems and maintenance tasks needing action
  • 5.5Determine possible fault causes
  • 5.6Rectify problem using appropriate solution within area of responsibility
  • 5.7Follow through items initiated until final resolution has occurred
  • 5.8Verbally or in writing report problems outside area of responsibility to designated person

Performance evidence

  • locates and applies relevant legislation, documentation, policies and procedures
  • works effectively with others to undertake and complete conducting of down-hole hammer drilling that meets all of the required outcomes including: uses a range of communication techniques and strategies to communicate and coordinate information and activity to other; communicates the hazards of cuttings in the return air stream to all crew members
  • demonstrates completion of conducting down-hole hammer drilling that safely, effectively and efficiently meets all of the required outcomes on more than one (1) occasion including: correctly use the various rod/pipe handling equipment; correctly and competently add/remove rods/pipe from the string; correctly applies rotation speed and weight on the bit to maintain optimum performance; correctly measures line string components and calculate hole depth; correctly collars holes; ensure that samples are monitored for sample quality, correctly collected and handled; ensure that all string components are correctly maintained; disassembles, describes the function of components, inspect components, replace unserviceable parts and reassemble a DTH hammer; ensures that drill pipe is inspected regularly and wear rates monitored; ensure that threads are inspected and maintained; ensuring that bit sharpening equipment, used to sharpen TC bits are used correctly and safely and that bits are sharpened to correct tolerances

Knowledge evidence

  • the critical need to match like threads with like threads on all tubular components and make up torque requirements
  • the parameters relating to wear of drill pipe and integrity of threads
  • the function of hole collaring
  • the methods required to limit the contamination of samples
  • the theory behind TC bit sharpening
  • correct bit selection for different types of drilling and different ground conditions
  • identifying problems related to inaccurate measurement of bits and other related components
  • the importance of monitoring sample quantity
  • the role that blockages play in affecting sample quality
  • methods commonly used to clear down hole blockages in air drilled holes and the hazards associated with clearing blockages
  • methods used to clear a blockage in a sample delivery hose and the hazards associated with clearing blockages
  • the critical need for restraining devices to be fitted to all pressure delivery hoses and sample delivery hoses, the devices available and their methods of attachment
  • dangers of drilled samples being returned to the surface at high velocity in air drilling operations and the parameters involved
  • the importance of checking gauges and monitoring pressures, flow rates and temperatures.

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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Questions about assessing RIINHB330

What does an assessment tool for RIINHB330 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for RIINHB330 needs to address all 50 unit components: 5 elements with 33 performance criteria, 3 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 RIINHB330?

Auditori pulls the current release of RIINHB330 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 RIINHB330 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing RIINHB330 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 RIINHB330, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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