RIINHB315D — Conduct top-hole hammer drilling

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What an assessment for RIINHB315D must cover

95 assessable components: 5 elements (41 performance criteria), 34 performance evidence and 20 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 top-hole hammer drilling

1.1Access, interpret and apply top-hole drilling documentation and ensure the work activity is compliant
1.2Obtain, read, interpret, clarify and confirm work requirements
1.3Identify and address potential risks, hazards and environmental issues and implement control measures
1.4Select and wear personal protective equipment appropriate for work activities
1.5Communicate and coordinate activities with others throughout the work activity
1.6Select, and check for faults, tools and equipment to carry out tasks
1.7Check restraining devices on all pressure hoses
1.8Fit/replace restraining devices on pressure hoses as required
1.9Obtain and interpret emergency procedures, and be prepared for fire/accident/emergency

2 Operate top hole hammer drill

2.1Carry out pre-start and start up procedures
2.2Identify, select and apply rig operational controls
2.3Select appropriate rod type, thread form and drill string components for job
2.4Measure and select appropriate bit for the job
2.5Collar hole
2.6Use rod handling equipment safely and correctly
2.7Add/break out and remove drill rods/pipes and top hole equipment
2.8Adjust/feed/rotate drill at right rate for optimum penetration
2.9Adjust impact pressure and rate to match ground conditions
2.10Adjust air pressure to achieve required hole clearance
2.11Measure line string and calculate depth of hole

3 Use drilling fluids as required

3.1Identify hole conditions requiring the use 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 Respond to problems

4.1Monitor operation and chips/sample/air return
4.2Identify possible problems in equipment or process
4.3Clear blockages
4.4Determine other problems and maintenance tasks needing action
4.5Determine possible fault causes
4.6Rectify problem using appropriate solution within area of responsibility
4.7Follow through items initiated until final resolution has occurred
4.8Report problems outside area of responsibility to designated person

5 Complete equipment maintenance and housekeeping

5.1Carry out shutdown procedures and secure equipment
5.2Monitor wear
5.3Check all equipment and hoses
5.4Replace shanks as required
5.5Replace/adjust and report damaged/worn parts as required
5.6Undertake bit sharpening as required
5.7Grease drifter as required
5.8Ensure housekeeping activities are completed
5.9Process records

Performance evidence

locates and applies relevant documentation, policies and procedures
implements the requirements, procedures and techniques for the safe, effective and efficient completion of top-hole hammer drilling including:
identifying various thread types on the equipment at site and the application of prescribed torque
identifying worn drill pipe and damaged threads
identifying and measuring various bits in use
using the various rod/pipe handling equipment on site
correctly and competently add/remove rods/pipe from the string
applying rotation speed and weight on the bit to maintain optimum performance
measuring line string components and calculating hole depth
applying the correct combination of hydraulic oil flow volume and pressure to maintain productivity
establishing collar hole
ensuring that samples are correctly collected and handled
ensuring that all string components are correctly maintained
measuring bits and related components to ensure compatibility
ensuring that bit sharpening equipment, used to sharpen TC bits are used correctly and safely and that bits are sharpened to correct tolerances
selecting various bit types for differing ground conditions
monitoring sample quality and correctly interpret changes
using prescribed techniques to safely clear sample delivery hose blockages
accepting responsibility for the correct installation and maintenance of restraining devices to pressure and sample delivery hoses
communicating the hazards of cuttings in the return air stream to all crew members
ensuring that drill pipe is inspected regularly and wear rates monitored
ensuring that threads are inspected and maintained as required
works effectively with others to undertake and complete the conduct of top-hole hammer drilling that meets all of the required outcomes including:
complying with written and verbal reporting requirements and procedures
communicating clearly and concisely with others to receive and clarify work instructions
communicating clearly and concisely with others to resolve coordination requirements prior to commencing and during work activities
demonstrates completion of the conduction of top-hole hammer drilling that safely, effectively and efficiently meets all of the required outcomes on more than one (1) occasion including:
selecting appropriate rod type, thread form and drill string components for job
measuring and selecting appropriate bit for the job
add/break out and remove drill rods/pipes and top hole equipment
adjusting/feeding/rotating drill at right rate for optimum penetration
adjusting impact pressure and rate to match ground conditions
measuring line string and calculating depth of hole
preparing/monitoring the preparation of required fluids

Knowledge evidence

accessing, interpreting and applying the organisation and site requirements and procedures for:
work, health and safety
environmental issues
operating drill rig
housekeeping
critical need to match like threads with like threads on all tubular components and make up torque requirements
parameters relating to wear of drill pipe and integrity of threads
function of hole collaring
methods required to limit the contamination of samples
theory behind TC bit sharpening
bit selection for different types of drilling and different ground conditions
problems related to inaccurate measurement of bits and other related components
importance of monitoring sample quantity
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
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
importance of checking gauges and monitoring pressures, flow rates and temperatures
being prepared for fire/accident/emergency

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 RIINHB315D

What does an assessment tool for RIINHB315D need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for RIINHB315D needs to address all 95 unit components: 5 elements with 41 performance criteria, 34 performance evidence requirements, 20 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 RIINHB315D?

Auditori pulls the current release of RIINHB315D 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 RIINHB315D — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing RIINHB315D 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 RIINHB315D, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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