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Elements and Performance Criteria

1. Prepare for underground drilling
   • Obtain, interpret, confirm and clarify shift change over details
   • Access, interpret and apply underground development drilling documentation and confirm work activity is compliant
   • Select and wear personal protective equipment according to legislative and site requirements
   • Inspect and assess site conditions, determine if scaling is required and respond according to site requirements
   • Conduct equipment pre-start checks according to manufacturer specifications and site requirements
   • Confirm work area ventilation according to site requirements
   • Check work site and identify and control potential misfires according to site requirements
2. Drill and monitor progress
   • Identify, control and report hazards and potential risks according to site requirements
   • Apply dust suppression and extraction methods according to site requirements
   • Carry out prestart and startup procedures according to manufacturer specifications and site requirements
   • Drill holes and realign equipment according to manufacturer specifications, drill plan and site requirements
   • Monitor drilling operations and site conditions and adjust operations as required according to manufacturer specifications and site requirements
   • Remove drill cuttings and sludge
   • Mark misdirected drill holes according to site requirements
   • Install collar pipes/lifters according to job and site requirements
   • Carry out shutdown procedures according to manufacturer specifications and site requirements
3. Carry out operator maintenance and housekeeping
   • Clear site and remove auxiliary equipment and services according to site requirements
   • Service and make minor adjustments to equipment according to manufacturer specifications and site requirements
   • Inspect and clean equipment and reports faults according to manufacturer specifications and site requirements
   • Complete documentation according to site requirements
   • Pass on end of shift information to oncoming shift according to site requirements

Performance Evidence

The candidate must demonstrate the ability to complete the tasks outlined in the elements, performance criteria and foundation skills of this unit, including evidence of the ability to:

conduct underground development drilling on at least two occasions, including:

planning and preparing for drilling

drilling and monitoring progress

packing-up drill site

carrying out operator maintenance and housekeeping activities.

During the above, the candidate must:

locate and apply relevant documentation and procedures and confirm work activity is compliant

work effectively with others to conduct underground development drilling in a manner that meets required outcomes, including:

organising work activities to meet task requirements

communicating clearly and concisely with others to receive and pass on changing of shift information.

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Knowledge Evidence

The candidate must be able to demonstrate knowledge to complete the tasks outlined in the elements, performance criteria and foundation skills of this unit, including knowledge of:

key legislation required to conduct underground development drilling

key procedures and documentation required to conduct underground development drilling, including:

auxiliary services procedures

drilling plan

drill system manufacturer specifications

equipment safety requirements

techniques for interpreting and applying basic geological and technical data

techniques for dust suppression and extraction

characteristics, technical capabilities and limitations of drill rigs, accessories and associated equipment, including:

prestart, startup and shutdown procedures

collar pipe and lifter installation procedures

routine operator service, maintenance and housekeeping procedures

principles and techniques for identifying and responding to relevant hazards and emergencies

techniques for coordinating job activities with others.

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