Google Links

Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

1. Plan and prepare for reaming
   • Access, interpret and apply reaming documentation, and ensure the work activity is compliant
   • Obtain, read, interpret, clarify and confirm work requirements
   • Identify and address potential risks, hazards and environmental issues and implement control measures
   • Select and wear appropriate personal protective equipment and appropriate for work activities
   • Communicate and coordinate activities with others throughout the work activity
   • Obtain and interpret emergency procedures, and be prepared for fire/accident/emergency
2. Complete back reaming/ reaming
   • Select appropriate reaming tool(s)
   • Carry out pre-start and start up procedures
   • Lock out machine
   • Remove drill head
   • Connect appropriate reamer
   • Check all safety precautions are in place and restart machine
   • Reaming/back ream, adding/removing drill stem sections
   • Monitor and interpret all gauge/dial readings
   • Monitor and interpret drill fluid flow from both ends of hole
   • Maintain communication with all relevant personnel
   • Maintain drill log and reports as required
3. Maintain equipment
   • Carry out shutdown and secure equipment
   • Monitor wear on drill stem, particularly threads
   • Dress damaged threads or replace drill stem as required
   • Check all equipment and hoses
   • Monitor wear on reamers and take required action
   • Clean all equipment on completion of reaming, ensuring environmental controls are followed
   • Rotate drill stems in stack
   • Ensure drill fluid is appropriately contained/disposed of
   • Keep site safe for all possible users for the total duration of the job
   • Leave site in a safe and tidy condition which complies with all relevant regulations
4. Diagnose and respond to problems
   • Identify possible problems in equipment or process
   • Determine problems needing action
   • Determine possible fault causes
   • Rectify problem using appropriate solution within area of responsibility
   • Follow through items initiated until final resolution has occurred
   • Report problems outside area of responsibility to designated person

Performance Evidence

Evidence is required to be collected that demonstrates a candidate’s competency in this unit. Evidence must be relevant to the roles within this sector’s work operations and satisfy all of the requirements of the performance criteria of this unit and include evidence that the candidate:

locates and applies relevant documentation, policies and procedures

implements the requirements, procedures and techniques for the safe, effective and efficient completion of reaming including:

interpreting reaming data and determining an appropriate course of action

operating machine

operating ancillary equipment

attaching the reamer

using thread gauge and dressing slightly damaged drill stem threads

lubricating threads and other components

inspecting and cleaning equipment and checking for wear and tear

disassembling, cleaning, inspecting and reassembling reaming heads

works effectively with others to undertake and complete the conduct of reaming 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 reaming that safely, effectively and efficiently meets all of the required outcomes on more than one (1) occasion including:

selecting appropriate reaming tool(s)

connecting appropriate reamer

reaming/back reaming, adding/removing drill stem sections

monitoring and interpreting all gauge/dial readings

monitoring and interpreting drill fluid flow from both ends of hole

maintaining drill log and reports

---

Knowledge Evidence

The candidate must demonstrate knowledge in conducting reaming through:

accessing, interpreting and applying the legislative, organisation and site requirements and procedures for:

work, health and safety

environmental issues

operating drill rig

housekeeping

identifying equipment characteristics, technical capabilities and limitations

identifying basic rock/geology types and their impact on HDD operations, including hard rock and scree

identifying the appropriate reamers for different geology types

understanding the principles of HDD

using the correct types of drill fluid, their uses and make up/adjustment procedures

---