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Elements and Performance Criteria

1. Plan and prepare for the treatment and disposal of rejects and tailings
   • Access, interpret and apply treatment and disposal of rejects and tailings documentation and ensure the work activity is compliant
   • Access, interpret and clarify mineralogical data
   • Obtain, read , interpret and clarify work instructions
   • Inspect and prepare work area in coordination with others
   • Identify and acquire required materials, equipment and personnel
   • Identify, address and report environmental issues, potential hazards and risks
   • Select and wear personal protective equipment appropriate for work activities
   • Obtain and interpret emergency procedures, and be prepared for fire/accident/emergency
2. Carry out treatment and disposal
   • Communicate and coordinate activities with others at the site throughout the work activities
   • Carry out pre-start, start-up and shutdown procedures
   • Monitor and adjust the displacement or addition of water to maintain the disposal of rejects
   • Monitor and adjust the displacement or addition of additives to materials to maintain the treatment and disposal of tailings
   • Monitor and adjust the addition of settling and clarity agents to maintain density prior to disposal of tailing
   • Dispose of rejects and tailings
   • Act on or report monitoring systems and alarms
   • Continually monitor hazards and risks , and ensure safety of self, other personnel, plant and equipment
3. Carry out post-operational procedures
   • Inspect, fault find and report faults
   • Carry out operator maintenance, servicing and housekeeping tasks
   • Maintain process and pass on records and reports
4. Plan and prepare for the treatment and disposal of rejects and tailings
   • Access, interpret and apply treatment and disposal of rejects and tailings documentation and ensure the work activity is compliant
   • Access, interpret and clarify mineralogical data
   • Obtain, read , interpret and clarify work instructions
   • Inspect and prepare work area in coordination with others
   • Identify and acquire required materials, equipment and personnel
   • Identify, address and report environmental issues, potential hazards and risks
   • Select and wear personal protective equipment appropriate for work activities
   • Obtain and interpret emergency procedures, and be prepared for fire/accident/emergency
5. Carry out treatment and disposal
   • Communicate and coordinate activities with others at the site throughout the work activities
   • Carry out pre-start, start-up and shutdown procedures
   • Monitor and adjust the displacement or addition of water to maintain the disposal of rejects
   • Monitor and adjust the displacement or addition of additives to materials to maintain the treatment and disposal of tailings
   • Monitor and adjust the addition of settling and clarity agents to maintain density prior to disposal of tailing
   • Dispose of rejects and tailings
   • Act on or report monitoring systems and alarms
   • Continually monitor hazards and risks , and ensure safety of self, other personnel, plant and equipment
6. Carry out post-operational procedures
   • Inspect, fault find and report faults
   • Carry out operator maintenance, servicing and housekeeping tasks
   • Maintain process and pass on records and reports

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 the treatment and disposal of rejects and tailings including:

correctly interpreting and applying work instructions

selecting and using the required tools and equipment

working wearing appropriate personal protective equipment

accessing, interpreting and applying technical information

identifying and applying diagnostic techniques

identifying and applying chemical and fuel safety measures

disposal of environmentally sensitive fluids and materials

works effectively with others to undertake and complete the treatment and disposal of rejects and tailings that meet all of the required outcomes including:

using a range of communication techniques to convey information to others

maintaining written and verbal reporting requirements and procedures

demonstrates completion of the treatment and disposal of rejects and tailings that safely, effectively and efficiently meets all of the required outcomes on more than one (1) occasion including:

completing pre-start, start-up and shutdown operations

reading and interpreting mineralogical data

inspecting and preparing the work area, including

identification of hazards

selection and implementation of hazard control measures

monitoring and adjusting the displacement and addition of water

monitoring and adjusting additives to materials

monitoring and adjusting the addition of settling and clarity agents

inspecting, finding, recording and reporting faults

completing operator maintenance of tools and equipment

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Knowledge Evidence

The candidate must demonstrate knowledge in treating and disposing of rejects and tailings through:

identifying and complying with site operational, quality and communication requirements

identifying site product characteristics

accessing, interpreting and using site geological and survey data

identifying and applying plant pre-start, start-up, operating and shutdown techniques

identifying plant components functions, characteristics, technical capability and limitations

identifying and complying with plant isolation procedures

identifying and applying contaminant identification techniques

accessing, interpreting and applying site environmental requirements and constraints

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