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Elements and Performance Criteria

1. Plan and prepare for wet filling
   • Access, interpret and apply wet filling documentation, and ensure the work activity is compliant
   • Obtain, interpret, clarify and confirm work instructions
   • Select and wear appropriate personal protective equipment
   • Use approved dust suppression and extraction methods
   • Select, and check for faults, equipment/tools for the activity
   • Conduct equipment pre-start checks and start up procedures
   • Identify, address and report environmental issues, potential risks and hazards
   • Obtain and interpret emergency procedures, and be prepared for fire/accident/emergency
   • Inspect and assess site conditions and determine if scaling is required
   • Ensure work area is well ventilated before entry
2. Fill voids
   • Fill void in controlled manner according to characteristics of fill
3. Drain and monitor fill
   • Manage and monitor drainage system according to engineering specifications
   • Inspect bulkheads for faults, water flow and/or defects
   • Monitor and manage dimensions of fill using approved indicators
   • Process written and verbal records and reporting requirements
4. Plan and prepare for wet filling
   • Access, interpret and apply wet filling documentation, and ensure the work activity is compliant
   • Obtain, interpret, clarify and confirm work instructions
   • Select and wear appropriate personal protective equipment
   • Use approved dust suppression and extraction methods
   • Select, and check for faults, equipment/tools for the activity
   • Conduct equipment pre-start checks and start up procedures
   • Identify, address and report environmental issues, potential risks and hazards
   • Obtain and interpret emergency procedures, and be prepared for fire/accident/emergency
   • Inspect and assess site conditions and determine if scaling is required
   • Ensure work area is well ventilated before entry
   • Fill void in controlled manner according to characteristics of fill
5. Drain and monitor fill
   • Manage and monitor drainage system according to engineering specifications
   • Inspect bulkheads for faults, water flow and/or defects
   • Monitor and manage dimensions of fill using approved indicators
   • Process written and verbal records and reporting requirements

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 set installation including:

using appropriate dust suppression and extraction methods

works effectively with others to undertake and complete the conduct of wet filling activities that meets all of the required outcomes including:

communicating clearly and concisely with others to receive and clarify work instructions, and convey work progress

demonstrates completion of conducting of wet filling that safely, effectively and efficiently meets all of the required outcomes on more than one (1) occasion including:

conducting equipment pre-start checks and start up procedures

inspecting and assessing site conditions to determine if scaling is required

filling void in controlled manner according to characteristics of fill

inspecting bulk head for faults and defects

using at least two (2) of the following fill materials:

combination of wet and dry

paste

wet

monitoring the drainage system against engineering specifications

maintaining written and verbal reporting requirements and procedures

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Knowledge Evidence

The candidate must demonstrate knowledge in conducting wet filling activities through:

risk assessment and hazard management

assessing voids

filling voids

backfilling

identifying bulk heads and defects

handling and transporting hazardous substances

working safely underground

work, health and safety

accessing, interpreting and applying mine operational systems

being prepared for events for fire/accident/emergency

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