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Elements and Performance Criteria

1. Plan and prepare for the application and monitoring of the inrush management plan
   • Access, interpret and apply inrush management plan documentation, and ensure the work activity is compliant
   • Identify, clarify and communicate roles and responsibilities
   • Communicate and explain work group individual responsibilities and tasks in an effective and timely manner
   • Identify, obtain and allocate resources required for the application of the inrush management plan
   • Identify individual training needs and prepare training plans
2. Apply and monitor inrush activities
   • Identify, interpret and apply inrush monitoring, recording and reporting procedures
   • Interpret, apply and monitor control measures which impact on inrush control zones and methods
   • Interpret, apply and monitor actions and procedures in response to potential inrush
   • Confirm, apply, communicate and post permit-to-mine procedures
   • Apply and monitor procedures covering inrush personnel safety measures and techniques
   • Inspect equipment protection/defensive requirements and measures
   • Participate in systems audit and review requirements
   • Implement training plans
3. Apply inrush prevention system maintenance procedures
   • Carry out inspections, repair and maintenance activities
   • Record, report and review maintenance activities
4. Plan and prepare for the application and monitoring of the inrush management plan
   • Access, interpret and apply inrush management plan documentation, and ensure the work activity is compliant
   • Identify, clarify and communicate roles and responsibilities
   • Communicate and explain work group individual responsibilities and tasks in an effective and timely manner
   • Identify, obtain and allocate resources required for the application of the inrush management plan
   • Identify individual training needs and prepare training plans
5. Apply and monitor inrush activities
   • Identify, interpret and apply inrush monitoring, recording and reporting procedures
   • Interpret, apply and monitor control measures which impact on inrush control zones and methods
   • Interpret, apply and monitor actions and procedures in response to potential inrush
   • Confirm, apply, communicate and post permit-to-mine procedures
   • Apply and monitor procedures covering inrush personnel safety measures and techniques
   • Inspect equipment protection/defensive requirements and measures
   • Participate in systems audit and review requirements
   • Implement training plans
6. Apply inrush prevention system maintenance procedures
   • Carry out inspections, repair and maintenance activities
   • Record, report and review maintenance activities

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 legislation, documentation, policies and procedures

implements the requirements, procedures and techniques for the safe, effective and efficient completion of inrush management plan application and monitoring including:

reading, interpreting, communicating and applying technical information

operating hand held monitoring equipment

accessing and interpreting data from monitoring systems and equipment

accessing and interpreting design criteria for inrush prevention/management systems and devices

interpreting computer spreadsheets and inrush modeling/ simulations

accessing and interpreting archival and historical inrush information related to the mine

conducting enquiries/investigations and preparing audit reports

identifying training needs, and preparing and implementing training plans

works effectively with others to plan, prepare and conduct the application and monitoring of the inrush management plan that meets all of the required outcomes including:

organising work activities to meet all task requirements

communicating clearly and concisely with others to receive and clarify work instructions

complying with written and verbal reporting requirements and procedures

resolving coordination requirements throughout work activities

demonstrates completion of applying and monitoring the inrush management plan that safely, effectively and efficiently meets all of the required outcomes on more than one (1) occasion including:

applying inrush controls such as:

controls that eliminate the hazard by removing the damaging energy, e.g. drainage including pumping and ventilation

controls that reduce the magnitude of the hazard (less water, less pressure etc), e.g. drainage, including pumping and ventilation

controls that reduce the likelihood of the event through engineering or hard barriers, e.g. seals

controls that reduce the likelihood of the event through procedural or soft barriers, e.g. establishment of inrush control zones, protective drilling

controls that reduce the likelihood of the event through warnings, e.g. action levels associated with increased water make

applying monitoring systems such as:

continuous and/or periodic monitoring

portable (hand held) monitoring

core samples

visual observation

geological mapping

borehole pressure readings

identifying and controlling inrush hazards such as:

continuous and/or periodic monitoring

portable (hand held) monitoring

core samples

visual observation

geological mapping

borehole pressure readings

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Knowledge Evidence

The candidate must demonstrate knowledge of applying and monitoring the inrush management plan through:

accessing, interpreting and applying legislative, organization and site requirements and procedures for:

planning and design of mines and mining structures including: mine plans, ventilation, gas monitoring, strata support and safety management plans

developing the requirements and processes of the inrush management plan

applying risk assessment and management processes

identifying and managing environmental issues, hazards and risks

conducting audit and review processes and techniques

identifying the systems of mining including:

tunnels, drifts, stone drivage, shaft sinking, pillar extraction, partial extraction, punch mining and fault drivage

identifying systems of work including: bord and pillar, place changing, longwall, highwall, auger mining, pillar extension, partial extension and punch mining

identifying factors affecting stability of mining structures including:

stress analysis: including mining induced stress and topography

sedimentology: including subsidence, water bearing strata, permeability of seam and strata, hydrology, hydrogeology, physical property testing, caving characteristics, over and underlying strata

mining structure failure modes

identifying mining and general engineering principles relevant to the behaviour of excavations in rock including:

ground support systems

audit methodologies

geotechnical engineering

excavation engineering

tunnel engineering and shaft sinking

rock mechanics

mine surveying

mining of coal deposits

thermodynamics

identifying the impact of differing geological features and conditions of potential inrush including:

the effects of coal seam characteristics on inrushes

faults, dykes, intrusions and strata deformities

identifying and using monitoring systems and techniques including:

fixed monitoring systems: types, uses / limitations, design criteria, specifications and design processes

portable monitoring equipment: types, uses/limitations

processes and techniques for determining alarms and trigger points/levels

methods of control of inrush

inrush control zones

identifying and applying emergency response and evacuation/disaster planning processes and techniques

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