RIIMCU404E — Apply and monitor the gas drainage management plan

Elements & performance criteria

Performance evidence

• locates and applies relevant legislation, documentation, policies and procedures
• implements the requirements, procedures and techniques for the safe, effective and efficient completion of gas drainage management plan application and monitoring including: operating hand held monitoring equipment; accessing, interpreting and applying relevant gas drainage data; interpreting geological reports; conducting audit and review processes and techniques; accessing, interpreting and applying technical information related to gas drainage; interpreting geological reports; briefings and handover details; identifying training needs, and preparing and implementing training plans; assessing the risks and consequences of gas drainage
• works effectively with others to plan, prepare and conduct the application and monitoring of the gas drainage 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 gas drainage management plan that safely, effectively and efficiently meets all of the required outcomes on more than one (1) occasion including: application of gas drainage procedures such as: gas drainage drilling program; gas or geological anomaly detection; mine atmosphere monitoring; stimulation techniques; goaf walls; reporting requirements; auditing; ventilation systems and usage; mine plan; action plans; systems of mining; response plans; emergency procedures; individual and group responsibilities; training and education procedures; application of gas drainage monitoring such as: continuous monitoring; leakage monitoring (laser beam technology); portable (hand held); monitoring; collection of bag samples; pipeflow and pressure measurements; gas chromatography; ventilation measurements from relevant areas; applying gas drainage management training to: mine workers; trades persons; permanent employees; contractors; mine officials; other special requirements

Knowledge evidence

• legislative, organisation and site requirements and procedures for: gas drainage drilling; gas drainage installation; ventilation requirements; return airways gas levels; intake airway gas accumulated levels; gas control and distribution; environmental monitoring and management; local government and mine site inspection and reporting
• the methods of gas drainage and their applications/limitations against the mine design, mine and panel ventilation systems, systems of mining current and future mine development
• the impact of gas drainage on mining techniques, mine and panel design and production output
• the impact of the strata geology, strata control systems and coal seam characteristics on the gas drainage management plan, including: coal seam gradient; moisture content; friability; the porous features of the coal seam; stresses and intrusions; mining monitoring procedures
• identifying drilling options and related equipment and techniques, including: impacts of intersecting holes and hole design
• components/factors to be considered in the gas drainage management plan including: the effects of the type and quantity of gas in the coal seam; the impacts of accumulation of coal dust after gas drainage has been completed; pressure changes: causes, the impacts on the ventilation system, and the effects on gas drainage; heat/humidity: the sources and factors which may impact on gas drainage and personnel; underground water management principles and systems
• equipment, monitoring systems and techniques including: mine fans: fan laws, fan types, performance characteristics, configurations, applications and limitations in association with the gas drainage management plan; mine and goaf ventilation systems, and ventilation control devices: the types, purposes, design criteria and specifications, distribution/placement criteria and limitations; de-gassing: methods of control – including brattice, auxiliary fans, compressed air venturis, sails, hurdles and bleeders; fixed gas drainage monitoring systems: types, characteristics, uses and limitations; portable monitoring equipment for gas drainage purposes: types, characteristics, uses and limitations; gas drainage surveys: the types, frequency and method for conducting including pressure/quantity/temperature and gas
• gas drainage computer modelling and simulation techniques: functions, capabilities, advantages, and limitations for mine environment analysis
• ventilation theory, including: gas laws including Charles and Boyle; natural ventilation pressures; gas make; leakage; Kirchhoff’s Law
• hazard management processes and techniques
• processes and techniques for determining alarms and trigger points/levels
• emergency response and evacuation/disaster planning processes and techniques

Foundation skills

• Foundation Skills: Foundation skills essential to performance are explicit in the performance criteria of this unit. Further information is available in the Resources and Infrastructure Industry Training Package Companion Volume.

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Questions about assessing RIIMCU404E