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Elements and Performance Criteria

1. Plan to maintain electrical mining equipment
   • WHS/OHS requirements and workplace procedures for a given work area are identified and applied
2. WHS/OHS risk control measures and workplace procedures in preparation for work are followed
3. Scope of electrical work to be undertaken is determined from fault/breakdown reports and/or discussions with appropriate person/s
4. Advice is sought from work supervisor to ensure work is coordinated effectively with others
5. Sources of materials required for work are determined in accordance with workplace procedures
6. Tools, equipment and testing devices needed to locate faults are obtained in accordance with workplace procedures and checked for correct operation and safety
7. Maintain operation of electrical mining equipment
   • WHS/OHS risk control measures and workplace procedures for carrying out the work are followed
8. Need to test or measure live electrical work is determined in accordance with WHS/OHS requirements and workplace procedures
9. Circuits/machines/plant are checked and isolated in accordance with WHS/OHS requirements and workplace procedures
10. Safety hazards resulting from fault/s or breakdown are documented on job safety assessments, risks assessed and control measures implemented in consultation with appropriate person/s and workplace procedures
11. Fault-finding analysis is approached methodically using measured and calculated values of electrical circuit/apparatus parameters
12. Electrical circuit/apparatus components are dismantled, as required, and parts stored to protect against loss or damage
13. Faulty circuits/components are rechecked and fault status identified
14. Materials/replacement parts required to rectify fault/s are sourced and obtained in accordance with workplace procedures
15. Effectiveness of repair/s is tested in accordance with workplace procedures
16. Electrical apparatus and circuits are inspected, reassembled, tested and prepared for return to service
17. Unplanned situations are responded to safely and in accordance with workplace procedures with the approval of an authorised person/s
18. Fault-finding and repair activities are carried out without damage to apparatus, circuits, the surrounding environment or services using sustainable energy practices
19. Complete work and report on operation of electrical mining equipment
    • WHS/OHS work completion risk control measures and workplace procedures are followed
20. Reusable, faulty or worn components are tagged and despatched for repair in accordance with workplace procedures
21. Maintenance work activities are documented in accordance with workplace procedures

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment. Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.
maintaining operation of electrical mining equipment must include rectifying at least four of the following faults in mining equipment and circuits:	apparatus/component failure incorrect connections insulation failure open circuit related mechanical failure short circuit unsafe condition

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least two separate occasions and include:

applying methodical fault-finding techniques applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including using risk control measures applying sustainable energy principles and practices completing and reporting maintaining operation of electrical mining equipment completing workplace documentation correctly dealing with unplanned events in accordance with workplace procedures in a manner that minimises risk to personnel and equipment determining scope of work from fault/breakdown reports and discussion with appropriate person/s finding faults efficiently in accordance with workplace procedures and manufacturer specifications implementing WHS/OHS workplace procedures and practices maintaining operation of electrical mining equipment planning to maintain operation of electrical mining equipment rectifying faults effectively in accordance with workplace procedures and manufacturer specifications.

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Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

electrical apparatus, including: switchboards/distribution boards protective devices such as circuit breakers earth leakage devices control equipment socket outlets electric vehicles motor starters and associated control devices electrical circuits, including: supplying fix equipment lighting motors socket outlets trailing cable within electric vehicles electrical control and protection in mines, including: types of protection operation of protection devices and systems prospective fault currents discrimination electrical mining systems, including: earthing mine reticulation substations switchgear transmission lines environmental monitoring and control, including: basic principles control methods types and application of sensors equipment monitoring methods fire detection, warning and control systems handling, storage and testing of mining cables operation and safety of mining equipment, including: battery charging battery-operated vehicles conveyors mine winder and package systems ore extraction machinery shuttle cars ventilation fans relevant industry technical standards, regulations and codes for mining, including: certified/approved electrical equipment codes applicable to electrical safe working practices installation arrangements installation of electrical equipment protection for safety regulations governing mining and related activities standards mandated under regulation or by an authority, deemed-to-comply standard and local service requirements testing and verification relevant job safety assessments or risk mitigation processes relevant manufacturer specifications relevant WHS/OHS legislated requirements relevant workplace documentation, including: component faults reports inspection and test results authorisations and permits parts/component despatch and stores records relevant workplace policies and procedures sustainable energy principles and practices.

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