Modification History
Not applicable.
Unit Descriptor
This unit covers establishing and maintaining the mine electrical installations, reticulation and protection systems in the coal mining industry. It includes providing the following: power supply systems; electrical protection systems; cables from power source to point of usage; mobile machinery and electrical apparatus; overall electrical services that apply to production systems; and safe electrical work procedures.
Application of the Unit
This unit is appropriate for those working in a management role or as a technical specialist, within:
- Coal mining
Licensing/Regulatory Information
Refer to Unit Descriptor.
Pre-Requisites
Not applicable.
Employability Skills Information
This unit contains employability skills.
Elements and Performance Criteria Pre-Content
Elements describe the essential outcomes of a unit of competency. |
Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the required skills and knowledge section and the range statement. Assessment of performance is to be consistent with the evidence guide. |
Elements and Performance Criteria
ELEMENT |
PERFORMANCE CRITERIA |
1. Provide power supply systems for the mine site |
1.1. Access, interpret and apply the compliance documentation requirements related to establishing and maintaining of mine electrical power supply systems 1.2. Install, maintain, review and modify mine power supply systems 1.3. Undertake processes and procedures to ensure reliability and quality of supply taking into account transients, harmonics, over-voltages, voltage regulation, lightning and stray currents 1.4. Plan and install alternative power supply associated with mine site conditions and safety needs 1.5. Undertake processes and procedures to protect high energy sources (sub stations and transformers) through the selection and installation of switchgear and protective devices 1.6. Provide mine illumination systems and equipment in accordance with site operations and safety needs 1.7. Plan and install battery and associated charging equipment in accordance with mine site conditions and safety needs 1.8. Review audit and maintain all power supply systems |
2. Provide electrical protection system for mine sites |
2.1. Access, interpret and apply the compliance documentation requirements related to mine electrical protection system 2.2. Install and maintain the electrical protection system 2.3. Identify, isolate, rectify faults in electrical installations and verify ability of the system through recognised decision-making processes, including the use of fault level calculations, discrimination and component ratings 2.4. Apply management decision-making processes for the maintenance, examination and testing of electrical protection systems relative to mine site and safety needs 2.5. Review, modify, audit and maintain all electrical protection systems and devices |
3. Provide cables from power source to point of usage |
3.1. Access, interpret, apply and implement the compliance documentation requirements related to provision and use of mine cables 3.2. Identify, select and install mine cables 3.3. Identify, report and rectify mine cable faults and hazards in accordance with mine site and hazard control requirements 3.4. Inspect mine cables for their integrity, usage, consequence of fault/damage and previous repairs 3.5. Carry out management, inspection, application, testing, fault finding and repair |
4. Provide mobile machinery and electrical apparatus |
4.1. Access, interpret, clarify and apply the compliance documentation requirements related to provision and use of mobile machinery and electrical apparatus 4.2. Identify, select and install mobile machinery and electrical apparatus 4.3. Inspect, monitor, report and rectify mobile machinery and electrical apparatus faults and hazards 4.4. Carry out testing |
5. Provide overall electrical services that apply to production systems |
5.1. Access, interpret, clarify and apply the compliance documentation requirements related to overall electrical services that apply to production systems 5.2. Select, install, monitor and maintain mine communication systems 5.3. Select, install, monitor, modify and maintain the electrical components of the gas monitoring and detection systems 5.4. Select, install, monitor, modify and maintain control systems 5.5. Control, monitor and rectify electromagnetic interference that may affect the safe use of electrical systems and other mining equipment 5.6. Select, install, monitor, modify and maintain remote control systems on mining equipment 5.7. Select, install, monitor, modify and maintain welding equipment and energy delivery sources, including pre and post operations 5.8. Identify, control and manage hazards from electrostatic charges |
6. Provide safe electrical work procedures |
6.1. Access, interpret, clarify and implement the compliance documentation requirements related to safe electrical work procedures 6.2. Monitor and audit safe electrical work procedures 6.3. Determine and implement training needs |
Required Skills and Knowledge
This section describes the skills and knowledge required for this unit. |
Required skills |
Specific skills are required to achieve the performance criteria in this unit, particularly for the application in the various circumstances in which this unit may be applied. This includes the ability to carry out the following as required to establish and maintain the mine electrical installations, reticulation and protection systems:
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Required knowledge |
Specific knowledge is required to achieve the Performance Criteria of this unit, particularly its application in a variety of circumstances in which the unit may be used. This includes knowledge of the following, as required to establish and maintain the mine electrical installations, reticulation and protection systems:
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Evidence Guide
The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package. |
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Overview of assessment |
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Critical aspects for assessment and evidence required to demonstrate competency in this unit |
The evidence required to demonstrate competency in this unit must be relevant to worksite operations and satisfy all of the requirements of the performance criteria, required skills and knowledge and the range statement of this unit and include evidence of the following:
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Context of and specific resources for assessment |
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Method of assessment |
This unit may be assessed in a holistic way with other units of competency. The assessment strategy for this unit must verify required knowledge and skill and practical application using more than one of the following assessment methods:
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Guidance information for assessment |
Consult the SkillsDMC User Guide for further information on assessment including access and equity issues. |
Range Statement
The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included. |
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Relevant compliance documentation may include: |
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Mine power supply systems include: |
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Electrical protection system for mine sites will include: |
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Electrical protection systems in mines shall include, but not be limited to: |
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Mine cables may include: |
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Hazards may include: |
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Communications systems may include: |
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Control systems are systems that automatically control equipment such as: |
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Remote control systems include systems used to operate fixed, transportable and mobile mining machinery from a distance. They may be: |
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Safe electrical work procedures may include: |
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Unit Sector(s)
Resources and Infrastructure
Competency field
Refer to Unit Sector(s).
Co-requisite units
Not applicable.