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Elements and Performance Criteria

1. Prepare to observe safety practices
   • Extent of work is determined from job instructions, design brief and other relevant documentation
2. Electrical cables in the work area are located and identified and authorisation received from relevant person/s
3. Access permit is obtained, read and applied from authorised switching officer and electrical supply is isolated
4. Safe workplace procedures for plant, machinery and equipment are reviewed and applied
5. Observe safety practices
   • Work is observed to ensure safe working methods are followed in accordance with workplace procedures
6. Work area near isolated electrical cables is observed to ensure it is not damaged or disturbed
7. Unplanned events are responded to in accordance with workplace procedures
8. Take actions to mitigate risk
   • Hazards not previously identified are referred to relevant person/s for risk mitigation measures in accordance with workplace procedures
9. Hazards are identified, risks assessed and control measures implemented
10. Solutions used to solve problems are justified and 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.
Observing safety practices are followed in the vicinity of isolated electrical cables normally operating above ELV must include each of the following situations:	cables installed underground in ducts or buried direct bare and insulated overhead conductors/cables cables installed above ground, unenclosed or enclosed in conduit, trunking or ducts

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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 one occasion and include:

reading instructions and understanding the nature of the work to be undertaken understanding the location of electrical cables in the vicinity of the work to be undertaken receiving, reading and understanding access permits reviewing and understanding safe working methods for the plant, machinery and equipment to be used observing work activities ensuring safe working methods are followed dealing with previously unidentified hazards in accordance with established procedures monitoring risk mitigation methods for continuous improvement in accordance with established procedures documenting safe working practices and any corrective actions in accordance with established procedures dealing effectively with unplanned events applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including taking actions to mitigate risk implementing risk control measures observing safety practices are followed around isolated electrical cables preparing and observing safety practices.

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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:

safety practices - working safely around electrical cables and infrastructure, including: effects of electric shock on the human body encompassing: shock currents burns risks of low voltage (LV), high voltage (HV) and high currents risk management and assessment of risk encompassing: principle and purpose of risk management processes for conducting a risk assessment hazards associated with electrical cables/conductors encompassing: electrical supply arrangements for isolation of circuits supply connected capacitance charge on cables isolated from supply consequences of damaged cables/conductors encompassing: accelerated deterioration of insulated cables, including damage to enclosures, serving, armours, sheathing and insulation without exposure of the conductors damage of exposing conductors with the likelihood of dangerous step voltage and touch voltage how a short circuit occurs and the resulting potential damage they cause risks and control measures associated with work in the vicinity of electrical cables and infrastructure the main features and purpose of an access permit system electrical isolation and types of permits issued for work in the vicinity of isolated cables scope of work permitted on an access permit safety observation procedures relevant industry standards for electrical isolation relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures.

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