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Elements and Performance Criteria

1. Prepare to design electrical installations
   • Work health and safety (WHS)/occupational health and safety (OHS) processes and workplace procedures for a given work area are identified, obtained and applied
2. Scope of the electrical installation is identified from design brief
3. Electrical installation safety and regulatory requirements are identified, obtained and applied
4. Design development work is planned in consultation with relevant person/s involved with the work to meet scheduled timelines
5. Develop installation design
   • Relevant electrical installation performance standards, compliance methods and electrical equipment is applied to installation design in accordance with relevant industry standards
6. Alternative installation design/s is developed in accordance with the design brief
7. Safety, functional and budgetary considerations are incorporated in installation design
8. Installation design draft is checked in accordance with design brief and relevant industry standards
9. Installation design is documented for submission to relevant person/s for acceptance and approval
10. Unplanned situations are dealt with in accordance with workplace procedures
11. Obtain approval for installation design
    • Installation design is documented and presented to client representative and/or relevant person/s
12. Requests for alterations to the design are negotiated with relevant person/s in accordance with workplace procedures
13. Final design is documented and approval obtained from relevant person/s
14. Quality of work is monitored in accordance with workplace procedures and relevant industry standards

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.
Designing electrical installations with a LV demand in excess of 400 A per phase switchboard design installation must include at least the following:	main switchboard multiple tenancies distribution boards single and three phase final sub-circuits

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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:

developing outlines of alternative designs developing the design within the safety and functional requirements and budget limitations documenting and presenting design effectively successfully negotiating design alteration requests obtaining approval for final design dealing with unplanned events applying performance standards, compliance methods and lighting equipment to installation design applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including using risk control measures consulting with relevant person/s in planning design work identifying the scope of the installation design brief monitoring quality of work planning to meet scheduled timelines preparing to design electrical installations.

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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:

low voltage (LV) electrical installations with a demand greater than 400 ampere (A) per phase and advanced methods of cable and protection selection, including: electrical installations, determination of demand encompassing: acceptable methods for determining demand in mains and sub-mains applying calculation and assessment methods of determining demand in mains and sub-mains electrical installations, over-current protection encompassing: application of acceptable methods for determining prospective fault current relationship between prospective fault current and characteristics of protective devices relationship between over-current protections at various points in an electrical distribution system electrical installations, over-voltage and under-voltage protection encompassing: application of acceptable methods for determining the need for over-voltage and under-voltage protection methods and devices providing over-voltage and under-voltage protection problem-solving techniques relevant manufacturer specifications and operating instructions relevant job safety assessments or risk mitigation processes relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace quality, instructions, policies and procedures.

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