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Elements and Performance Criteria

1. Identify and confirm the modification requirement
   • Job requirements are determined from workplace instructions
   • Reasons for the modification are identified and confirmed with appropriate persons
   • Modification options are identified and reported to appropriate persons according to workplace procedures
   • Hazards associated with the work are identified and risks are managed
   • Legal and safety impacts of the modification are considered, as required, according to regulatory requirements
2. Develop and validate the modification specification
   • Manufacturer specifications for the existing electrical system are sourced and interpreted
   • Criteria for selecting the modification method and evaluating the outcomes are identified and documented
   • Proposed modification method is identified, selected and evaluated from available options
   • Selected option, including material choices and processes, is developed in detail and progressively assessed against established criteria
   • Modification specification is documented according to workplace procedures
3. Apply and test the modification specification
   • Tools, test equipment and materials required to support the modification procedure are identified, selected and prepared for use
   • Selected modification method is carried out according to workplace procedures and safety requirements
   • Post-modification testing is carried out according to workplace procedures to confirm modification outcomes are as intended, and any problems detected as having been introduced during the modification process are rectified
   • Test results and other diagnostic findings are verified, as required, by using reliable alternative or optional processes
   • Variations needed during the modification process or as a result of testing are incorporated into the modification specification
   • Information and detail relating to the modification are documented and provided to the appropriate parties according to regulatory and commercial obligations
4. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations
   • Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
   • Tools and equipment are checked and stored, and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures
   • Workplace documentation is processed according to workplace procedures
5. Identify and confirm the modification requirement
   • Job requirements are determined from workplace instructions
   • Reasons for the modification are identified and confirmed with appropriate persons
   • Modification options are identified and reported to appropriate persons according to workplace procedures
   • Hazards associated with the work are identified and risks are managed
   • Legal and safety impacts of the modification are considered, as required, according to regulatory requirements
6. Develop and validate the modification specification
   • Manufacturer specifications for the existing electrical system are sourced and interpreted
   • Criteria for selecting the modification method and evaluating the outcomes are identified and documented
   • Proposed modification method is identified, selected and evaluated from available options
   • Selected option, including material choices and processes, is developed in detail and progressively assessed against established criteria
   • Modification specification is documented according to workplace procedures
7. Apply and test the modification specification
   • Tools, test equipment and materials required to support the modification procedure are identified, selected and prepared for use
   • Selected modification method is carried out according to workplace procedures and safety requirements
   • Post-modification testing is carried out according to workplace procedures to confirm modification outcomes are as intended, and any problems detected as having been introduced during the modification process are rectified
   • Test results and other diagnostic findings are verified, as required, by using reliable alternative or optional processes
   • Variations needed during the modification process or as a result of testing are incorporated into the modification specification
   • Information and detail relating to the modification are documented and provided to the appropriate parties according to regulatory and commercial obligations
8. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations
   • Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
   • Tools and equipment are checked and stored, and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures
   • Workplace documentation is processed according to workplace procedures

Range Statement

This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.

Safety requirements must include:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for: identifying hazards and controlling risks associated with: working on vehicle ignition systems with injector high voltages wearing jewellery while working around high current wiring systems using personal protective equipment (PPE) and hand tools.

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Performance Evidence

Before competency can be determined, individuals must demonstrate they can perform the following according to the standard defined in this unit’s elements, performance criteria, range of conditions and foundation skills:

develop and apply one of the following significant and non-routine modifications on the electrical system of two different vehicles, vessels, machinery or equipment:

adapt or modify electrical system to a significantly changed capability

adapt electrical system for different work conditions

modify or install a significant electrical system for a special purpose.

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Knowledge Evidence

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to developing and applying electrical system modifications, including procedures for:

identifying hazards and controlling risks associated with:

working on vehicle ignition systems with injector high voltages

wearing jewellery while working around high current wiring systems

using personal protective equipment (PPE) and hand tools

location and content of manufacturer specifications, workplace procedures and other relevant technical information relating to modifying electrical systems

principles and processes involved in planning and implementing modifications to electrical systems

types, functions, operation and limitations of the electrical systems being modified

types, functions, operation and limitations of diagnostic testing equipment required for electrical system modifications, including scan tools and oscilloscopes

requirements of Australian Design Rules (ADRs) and Vehicle Safety Bulletins (VSBs) relating to electrical system modifications

procedures for documenting and reporting the modification specifications and outcomes.

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