Standard
Track updates
AS/NZS 4761.1:2018
[Pending Revision]The objective of this Standard is to set out the generic cross-industry competencies needed for work associated with electrical equipment for hazardous areas; these competencies are intended for use by any industry sector or enterprise with regard to explosion-protection related to the relevant functional areas.
Published: 24/07/2018
Pages: 142
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Application
1.3 Referenced documents
1.3.1 Normative references
1.3.2 Informative references
1.4 Terms and definitions
2 Competency units
2.1 General
2.2 Enter a classified hazardous area to undertake work related to electrical equipment
2.2.1 Scope of unit
2.2.2 Application
2.2.3 Precondition for assessment
2.2.3.1 Vocational competencies
2.2.3.2 Prerequisite hazardous area competencies
2.2.4 Elements and performance criteria
2.2.5 Range of conditions
2.2.5.1 Work environment
2.2.5.2 Operating conditions
2.2.6 Assessment requirements
2.2.6.1 Performance evidence
2.2.6.2 Knowledge evidence
2.2.6.3 Assessment conditions
2.2.6.3.1 Means of gathering performance evidence
2.2.6.3.2 Means of gathering knowledge evidence
2.2.6.4 Currency and sufficiency of evidence
2.2.6.5 Resources
2.2.6.5.1 Equipment and artefacts
2.2.6.5.2 Simulated work environment
2.2.6.6 Assessor and subject matter experts
2.2.6.6.1 Assessor competency
2.2.6.6.2 Subject matter expert
2.3 Conduct visual and close inspection of electrical installations for hazardous areas
2.3.1 Scope of unit
2.3.2 Application
2.3.3 Precondition for assessment
2.3.3.1 Vocational competencies
2.3.3.2 Prerequisite hazardous area competencies
2.3.4 Elements and performance criteria
2.3.5 Range of conditions
2.3.5.1 Work environment
2.3.5.2 Operating conditions
2.3.6 Assessment requirements
2.3.6.1 Performance evidence
2.3.6.2 Knowledge evidence
2.3.6.3 Assessment conditions
2.3.6.3.1 Means of gathering performance evidence
2.3.6.3.2 Means of gathering knowledge evidence
2.3.6.4 Currency and sufficiency of evidence
2.3.6.5 Resources
2.3.6.5.1 Equipment and artefacts
2.3.6.5.2 Simulated work environment
2.3.6.6 Assessor and subject matter experts
2.3.6.6.1 Assessor competency
2.3.6.6.2 Subject matter expert
2.4 Determine the explosion-protection requirements to meet a specified classified hazardous area
2.4.1 Scope of unit
2.4.2 Application
2.4.3 Precondition for assessment
2.4.3.1 Vocational competencies
2.4.3.2 Prerequisite hazardous area competencies
2.4.4 Elements and performance criteria
2.4.5 Range of conditions
2.4.5.1 Work environment
2.4.5.2 Operating conditions
2.4.6 Assessment requirements
2.4.6.1 Performance evidence
2.4.6.2 Knowledge evidence
2.4.6.3 Assessment conditions
2.4.6.3.1 Means of gathering performance evidence
2.4.6.3.2 Means of gathering knowledge evidence
2.4.6.4 Currency and sufficiency of evidence
2.4.6.5 Resources
2.4.6.5.1 Equipment and artefacts
2.4.6.5.2 Simulated work environment
2.4.6.6 Assessor and subject matter experts
2.4.6.6.1 Assessor competency
2.4.6.6.2 Subject matter expert
2.5 Install explosion-protected equipment and associated apparatus and wiring systems
2.5.1 Scope of unit
2.5.2 Application
2.5.3 Precondition for assessment
2.5.3.1 Vocational competencies
2.5.3.2 Prerequisite hazardous area competencies
2.5.4 Elements and performance criteria
2.5.5 Range of conditions
2.5.5.1 Work environment
2.5.5.2 Operating conditions
2.5.6 Assessment requirements
2.5.6.1 Performance evidence
2.5.6.2 Knowledge evidence
2.5.6.3 Assessment conditions
2.5.6.3.1 Means of gathering performance evidence
2.5.6.3.2 Means of gathering knowledge evidence
2.5.6.4 Currency and sufficiency of evidence
2.5.6.5 Resources
2.5.6.5.1 Equipment and artefacts
2.5.6.5.2 Simulated work environment
2.5.6.6 Assessor and subject matter experts
2.5.6.6.1 Assessor competency
2.5.6.6.2 Subject matter expert
2.6 Maintain electrical equipment associated with hazardous areas
2.6.1 Scope of unit
2.6.2 Application
2.6.3 Precondition for assessment
2.6.3.1 Vocational competencies
2.6.3.2 Prerequisite hazardous area competencies
2.6.4 Elements and performance criteria
2.6.5 Range of conditions
2.6.5.1 Work environment
2.6.5.2 Operating conditions
2.6.6 Assessment requirements
2.6.6.1 Performance evidence
2.6.6.2 Knowledge evidence
2.6.6.3 Assessment conditions
2.6.6.3.1 Means of gathering performance evidence
2.6.6.3.2 Means of gathering knowledge evidence
2.6.6.4 Currency and sufficiency of evidence
2.6.6.5 Resources
2.6.6.5.1 Equipment and artefacts
2.6.6.5.2 Simulated work environment
2.6.6.6 Assessor and subject matter experts
2.6.6.6.1 Assessor competency
2.6.6.6.2 Subject matter expert
2.7 Conduct detailed inspection of electrical installations for hazardous areas
2.7.1 Scope of unit
2.7.2 Application
2.7.3 Precondition for assessment
2.7.3.1 Vocational competencies
2.7.3.2 Prerequisite hazardous area competencies
2.7.4 Elements and performance criteria
2.7.5 Range of conditions
2.7.5.1 Work environment
2.7.5.2 Operating conditions
2.7.6 Assessment requirements
2.7.6.1 Performance evidence
2.7.6.2 Knowledge evidence
2.7.6.3 Assessment conditions
2.7.6.3.1 Means of gathering performance evidence
2.7.6.3.2 Means of gathering knowledge evidence
2.7.6.4 Currency and sufficiency of evidence
2.7.6.5 Resources
2.7.6.5.1 Equipment and artefacts
2.7.6.5.2 Simulated work environment
2.7.6.6 Assessor and subject matter experts
2.7.6.6.1 Assessor competency
2.7.6.6.2 Subject matter expert
2.8 Plan electrical installations for hazardous areas
2.8.1 Scope of unit
2.8.2 Application
2.8.3 Precondition for assessment
2.8.3.1 Vocational competencies
2.8.3.2 Prerequisite hazardous area competencies
2.8.4 Elements and performance criteria
2.8.5 Range of conditions
2.8.5.1 Work environment
2.8.5.2 Operating conditions
2.8.6 Assessment requirements
2.8.6.1 Performance evidence
2.8.6.2 Knowledge evidence
2.8.6.3 Assessment conditions
2.8.6.3.1 Means of gathering performance evidence
2.8.6.3.2 Means of gathering knowledge evidence
2.8.6.4 Currency and sufficiency of evidence
2.8.6.5 Resources
2.8.6.5.1 Equipment and artefacts
2.8.6.5.2 Specifications for pseudo plants
2.8.6.6 Assessor and subject matter experts
2.8.6.6.1 Assessor competency
2.8.6.6.2 Subject matter expert
2.9 Develop and manage periodic electrical inspection and maintenance programs for hazardous areas
2.9.1 Scope of unit
2.9.2 Application
2.9.3 Precondition for assessment
2.9.3.1 Vocational competencies
2.9.3.2 Prerequisite hazardous area competencies
2.9.4 Elements and performance criteria
2.9.5 Range of conditions
2.9.5.1 Work environment
2.9.5.2 Operating conditions
2.9.6 Assessment requirements
2.9.6.1 Performance evidence
2.9.6.2 Knowledge evidence
2.9.6.3 Assessment conditions
2.9.6.3.1 Means of gathering performance evidence
2.9.6.3.2 Means of gathering knowledge evidence
2.9.6.4 Currency and sufficiency of evidence
2.9.6.5 Resources
2.9.6.5.1 Equipment and artefacts
2.9.6.5.2 Specifications for pseudo plants
2.9.6.6 Assessor and subject matter experts
2.9.6.6.1 Assessor competency
2.9.6.6.2 Subject matter expert
2.10 Manage by continuous supervision inspection of electrical installations for hazardous areas
2.10.1 Scope of unit
2.10.2 Application
2.10.3 Precondition for assessment
2.10.3.1 Vocational competencies
2.10.3.2 Prerequisite hazardous area competencies
2.10.4 Elements and performance criteria
2.10.5 Range of conditions
2.10.5.1 Work environment
2.10.5.2 Operating conditions
2.10.6 Assessment requirements
2.10.6.1 Performance evidence
2.10.6.2 Knowledge evidence
2.10.6.3 Assessment conditions
2.10.6.3.1 Means of gathering performance evidence
2.10.6.3.2 Means of gathering knowledge evidence
2.10.6.4 Currency and sufficiency of evidence
2.10.6.5 Resources
2.10.6.5.1 Equipment and artefacts
2.10.6.5.2 Available personnel
2.10.6.6 Assessor and subject matter experts
2.10.6.6.1 Assessor competency
2.10.6.6.2 Subject matter expert
2.11 Conduct a conformity assessment review of explosion-protected equipment
2.11.1 Scope of unit
2.11.2 Application
2.11.3 Precondition for assessment
2.11.3.1 Vocational competencies
2.11.3.2 Prerequisite hazardous area competencies
2.11.4 Elements and performance criteria
2.11.5 Range of conditions
2.11.5.1 Work environment
2.11.5.2 Operating conditions
2.11.6 Assessment requirements
2.11.6.1 Performance evidence
2.11.6.2 Knowledge evidence
2.11.6.3 Assessment conditions
2.11.6.3.1 Means of gathering performance evidence
2.11.6.3.2 Means of gathering knowledge evidence
2.11.6.4 Currency and sufficiency of evidence
2.11.6.5 Resources
2.11.6.5.1 Equipment and artefacts
2.11.6.5.2 Simulated work environment
2.11.6.6 Assessor and subject matter experts
2.11.6.6.1 Assessor competency
2.11.6.6.2 Subject matter expert
2.12 Assess the fitness-for-purpose of explosion-protected equipment
2.12.1 Scope of unit
2.12.2 Application
2.12.3 Precondition for assessment
2.12.3.1 Vocational competencies
2.12.3.2 Prerequisite hazardous area competencies
2.12.4 Elements and performance criteria
2.12.5 Range of conditions
2.12.5.1 Work environment
2.12.5.2 Operating conditions
2.12.6 Assessment requirements
2.12.6.1 Performance evidence
2.12.6.2 Knowledge evidence
2.12.6.3 Assessment conditions
2.12.6.3.1 Means of gathering performance evidence
2.12.6.3.2 Means of gathering knowledge evidence
2.12.6.4 Currency and sufficiency of evidence
2.12.6.5 Resources
2.12.6.5.1 Equipment and artefacts
2.12.6.6 Assessor and subject matter experts
2.12.6.6.1 Assessor competency
2.12.6.6.2 Subject matter expert
2.13 Apply explosion-protection requirements to the design of electrical systems and installations
2.13.1 Scope of unit
2.13.2 Application
2.13.3 Precondition for assessment
2.13.3.1 Vocational competencies
2.13.3.2 Prerequisite hazardous area competencies
2.13.4 Elements and performance criteria
2.13.5 Range of conditions
2.13.5.1 Work environment
2.13.5.2 Operating conditions
2.13.6 Assessment requirements
2.13.6.1 Performance evidence
2.13.6.2 Knowledge evidence
2.13.6.3 Assessment conditions
2.13.6.3.1 Means of gathering performance evidence
2.13.6.3.2 Means of gathering knowledge evidence
2.13.6.4 Currency and sufficiency of evidence
2.13.6.5 Resources
2.13.6.5.1 Equipment and artefacts
2.13.6.5.2 Specifications for pseudo plants
2.13.6.6 Assessor and subject matter experts
2.13.6.6.1 Assessor competency
2.13.6.6.2 Subject matter expert
2.14 Perform compliance audits of hazardous areas and the related electrical installation
2.14.1 Scope of unit
2.14.2 Application
2.14.3 Precondition for assessment
2.14.3.1 Vocational competencies
2.14.3.2 Prerequisite hazardous area competencies
2.14.4 Elements and performance criteria
2.14.5 Range of conditions
2.14.5.1 Work environment
2.14.5.2 Operating conditions
2.14.6 Assessment requirements
2.14.6.1 Performance evidence
2.14.6.2 Knowledge evidence
2.14.6.3 Assessment conditions
2.14.6.3.1 Means of gathering performance evidence
2.14.6.3.2 Means of gathering knowledge evidence
2.14.6.4 Currency and sufficiency of evidence
2.14.6.5 Resources
2.14.6.5.1 Equipment and artefacts
2.14.6.6 Assessor and subject matter experts
2.14.6.7 Assessor competency
2.14.6.8 Subject matter expert
2.15 Classify areas where flammable gas or vapour hazards may arise
2.15.1 Scope of unit
2.15.2 Application
2.15.3 Precondition for assessment
2.15.3.1 Vocational competencies
2.15.3.2 Prerequisite hazardous area competencies
2.15.4 Elements and performance criteria
2.15.5 Range of conditions
2.15.5.1 Work environment
2.15.5.2 Operating conditions
2.15.6 Assessment requirements
2.15.6.1 Performance evidence
2.15.6.2 Knowledge evidence
2.15.6.3 Assessment conditions
2.15.6.3.1 Means of gathering performance evidence
2.15.6.3.2 Means of gathering knowledge evidence
2.15.6.4 Currency and sufficiency of evidence
2.15.6.5 Resources
2.15.6.5.1 Equipment and artefacts
2.15.6.5.2 Specifications for pseudo plants
2.15.6.6 Assessor and subject matter experts
2.15.6.6.1 Assessor competency
2.15.6.6.2 Subject matter expert
2.16 Classify areas where a combustible dust hazard may arise
2.16.1 Scope of unit
2.16.2 Application
2.16.3 Precondition for assessment
2.16.3.1 Vocational competencies
2.16.3.2 Prerequisite hazardous area competencies
2.16.4 Elements and performance criteria
2.16.5 Range of conditions
2.16.5.1 Work environment
2.16.5.2 Operating conditions
2.16.6 Assessment requirements
2.16.6.1 Performance evidence
2.16.6.2 Knowledge evidence
2.16.6.3 Assessment conditions
2.16.6.3.1 Means of gathering performance evidence
2.16.6.3.2 Means of gathering knowledge evidence
2.16.6.4 Currency and sufficiency of evidence
2.16.6.5 Resources
2.16.6.6 Equipment and artefacts
2.16.6.7 Specifications for pseudo plant
2.16.6.8 Assessor and subject matter experts
2.16.6.8.1 Assessor competency
2.16.6.8.2 Subject matter expert
2.17 Repair reeling, trailing and flexible cables used in coal mining
2.17.1 Scope of unit
2.17.2 Application
2.17.3 Precondition for assessment
2.17.3.1 Vocational competencies
2.17.3.2 Prerequisite hazardous area competencies
2.17.4 Elements and performance criteria
2.17.5 Range of conditions
2.17.5.1 Work environment
2.17.5.2 Operating conditions
2.17.6 Assessment requirements
2.17.6.1 Performance evidence
2.17.6.2 Knowledge evidence
2.17.6.3 Assessment conditions
2.17.6.3.1 Means of gathering performance evidence
2.17.6.3.2 Means of gathering knowledge evidence
2.17.6.4 Currency and sufficiency of evidence
2.17.6.5 Resources
2.17.6.5.1 Equipment and artefacts
2.17.6.5.2 Simulated work environment
2.17.6.6 Assessor and subject matter experts
2.17.6.6.1 Assessor competency
2.17.6.6.2 Subject matter expert
2.18 Test reeling, trailing and flexible cables and their attachments for use in coal mining
2.18.1 Scope of unit
2.18.2 Application
2.18.3 Precondition for assessment
2.18.3.1 Vocational competencies
2.18.3.2 Prerequisite hazardous area competencies
2.18.4 Elements and performance criteria
2.18.5 Range of conditions
2.18.5.1 Work environment
2.18.5.2 Operating conditions
2.18.6 Assessment requirements
2.18.6.1 Performance evidence
2.18.6.2 Knowledge evidence
2.18.6.3 Assessment conditions
2.18.6.3.1 Means of gathering performance evidence
2.18.6.3.2 Means of gathering knowledge evidence
2.18.6.4 Currency and sufficiency of evidence
2.18.6.5 Resources
2.18.6.5.1 Equipment and artefacts
2.18.6.5.2 Simulated work environment
2.18.6.6 Assessor and subject matter experts
2.18.6.6.1 Assessor competency
2.18.6.6.2 Subject matter expert
2.19 Inspect, maintain and fit plugs/couplers for reeling, trailing and flexible cables for use in coal mining
2.19.1 Scope of unit
2.19.2 Application
2.19.3 Precondition for assessment
2.19.3.1 Vocational competencies
2.19.3.2 Prerequisite hazardous area competencies
2.19.4 Elements and performance criteria
2.19.5 Range of conditions
2.19.5.1 Work environment
2.19.5.2 Operating conditions
2.19.6 Assessment requirements
2.19.6.1 Performance evidence
2.19.6.2 Knowledge evidence
2.19.6.3 Assessment conditions
2.19.6.3.1 Means of gathering performance evidence
2.19.6.3.2 Means of gathering knowledge evidence
2.19.6.4 Currency and sufficiency of evidence
2.19.6.5 Resources
2.19.6.5.1 Equipment and artefacts
2.19.6.5.2 Simulated work environment
2.19.6.6 Assessor and subject matter experts
2.19.6.6.1 Assessor competency
2.19.6.6.2 Subject matter expert
2.20 Verify compliance of repaired reeling, trailing and flexible cables and attachments for use in coal mining
2.20.1 Scope of unit
2.20.2 Application
2.20.3 Precondition for assessment
2.20.3.1 Vocational competencies
2.20.3.2 Prerequisite hazardous area competencies
2.20.4 Elements and performance criteria
2.20.5 Range of conditions
2.20.5.1 Work environment
2.20.5.2 Operating conditions
2.20.6 Assessment requirements
2.20.6.1 Performance evidence
2.20.6.2 Knowledge evidence
2.20.6.3 Assessment conditions
2.20.6.3.1 Means of gathering performance evidence
2.20.6.3.2 Means of gathering knowledge evidence
2.20.6.4 Currency and sufficiency of evidence
2.20.6.5 Resources
2.20.6.5.1 Equipment and artefacts
2.20.6.5.2 Simulated work environment
2.20.6.6 Assessor and subject matter experts
2.20.6.6.1 Assessor competency
2.20.6.6.2 Subject matter expert
2.21 Supply certified explosion-protected equipment for explosive atmospheres
2.21.1 Scope of unit
2.21.2 Application
2.21.3 Precondition for assessment
2.21.3.1 Vocational competencies
2.21.3.2 Prerequisite hazardous area competencies
2.21.4 Elements and performance criteria
2.21.5 Range of conditions
2.21.5.1 Work environment
2.21.5.2 Operating conditions
2.21.6 Assessment requirements
2.21.6.1 Performance evidence
2.21.6.2 Knowledge evidence
2.21.6.3 Assessment conditions
2.21.6.3.1 Means of gathering performance evidence
2.21.6.3.2 Means of gathering knowledge evidence
2.21.6.4 Currency and sufficiency of evidence
2.21.6.5 Resources
2.21.6.5.1 Equipment and artefacts
2.21.6.5.2 Specifications for pseudo installation
2.21.6.6 Assessor and subject matter experts
2.21.6.6.1 Assessor competency
2.21.6.6.2 Subject matter expert
2.22 Supervise repair and overhaul of explosion-protected equipment
2.22.1 Scope of unit
2.22.2 Application
2.22.3 Precondition for assessment
2.22.3.1 Vocational competencies
2.22.3.2 Prerequisite hazardous area competencies
2.22.4 Elements and performance criteria
2.22.5 Range of conditions
2.22.5.1 Work environment
2.22.5.2 Operating conditions
2.22.5.3 Competency endorsements
2.22.6 Assessment requirements
2.22.6.1 Performance evidence
2.22.6.2 Knowledge evidence for repair and overhaul of explosion-protected equipment (common requirements)
2.22.6.3 Knowledge evidence for repair and overhaul of explosive-protected equipment type ‘d’ (flameproof)
2.22.6.4 Knowledge evidence for repair and overhaul of explosive-protected equipment type ‘i’ (intrinsically safe)
2.22.6.5 Knowledge evidence for repair and overhaul of explosive-protected equipment type ‘p’ (pressurized)
2.22.6.6 Knowledge evidence for repair and overhaul of explosive-protected equipment type ‘e’ (increased safety)
2.22.6.7 Knowledge evidence for repair and overhaul of explosive-protected equipment type ‘n’
2.22.6.8 Knowledge evidence for repair and overhaul of explosive-protected equipment type Group III ‘t’
2.22.6.9 Knowledge evidence for repair and overhaul of explosive-protected equipment type pressurization ‘pD’
2.22.6.10 Knowledge evidence for repair and overhaul of explosive-protected equipment type encapsulation ‘m’
2.22.6.11 Knowledge evidence for repair and overhaul of explosive-protected equipment type ‘oil-filled’
2.22.6.12 Knowledge evidence for repair and overhaul of explosive-protected equipment type powder-filled ‘q’
2.22.6.13 Knowledge evidence for explosion-protected rotating machines
2.22.6.14 Assessment conditions
2.22.6.14.1 Means of gathering performance evidence
2.22.6.14.2 Means of gathering knowledge evidence
2.22.6.15 Currency and sufficiency of evidence
2.22.6.16 Resources
2.22.6.16.1 Equipment and artefacts
2.22.6.17 Assessor and subject matter experts
2.22.6.17.1 Assessor competency
2.22.6.17.2 Subject matter expert
Appendix A
A1 Introduction
A2 Assessors
A2.1 Role of assessors
A2.2 Qualification/competence
A2.3 Evidence of assessor’s competence
A3 Subject matter experts
A3.1 Role of subject matter experts
A3.2 Qualifications and experience
A3.3 Characteristics
A4 Evidence
A4.1 Rules of evidence
A4.2 Evidence of performance
A4.3 Evidence of knowledge
A4.4 Evidence of prior experience and learning
A5 Maintaining competence
Appendix B
Appendix C
C1 General
C2 Operatives
Appendix D
Cited references in this standard
[Current]
Reeling, trailing and feeder cables used for mining - Repair, testing and fitting of accessories
[Current]
Electrical equipment for explosive atmospheres - Repair and overhaul (IEC 60079-19:2015 (ED. 3.1), MOD)
AS/NZS 60079
Explosive atmospheres (series)
AS/NZS 80079
Explosive atmospheres (series)