Elements and Performance Criteria

Stream: Production Plant
Field: Maintenance
Equivalencies: This unit of competence incorporates unit 5.12a of the National Metal and
Engineering Competency Standards
Welding equipment may include arc welder, leads, electrodes and welding shield
Materials may include mild steel, low carbon steels in the appropriate profile, i.e. angle, plate, pipe and channel
Distortion prevention measures may include bracing, pre-setting, tacking, bolting and clamping
Appropriate tools may include chipping hammer, wire brush, angle grinder, scraper and needle gun
Non-destructive testing may include visual inspection, dye check and magnetic particle and pressure tests
Maintenance may refer to repairing damaged leads, hand and earth pieces; cleaning and checks on portable welders
Work completion details may include plant and maintenance records, job cards, check sheets, on device labelling updates and reporting and/or documenting equipment defects
Work site environment may be affected by nearby plant or processes, e.g. chemical, heat, dust, noise, gas and oil
Isolations can refer to electrical/mechanical or other associated processes

Critical aspects of evidence
The knowledge and application of relevant sections of: Occupational, health and safety legislation; Statutory legislation; Enterprise/site safety procedures; Enterprise/site emergency procedures
Preparation and planning of work
Arc welding application, techniques and procedures
Relevant standards and procedures
Completion of work procedures
Context of assessment
Competency Standards should be assessed in the workplace or simulated workplace and under the normal range of workplace conditions
Assessment of this unit will be supported with documentary evidence, by means of endorsement stating type and application of work
Interdependent assessment of unit
Nil
Knowledge and Skills
A knowledge of:
Occupational health and safety standards; Relevant Australian standards; Hand and portable power tools; Welding and heating techniques; MMAW consumables; Weld and material preparation techniques; Distortion control techniques; Hazardous fumes and gases; Materials and their various profiles; Welding and heating equipment and its basic maintenance; Welding symbols; Communication principles ; Engineering concepts and principles
The ability to:
Apply occupational health and safety standards; Apply relevantAustralian standards; Use welding equipment; Undertake routine Arc Welding; Maintain welding and heating equipment; Use hand and portable power tools; Use sketch and update drawings, manuals and plans; Select materials; Control distortion; Inspect and identify defects in welds; Inspect and finalise job; Communicate effectively.