Elements and Performance Criteria

Stream: Production Plant
Field: Maintenance
Equivalencies: This unit of competence incorporates unit 18.6a of the National Metal
and Engineering Competency Standards
Pressure vessels may include air/steam receivers, boilers, HP and LP heaters, condensers, ash transport vessels, heat exchangers and tanks
Associated equipment may include valves, inspection plates, drains, cladding/insulation and pipe work
Details of maintenance may be clarified by diagnosis and work place inspection
Maintenance may include repair, inspection, modification, overhaul, lubrication, servicing, diagnosing and test running
Potential hazards may includematerials within pressure vessels
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 bynearby 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
Removal techniques
Maintenance techniques and procedures
Installation techniques and procedures
Completion of work procedures
Testing 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; Properties of solids, liquids and gases under pressure; Hand and portable power tools; Gaskets and seals; Relevant materials and components; Diagnostic and testing techniques; Non-destructive testing; Pressure system characteristics; Rigging and lifting; Specialised tools; Torquing techniques; Hazardous materials; Data recording; Levelling and aligning principles; Valves and pressure system components; Plant and systems; Engineering concepts; Technical drawings and data; Isolation procedures; Communication principles
The ability to:
Apply occupational health and safety standards; Manufacture and install gaskets/seals; Apply diagnostic and testing techniques; Work with hazardous substances; Work safely on pressurised systems; Apply levelling and aligning principles; Identify and apply correct torquing techniques; Work on valves and mountings; Identify/repair/install pressure system components; Use hand and portable power tools; Select and use specialised tools and jigs; Use and sketch technical drawings and data; Dismantle and reassemble components; Apply non-destructive testing techniques; Apply data analysis techniques; Communicate effectively.