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Elements and Performance Criteria

  1. Determine job requirements
  2. Comply with work health and safety (WHS) requirements at all times
  3. Use appropriate personal protective equipment (PPE) in accordance with SOPs
  4. Identify job requirements from specifications, job sheets or work instructions
  5. Identify properties of commonly used metals
  6. Identify characteristics and properties of commonly used materials
  7. Identify uses and purposes of commonly used materials
  8. Consider basic metallurgical characteristics
  9. Identify and provide for welding contingencies
  10. Identify potential contingencies and consider solutions
  11. Identify appropriate welding process
  12. Identify effects of welding processes on materials
  13. Identify distortion prevention measures
  14. Identify alternative joining methods for job and assess for relevancy
  15. Identify cleaning and preparation requirements
  16. Consider role of contaminants in welding flaws
  17. Identify and utilise safety requirements for chemicals and other materials in accordance with manufacturers' specifications and legislative requirements

Range Statement

This field allows for different 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.

Characteristics include the following:

tensile strength, grade, heat resistance and density

Properties include the following:

physical properties, flammable limits and melting point

Basic metallurgical characteristics include the following:

alloys and grades of metals and different types of electrodes

Information includes one (1) or more of the following:

steel suppliers’ handbooks

welding company materials

SOPs

safety documentation

Welding processes include one (1) or more of the following:

fusion – electric arc welding, gas (oxy-fuel) welding and thermit welding

pressure welding processes – resistance welding, fire or forge welding, friction welding and explosive welding

low temperature processes – soldering and brazing

other – ultrasonic welding and electron beam welding

Effects include one (1) or more of the following:

thermal expansion

heat affected zones

fume emissions

altered density

distortion

Distortion prevention measures include one (1) or more of the following:

heat treatments

consolidations

Processes for cleaning and weld preparation include one (1) or more of the following:

etching

grinding

arc gouging

thermal cutting

chemical additives

anti-corrosion treatments

Safety requirements include one (1) or more of the following:

dry and ventilated areas

in accordance with workplace procedures

location away from heat risks

location away from incompatible substances

requirements for hazardous substances

adequate signage and labelling

appropriate sealing

routine inspections

emergency procedures

regulatory notification requirements