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Elements and Performance Criteria

1. Select welding process and plan the work
   • Nature of material to be welded is determined and an appropriate welding process is selected
   • Work is planned to maximise safety and productivity
   • Suitable electrical power outlets, if required, are identified
   • Safe working environment is established
   • Workplace procedures and instructions are read and interpreted
2. Prepare welding equipment
   • Appropriate hand-held or stationary manual welding equipment is selected
   • Welding equipment is checked for serviceability
   • Correct 'power on' procedures are followed
3. Select, use and store tools
   • Appropriate supplementary hand and power tools are selected for the job
   • Tools are examined for damage, missing components or other defects (including frayed power cords where applicable)
   • Extension power cables are checked for knots and insulation damage
   • Electrical tools are connected safely to power supply
   • Safety equipment is used during tool operation in accordance with OHS practices
   • Required tasks are performed using tools in accordance with OHS practices
   • Tools are located in a safe position when not in use
   • Tools and extension cords are cleaned and stored in accordance with industry and workplace OHS practices
4. Perform welding
   • Surfaces of material are prepared for welding
   • Material is laid out on working table or other suitable surface
   • Material is anchored to prevent movement
   • Equipment temperature is adjusted to prescribed settings
   • Screens or barriers, where fitted, are lowered prior to welding process
   • Welding equipment is operated in accordance with standard practice
   • Weld area is examined or tested for correct fusion of materials
   • Work piece is removed
   • Knowledge of welding processes are applied to perform required tasks
5. Inspect quality, labelling and documentation
   • Completed weld is informally inspected to verify that it appears to be of an acceptable standard
   • Completed product is labelled or tagged and any necessary documentation completed in accordance with workplace procedures
6. Clean up and maintain equipment
   • Work area is cleaned and tools and electrical equipment are stowed away

Required Skills

This describes the essential skills and knowledge and their level required for this unit

Demonstrates knowledge of specific OHS requirements associated with hot air and hot wedge welding hazards associated with heated plastics plastic welding principles and techniques general operating principles of plastic welding equipment a range of plastic welding equipment hand tools and power tools commonly used in the plastic welding process and their appropriateness for particular applications power sources such as single phase three phase and weather protected outlets materials and equipment specifications relevant quality standards for plastic welds environmental requirements of relevant industry and workplace procedures general housekeeping policies and procedures OHS practices including hazard identification and control measures quality practices workplace practices recording and reporting practices

Demonstrates skills to apply work instructions and established procedures understand relevant technical information about plastic welding processes materials and equipment use relevant hand and power tools use relevant chemicals and cleaning agents and dispose of waste products maintain work area read interpret and follow information on work specifications standard operating procedures and work instructions and other reference material maintain accurate records communicate within the workplace sequence operations meet specifications clarify and check taskrelated information carry out work according to OHS practices

Evidence Required

The Evidence Guide provides advice on assessment and must be read in conjunction with the Performance Criteria Required Skills and Knowledge the Range Statement and the Assessment Guidelines for the Training Package
Critical aspects for assessment and evidence required to demonstrate competency in this unit	Demonstrates skills and knowledge to comply with all relevant safety requirements including safe use of plastic welding equipment hand and power tools and electrical equipment follow work orders understand equipment and materials specifications and instructions needed for the plastic welding process prepare material to be welded and set up welding equipment perform a variety of welds with a satisfactory degree of quality consistency perform normal operator maintenance of work area to enable work to be conducted safely and efficiently document and communicate work related information including reporting of faults and other problems Consistently applies skills and knowledge when organising work completing tasks identifying improvements using workplace practices using OHS practices recording and reporting accidents and incidents assessing operational readiness of equipment used and work processes recognising and adapting to cultural differences in the workplace including modes of behaviour and interactions completing work systematically with attention to detail without damage to goods and equipment
Context and specific resources for assessment	Assessment may occur on the job or in an appropriately simulated environment and requires access to work areas materials and equipment and to information on workplace practices and OHS practices
Guidance information for assessment	This unit may be assessed independently or in combination with other relevant units

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Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the Performance Criteria, is detailed below. Add any essential operating conditions that may be present with training and assessment depending on the work situation, needs if the candidate, accessibility of the item, and local industry and regional contexts.
Legislative/regulatory requirements	All work must comply with relevant Federal and State or Territory legislative or regulatory requirements.
Material may include	PVC vinyls clear plastics
Welding equipment may include	foot controlled welder hand welder hot air welder hot wedge welder
Hand and power tools may include	hammers rasps files portable sanders
OHS practices	OHS practices must include hazard identification and control, risk assessment and implementation of risk reduction measures specific to the tasks described by this unit, and may include: manual handling techniques standard operating procedures personal protective equipment safe materials handling taking of rest breaks ergonomic arrangement of workplaces following marked walkways safe storage of equipment housekeeping reporting accidents and incidents other OHS practices relevant to the job and enterprise

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