Elements and Performance Criteria

Range of Contexts:
This competency standard applies to:
Bus/Truck/Trailer Manufacture and Assembly

Sources of information/documentation may include:
Manufacturer specifications
Company operating procedures
Product manufacturer specifications
Customer requirements
Industry/workplace codes of practice
State/industry OH&S legislation

Resources may include:
Welding equipment may include oxyacetylene plant, hand pieces, hoses, filler rods, gauges, fluxes and tips
Materials may include aluminum, stainless steel, cast iron, high, mild and low carbon steels, high and low alloy steels in the appropriate profile eg plate, pipe, tube and round bar
Distortion prevention measures may include bracing, pre-setting, tacking, bolting and clamping, jigs and fixtures
Appropriate tools may include wire brush, oxyacetylene bottle spanner and angle grinder
Non-destructive testing may include visual inspection, dye check, magnetic particle, pressure test and ultra sound
Maintenance may refer to replacing/repairing damaged hoses and cleaning/replacing tips
Work completion details may include plant and maintenance records, job cards, check sheets, on device labelling updates and reporting and/or documenting equipment defects
OH&S standards (as per company and statutory requirements)
Documentation and reporting systems (as per company requirements)
Work specifications / work plan
Qualified workplace assessor
Workplace or simulated workplace

Context:
Competency must be assessed in a safe working environment and in accordance with endorsed industry assessment guidelines.
The underpinning knowledge and skills may be assessed on or off-the-job.
The assessment of practical skills must take place only after a period of supervised practice and repetitive experience. If workplace conditions are not available, assessment in simulated workplace conditions is acceptable.
The prescribed outcome must be able to be achieved without direct supervision.

Concurrent assessment and pre-requisite relationship:
This unit may be assessed in conjunction with other units that form part of the function or for a particular job role for a company.

Consistency of performance:
Competency is best assessed through observation over a period of time and in a variety of situations. Supplementary evidence of underpinning knowledge and the capability to manage tasks and operational and workplace contingencies should be gained through questioning and the use of work based examples.
Questioning should be undertaken in such a manner as is appropriate to the language and literacy levels of the operator and to the requirements of the unit of competency.

Language, literacy and numeracy skills:
Speaking and listening skills may include:
Listening to and following verbal instructions
Giving verbal instructions and technical information

Reading and writing skills may include:
Reading and interpreting company documentation eg job specifications, work plan, company standards documentation
Completing company documentation (written/electronic) eg job sheets, work orders, damage reports
Reading and interpreting equipment manuals, tags and labels

Numeracy skills may include:
Determining quantities of materials required
Read and interpret gauge working pressures

Critical aspects of evidence:
Evidence of achievement is required in all of the following:
Prepare and plan work
Complete oxyacetylene weld
Complete work procedures
Employ company OH&S policies and procedures
Maintain welding and heating equipment
Control distortion of materials
Inspect and identify defects in welds
Inspect and finalise job

Underpinning knowledge:
Welding and heating techniques
Read and interpret welding symbols on drawings
Company OH&S policies and procedures
Welding and material preparation techniques
Distortion control techniques
Weld testing techniques (non destructive)
Welding equipment maintenance procedures