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Elements and Performance Criteria

1. Prepare inspection areas for ultrasonic thickness testing
   • Inspection areas are cleaned and prepared for testing using appropriate procedures and materials.
   • Preparation processes are carried out in accordance with the relevant procedures and OH&S requirements.
   • Inspection areas are visually assessed for obvious discontinuities.
2. Perform ultrasonic thickness testing
   • Nominated ultrasonic thickness test is identified from standard operating procedures.
   • Test equipment is prepared in accordance with standard operating procedures.
   • Ultrasonic tests are carried out in accordance with relevant standards and OH&S requirements.
   • Ultrasonic test equipment is maintained and stored in accordance with standard operating procedures and OH&S requirements.
3. Report the results of ultrasonic thickness tests
   • Basic thicknesses are identified and explained in accordance with enterprise standards and/or procedures.
   • Basic thicknesses are confirmed in accordance with enterprise standards and/or procedures.
   • Test results are reported in accordance with enterprise standards and/or procedures.

Required Skills

Required skills

Look for evidence that confirms skills in interpreting and following procedures identifying inspection areas identifying discontinuities and defects selecting appropriate testing techniques equipment and procedures performing calculations assessing risk entering routine and familiar information onto proformas and standard workplace forms

Required knowledge

Look for evidence that confirms knowledge of cleaning and preparation processes for a variety of test surfaces procedures and OHampS requirements in relation to the preparation process established assessment procedures and techniques basic principles of ultrasonic thickness testing properties and behaviour of ultrasound basic concepts associated with frequency velocity wavelength amplitude generation of ultrasound types of discontinuities and their consequences procedures for carrying out ultrasonic thickness tests tools equipment techniques and system verification checks necessary to carry out the ultrasonic thickness test advantages and limitations of ultrasonic thickness testing hazards and safety requirements associated with ultrasonic thickness testing basic maintenance and storage procedures for testing equipment common basic defects indications and thicknesses methodsprocedures for reporting test results ultrasonic thickness testing equipment types of displays ascan display bscan display types of couplants desirable characteristics straight beam testing method calibration of thickness testing equipment frequency probe size and shape thickness testing plate testing acceptance standards within the scope of this unit recording and reporting job records routine reports codes and standards variables affecting test results methods of controlling variables component variables size and geometry distance location from entry surface orientation to entry surface reflecting characteristics of back wall any applicable industry standards nationalAustralian standards NOHSC guides StateTerritory regulatory codes of practicestandards use and application of personal protective equipment safe work practices and procedures

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package
Overview of assessment	A person who demonstrates competency in this unit must be able to perform ultrasonic thickness testing Competency in this unit cannot be claimed until all prerequisites have been satisfied
Critical aspects for assessment and evidence required to demonstrate competency in this unit	Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria including required knowledge and be capable of applying the competency in new and different situations and contexts
Context of and specific resources for assessment	This unit may be assessed on the job off the job or a combination of both on and off the job Where assessment occurs off the job that is the candidate is not in productive work then an appropriate simulation must be used where the range of conditions reflects realistic workplace situations The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team The assessment environment should not disadvantage the candidate This unit could be assessed in conjunction with any other units addressing the safety quality communication materials handling recording and reporting associated with performing ultrasonic thickness testing in a range of industrial applications or other units requiring the exercise of the skills and knowledge covered by this unit
Method of assessment	Assessors should gather a range of evidence that is valid sufficient current and authentic Evidence can be gathered through a variety of ways including direct observation supervisors reports project work samples and questioning Questioning techniques should not require language literacy and numeracy skills beyond those required in this unit of competency The candidate must have access to all tools equipment materials and documentation required The candidate must be permitted to refer to any relevant workplace procedures product and manufacturing specifications codes standards manuals and reference materials
Guidance information for assessment

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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. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Preparation processes	Surface cleaning and drying
Obvious discontinuities	Observed changes in material homogeneity
Reported	Accurate identification of location and size of discontinuities

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