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Elements and Performance Criteria

  1. Prepare inspection areas for basic penetrant testing
  2. Perform basic penetrant testing
  3. Report the results of penetrant test(s)

Required Skills

Required skills

Look for evidence that confirms skills in

preparing inspection areas

identifying discontinuities

applying procedures

applying test media

applying principles of penetrant testing techniques

identifying defects

reading and interpreting routine information on written job instructions specifications and standard operating procedures

following oral instructions

entering routine and familiar information onto proformas and standard workplace forms

Required knowledge

Look for evidence that confirms knowledge of

cleaning and preparation processes

precleaning methods and their areas of use solvents vapour degrease etching detergents paint removers mechanical methods

consequences of incorrect preparation

procedures and OHampS requirements in relation to the preparation process

basic concepts and principles of NDT general terms purpose of NDT and areas of application of NDT

scope and basic description of test

general properties of penetrants penetrability removability visibility

emulsifier types

developer types

use of standard test panels

established inspection procedures and techniques

types of discontinuities and their consequences

procedure for carrying out penetrant testing

penetrant application

dwell times

penetrant removal

developer application

dry powder

development time

factors affecting indications

nonrelevant indications

postcleaning methods and their areas of use

basic maintenance and storage procedures for testing equipment

OHampS requirements including storage requirements

definition of a defect and common basic defects

methodsprocedures for reporting test results

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 basic penetrant 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 basic penetrant testing 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


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