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Elements and Performance Criteria

  1. Identify the appropriate coating removal method
  2. Prepare for coating removal
  3. Remove coating
  4. Clean up work area and maintain equipment

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.

Procedures and requirements include:

Industry standard procedures specified by manufacturers, regulatory authorities or the enterprise

WHS requirements are identified from relevant:

Commonwealth/state/territory WHS legislation, regulations and codes

Procedures manuals

Safety manuals

Work instructions

Maintenance organisation manuals

Material safety data sheets (MSDS)

Defence regulations and instructions

Standing instructions

Materials and tools include:

Masking tapes and barrier materials

Chemicals

Abrasives

Grinders

Scrapers

Paint stripper application pumps

Blasting equipment

Cleaning material

Environmental requirements relate to:

Noise

Dust

Fume extraction

Clean-up management

Legislative, regulatory and enterprise procedures include:

Commonwealth/state/territory environmental legislation, regulations and codes for the storage and disposal of hazardous and toxic materials

MSDS

Maintenance organisation manuals

Procedures manuals

Work instructions

Relevant Defence regulations and instructions

Standing instructions


Performance Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria under the specified conditions of assessment, and must include:

applying WHS procedures relating to coating removal, including the selection and correct use of PPE

selecting and applying masking and barrier materials

selecting and using chemical strippers

using MSDS

selecting and using applicable mechanical coating removal methods

cleaning of surfaces following coating removal

correctly disposing of waste materials

cleaning and maintenance of equipment and tools.

It is essential that system testing procedures, cleanliness requirements and safety precautions, including the correct use of PPE, and application of environmental protection procedures are fully observed, understood and complied with. Ability to interpret coating removal procedures and apply them in practice is critical.

Evidence of transferability of skills and knowledge related to coating removal is essential. This is to be demonstrated through application of chemical and mechanical coating removal processes across a range of aircraft and component tasks.


Knowledge Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

relevant enterprise procedures and maintenance publications

WHS procedures relating to the removal of aerospace coatings, including PPE and fume extraction

how to obtain MSDS

types of chemicals used for coating removal and methods of application

mechanical methods that can be used for coating removal

types of masking and barrier materials

cleaning methods following coating removal

environmental legislation and regulations relating to the storage, use and disposal of hazardous materials.