Clear cavity walls

This standard covers the skills and knowledge needed to carry out cavity wall clearance operations to create clear cavities that can be reinsulated or insulated if the system has been used to remove debris only. You must also prove knowledge and competence to create a clear cavity to be able to facilitate external rendering and external wall insulation complying with current Building Regulations. All work must be completed following safe working practices, relevant legislation, and comply with contract information and the allocated timescales.

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1. confirm survey reports and location details following standard operating procedures
2. select and transport equipment and materials to sites to meet specifications
3. set up sites and equipment to meet survey reports
4. temporarily seal any apertures to prevent dust entering properties
5. clear cavity walls following safe methods of work and standard operating procedures
6. check cavity walls are clear of all materials and rubble following standard operating procedures
7. confirm clearance meets requirements following standard operating procedures
8. capture evidence required following standard operating procedures
9. restore properties following standard operating procedures
10. conduct post-extraction checks following standard operating procedures
11. remove waste from site following current legislation
12. remove tools and equipment from sites following standard operating procedures

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1. organisational security procedures for tools, equipment and personal belongings
2. equipment and materials used
3. information required before starting work
4. relevant health and safety control equipment used
5. resources used and how problems associated with resources are reported
6. potential hazards associated with resources and methods of work
7. how to calculate quantity and area for cavity wall clearance
8. how to clear different materials and rubble from cavity walls
9. how to check cavity walls are clear of materials and rubble and why this is important
10. evidence you are required to capture
11. how to restore properties
12. how to protect work areas from damage and the purpose of protection
13. post extraction checks
14. how to maintain tools and equipment used
15. how to remove waste

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1

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31 Mar 2025

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Current

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Original

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GQA Qualifications

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GQACWE1

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Construction and Building Trades nec, Construction and Building Trades Supervisors, Construction Operatives

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8159

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Cavity, extract, insulation

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