Unit of competency Outline

Date retreived
22/07/2026 3:42 PM AWST

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Apply waterproofing process to external above-ground wet areas

Apply waterproofing process to external above-ground wet areas

Unit of competency
National Code
CPCCWP3003
State Code
OCO98
TGA Status
Current
DTWD Status
Approved
Current Release Number
3.00
Current Release Date
24/12/2024
View on TGA
State Implementation and Classification
Approved Date
01/06/2021
Field of Education
040313 - Ceiling, Wall And Floor Fixing
Original Release Date
01/06/2021
Nominal Hours
40
Description
This unit specifies the skills and knowledge required to apply waterproofing to external above-ground wet areas, meeting all relevant requirements of Australian Standards, work health and safety (WHS) requirements, and Commonwealth and state or territory legislation. It includes identification of the appropriate waterproofing system to be used, its preparation and its application.A person working at this level would be expected to take responsibility for organising and completing tasks assigned to them without close supervision.Completion of the general construction induction training program specified by the model Code of Practice for Construction Work is required for any person who is to carry out construction work. Achievement of CPCWHS1001 Prepare to work safely in the construction industry meets this requirement.No licensing, legislative or certification requirements apply to this unit at the time of publication.
Notes
Elements and Performance Criteria
1 Plan and prepare to apply waterproofing process to external above-ground wet areas.
  • 1.1 Read and interpret work instructions and plan sequence of work.
  • 1.2 Select and use personal protective equipment (PPE) as required for each stage of the task.
  • 1.3 Plan all work to comply with laws and regulations, Australian Standards, work health and safety (WHS) and environmental requirements, manufacturers’ specifications, workplace requirements, drawings and specifications.
  • 1.4 Follow requirements of job safety analyses and safety data sheets.
  • 1.5 Inspect work site, assess hazards and apply risk controls, including required signage and barricades.
  • 1.6 Select tools and equipment, check for serviceability and report any faults.
  • 1.7 Select materials required for task, calculate quantities, handle safely and prepare and position ready for use.
2 Select waterproofing system.
  • 2.1 Locate external above-ground area to be waterproofed from drawings and specifications.
  • 2.2 Check area for soundness and surface defects.
  • 2.3 Select waterproofing systems suitable for and compatible with site conditions and substrate.
3 Prepare for waterproofing installation.
  • 3.1 Set out above-ground external wet area and check alignment, fixtures and finished levels for conformity with drawings and specifications, and report defects.
  • 3.2 Test moisture content in substrate for compatibility with system and report defects.
  • 3.3 Check adequacy of drainage and report defects.
  • 3.4 Prepare flashings and termination seals and make ready for installation to manufacturers’ specifications.
  • 3.5 Check that substrate has a uniform finish to manufacturers’ instructions.
  • 3.6 Clean and prepare substrate ready for waterproofing and sealant.
  • 3.7 Prime substrate ready for waterproofing and sealant.
4 Apply waterproofing.
  • 4.1 Apply waterproofing system to prepared surface to manufacturers’ specifications.
  • 4.2 Detail and terminate waterproofing membrane in accordance with system requirements.
  • 4.3 Check completed waterproofing installation for conformity to manufacturers’ specifications.
  • 4.4 Document movement joints for subsequent trades.
  • 4.5 Perform final inspection and completion activities.
  • 4.6 Protect waterproofing membrane.
5 Apply sealants to construction joints.
  • 5.1 Select sealant for compatibility with application, substrate and finishes.
  • 5.2 Install backing rods and/or release agents to prevent three-sided adhesion.
  • 5.3 Apply sealant manufacturers’ specifications, tool to required finish and allow to cure.
  • 5.4 Perform final inspection and completion activities.
  • 5.5 Protect sealant, in accordance with manufacturers’ specifications.
6 Clean up.
  • 6.1 Clear work area, dispose of materials, and reuse or recycle in compliance with legislation, regulations and codes of practice.
  • 6.2 Clean, check, maintain and store tools and equipment in accordance with manufacturers’ recommendations.
No information
No information
Replaces
State Code National Code Title Type
W9624 CPCCWP3003A Apply waterproofing process to external wet areas Unit of competency
State Code National Code Title Type
BGE0 CPC31420 Certificate III in Construction Waterproofing Qualification