Prepare surfaces for waterproofing application

Unit of competency Outline

Date retreived
22/07/2026 7:39 AM AWST

Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.

Unit of competency

National Code
CPCCWP2004

State Code
OCP03

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

Description

This unit specifies the skills and knowledge required to repair and prepare different surfaces for the application of waterproofing, meeting all relevant requirements of Australian Standards, work health and safety (WHS), and Commonwealth and state or territory legislation.The unit is suitable for those with basic skills and knowledge undertaking routine waterproofing tasks.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 CPCWHS1001Prepare 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 prepare surfaces for waterproofing application.

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 Prepare work area.

2.1 Identify area to be waterproofed from plans and specifications.
2.2 Inspect and test surface to determine appropriateness of the installation and for any contaminants, moisture or incompatible materials.
2.3 Provide ventilation in accordance with safety data sheets.
2.4 Provide run-off and environmental controls to regulatory and workplace requirements.
2.5 Clean and prepare work area for the waterproofing processes to manufacturers’ specifications and site requirements.

3 Prepare substrate.

3.1 Assess surface for defects and report areas of concern.
3.2 Select tools to repair/prepare the surface.
3.3 Determine method of repairing surface defects, consistent with type of material surface, size of defect, compatibility of materials and specified finish.
3.4 Select, prepare and apply repair materials to manufacturers' specifications.
3.5 Prepare substrate for water proofing system.
3.6 Clean surface area of unwanted materials to provide a uniform surface.
3.7 Protect surface until the application of the waterproof membrane.

4 Clean up.

4.1 Clear work area, dispose of materials, and reuse or recycle in compliance with legislation, regulations and codes of practice.
4.2 Clean, check, maintain and store tools and equipment in accordance with manufacturers’ recommendations.

No information

Replaces

State Code	National Code	Title	Type
W9621	CPCCWP2004A	Prepare surfaces for waterproofing application	Unit of competency

State Code	National Code	Title	Type
BGE0	CPC31420	Certificate III in Construction Waterproofing	Qualification