Unit of competency Outline

Date retreived
23/07/2026 7:33 AM AWST

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Install stormwater and sub-soil drainage systems and drain work site

Install stormwater and sub-soil drainage systems and drain work site

Unit of competency
National Code
CPCPDR2025
State Code
OCO50
TGA Status
Current
DTWD Status
Approved
Current Release Number
2.00
Current Release Date
23/12/2020
View on TGA
State Implementation and Classification
Approved Date
01/06/2021
Field of Education
040327 - Plumbing
Original Release Date
01/06/2021
Nominal Hours
20
Description
This unit specifies the skills and knowledge required to install stormwater and sub-soil drainage systems to an approved point of discharge. It includes the operation of pumps to temporarily or permanently drain a work site of unscreened roof water, sub-soil water and surface water. In some jurisdictions, this unit of competency may form part of accreditation, licensing, legislative, regulatory or certification requirements.
Notes
Elements and Performance Criteria
1 Plan the work.
  • 1.1 Access, read and determine stormwater and drainage requirements from relevant job plans and specifications, codes, Australian standards, manufacturer’s specifications and jurisdictional requirements.
  • 1.2 Identify and apply workplace policies and procedures, work health and safety (WHS) and environmental requirements.
2 Prepare for work.
  • 2.1 Create a materials list and collect materials.
  • 2.2 Select and check serviceability of appropriate tools and equipment, including personal protective equipment (PPE).
3 Install storm water and sub-soil drainage.
  • 3.1 Locate and set out position of stormwater and drainage and determine levels and gradients from set points.
  • 3.2 Excavate trench to specified depth and width and grade using manual or mechanical means.
  • 3.3 Measure, cut and install pipework to align with connection points.
  • 3.4 Conduct a pressure test on the stormwater installation.
  • 3.5 Fit covers and inspection openings.
4 Drain worksite.
  • 4.1 Position and construct sediment controls to meet environmental requirements.
  • 4.2 Install submersible pump in a sump or well with inlet and discharge point to the specified location and levels.
5 Clean up.
  • 5.1 Clear the work area, and dispose of, reuse or recycle materials in accordance with state and territory legislation and workplace policies and procedures.
  • 5.2 Clean tools and equipment, check for serviceability and report any damage, and store and secure.
No information
No information
Replaces
State Code National Code Title Type
WF860 CPCPDR2025A Drain work site Unit of competency
WF859 CPCPDR2024A Install stormwater and sub-soil drainage systems Unit of competency
State Code National Code Title Type
BGB4 CPC20720 Certificate II in Drainage Qualification
BGC2 CPC32420 Certificate III in Plumbing Qualification