Unit of competency Outline

Date retreived
23/07/2026 5:19 AM AWST

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Plan layout and install below ground sanitary drainage systems

Plan layout and install below ground sanitary drainage systems

Unit of competency
National Code
CPCPDR3021
State Code
OCO48
TGA Status
Current
DTWD Status
Approved
Current Release Number
3.00
Current Release Date
09/12/2021
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
35
Description
This unit specifies the skills and knowledge required to plan the layout of and install below ground sanitary drainage systems for sewage and waste discharge from sanitary fixtures to approved points of connection in new or existing domestic and commercial structures. In some jurisdictions, this unit of competency may form part of accreditation, licensing, legislative, regulatory or certification requirements.
Notes
Elements and Performance Criteria
1 Identify installation requirements.
  • 1.1 Access, read and determine installation requirements from job plans and specifications, relevant Australian Standards, codes, manufacturer’s specifications and jurisdictional requirements.
  • 1.2 Identify and apply workplace policies and procedures, work health and safety (WHS) and environmental requirements.
  • 1.3 Plan and draw the layout of a sanitary drainage system.
2 Prepare for work.
  • 2.1 Create a materials list and collect materials.
  • 2.2 Select appropriate tools and equipment including personal protective equipment (PPE).
3 Install sanitary drainage.
  • 3.1 Establish and set out fixture locations, levels and heights to align with existing or new connection points.
  • 3.2 Excavate trench to specified depth and grade using manual tools and equipment or mechanical means.
  • 3.3 Fabricate and install sanitary drainage pipework, connecting to a new or existing system and test installation.
  • 3.4 Prepare an as constructed drawing.
4 Clean up.
  • 4.1 Clear the work area, and dispose of, reuse or recycle materials in accordance with state and territory legislation and workplace policies and procedures.
  • 4.2 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
WF863 CPCPDR3022A Install below ground sanitary drainage systems Unit of competency
WF862 CPCPDR3021A Plan layout of a residential sanitary drainage system Unit of competency
State Code National Code Title Type
BGB4 CPC20720 Certificate II in Drainage Qualification
BGW61 52915WA Course in Migrant Plumbing Accredited course
BGC2 CPC32420 Certificate III in Plumbing Qualification