Unit of competency Outline

Date retreived
22/07/2026 3:45 PM AWST

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Plan layout and install vacuum drainage systems

Plan layout and install vacuum drainage systems

Unit of competency
National Code
CPCPDR3025
State Code
OCO41
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
27/11/2020
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
35
Description
This unit specifies the skills and knowledge required to prepare for the layout and installation of sewage and waste discharge from fixtures to the point 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 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 record layout of vacuum drainage system.
2 Prepare for work.
  • 2.1 Establish fixtures and materials and calculate quantities.
  • 2.2 Create a materials list and collect materials.
  • 2.3 Select appropriate tools and equipment including personal protective equipment (PPE).
3 Install vacuum drainage.
  • 3.1 Establish and set out levels and heights to align with existing or new connection points.
  • 3.2 Perform installation of above ground vacuum drainage pipes in accordance with AS/NZS 3500.2 Plumbing and drainage – Sanitary plumbing and drainage.
  • 3.3 Excavate trench to specified depth and grade using manual tools and equipment or mechanical means.
  • 3.4 Compact and fill trench base to determined height.
  • 3.5 Measure, cut and install vacuum drainage pipework.
  • 3.6 Connect to new or existing system.
  • 3.7 Check and test installation.
  • 3.8 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 reporting any damage, store and secure.
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State Code National Code Title Type
BGB3 CPC50620 Diploma of Hydraulic Services Design Qualification
BGC2 CPC32420 Certificate III in Plumbing Qualification