CPCPDR3021 — Plan layout and install below ground sanitary drainage systems
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What an assessment for CPCPDR3021 must cover
23 assessable components: 4 elements (11 performance criteria), 3 performance evidence and 9 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.
Elements & performance criteria
1 Identify installation requirements.
- 1.1Access, read and determine installation requirements from job plans and specifications, relevant Australian Standards, codes, manufacturer’s specifications and jurisdictional requirements.
- 1.2Identify and apply workplace policies and procedures, work health and safety (WHS) and environmental requirements.
- 1.3Plan and draw the layout of a sanitary drainage system.
2 Prepare for work.
- 2.1Create a materials list and collect materials.
- 2.2Select appropriate tools and equipment including personal protective equipment (PPE).
3 Install sanitary drainage.
- 3.1Establish and set out fixture locations, levels and heights to align with existing or new connection points.
- 3.2Excavate trench to specified depth and grade using manual tools and equipment or mechanical means.
- 3.3Fabricate and install sanitary drainage pipework, connecting to a new or existing system and test installation.
- 3.4Prepare an as constructed drawing.
4 Clean up.
- 4.1Clear the work area, and dispose of, reuse or recycle materials in accordance with state and territory legislation and workplace policies and procedures.
- 4.2Clean tools and equipment, check for serviceability and report any damage, and store and secure.
Performance evidence
- planning the layout and install a vented below-ground sanitary drainage system with a minimum length of 10 metres to connect a: bathroom group including floor waste gully with fixtures connected, WC, laundry trough, kitchen sink, soil or waste stack to a minimum of two floor levels. The system must include inspection openings and shafts and connection to an approved point of discharge, provision for an overflow relief gully or reflux valve as required, and provision for articulation in drainage for soil movement.
- testing a sanitary drainage system
- cutting in a branch to an existing drain to connect a new WC or another fixture.
Knowledge evidence
- terminology relating to the installation of below-ground sanitary drainage systems
- principles of drainage design and working drawings conventions, symbols and abbreviations
- trench support
- how to obtain, transfer and record levels and heights
- sewerage inspection chambers
- approved materials and their characteristics and application for the installation of below-ground sanitary drainage systems
- processes, procedures and techniques for the installation of below-ground sanitary draining systems, including identification of underground services and testing
- how to access relevant information, including location of underground services and codes and standards
- work health and safety (WHS) requirements for planning the layout and for installation of below-ground sanitary drainage systems.
Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.
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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:
Questions about assessing CPCPDR3021
What does an assessment tool for CPCPDR3021 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for CPCPDR3021 needs to address all 23 unit components: 4 elements with 11 performance criteria, 3 performance evidence requirements, 9 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.
How does Auditori generate an assessment tool for CPCPDR3021?
Auditori pulls the current release of CPCPDR3021 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.
Is the first assessment tool really free?
Yes. Every new account includes one free credit — enough to generate the complete assessment tool for CPCPDR3021 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing CPCPDR3021 assessment instead of generating a new one?
Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of CPCPDR3021, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
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