CPCPDR3025 — Plan layout and install vacuum drainage systems
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What an assessment for CPCPDR3025 must cover
32 assessable components: 4 elements (16 performance criteria), 6 performance evidence and 9 knowledge evidence requirements, plus 1 foundation skills. 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 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 record layout of vacuum drainage system.
2 Prepare for work.
- 2.1Establish fixtures and materials and calculate quantities.
- 2.2Create a materials list and collect materials.
- 2.3Select appropriate tools and equipment including personal protective equipment (PPE).
3 Install vacuum drainage.
- 3.1Establish and set out levels and heights to align with existing or new connection points.
- 3.2Perform installation of above ground vacuum drainage pipes in accordance with AS/NZS 3500.2 Plumbing and drainage – Sanitary plumbing and drainage.
- 3.3Excavate trench to specified depth and grade using manual tools and equipment or mechanical means.
- 3.4Compact and fill trench base to determined height.
- 3.5Measure, cut and install vacuum drainage pipework.
- 3.6Connect to new or existing system.
- 3.7Check and test installation.
- 3.8Prepare 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 reporting any damage, store and secure.
Performance evidence
- preparing an as constructed drawing to jurisdictional requirements
- planning and installing a vacuum drainage system with a minimum drain length of 3 metres vertical and 5 metres horizontal to connect a: vacuum water closet (VWC) pan, buffer, both gravity drainage inlet and vacuum waste outlet, vacuum automatic interface unit (VAIU), vacuum main pipeline to a vacuum station
- cutting in a branch to an existing drain connecting a new VWC pan and another buffer
- joining two branches together
- fabricating a vacuum reforming pocket both open and closed
- All installations must comply with and support fixings of pipe works.
Knowledge evidence
- terminology relating to the installation of below- and above-ground vacuum drainage systems
- principles of vacuum drainage design, working drawings conventions, symbols and abbreviations
- trench support where applicable
- inspection openings
- approved materials, their characteristics and application for the installation of below- and above-ground vacuum drainage systems
- processes, procedures and techniques for the installation of below- and above-ground vacuum drainage systems, including testing
- how to access relevant information, including codes and standards
- tools, materials and equipment used to plan the layout and installation of below- and above-ground vacuum drainage systems
- work health and safety (WHS) requirements for planning the layout and installation of below- and above-ground vacuum drainage systems
Foundation skills
- Foundation Skills: Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.
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.
See what you get before you start
Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:
Questions about assessing CPCPDR3025
What does an assessment tool for CPCPDR3025 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for CPCPDR3025 needs to address all 32 unit components: 4 elements with 16 performance criteria, 6 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 CPCPDR3025?
Auditori pulls the current release of CPCPDR3025 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 CPCPDR3025 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing CPCPDR3025 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 CPCPDR3025, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
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