CPCPDR4013 — Design and size domestic treatment plant disposal systems
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What an assessment for CPCPDR4013 must cover
19 assessable components: 2 elements (6 performance criteria), 1 performance evidence and 12 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 system requirements.
- 1.1Access, read and determine design requirements from plans, specifications, relevant manufacturer’s requirements, Australian Standards and jurisdictional requirements.
- 1.2Identify and apply workplace policies and procedures, work health and safety (WHS) and environmental requirements.
- 1.3Obtain and confirm information for a suitable location for the land application area, reserve area and onsite land application of effluent.
2 Design system layout.
- 2.1Develop and size system layout in accordance with relevant manufacturer’s requirements, Australian standards and jurisdictional requirements.
- 2.2Use the proposed design to identify and specify optimal materials required.
- 2.3Produce final system layout plans to relevant drawing design standards.
Performance evidence
- designing, sizing and documenting the layout of a treatment plant disposal system for a residential design that comprises a dwelling (Class 1a), including details of: treatment plant, disposal field, relationship of the above to any buildings, property boundaries, easements and other structures.
Knowledge evidence
- design concepts and performance measures for domestic treatment plant disposal systems
- principles of the assessment of land capability for application of effluent
- principles, techniques and characteristics of effluent treatment and disposal, including the purpose of anaerobic bacteria
- properties and characteristics of landscape application areas
- site characteristics that may influence planning: contour, reduced and invert levels, type of system chosen, soil category, design loading rates (DLR), long term acceptance rate (LTAR), number of people the system is to cater for
- identifying scope of work by waste processing method: absorption by absorption trenches or transpiration beds, disposal by absorption, spray or recycling, anaerobic or aerobic action
- drawing instruments and sketching techniques, including the use of conventional symbols
- use of computers for documentation
- computer-aided design (CAD) software
- how to access relevant information, including codes and standards
- tools, materials and equipment used to design, size and document the layout of domestic treatment plant disposal systems
- work health and safety (WHS) requirements for designing, sizing and documenting the layout of domestic treatment plant disposal 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 CPCPDR4013
What does an assessment tool for CPCPDR4013 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for CPCPDR4013 needs to address all 19 unit components: 2 elements with 6 performance criteria, 1 performance evidence requirements, 12 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 CPCPDR4013?
Auditori pulls the current release of CPCPDR4013 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 CPCPDR4013 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing CPCPDR4013 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 CPCPDR4013, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
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