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CPCPRF4011 — Design and size roof drainage systems

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What an assessment for CPCPRF4011 must cover

16 assessable components: 2 elements (6 performance criteria), 1 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 roof drainage system requirements.

  • 1.1Access, read and determine design and size of roof drainage system from plans, job specifications, relevant Australian Standards, codes, manufacturers’ instructions and jurisdictional requirements.
  • 1.2Identify and apply workplace, work health and safety (WHS) and environmental requirements.

2 Design and size system layout.

  • 2.1Design and size system layout in accordance with relevant manufacturers’ instructions, Australian Standards and jurisdictional requirements.
  • 2.2Determine roof catchment areas and design flows from rainfall data and current Australian standards.
  • 2.3Determine quantity and size of gutters, sumps, rain heads, overflows and downpipes.
  • 2.4Produce final roof drainage system layout plans according to relevant drawing design standards.

Performance evidence

  • designing, sizing and documenting the layout of a roof drainage system including overflows for two varied roof types: one incorporating eaves gutter for a residential (Class 1) building, and one for a commercial (Class 6) building incorporating a box gutter and sumps or rain heads.

Knowledge evidence

  • relevant information sources for designing and sizing roof drainage systems
  • processes for calculating catchment areas and design flows
  • quantity and size of gutters, sumps, rain heads and downpipes determined according to relevant Australian Standards, plans and specifications
  • environmental requirements and sustainability principles including efficient design principles
  • drawing instruments and sketching techniques, including the use of conventional symbols
  • use of computers and computer-aided design (CAD) software for documentation
  • how to access relevant information, including codes and standards
  • tools, materials and equipment used to design, size and document the layout of roof drainage systems
  • work health and safety (WHS) requirements for designing, sizing and documenting the layout of roof 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 CPCPRF4011

What does an assessment tool for CPCPRF4011 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for CPCPRF4011 needs to address all 16 unit components: 2 elements with 6 performance criteria, 1 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 CPCPRF4011?

Auditori pulls the current release of CPCPRF4011 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 CPCPRF4011 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing CPCPRF4011 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 CPCPRF4011, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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