CPCCJS3005Manufacture stair components for curved and geometric stairs

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What an assessment for CPCCJS3005 must cover

41 assessable components: 9 elements (29 performance criteria), 1 performance evidence and 11 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 Plan and prepare.

  • 1.1Read and interpret work instructions and plan sequence of work.
  • 1.2Plan all work to comply with laws and regulations, the National Construction Code (NCC), Australian Standards, work health and safety (WHS) and environmental requirements, manufacturers’ specifications, workplace requirements, drawings and specifications.
  • 1.3Select tools and equipment, check for serviceability and report any faults.
  • 1.4Select and use personal protective equipment (PPE) for each part of the task.
  • 1.5Inspect work site, locate services, assess hazards and apply risk controls, including required signage and barricades.
  • 1.6Select materials required for task, calculate quantities, handle safely and prepare and position ready for use.

2 Manufacture stringers for geometric curves.

  • 2.1Prepare material to designed structural requirements.
  • 2.2Construct curved wall or profile to curve design of stair.
  • 2.3Set out developed pitch to curved wall or profile location.
  • 2.4Manufacture and set out stringer to curved wall measurements and specifications.

3 Prepare stringers for assembly.

  • 3.1Set out closed stringer for treads and risers with nosing marked accurately, housings cut to set out and depth.
  • 3.2Prepare grooves or mortises to receive balusters.
  • 3.3Prepare cut stringer to set-out shape and mark to accommodate treads and risers and junction with newel posts or landing.

4 Set out and manufacture post for spiral stairs.

  • 4.1Set out spiral stairs to specifications.
  • 4.2Manufacture or dress post to designed shape and set out to designed requirements of stair.
  • 4.3Cut and make housings accurately to set-out and required depth.

5 Prepare newel posts for assembly.

  • 5.1Cut and make housings to newel set out and required depth.
  • 5.2Cut and make mortises to set out and required depth, and mark newel posts for identification.

6 Cut treads, risers and wedges to length and shape.

  • 6.1Cut treads to designed length and shape.
  • 6.2Cut risers to designed shape, length and requirement for junction with stringer.
  • 6.3Mark wedges to design and cut to shape and quantity.

7 Prepare balustrade components.

  • 7.1Manufacture handrail with groove run and mortises for balusters made to set out.
  • 7.2Cut balusters to designed length.
  • 7.3Cut handrail length and mark sections for identification.

8 Finish surface and preassemble stair.

  • 8.1Sand exposed surfaces of components to specification and check components for fit.
  • 8.2Preassemble components to ensure stair will assemble appropriately.
  • 8.3Disassemble components and stack for transportation.

9 Clean up.

  • 9.1Clean up, meeting all legislative and workplace requirements for safety, waste disposal and materials handling.
  • 9.2Check, maintain and store tools and equipment and report any faults.

Performance evidence

  • To demonstrate competency, a candidate must meet the performance criteria of this unit by manufacturing: components for a set of geometric stairs, one side with a cut stringer and one side with a closed stringer, with a minimum height of one metre and including: balusters, glue blocks, newel posts, nosings, risers, stringers, treads, wedges, a central post for a spiral stair.

Knowledge evidence

  • compliance requirements of the National Construction Code and Australian Standards relevant to manufacturing components for curved and geometric stairs
  • workplace quality policies and standards for manufacturing components for curved and geometric stairs
  • safety requirements for manufacturing components for curved and geometric stairs
  • commonly-used stair construction and joining methods
  • processes for interpreting drawings and specifications for manufacturing components for curved and geometric stairs
  • material identification marking systems for manufacturing components for curved and geometric stairs
  • processes for measuring and setting out applicable to curved stair construction
  • types and characteristics of different curved stair designs: curved, spiral, geometric, cut and closed stringers, open and closed risers
  • types of materials and their characteristics relating to stair construction
  • range, types and limitations of different static machines used in the manufacture of components for curved and geometric stairs
  • types and uses of tools and equipment for manufacturing components for curved and geometric stairs.

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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Questions about assessing CPCCJS3005

What does an assessment tool for CPCCJS3005 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for CPCCJS3005 needs to address all 41 unit components: 9 elements with 29 performance criteria, 1 performance evidence requirements, 11 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 CPCCJS3005?

Auditori pulls the current release of CPCCJS3005 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 CPCCJS3005 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing CPCCJS3005 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 CPCCJS3005, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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