Construct, assemble and install timber external stairs

Unit of competency Outline

Date retreived
22/07/2026 6:12 AM AWST

Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.

Unit of competency

National Code
CPCCCA3016

State Code
OCR06

TGA Status
Current

DTWD Status
Approved

Current Release Number
2.00

Current Release Date
24/12/2024

View on TGA

State Implementation and Classification

Approved Date

01/06/2021

Field of Education

040311 - Carpentry And Joinery

Original Release Date

01/06/2021

Nominal Hours

Description

This unit of competency specifies the skills and knowledge required to construct, assemble and install timber external stairs of one or more flights to provide access into a building or structure, meeting all relevant requirements of the National Construction Code (NCC), Australian Standards, work health and safety (WHS), and Commonwealth and state or territory legislation. The unit includes external stairs:installed from ground level to a landingconstructed with open risers and with housed strings or metal brackets to accommodate treadsfreestanding or installed against an existing wall incorporating timber treads, stringers and balustrading.Completion of the general construction induction training program specified by the model Code of Practice for Construction Work is required for any person who is to carry out construction work. Achievement of CPCWHS1001Prepare to work safely in the construction industry meets this requirement.No licensing, legislative or certification requirements apply to this unit at the time of publication.

Notes

Elements and Performance Criteria

1 Plan and prepare.

1.1 Read and interpret work instructions and plan sequence of work.
1.2 Plan 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.
1.3 Select tools and equipment, check for serviceability and report any faults.
1.4 Select and use personal protective equipment (PPE) for each part of the task.
1.5 Inspect work site, locate services, assess hazards and apply risk controls, including required signage and barricades.
1.6 Select materials required for task, calculate quantities, handle safely and prepare and position ready for use.

2 Set out stair components.

2.1 Determine exit and ground finish levels from site drawings and location.
2.2 Calculate rise and going of stairs.
2.3 Set out newel posts to layout of designed stairs.
2.4 Set out risers and goings to regulated pitch of stairs on stringers.
2.5 House stringers to accommodate treads or fix metal brackets to support treads.
2.6 Set out and cut material for treads to length.

3 Assemble and install stairs.

3.1 Cut stringers and attach into newel posts and landings.
3.2 Fix treads to stringers.
3.3 Locate and secure bolts to maintain stair width.
3.4 Fix bracing and lateral ties to newels to maintain rigidity of stair structure.

4 Fit handrails, balustrade and finish.

4.1 Mark material for handrails and balusters and cut to length.
4.2 Fit and fix handrails and balusters.
4.3 Install non-slip finish to treads.

5 Clean up.

5.1 Clean up, meeting all legislative and workplace requirements for safety, waste disposal, materials handling and protection of the environment.
5.2 Check, maintain and store tools and equipment and report any faults.

No information

Replaces

State Code	National Code	Title	Type
W9355	CPCCCA3016A	Construct timber external stairs	Unit of competency

State Code	National Code	Title	Type
BGB8	CPC30220	Certificate III in Carpentry	Qualification
BGD6	CPC31920	Certificate III in Joinery	Qualification