Unit of competency Outline

Date retreived
22/07/2026 10:48 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.

Erect roof trusses

Erect roof trusses

Unit of competency
National Code
CPCCCA3006
State Code
OCQ98
TGA Status
Current
DTWD Status
Approved
Current Release Number
3.00
Current Release Date
24/12/2024
State Implementation and Classification
Approved Date
01/06/2021
Field of Education
040311 - Carpentry And Joinery
Original Release Date
01/06/2021
Nominal Hours
40
Description
This unit of competency specifies the skills and knowledge required to select, set out, erect and brace timber and steel roof trusses in preparation for the installation of waterproof roof coverings, meeting all relevant requirements of the National Construction Code (NCC), Australian Standards, National Association of Steel-framed Housing (NASH) Standards, work health and safety (WHS), and Commonwealth and state or territory legislation. The unit includes erection of manufactured roof trusses in accordance with AS 4440 Installation of nail-plated timber roof trusses.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 Identify materials required from truss layout plan, including fasteners and steel brackets, calculate quantities, handle safely and prepare and position ready for use.
2 Erect roof trusses.
  • 2.1 Set out location of roof trusses on top plates to truss layout plan.
  • 2.2 Manage lifting and handling of materials, including lifting trusses and stacking loads on wall frames ready for use.
  • 2.3 Erect, plumb and fix roof trusses to set out positions in correct sequence to align at apex.
  • 2.4 Install bottom chord at constant height above internal wall plates and use to provide lateral support for internal walls.
  • 2.5 Fix ceiling trimming and creeper trusses.
  • 2.6 Construct and fix roof bracing following AS 4440 Installation of nail-plated timber roof trusses and National Association of Steel-framed Housing (NASH) Standards.
  • 2.7 Fix lateral restraints to truss chords in position to manufacturers’ specifications.
  • 2.8 Install roof and internal wall bracing connections, including tie downs, for wind load following manufacturers’ guidelines and AS 4440 and NASH.
3 Clean up.
  • 3.1 Clean up, meeting all legislative and workplace requirements for safety, waste disposal and materials handling.
  • 3.2 Check, maintain and store tools and equipment and report any faults.
No information
No information
Replaces
State Code National Code Title Type
WE977 CPCCCA3006B Erect roof trusses Unit of competency
State Code National Code Title Type
BGB8 CPC30220 Certificate III in Carpentry Qualification
BGD6 CPC31920 Certificate III in Joinery Qualification