Elements and Performance Criteria
- Plan and prepare.
- Work instructions, including plans, specifications, quality requirements and operational details, are obtained, confirmed and applied from relevant information for planning and preparation purposes.
- Safety (OHS) requirements are followed in accordance with safety plans and policies.
- Signage and barricade requirements are identified and implemented.
- Plant, tools and equipment selected to carry out tasks are consistent with job requirements, checked for serviceability, and any faults are rectified or reported prior to commencement.
- Material quantity requirements are calculated in accordance with plans, specifications and quality requirements.
- Materials appropriate to the work application are identified, obtained, prepared, safely handled and located ready for use.
- Environmental requirements are identified for the project in accordance with environmental plans and statutory and regulatory authority obligations, and are applied.
- Erect roof trusses.
- Location of roof trusses for hip and valley roofs are set out on wall top plates to plan layout and specifications.
- Steel frames are temporarily earthed during erection and are connected to permanent earthing system upon completion.
- Roof trusses are erected and fixed, including temporary bracing, to set out positions in correct sequence to line at apex and plumb.
- Top chord is installed above wall plate to be constant height above wall plate.
- Ceiling trimming and creeper rafter members are fixed to specifications.
- Bottom chord of truss is used to provide lateral support for internal walls.
- Roof bracing is provided through hip construction, valley construction, diagonal metal tension or timber bracing or a combination of these, and fixed to specification.
- Lateral restraints to truss chords are fixed in position to manufacturer specifications.
- Clean up.
- Work area is cleared and materials disposed of, reused or recycled in accordance with legislation, regulations, codes of practice and job specification.
- Plant, tools and equipment are cleaned, checked, maintained and stored in accordance with manufacturer recommendations and standard work practices.