Elements and Performance Criteria
- Plan and prepare
- Access, interpret and apply compliance documentation relevant to the work activity
- Obtain and confirm safety requirements from the site safety plan and organisational policies and procedures, and apply to the allotted task
- Identify, obtain and implement signage requirements from the project traffic management plan
- Select plant, tools and equipment to carry out tasks consistent with the requirements of the job, check for serviceability and rectify or report any faults
- Identify environmental protection requirements from the project environmental management plan, and confirm and apply to the allotted task
- Prepare tunnel face for concrete/shotcrete
- Install rock anchors and/or bolts to designed locations in accordance with structural drawings and specifications/directions
- Prepare reinforcing mesh in accordance with tunnel shape and designed lining, where specified
- Locate and secure reinforcing mesh in place
- Fix dowles to wall face to provide depth gauge to thickness of concrete/shotcrete according to engineer's specifications or directions
- Install drainage to the tunnel roof and walls where specified
- Line/shotcrete tunnel face
- Set up pump, pipelines and spray equipment and check for serviceability and operation
- Control mix in accordance to specifications and job requirements
- Operate pump
- Prepare formwork and set to specifications
- Provide support to shotcreter in monitoring supply and assist with elevated platform and allied equipment
- Apply shotcrete consistently
- Clean up