Elements and Performance Criteria
- Plan and prepare to line tunnel
- Access, interpret and apply tunnel lining documentation and ensure the work activity is compliant
- Obtain, interpret, clarify and confirm work instructions before proceeding
- Identify, obtain and implement the traffic signage requirements
- Select and wear personal protective equipment appropriate for work activities
- Select and check for faults plant, tools and equipment to carry out tasks
- Identify, address and report environmental issues, potential hazards and risks
- Obtain and interpret emergency procedures, and be prepared for fire/accident/emergency
- Prepare tunnel face for concrete/shotcrete
- Install rock anchors and/or bolts to designed locations
- Prepare reinforcing mesh in accordance with tunnel shape and designed lining, where specified
- Locate and secure reinforcing mesh in place
- Fix dowels to wall face to provide depth gauge to thickness of concrete/shotcrete
- 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
- Prepare and control shotcrete mix
- 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
- Plan and prepare to line tunnel
- Access, interpret and apply tunnel lining documentation and ensure the work activity is compliant
- Obtain, interpret, clarify and confirm work instructions before proceeding
- Identify, obtain and implement the traffic signage requirements
- Select and wear personal protective equipment appropriate for work activities
- Select and check for faults plant, tools and equipment to carry out tasks
- Identify, address and report environmental issues, potential hazards and risks
- Obtain and interpret emergency procedures, and be prepared for fire/accident/emergency
- Prepare tunnel face for concrete/shotcrete
- Install rock anchors and/or bolts to designed locations
- Prepare reinforcing mesh in accordance with tunnel shape and designed lining, where specified
- Locate and secure reinforcing mesh in place
- Fix dowels to wall face to provide depth gauge to thickness of concrete/shotcrete
- 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
- Prepare and control shotcrete mix
- 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
- Clear work area and dispose of or recycle materials
- Clean, check, maintain and store plant, tools and equipment
- Carry out housekeeping activities