Elements and Performance Criteria
- Prepare mould for casting
- Assemble reinforcement cage
- Lift preassembled reinforcing sections into mould using good occupational health and safety (OHS) practice
- Assemble additional steel to complete cage to drawings and job specification
- Fit additional items, such as base plates, tie plates and lifting devices, according to work instructions
- Fit hold-ups and hold-downs as appropriate
- Place voids or ducts according to work specifications
- Run prestressing strands through reinforcing cages as required
- Set up guards and comply with OHS requirements for stressing
- Tension strands to extension dimensions and/or gauge readings according to works or engineer instructions
- Recheck reinforcing cage is in correct position and adjust as necessary
- Close mould and test vibrators
- Pour concrete
- Control concrete quality
- Cure product
- Strip and store product
- Test samples to ensure specific strength has been achieved
- Remove mould sides and store ready for cleaning
- If applicable, de-stress in accordance with work procedures and sequences
- Ensure unit is lifted according to work instructions and moved to store, supported only on points designated on the drawings
- Respond to problems
- Control hazards