Elements and Performance Criteria
- Plan and prepare job
- Materials required for the job are transported to the location and stacked in a safe position.
- Tools, equipment and machinery are selected consistent with the requirements of the job.
- Quality Assurance requirements are recognised and adhered to.
- Personal Protective Equipment (PPE) is used and maintained according to procedures.
- Occupational Health and Safety (OHS) hazards are identified and safety concerns reported to the supervisor.
- Set out and excavate trenches
- Location and depths of trenches is determined from job drawings.
- Trench location is set out with pegs and string line and clearly marked with appropriate marking material.
- Manual support is provided to machine operator with excavation of trenches, shoring or battering in accordance with OHS requirements.
- Trenches are cleaned out by hand and corners left square.
- Trench depths and grades are checked for conformity to job requirements.
- Lower and position pipes
- Bedding materials are laid and consolidated to specified depths and grades.
- Pipes are installed/lowered into position with appropriate mechanical equipment according to specifications.
- Pipe joints and fittings are installed to job specification.
- Pipes are back filled to specifications and cover left level with surrounding ground.
- Clean up