Elements and Performance Criteria
- Plan and prepare.
- Work instructions and relevant information, including plans, specifications, quality requirements and operational details relevant to the tasks, are obtained, confirmed and applied to the allotted task.
- Safety (OHS) requirements are obtained from the site safety plan and organisational policies and procedures, confirmed and applied to the allotted task.
- Signage requirements are identified and obtained from project traffic management plan and traffic conditions and are implemented.
- Plant, tools and equipment selected to carry out tasks are consistent with requirements of the job, are checked for serviceability and any faults are rectified or reported.
- Environmental requirements are identified from project environmental management plan, confirmed and applied to the allotted task.
- Set out and excavate.
- Work area and materials are prepared to support efficient installation of the pipe work.
- Dewatering requirements are determined and applied.
- Location, alignment direction, level and grade of mains pipe system are determined from job drawings and specifications.
- Works are set out to specification.
- Plant operator is advised of excavation requirements and levels are monitored.
- Mains pipe system support mechanism is installed in accordance with plans, specifications and standards in compliance with statutory and regulatory authority requirements.
- Install mains pipeline.
- Pipes are lowered and placed in position according to design specifications of mains pipe system.
- Pipes are joined in accordance with manufacturer specifications using pipe joining methods.
- Pipes are placed and fittings, valves and flow control devices are fitted in accordance with drawings, specifications and installation procedures.
- Alignment level and grade are checked continuously for conformance with design plans and specifications.
- Side support or overlay is positioned beside the pipes.
- Mains pipe system support structure is checked.
- Backfill procedure is monitored to ensure work is completed to specification, where specified.
- Valve chambers
- Test mains pipe system.
- Clean up.