Elements and Performance Criteria
- Prepare for work.
- Plans and specifications are obtained.
- Safety (OHS) requirements associated with setting out, installing and commissioning irrigation systems, and workplace environmental requirements, are adhered to throughout the work.
- Quality assurance requirements are identified and adhered to in accordance with workplace requirements.
- Tasks are planned and sequenced in conjunction with others involved in or affected by the work and statutory and regulatory authority requirements.
- Tools and equipment for setting out, installing and commissioning irrigation systems, including personal protective equipment, are selected and checked for serviceability.
- Work area is prepared to support efficient setting out, installation and commissioning of irrigation systems.
- Identify installation requirements.
- Irrigation system requirements are identified from plans, specifications and relevant information.
- Underground cables, pipes and other existing services are located and allowed for.
- Flow rate is correctly measured from water meter or other available source.
- Water pressure (static head) is determined at source of supply.
- Piping and system components are selected to comply with standards, plans and specifications.
- Materials and equipment are identified, ordered and collected in accordance with workplace procedures.
- Materials and equipment are checked for compliance with standards, docket and order form, and for acceptable condition.
- Install and commission irrigation system.
- Irrigation pipes are set out in accordance with plans, specifications and site requirements.
- Pipe trenches are excavated in accordance with plans and specifications.
- Pipe system is installed in accordance with plans, specifications, site requirements, manufacturer recommendations and standards.
- Pipelines are flushed of air and foreign matter to installation standard.
- Backflow prevention device is installed in accordance with standards.
- Water emitters are installed and adjusted to produce required spray pattern.
- Control valves are installed, operated and adjusted to achieve specified flow rate.
- Installation is tested to comply with standards and authorities' requirements, and is adjusted.
- Trenches are backfilled in accordance with plans and specifications and ground surface is reinstated.
- Clean up.
- Work area is cleared and materials disposed of or recycled in accordance with state and territory legislation and workplace procedures.
- Tools and equipment are cleaned, checked, maintained and stored in accordance with manufacturer recommendations and workplace procedures.
- Documentation is completed in accordance with workplace requirements.