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Elements and Performance Criteria

1. Measure irrigation system performance
   • Measure and record system pressures, water flow rates and pump performance parameters
   • Measure variations in system pressures, water flow rates and pump performance parameters where relevant and record
   • Inspect distribution and delivery systems and identify and fix malfunctions in system and record actions
   • Identify and record factors external to the system that may cause interference
2. Monitor supply of equipment and spare parts
   • Record supply and part usage
   • Monitor spare parts to ensure the supply meets demands
   • Make purchases within budget constraints
   • Report parts requirements outside of budget constraints
   • Record purchases and orders
3. Record and report system performance status
   • Record system pressures and variations
   • Record system flow rates and variations
   • Calculate and record distribution uniformity and mean application rates
   • Determine and record watering depth

Range Statement

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Performance Evidence

The candidate must be assessed on their ability to integrate and apply the performance requirements of this unit in a workplace setting. Performance must be demonstrated consistently over time and in a suitable range of contexts.

The candidate must provide evidence that they can:

access and prepare data records for both print-based and computer-based data

apply measuring and testing techniques

calculate pressure differentials, flow rates, crop yields, estimated water usage and actual water usage

identify adverse environmental impacts of irrigation activities and take appropriate remedial action

use computers to record and report data

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Knowledge Evidence

The candidate must demonstrate knowledge of:

environmental impacts of irrigation, using water from any ground or underground source

measuring and monitoring procedures for factors contributing to irrigation system delivery

soil water retention testing techniques

water authority standards and procedures

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