Modification History
Not applicable.
Unit Descriptor
This Unit covers the process of managing a surface irrigation system and defines the standard required to: develop procedures for system operation; troubleshoot faults and blockages; measure performance of the system; and benchmark energy use and water efficiency of the system.
Application of the Unit
This Unit applies to irrigation managers of irrigation systems in the amenity horticulture and food and fibre production industries.
Licensing/Regulatory Information
Not applicable.
Pre-Requisites
Not applicable.
Employability Skills Information
This Unit contains employability skills.
Elements and Performance Criteria Pre-Content
Elements describe the essential outcomes of a Unit of Competency. |
Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the required skills and knowledge section and the range statement. Assessment of performance is to be consistent with the evidence guide. |
Elements and Performance Criteria
ELEMENT |
PERFORMANCE CRITERIA |
1 Ensure the surface irrigation system is prepared for operation |
1.1 Staff are trained in carrying out pre-start checks and routine servicing 1.2 The irrigation controller is programmed and/or adjusted to meet the required schedule 1.3 Procedures are established for adjusting valves and checking filters and emitters |
2 Develop and implement start-up and shutdown procedures for a surface irrigation system |
2.1 Start-up procedures for a sprinkler irrigation system are developed according to system specifications and technical manuals 2.2 Training is provided in priming pumps and setting gates to commence irrigating 2.3 Shut down sequence and isolation procedures are developed according to system specifications and technical manuals 2.4 Soil conditions for operation are specified, or tracks maintained, to reduce compaction |
3 Measure performance of a surface irrigation system |
3.1 Variations in pressures at the headworks and control valves are recorded in accordance with enterprise policy and procedures 3.2 Water flow rates are measured and recorded in accordance with enterprise policy and procedures 3.3 Variations in water flow and distribution are identified and recorded in accordance with enterprise policy and procedures 3.4 Pump performance parameters are measured as necessary and recorded in accordance with enterprise policy and procedures 3.5 Variations in pump performance parameters are measured where relevant and recorded in accordance with enterprise policy and procedures 3.6 Distribution, drainage and water measurement systems are inspected and malfunctions in system are identified, fixed and actions recorded in accordance with enterprise policy and procedures 3.7 Factors external to the system that may cause interference are identified and recorded in accordance with enterprise policy and procedures |
4 Review system performance status |
4.1 System pressures and variations are recorded in accordance with enterprise policy and procedures 4.2 System flow rates and variations are recorded in accordance with enterprise policy and procedures 4.3 Distribution uniformity and mean application rates are calculated and recorded in accordance with enterprise policy and procedures 4.4 Watering depth is determined and recorded in accordance with enterprise policy and procedures 4.5 Quantity and quality of tailwater are measured, and amount of water reused 4.6 Calculations are made for energy use and water efficiency and compared to industry benchmarks |
Required Skills and Knowledge
This section describes the skills and knowledge required for this Unit.
Required skills include: |
Ability to:
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Required knowledge includes: |
Knowledge of:
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Evidence Guide
The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package. |
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Overview of assessment |
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Critical aspects for assessment and evidence required to demonstrate competency in this Unit |
The evidence required to demonstrate competency in this Unit must be relevant to workplace operations and satisfy holistically all of the requirements of the performance criteria and required skills and knowledge and include achievement of the following:
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Context of and specific resources for assessment |
Competency requires the application of work practices under work conditions. Selection and use of resources for some worksites may differ due to the regional or enterprise circumstances. |
Range Statement
The range statement relates to the Unit of Competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included. |
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Surface irrigation systems may include: |
any systems that apply water across the surface of a levelled or contoured area. These include furrow, border and basin irrigation. |
Unit Sector(s)
Irrigation