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Unit of competency details

AHCIRG445 - Manage surface irrigation systems (Release 1)

Summary

Usage recommendation:
Current
Mapping:
MappingNotesDate
Supersedes and is equivalent to AHCIRG434 - Manage surface irrigation systemsPerformance criteria clarified. Foundation skills added. Assessment requirements updated. 20/Oct/2019

Release Status:
Current
Releases:
ReleaseRelease date
1 1 (this release) 21/Oct/2019

Companion volumes:
Unit of competency Assessment requirements

Delivery:
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Training packages that include this unit

Qualifications that include this unit

Classifications

SchemeCodeClassification value
ASCED Module/Unit of Competency Field of Education Identifier 059999 Agriculture, Environmental And Related Studies, N.e.c.  

Classification history

SchemeCodeClassification valueStart dateEnd date
ASCED Module/Unit of Competency Field of Education Identifier 059999 Agriculture, Environmental And Related Studies, N.e.c.  21/Oct/2019 
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Unit of competency

Modification History

Release

Comments

Release 1

This version released with AHC Agriculture, Horticulture, Conservation and Land Management Training Package Version 4.0.

Application

This unit of competency describes the skills and knowledge required to prepare a surface irrigation system for operation, develop and implement start-up, shutdown and isolation procedures, trouble shoot for faults and blockages, and measure and review surface irrigation system performance.

The unit applies to individuals who apply specialised skills and knowledge to the management of surface irrigation systems and have responsibility for the output of others. This includes applying and communicating non-routine technical solutions to predictable and unpredictable problems.

No licensing, legislative or certification requirements apply to this unit at the time of publication.

Pre-requisite Unit

Nil

Unit Sector

Irrigation (IRG)

Elements and Performance Criteria

Elements

Performance Criteria

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1.Prepare surface irrigation system for operation

1.1 Assess staff training needs for carrying out pre-start checks and routine servicing and arrange training for those that require it

1.2 Program or adjust the irrigation controller to meet the required schedule

1.3 Develop procedures for adjusting valves and checking outlets

2. Develop and implement start-up and shut down procedures for a surface irrigation system

2.1 Develop start-up procedures for the system

2.2 Provide training in priming pumps and setting gates to commence irrigating

2.3 Develop shut down sequence and isolation procedures

2.4 Specify soil conditions for operation and maintain tracks to reduce compaction

3. Measure performance of a surface irrigation system

3.1 Identify and record variations in pressures at the head works and control valves

3.2 Measure and record water flow rates according to workplace procedures

3.3 Identify and record variations in water flow and distribution

3.4 Measure and record pump performance parameters as necessary

3.5 Measure and record variations in pump performance parameters where relevant

3.6 Inspect distribution, drainage and water measurement systems

3.7 Identify and repair system malfunctions and record actions

3.8 Identify and record factors external to the system that may cause interference

4. Review system performance status

4.1 Record system pressures and variations

4.2 Record system flow rates and variations

4.3 Calculate and record distribution uniformity and mean application rates

4.4 Determine and record watering depth

4.5 Measure quantity and quality of tail water, and amount of reused water

4.6 Calculate and compare energy use and water efficiency to industry benchmarks

Foundation Skills

This section describes those language, literacy, numeracy and employment skills that are essential for performance in this unit of competency but are not explicit in the performance criteria.

Skill

Description

Reading
  • Identify and interpret information regarding managing surface irrigation systems

Navigate the world of work
  • Identify and describe own workplace requirements, including safety requirements, associated with own role and area of responsibility

Unit Mapping Information

Code and title current version

Code and title previous version

Comments

Equivalence status

AHCIRG445 Manage surface irrigation systems

AHCIRG434 Manage surface irrigation systems

Performance criteria clarified

Foundation skills added

Assessment requirements updated

Equivalent unit

Links

Companion Volumes, including Implementation Guides, are available at VETNet: - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=c6399549-9c62-4a5e-bf1a-524b2322cf72

 

Assessment requirements

Modification History

Release

Comments

Release 1

This version released with AHC Agriculture, Horticulture, Conservation and Land Management Training Package Version 4.0.

Performance Evidence

An individual demonstrating competency must satisfy all of the elements and performance criteria in this unit. There must be evidence that the individual has managed the operations of a surface irrigation system on at least two occasions and has:

  • developed procedures and provided staff training to:
  • perform running repairs on irrigation delivery and drainage systems
  • carry out shut down procedures
  • check pressure at the head works and control valves
  • set up pipes, system equipment and outlets
  • use siphons
  • developed procedures for surface irrigation system start up, shutdown and operational checks
  • identified and recorded variations in water flow and distribution
  • measured and recorded water flow rates.

Knowledge Evidence

An individual must be able to demonstrate the knowledge required to perform the tasks outlined in the elements and performance criteria of this unit. This includes knowledge of:

  • principles and practices of surface irrigation management
  • main components of surface irrigation systems
  • water in soils and plants
  • pump types used in surface irrigation systems their operation and operating requirements
  • physical soil characteristics such as infiltration rate, water holding capacity and wetted volume in the root zone
  • soil moisture testing techniques
  • set up of headwater, tail water, channels and beds
  • critical measures for moisture availability, including:
  • evapotranspiration
  • field capacity
  • infiltration rates
  • readily available water
  • water holding capacity
  • wilting point
  • calculating irrigation efficiency using records to review an irrigation system.

Assessment Conditions

Assessment of skills must take place under the following conditions:

  • physical conditions:
  • a workplace setting or an environment that accurately represents workplace conditions
  • resources, equipment and materials:
  • surface irrigation system equipment and tools
  • surface irrigation system measuring, and recording equipment and manual
  • specifications:
  • industry energy and water efficiency benchmarks
  • timeframes:
  • according to the job requirements
  • relationships
  • staff interactions.

Assessors of this unit must satisfy the requirements for assessors in applicable vocational education and training legislation, frameworks and/or standards.

Links

Companion Volumes, including Implementation Guides, are available at VETNet: - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=c6399549-9c62-4a5e-bf1a-524b2322cf72

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