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Unit of competency details

AHCIRG435 - Determine hydraulic parameters for an irrigation system (Release 1)

Summary

Usage recommendation:
Current
Mapping:
MappingNotesDate
Supersedes and is equivalent to AHCIRG402 - Determine hydraulic parameters for an irrigation systemPerformance 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

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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 determine hydraulic parameters for an irrigation system.

The unit applies to individuals who apply specialised skills and knowledge to determine hydraulic parameters for an irrigation system. 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. Confirm water delivery specifications for irrigation system

1.1 Confirm soil characteristics and determine hydraulic properties

1.2 Determine plant and crop water requirements for various stages of growth

1.3 Calculate peak water requirements for each area to be irrigated

2. Determine pressures required to deliver required amount of water over specified area

2.1 Determine static pressures between water source and delivery points

2.2 Calculate dynamic pressure necessary to achieve required water volume

3. Analyse technical drawings to determine pressure losses through system

3.1 Calculate losses resulting from fittings, laterals and elevation differences

3.2 Determine losses resulting from flow through canals, culverts and pipes of varying sizes and diameters within a system

3.3 Calculate total friction loss

3.4 Determine hydraulic parameters for system

4. Select system components to deliver water efficiently

4.1 Select water delivery components to achieve efficient delivery rate and pressure

4.2 Select compatible flow direction and control components with pipes to achieve minimal friction losses

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 irrigation system hydraulic parameters

Writing
  • Record scheduling system information for each irrigation, significant rainfall events and other appropriate parameters

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

AHCIRG435 Determine hydraulic parameters for an irrigation system

AHCIRG402 Determine hydraulic parameters for an irrigation system

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 determined hydraulic parameters for an irrigation system on at least one occasion and has:

  • read contour maps and interpreted elevations and distances
  • applied hydraulic principles to manual and computerised irrigation systems
  • calculated pressures, flows, velocities and friction losses
  • determined efficiency of the system with varying system components.

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:

  • contour maps
  • hydraulic principles such as static and dynamic pressure, pressure loss, friction loss, flow rate and velocity, effect of gradient on flow rate, contact time and drainage
  • calculate pumping requirements
  • irrigation system components
  • types and pressure ratings for pipes, fittings and outlets
  • calculate pressure loss due to irrigation components.

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:
  • contour maps
  • specifications:
  • irrigation system water delivery specifications
  • timeframes:
  • according to the job requirements.

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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