Modification History
NWP251B Release 2: Layout adjusted. No changes to content.
NWP251B Release 1: Primary release.
Unit Descriptor
This unit of competency describes the outcomes required to plan and prepare for the construction of open channels or drains and to complete construction operations and subsequent site restoration according to legislative and organisational requirements.
Application of the Unit
This unit supports the attainment of skills and knowledge required for field and operational staff involved in the construction of earthen channels and drains for stormwater or irrigation systems or the remodelling or reconstruction of unserviceable systems.
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 required performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the range statement. Assessment of performance is to be consistent with the evidence guide. |
Elements and Performance Criteria
ELEMENT |
PERFORMANCE CRITERIA |
1 Plan and prepare for construction work . |
1.1 Determine work requirements from design plans, specifications, instructions and work orders. 1.2 Check site and identify hazards according to legislative and organisational requirements . 1.3 Make appropriate drainage and diversion arrangements without damage to environment. 1.4 Check equipment and open-cut excavation methods to ensure that safety requirements of task and site are met. 1.5 Prepare site according to specifications and organisational requirements. |
2 Construct channels or drains . |
2.1 Construct earthen channels, drains and batters to planned width, depth and gradient. 2.2 Compact soil, apply additives if necessary, and take earth samples to meet organisational requirements. 2.3 Check construction works to ensure that specifications are met. |
3 Restore work site and equipment . |
3.1 Check, maintain and store equipment, tools and materials according to manufacturer guidelines and organisational procedures. 3.2 Restore work site and add environmental improvements or controls to complete work according to plans and organisational requirements. |
Required Skills and Knowledge
This describes the essential skills and knowledge and their level, required for this unit. |
Required skills :
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Required knowledge :
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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, the range statement and the Assessment Guidelines for the Training Package. |
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Critical aspects for assessment and evidence required to demonstrate competency in this unit |
The candidate should demonstrate the ability to construct open earthen channels and drains by:
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Context of and specific resources for assessment |
Access to the workplace and resources including:
Where applicable, physical resources should include equipment modified for people with disabilities. Access must be provided to appropriate learning and assessment support when required. Assessment processes and techniques must be culturally appropriate, and appropriate to the language and literacy capacity of the candidate and the work being performed. Validity and sufficiency of evidence requires that:
In all cases where practical assessment is used it will be combined with targeted questioning to assess the underpinning knowledge. Questioning will be undertaken in a manner appropriate to the skill levels of the operator and cultural issues that may affect responses to the questions, and will reflect the requirements of the competency and the work being performed. |
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. Add any 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. |
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Work requirements may include: |
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Hazards may include: |
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Legislative and organisational requirements may include: |
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Drainage and diversion arrangements may include: |
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Equipment may include: |
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Site preparation may include: |
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Environmental improvements or controls may include: |
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Unit Sector(s)
Not applicable.
Competency field
Collection and distribution.