Unit of competency Outline

Date retreived
22/07/2026 1:22 AM AWST

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Construct open earthen channels or drains

Construct open earthen channels or drains

Unit of competency
National Code
NWPIRR012
State Code
AVZ07
TGA Status
Deleted
DTWD Status
Transition (Deleted)
Current Release Number
1.00
Current Release Date
07/12/2015
View on TGA
State Implementation and Classification
Approved Date
15/04/2016
Field of Education
030907 - Water And Sanitary Engineering
Original Release Date
15/04/2016
Nominal Hours
30
Description
This unit of competency describes the skills required to plan and prepare for the construction of open channels or drains and to complete construction operations and subsequent site restoration.This unit applies to those working as 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.The skills and knowledge described in this unit must be applied within the legislative, regulatory and policy environment in which they are carried out. Organisational policies and procedures must be consulted and adhered to, particularly those related to WHS and manufacturers’ guidelines.Those undertaking this unit would work under direct supervision, while performing routine tasks and ensuring minimal damage to the environment, in a familiar context.No licensing, legislative or certification requirements apply to unit at the time of publication.
Notes
Elements and 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.
  • 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 Select suitable soil material.
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 and take earth samples.
  • 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.
  • 3.2 Restore work site and add environmental improvements or controls to complete work, according to plans.
No information
No information
Replaces
State Code National Code Title Type
D1866 NWP251B Construct open earthen channels or drains Unit of competency