Unit of competency Outline
Date retreived
22/07/2026 7:19 AM AWST
22/07/2026 7:19 AM AWST
Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.
Construct and maintain drainage systems
Construct and maintain drainage systems
Unit of competency
National Code
LGAWORK304A
LGAWORK304A
State Code
C5883
C5883
TGA Status
Deleted
Deleted
DTWD Status
Deleted
Deleted
State Implementation and Classification
Approved Date
14/08/2014
Field of Education
040327 - Plumbing
Original Release Date
14/08/2014
Nominal Hours
50
Description
This unit covers the construction and maintenance of drainage systems.
Notes
Elements and Performance Criteria
1 Establish area for drainage works
- 1.1 Tools and safety equipment requirements are identified and obtained, and lines and levels are set up according to plan.
- 1.2 Lines and levels are set up according to plan.
- 1.3 Excavation is undertaken according to plan.
- 1.4 Excavation is secured to prevent injury to the public and workers.
- 1.5 Appropriate drainage is provided to allow for the diversion of uncontaminated stormwater from the work site and to prevent environmental damage.
- 1.6 Environmental protection devices are installed as required to meet requirements.
- 1.7 Formwork or shoring is provided where required.
- 1.8 Work is planned and undertaken in accordance with occupational health and safety (OHS) and traffic control requirements.
2 Construct or restore ground drainage
- 2.1 Pre-bedding is laid to specifications.
- 2.2 Pre-cast or moulded structures are placed to specifications.
3 Construct or restore surface drains
- 3.1 Surface drains are prepared and levelled according to plan.
- 3.2 Earth and rubble drains are constructed to plan.
4 Maintain drainage systems
- 4.1 Surface drains are inspected and cleared of weeds and debris.
- 4.2 Subsoil drainage systems are flushed and cleaned.
- 4.3 Culverts are cleared of debris, cleaned and if necessary reinstated.
- 4.4 Drains, access holes, pits and traps are cleaned and repaired and if necessary reinstated.
- 4.5 Pipes are rehabilitated using proprietary rehabilitation systems.
5 Rehabilitate works area
- 5.1 Verges and medians are surfaced and planted or turfed according to specifications.
- 5.2 Site is restored to required condition.
- 5.3 Private and public property structures are reinstated.
6 Complete necessary documentation
- 6.1 Construction and maintenance reports are completed and filed to meet council's requirements.
- 6.2 The as constructed plans and drawings are completed in accordance with completed works.
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 in the Performance Criteria is detailed below.
Pipeline rehabilitation may include:
folded and formed liners
cured in-place resin liners
spiral wound liners
slip liners
pipe grouting machines
Drainage systems may include:
above and in-ground stormwater
wastewater
fittings
culverts
traps
drains
access holes
geofabric strip drains and cloth
Pipe types may include:
concrete
polyvinyl chloride (PVC)
steel and fibre concrete
corrugated PVC and steel pipes
recycled plastics
Relevant standards may include:
Australian standards and other relevant standards
Pipeline rehabilitation may include:
folded and formed liners
cured in-place resin liners
spiral wound liners
slip liners
pipe grouting machines
Drainage systems may include:
above and in-ground stormwater
wastewater
fittings
culverts
traps
drains
access holes
geofabric strip drains and cloth
Pipe types may include:
concrete
polyvinyl chloride (PVC)
steel and fibre concrete
corrugated PVC and steel pipes
recycled plastics
Relevant standards may include:
Australian standards and other relevant standards
Overview of assessment requirements
A person who demonstrates competency in this unit will be able to perform the outcomes described in the Elements to the required performance level detailed in the Performance Criteria. The knowledge and skill requirements described in the Range Statement must also be demonstrated. For example, knowledge of the legislative framework and safe work practices that underpin the performance of the unit must be demonstrated.
Critical aspects of evidence to be considered
Appropriate materials are selected for the construction and maintenance of the works.
Appropriate construction methods and processes are used.
Plans and specifications are adhered to.
Safety on work site is ensured.
Australian standards are met.
Context of assessment
May be assessed:
on the job
simulated workplace environment
written assignment
short-answer test
oral questioning
observation
or any combination of the above
Relationship to other units(prerequisite or co-requisite units)
To enable holistic assessment this unit may be assessed with other units that form part of the job role.
Method of assessment
The following assessment methods are suggested:
observation of the learner performing a range of workplace tasks over sufficient time to demonstrate handling of a range of contingencies
written and/or oral questioning to assess knowledge and understanding
completion of workplace documentation
third-party reports from experienced practitioners
completion of self-paced learning materials including personal reflection and feedback from trainer, coach or supervisor
Evidence required for demonstration of consistent performance
Evidence will need to be gathered over time across a range of variables.
Resource implications
In accordance with a range of variable requirements.
A person who demonstrates competency in this unit will be able to perform the outcomes described in the Elements to the required performance level detailed in the Performance Criteria. The knowledge and skill requirements described in the Range Statement must also be demonstrated. For example, knowledge of the legislative framework and safe work practices that underpin the performance of the unit must be demonstrated.
Critical aspects of evidence to be considered
Appropriate materials are selected for the construction and maintenance of the works.
Appropriate construction methods and processes are used.
Plans and specifications are adhered to.
Safety on work site is ensured.
Australian standards are met.
Context of assessment
May be assessed:
on the job
simulated workplace environment
written assignment
short-answer test
oral questioning
observation
or any combination of the above
Relationship to other units(prerequisite or co-requisite units)
To enable holistic assessment this unit may be assessed with other units that form part of the job role.
Method of assessment
The following assessment methods are suggested:
observation of the learner performing a range of workplace tasks over sufficient time to demonstrate handling of a range of contingencies
written and/or oral questioning to assess knowledge and understanding
completion of workplace documentation
third-party reports from experienced practitioners
completion of self-paced learning materials including personal reflection and feedback from trainer, coach or supervisor
Evidence required for demonstration of consistent performance
Evidence will need to be gathered over time across a range of variables.
Resource implications
In accordance with a range of variable requirements.
No information
| State Code | National Code | Title | Type |
|---|---|---|---|
| C748 | LGA30304 | Certificate III in Local Government (Operational Works) | Qualification |