Unit of competency Outline
Date retreived
23/07/2026 10:38 AM AWST
23/07/2026 10:38 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.
Maintain drainage systems
Maintain drainage systems
Unit of competency
National Code
RIICRC301D
RIICRC301D
State Code
WH117
WH117
TGA Status
Replaced
Replaced
DTWD Status
Replaced
Replaced
State Implementation and Classification
Approved Date
27/05/2014
Field of Education
040327 - Plumbing
Original Release Date
27/05/2014
Nominal Hours
12
Description
This unit describes a participant’s skills and knowledge required to maintain drainage systems in Civil Construction.This unit is appropriate for those working in operational rolesLicensing, legislative, regulatory and certification requirements that apply to this unit can vary between states, territories, and Industry sectors. Relevant information must be sourced prior to application of the unit.
Notes
Elements and Performance Criteria
1. Plan and prepare to maintain drainage systems
- 1.1 Access, interpret and apply drainage systems maintenance documentation and ensure the work activity is compliant
- 1.2 Obtain, read, interpret, clarify and confirm work requirements
- 1.3 Identify and address potential risks, hazards and environmental issues, and implement control measures
- 1.4 Select and wear correct personal protective equipment appropriate for work activities
- 1.5 Locate initial design specifications and/or engineer’s redesign
- 1.6 Locate drainage maintenance schedule and records of maintenance history
- 1.7 Determine temporary stormwater diversion requirement in accordance with existing drainage outlets, site requirements and planned schedule of construction
2. Maintain drainage components
- 2.1 Regularly inspect and maintain drainage components and rectify or report faults
- 2.2 Repair drainage components as per initial design specifications and/or engineer’s redesign
- 2.3 Flush out drainage system to clear blockages and provide clear flows of fluid
3. Excavate and repair drainage systems
- 3.1 Determine location of repairs from work order and survey site
- 3.2 Carry out excavation in accordance with task specifications
- 3.3 Prepare pipes and accessories in accordance with design method of repair
- 3.4 Replace pipe sections and join and align to line and specified fall
- 3.5 Install packing to maintain alignment of pipeline
- 3.6 Make joints to pipe section junctions in accordance with specification requirements
- 3.7 Backfill required section
- 3.8 Conduct inspection and testing of repaired drainage system to determine effectiveness of repairs
4. Maintain open drains
- 4.1 Maintain open drains to correct line and fall specifications
- 4.2 Finish surfaces adjoining open drains allowing ease of run off
- 4.3 Undertake adequate erosion control methods
5. Inspect, clear and repair culverts
- 5.1 Identify faults in culverts and determine appropriate repair requirements and specifications
- 5.2 Repair/replace sections and joint to levels and design specifications
- 5.3 Repair/maintain inlets and outlets in accordance with culvert design and specifications
- 5.4 Compact backfill
6. Clean up
- 6.1 Clear work area and dispose of or recycle materials
- 6.2 Seal and store/pack unused materials
- 6.3 Clean, check, maintain and store plant, tools and equipment
No information
No information
Replaces
| State Code | National Code | Title | Type |
|---|---|---|---|
| WB722 | RIICRC301A | Maintain drainage systems | Unit of competency |
Replaced By
| State Code | National Code | Title | Type |
|---|---|---|---|
| OCX46 | RIICRC301E | Maintain drainage systems | Unit of competency |
| State Code | National Code | Title | Type |
|---|---|---|---|
| BFA8 | RII30919 | Certificate III in Civil Construction | Qualification |
| AZB0 | RII30915 | Certificate III in Civil Construction | Qualification |
| BFB4 | NWP30219 | Certificate III in Water Industry Operations | Qualification |