Unit of competency Outline

Date retreived
22/07/2026 5:35 AM AWST

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Maintain drainage systems

Maintain drainage systems

Unit of competency
National Code
RIICRC301E
State Code
OCX46
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
25/01/2021
View on TGA
State Implementation and Classification
Approved Date
18/06/2021
Field of Education
040327 - Plumbing
Original Release Date
18/06/2021
Nominal Hours
12
Description
This unit describes the skills and knowledge required to maintain drainage systems in civil construction, including maintaining drainage components and open drains, excavating and repairing drainage systems and inspecting and repairing culverts.It applies to those working in operational roles. They generally work under minimal supervision to undertake a broad range of tasks in varied work contexts, using some discretion and judgement in selecting equipment, services or contingency measures.Licensing, legislative and certification requirements that apply to this unit can vary between states, territories and industry sectors. Users must check requirements with relevant body before applying the unit.
Notes
Elements and Performance Criteria
1. Plan and prepare to maintain drainage systems
  • 1.1 Obtain, interpret, clarify and confirm work requirements
  • 1.2 Access, interpret and apply documentation required to maintain drainage systems and confirm work activity is compliant
  • 1.3 Identify and address potential risks, hazards and environmental issues, and implement control measures
  • 1.4 Select and wear personal protective equipment according to site requirements
  • 1.5 Obtain and interpret drainage maintenance schedule and records of maintenance history
  • 1.6 Determine temporary stormwater diversion requirements according to existing drainage outlets, site requirements and planned construction schedule
2. Maintain drainage components
  • 2.1 Inspect and maintain drainage components and rectify or report faults as required
  • 2.2 Repair drainage components according to initial design specifications and/or engineer’s redesign
  • 2.3 Flush out drainage system and confirm clear flows of fluid
3. Excavate and repair drainage systems
  • 3.1 Determine location of repairs according to work order and survey site
  • 3.2 Carry out excavation according to job requirements
  • 3.3 Prepare pipes and accessories according to design method of repair
  • 3.4 Replace pipe sections and join and align to line and specified fall according to job requirements
  • 3.5 Install packing and confirm alignment of pipeline
  • 3.6 Make joints to pipe section junctions according to job requirements
  • 3.7 Backfill section according to job requirements
  • 3.8 Inspect and test repaired drainage system and confirm effectiveness of repairs against job requirements
4. Maintain open drains
  • 4.1 Maintain open drains to line and fall specifications according to job requirements
  • 4.2 Finish surfaces adjoining open drains and confirm ease of run off
  • 4.3 Undertake erosion control methods according to site requirements
5. Inspect, clear and repair culverts
  • 5.1 Identify faults in culverts and determine appropriate repair requirements and specifications
  • 5.2 Repair or replace sections and joint according to levels and design specifications
  • 5.3 Repair or maintain inlets and outlets according to culvert design and specifications
  • 5.4 Compact backfill
6. Conduct clean-up activities
  • 6.1 Clear work area and dispose of or recycle materials according to site requirements
  • 6.2 Seal and store or pack unused materials according to site requirements
  • 6.3 Clean, check, maintain and store plant, tools and equipment according to manufacturer specifications and site requirements
No information
No information
Replaces
State Code National Code Title Type
WH117 RIICRC301D Maintain drainage systems Unit of competency