Unit of competency Outline

Date retreived
22/07/2026 10:01 PM AWST

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Install sub-soil drainage

Install sub-soil drainage

Unit of competency
National Code
RIICRC203D
State Code
WH110
TGA Status
Replaced
DTWD Status
Replaced
Current Release Number
2.00
Current Release Date
07/12/2014
View on TGA
State Implementation and Classification
Approved Date
29/05/2014
Field of Education
040327 - Plumbing
Original Release Date
29/05/2014
Nominal Hours
16
Description
This unit describes a participant’s skills and knowledge required to install sub-soil drainage in Civil Construction.This unit is appropriate for those working in operational roles.Licensing, legislative, regulatory and certification requirements that apply to this unit can vary between states, territories, and Industry sectors. Relevant information much be sourced prior to application of this unit.
Notes
Elements and Performance Criteria
1. Plan and prepare for installing sub-soil drainage
  • 1.1 Access, interpret and apply sub-soil drainage installation documentation and ensure the work activity is complaint
  • 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 Identify, obtain, confirm and implement signage requirements
  • 1.6 Select and check for faults all plant, tools and equipment to carry out tasks
  • 1.7 Plan stock-piling of materials for ease of access and hazard reduction
2. Set out and excavate trenches
  • 2.1 Check trench depths and grades to ensure conformity with plans and specifications
  • 2.2 Set out and clearly mark trench location
  • 2.3 Communicate with plant operator to ensure correct excavation of trenches, placement of shoring and battering
3. Install bedding materials
  • 3.1 Identify bedding material type and depth from plans and specifications
  • 3.2 Lay bedding materials to specified depths and grades
4. Install sub-soil drainage
  • 4.1 Place geo-textile according to specifications
  • 4.2 Prepare drain sections and fittings
  • 4.3 Lay subsoil drain
  • 4.4 Provide inspection opening and flush out points according to plans
  • 4.5 Fit out and/or connect end structures/outlets/clean outs to culverts, storm water or subsoil drain systems
  • 4.6 Install packing and prepare system for backfilling
  • 4.7 Monitor backfill procedure to ensure work completed to specification
5. Clean up
  • 5.1 Clear work area and recycle or dispose of materials
  • 5.2 Clean, check, maintain and store plant, tools and equipment
No information
No information
Replaces
State Code National Code Title Type
WB431 RIICRC203A Install sub-soil drainage Unit of competency
Replaced By
State Code National Code Title Type
OCX69 RIICRC203E Install sub-soil drainage Unit of competency