Unit of competency Outline

Date retreived
23/07/2026 8:35 AM AWST

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Control construction site water table

Control construction site water table

Unit of competency
National Code
RIIWMG301D
State Code
WH767
TGA Status
Replaced
DTWD Status
Transition (Replaced)
Current Release Number
3.00
Current Release Date
07/12/2014
View on TGA
State Implementation and Classification
Approved Date
29/05/2014
Field of Education
039901 - Environmental Engineering
Original Release Date
29/05/2014
Nominal Hours
20
Description
This unit develops a participant’s skills and knowledge required to control a construction site water table in Civil construction. This unit is appropriate for those working in operational roles.No licensing, legislation or certification requirements apply to this unit at the time of publication.
Notes
Elements and Performance Criteria
1. Plan and prepare for site water table construction
  • 1.1 Access, interpret and apply site water table construction documentation and ensure the work activity is compliant
  • 1.2 Obtain, read, interpret, clarify and confirm work requirements
  • 1.3 Identify, obtain and implement traffic signage requirements
  • 1.4 Select and inspect required plant, tools and equipment and rectify or report any faults
  • 1.5 Identify and address potential risks, hazards and environmental issues, and implement control measures
  • 1.6 Select and wear personal protective equipment appropriate for work activities
2. Install site drainage/ dewatering system
  • 2.1 Identify proposed permanent stormwater outlets from site plans and drawings
  • 2.2 Erect barricades around the excavation/ installation area
  • 2.3 Construct sumps and wells
  • 2.4 Install well points, spears or wick drains
  • 2.5 Place gravel and filter material in spears, sumps and wells to level above that of existing water table
  • 2.6 Install surface or submersible pumps in designated locations
  • 2.7 Connect suction hoses to sumps, wells, spears and pumps
  • 2.8 Fit pipes and hoses to well points, spears and pumps
3. Establish stormwater treatment system
  • 3.1 Set out holding pond and support construction operations
  • 3.2 Monitor, assess and rectify water quality and treatment
  • 3.3 Release water which meets the approved quality criteria into the main system
4. Operate and maintain drainage and dewatering system
  • 4.1 Activate pumps to lower water table level
  • 4.2 Maintain pumps
  • 4.3 Maintain site drainage and dewatering system and maximise water flow to project requirements
5. Remove and restore area
  • 5.1 Disconnect and remove pumping system
  • 5.2 Withdraw and remove well points and spears
  • 5.3 Restore area according to environmental management plan
6. Clean up
  • 6.1 Clear work area and dispose of or recycle materials
  • 6.2 Clean, check, maintain and store plant, tools and equipment
No information
No information
Replaces
State Code National Code Title Type
WB554 RIIWMG301A Control construction site water table Unit of competency
Replaced By
State Code National Code Title Type
OCX05 RIIWMG301E Control construction site water tables Unit of competency