Unit of competency Outline

Date retreived
23/07/2026 1:41 AM AWST

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Control construction site water tables

Control construction site water tables

Unit of competency
National Code
RIIWMG301E
State Code
OCX05
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
039901 - Environmental Engineering
Original Release Date
18/06/2021
Nominal Hours
20
Description
This unit describes the skills and knowledge required to control construction site water tables. This includes installing drainage or dewatering systems involving spearing, establishing treatment systems and operating and performing maintenance on drainage and dewatering systems. 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 control construction site water table
  • 1.1 Obtain, read, interpret, clarify and confirm work requirements
  • 1.2 Access, interpret and apply documentation required to control site water tables and confirm work activity is compliant
  • 1.3 Obtain and interpret emergency procedures, and identify steps required to respond to emergencies
  • 1.4 Select and wear personal protective equipment according to site requirements
  • 1.5 Confirm and identify requirements for complying with environmental protection, safety and traffic management signage requirements
  • 1.6 Identify potential hazards and environmental issues, implement control measures within scope of own role and escalate where required
  • 1.7 Select plant, tools and equipment required to carry out tasks and check for faults
  • 1.8 Identify, confirm, and locate materials required for work application
2. Install water removal system
  • 2.1 Identify proposed permanent stormwater outlets from site plans and drawings
  • 2.2 Erect barricades around installation area according to job requirements
  • 2.3 Construct sumps and wells according to job requirements
  • 2.4 Install drainage and dewatering systems according to job requirements
  • 2.5 Place gravel and filter material in spears, sumps and wells according to job requirements
  • 2.6 Install surface or submersible pumps in locations according to job requirements
  • 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 according to job requirements
  • 3.2 Monitor, assess and rectify water quality and treatment according to job requirements
  • 3.3 Release water which meets approved quality criteria into main system according to job requirements
4. Operate and maintain drainage and dewatering system
  • 4.1 Activate pumps to lower water table level
  • 4.2 Perform maintenance on pumps according to job requirements
  • 4.3 Perform maintenance on site drainage and dewatering system and maximise water flow according to project requirements
5. Remove and restore area
  • 5.1 Disconnect and remove pumping system
  • 5.2 Remove well points and spears
  • 5.3 Restore area according to environmental management plan
6. Conduct clean-up activities
  • 6.1 Clear work area and dispose of or recycle materials according to site requirements
  • 6.2 Clean, check, perform maintenance on and store plant, tools and equipment according to manufacturer specifications and site requirements
No information
No information
Replaces
State Code National Code Title Type
WH767 RIIWMG301D Control construction site water table Unit of competency
State Code National Code Title Type
BGL0 RII30920 Certificate III in Civil Construction Qualification
BGL6 RII31220 Certificate III in Civil Foundations Qualification