Unit of competency Outline
Date retreived
22/07/2026 7:24 AM AWST
22/07/2026 7:24 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.
Excavate tunnel by machine
Excavate tunnel by machine
Unit of competency
National Code
RIICTC303E
RIICTC303E
State Code
OCX52
OCX52
TGA Status
Current
Current
DTWD Status
Approved
Approved
State Implementation and Classification
Approved Date
18/06/2021
Field of Education
030901 - Construction Engineering
Original Release Date
18/06/2021
Nominal Hours
24
Description
This unit describes the skills and knowledge required to excavate tunnel by machine in civil construction, including incorporating dust suppression methods, removing excess water and controlling mucking. 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 excavate tunnel by machine
- 1.1 Obtain, interpret, clarify and confirm work instructions
- 1.2 Access, interpret and apply documentation required to excavate tunnels by machine and confirm work activity is compliant
- 1.3 Confirm and identify requirements for complying with environmental protection, safety and traffic management signage requirements
- 1.4 Select equipment and tools required for work activities and check for faults
- 1.5 Select and wear personal protective equipment according to site requirements
- 1.6 Identify and address potential risks, hazards and environmental issues, and implement control measures within scope of own role
- 1.7 Obtain and interpret emergency procedures and identify steps required to respond to emergencies
2. Set up for machine operation
- 2.1 Devise and follow production schedules consistent with job requirements
- 2.2 Locate and set up machine and equipment according to job requirements
- 2.3 Carry out pre-start, start-up, park up, shutdown and secure equipment procedures
- 2.4 Adjust machine and attachments for terrain, rock and ground conditions
- 2.5 Drive, operate machine and use controls according to job requirements
- 2.6 Complete operator maintenance and servicing of machine and equipment to schedule according to manufacturer specifications and site requirements
3. Excavate tunnel and control dust and water
- 3.1 Excavate tunnel to shape required by specification according to line levels and measurements
- 3.2 Incorporate dust suppression methods with machine cutting operations to control dust
- 3.3 Operate and maintain dust extraction systems during excavation
- 3.4 Remove excess water by operating pumping or drainage system to maintain minimal surface water levels
4. Control mucking
- 4.1 Set up and align mucking system to spoil system according to job requirements
- 4.2 Operate mucking attachments according to job requirements
- 4.3 Maintain dust extraction system in operation along conveyor or mucking system
- 4.4 Remove spoil according to planned operating procedures
- 4.5 Direct trucks safely to and from mucking area according to job requirements
5. Conduct clean-up activities
- 5.1 Clear work area and dispose of or recycle materials according to site requirements
- 5.2 Clean, check, perform maintenance on and store plant, tools and equipment according to manufacturer specifications and site requirements
- 5.3 Carry out housekeeping activities according to site requirements
No information
No information
Replaces
| State Code | National Code | Title | Type |
|---|---|---|---|
| WH177 | RIICTC303D | Excavate tunnel by machine | Unit of competency |
| State Code | National Code | Title | Type |
|---|---|---|---|
| BGL0 | RII30920 | Certificate III in Civil Construction | Qualification |