Construct underpinning

Unit of competency Outline

Date retreived
23/07/2026 1:57 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.

Unit of competency

National Code
RIICFW301E

State Code
OCY32

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

030903 - Structural Engineering

Original Release Date

18/06/2021

Nominal Hours

Description

This unit describes the skills and knowledge required to construct underpinning in civil construction. This includes identifying underpinning requirements, sequencing and performing excavation, backfilling and constructing underpinning using both drilling and excavation techniques.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 construct underpinning

1.1 Obtain, interpret, clarify and confirm work instructions
1.2 Access, interpret and apply documentation required to construct underpinning 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. Set out and prepare sections

2.1 Confirm and apply set out according to job requirements
2.2 Identify and record underpinning requirements for adjoining properties and roadways
2.3 Identify and implement sections and sequence of excavations according to job requirements
2.4 Confirm condition of existing shoring system
2.5 Set out sections for excavation according to job requirements
2.6 Identify and protect areas for excavation and surrounding working space according to job requirements
2.7 Erect barricades and signage according to job and site requirements
2.8 Position plant and equipment for excavation according to job requirements

3. Excavate and install support

3.1 Excavate sections to footing depth according to job requirements
3.2 Install trench and excavation support according to job requirements

4. Conduct sectional underpinning

4.1 Construct underpinning according to job requirements
4.2 Backfill excavated sections according to job requirements
4.3 Underpin alternate sections in sequence 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

No information

Replaces

State Code	National Code	Title	Type
WH092	RIICFW301D	Construct underpinning	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