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Install trench support

Unit Descriptor This unit specifies the competency required to shore a trench to prevent the collapse of trench walls and provide safety to personnel working in the trench. It includes the minimum criteria for competency assessment. This unit includes the set out, installation and removal of shoring.

1 . Plan and prepare
  1. Work instructions, including plans, specifications, quality requirements and operational details relevant to the tasks are obtained, confirmed and applied to the allotted task

  2. Safety requirements are obtained from the site safety plan and organisational policies and procedures, confirmed and applied to the allotted task

  3. Signage requirements are identified and obtained from the project traffic management plan and implemented

  4. Plant, tools and equipment selected to carry out tasks are consistent with the requirements of the job, checked for serviceability and any faults are rectified or reported

  5. Environmental protection requirements are identified from the project environmental management plan, confirmed and applied to the allotted task

2 . Install trench shoring
  1. Plant operator is communicated with to ensure excavation of trenches comply with site plan, line and depth

  2. Shoring method is determined and prepared

  3. Positioning of shoring is set out to specifications

  4. Shoring is positioned or erected within the trench

  5. Shoring is secured in position and checked to ensure structural conformity with regulations

  6. Excavation is cleaned out by hand to job requirements

  7. Ladders provided for access and egress to site safety plan requirements

3 . Remove trench shoring
  1. Jacking mechanisms are released and ladders removed

  2. Shoring is checked and prepared for lifting from the trench

  3. Shoring is removed from trench and stored on site in accordance with organisational requirements

4 . Clean up
  1. Work area is cleared and materials disposed of or recycled in accordance with project environmental management plan

  2. Plant, tools and equipment are cleaned, checked, maintained and stored in accordance with manufacturers' recommendations and standard work practices

Key CompetencyExamples of ApplicationPerformance
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How are ideas and information communicated within this competency?
How are activities planned and organised?
How are problem solving skills applied?
How are mathematical ideas and techniques used?
How is use of technology applied?
How is team work used within this competency?

Range Statement

Unit scope .

Safety (OH&S) .

Environmental Requirements .

Quality Requirements .

Statutory/Regulatory Authorities .

Tools and equipment .



Evidence Guide

Critical aspects of evidence required to demonstrate competency in this unit

Relationship to other units

Competency in this unit may be assessed in conjunction with other functional units which together form part of the holistic work role

The context of assessment

Methods of assessment

Specific resource requirements for this unit