Application
This unit of competency describes the skills and knowledge required to install and construct a retaining wall.
This unit applies to individuals who take responsibility for their own work and for the quality of the work of others. They use discretion and judgement in the selection, allocation and use of available resources. All work is carried out to comply with workplace procedures.
No occupational licensing, legislative or certification requirements are known to apply to this unit at the time of publication.
Elements and Performance Criteria
Element | Performance criteria |
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. |
1. Prepare for retaining wall project | 1.1 Interpret plans and specifications 1.2 Identify equipment and material resource requirements according to the scope of the construction work 1.3 Identify workplace health and safety hazards, assess risks and implement controls 1.4 Identify and ameliorate environmental impacts of the proposed works 1.5 Select, use and maintain personal protective equipment (PPE) 1.6 Select tools and equipment and check for serviceability 1.7 Organise delivery of materials to site according to workplace priorities |
2. Mark out site for retaining wall | 2.1 Erect site bunting and place safety signage 2.2 Locate services 2.3 Mark out the position of the retaining wall 2.4 Determine the location and depth of excavations from construction plans 2.5 Establish profiles to conform to the designated tolerances 2.6 Establish survey benchmarks |
3. Construct retaining wall | 3.1 Assemble or install retaining wall components in accordance to plans and specifications 3.2 Install appropriate drainage in accordance with plans and specifications 3.3 Use tools and equipment safely and in accordance with enterprise safe operating procedures and work health and safety requirements |
4. Check quality of work and clean-up site | 4.1 Inspect the quality of finished works to ensure the required standard has been achieved 4.2 Clean paved surfaces and dispose of all debris in an environmentally safe and sensitive manner 4.3 Clean, maintain and store tools and equipment |
Evidence of Performance
The candidate must be assessed on their ability to integrate and apply the performance requirements of this unit in a workplace setting. Performance must be demonstrated consistently over time and in a suitable range of contexts.
The candidate must provide evidence that they can:
read and interpret documentation associated with retaining wall projects
calculate material and resource requirements
establish survey benchmarks
excavate and profile soil levels
use tools and equipment to construct retaining wall projects
Evidence of Knowledge
The candidate must demonstrate knowledge of:
the principles and practices of retaining walls
environmental impacts of landscape works
landscape retaining wall materials and construction techniques
legislative requirements and codes of practice affected by landscape works
local council permit requirements for landscape works
materials, equipment and machinery that may be required for the project
methods and practices for maintaining and repairing retaining walls
set out techniques
work health and safety issues
Assessment Conditions
Assessors must satisfy current standards for RTOs.
Foundation Skills
Foundation Skills essential to performance are explicit in the performance criteria of this unit of competency.
Range Statement
Sectors
Landscape (LSC)