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Assessment Packages

Construct low-profile timber or modular retaining walls

KHU-AGR-0335

Australian Equivalent
AHCLSC207
Elements
5
Learning Outcomes
27

This unit of competency describes the skills and knowledge required to construct low-profile timber or modular retaining walls in landscape settings, including preparing for work, marking out site, preparing footings, installing wall components and cleaning up site. The unit applies to individuals who construct low-profile timber or modular retaining walls under general supervision with limited autonomy or accountability. No licensing, legislative or certification requirements apply to this unit at the time of publication.

Elements & Learning Outcomes

5
E1Plan and prepare work
0335.E1.O1Read work instructions relating to constructing the retaining wall and confirm with supervisor
0335.E1.O2Prepare and use tools and equipment according to supervisor instructions
0335.E1.O3Check and confirm quantity and quality of materials according to job plan requirements
0335.E1.O4Identify manual handling and workplace health and safety hazards, assess risks and report to supervisor
0335.E1.O5Select, fit, use and maintain personal protective equipment (PPE) applicable to the task
0335.E1.O6Locate and mark out services
E2Mark out site for retaining wall
0335.E2.O1Mark out position of retaining wall according to site plan
0335.E2.O2Determine location and depth of excavations according to supervisor instructions
0335.E2.O3Establish profiles according to designated tolerances
0335.E2.O4Establish survey benchmarks
E3Prepare footings according to industry standards
0335.E3.O1Excavate retaining wall foundations to required depth and dimensions according to site plans
0335.E3.O2Remove and stockpile soil and waste material to ensure a safe working area
0335.E3.O3Locate reinforcing or steps in excavated site and position accordingly
0335.E3.O4Position pegs to maintain levels of even depth and horizontal plane to the top of footings
0335.E3.O5Place, consolidate and finish footings to determined levels, to ensure coverage of reinforcement
E4Prepare and install retaining wall components
0335.E4.O1Prepare and lay out components for installation
0335.E4.O2Mark components to be cut to length and shape, and cut to requirements of profiles already established
0335.E4.O3Construct base layer of retaining wall to point above the top of drainage media and form weep holes where indicated
0335.E4.O4Install protective membrane as specified in site plan
0335.E4.O5Install drainage media and material as specified in site plan
0335.E4.O6Back-fill and compact fill material behind base of retaining wall
0335.E4.O7Construct retaining wall components to required dimensions, profiles and levels as specified on site plan
0335.E4.O8Set capping to top of retaining wall to specified levels with tolerance appropriate to style of capping
E5Clean up site and store tools and equipment
0335.E5.O1Dispose of or recycle soil and waste material from site
0335.E5.O2Store and stack unused construction materials for future re-use
0335.E5.O3Clean, maintain and store tools and equipment
0335.E5.O4Report work outcomes and malfunctions, faults, wear or damage of tools to supervisor
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SEAL — South East Asia Learning Identifier & Skills Portal · Prepared for MLVT Executive approval and TVET institute review · Derived from the Australian National Training Register (training.gov.au, CC-BY) and aligned to the Cambodian Qualifications Framework and DSC Standard Training Packages · Delivered via Gibble SMS · July 2026