Range of VariablesThe Range of Variables explains the contexts within which the performance and knowledge requirements of this standard may be assessed. The scope of variables chosen in particular training and assessment requirements may depend on the work situations available |
What work instructions might be required for this standard? | Work instructions may include standard operating procedures (SOPs), specifications, work notes, manufacturers instructions, site plans, construction plans or verbal directions from the manager, supervisor, or senior operator. |
What services may need to be located? | Services may include water supply, power (electricity), storm water, drainage and sewerage. |
What tools and equipment are likely to be used when building retaining walls? | Tools and equipment may include timber or concrete saws, wheelbarrows, concrete mixers, hammers, mallets, and levels. |
What materials are likely to be used when constructing a retaining wall? | Materials used may include timber and modular concrete units. |
What OHS hazards may be associated with building retaining walls? | Hazards may include solar radiation, noise, heavy materials, sharp tools, uneven surfaces, holes and steep gradients. |
What personal protective clothing and equipment may be required? | Personal protective clothing and equipment may include boots, gloves, overalls, sun hat, sunscreen lotion, goggles and earmuffs, knee guards/pads. |
What may be used as survey benchmarks? | Survey benchmarks may include a boundary line, a building or structure, a temporary benchmark or a datum point. |
What type of footings may be required when constructing retaining walls? | Footings may include concrete, road rubble and quartz sand. |
What industry standards may apply when constructing a retaining wall? | Industry standards may include the type, size and height of the retaining wall. Compliance with the Building Code of Australia requirements may be necessary when constructing retaining walls. |
For more information on contexts, environment and variables for training and assessment, refer to the Sector Booklet. |
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