Using On-Site Soil Before Imported Fill

Fill Material Distribution

Fill distribution should preserve material identity and permit the required layer preparation. Random piles and inconsistent depth make later compaction and testing harder.

Before moving material

Confirm fill classification, receiving extent and layer requirements.

Receiving operation and checks

Compact and inspect before placing another layer. Measure receiving levels and record material source.

Geometric volume is not proof of suitable fill or completed compaction.

Machine Before - Dugong - Machine After

The machine before Dugong determines what material arrives; the machine after Dugong determines what surface must leave. An excavator can expose formation, a loader can deliver a stockpile, and a roller can compact the placed layer. The scraper's role is bounded by those interfaces.

Before moving material

Identify the upstream operation and its remaining defects.

Receiving operation and checks

Hand over the measured surface to compaction, cultivation, paving or turf preparation. Record which operation owns levels, materials and final acceptance.

The workflow can include Dugong where suitable; it does not assume Dugong replaces adjacent equipment.

Compacted Soil

Compacted soil is not always defective: compaction may be desirable beneath a road and undesirable in a growing zone. Decide which purpose the soil serves before attempting to loosen it.

Before moving material

Identify the required use and investigate the affected layer.

Receiving operation and checks

Use the appropriate cultivation or compaction method after grading. Check the relevant soil or engineering evidence rather than surface appearance.

A scraper does not measure density or establish root-zone condition.

Record the job inputs

Use this checklist to turn the scenario into a specific brief. Retain the design revision and agree who accepts each completed layer.

• Existing condition, extent and the reason for intervention
• Required finished purpose, receiving operation and acceptance criteria
• Material type, layer role, source, receiving area and volume state
• Reference levels, datum, survey method and issued design revision
• Available tractor, implement configuration, travel route and turning space
• Checks before work, stopping points and evidence retained at handover

Checklist ticks apply only while this page is open. Include the completed brief in your project records.

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Surface and verification · Applications and rental · Equipment and technology