Irrigation Contractor — Road-Base Handover

Road-Base Preparation

Road-base preparation controls a specified aggregate layer, not ordinary topsoil. Even distribution and the right shape help the compaction and surfacing operations that follow.

Before moving material

Confirm aggregate type, accepted subgrade and planned layer thickness.

Receiving operation and checks

Compact and complete the project's layer-acceptance checks. Measure levels and thickness at representative locations and transitions.

Do not use a nominal scraper load count as evidence of compacted layer depth.

Finished Surface Handover

A finished-surface handover records the surface that has been delivered and the evidence supporting it. It should identify what was checked and what lies outside the grading scope.

Before moving material

Agree the finished purpose and acceptance responsibilities.

Receiving operation and checks

Release the area to use or the next construction stage when accepted. Retain unresolved items and limits alongside the acceptance record.

The term finished should not imply certification beyond the checks actually performed.

How to Prepare Subgrade for Road Base

Before road base is placed, the subgrade should be accepted for both level and condition. An uneven or weak supporting surface can lead to thickness variation and premature failure above it.

Before moving material

Confirm formation level and identify unaccepted areas.

Receiving operation and checks

Inspect and accept before spreading base aggregate. Record level and material checks for the same work area.

Adding more base material is not automatically a remedy for weak subgrade.

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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