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Soils Inspection

AEIS supports critical infrastructure, heavy civil, and environmental resiliency projects by providing comprehensive soils inspection services to verify that ground improvement, engineered fills, and foundation-bearing conditions meet project and code requirements. These inspections are essential for both shallow and deep foundations, embankments, subgrades, and other load-bearing systems.

Where fill materials are used to support structures, roadways, levees, or flood protection systems, our inspections confirm that site preparation, material properties, placement methods, and compaction procedures align with the engineer’s design intent and applicable standards.

Our process typically includes:

  Site Preparation Review – Verifying that unsuitable materials (e.g., organics, topsoil, expansive clays) have been removed, and that the site has been graded in accordance with the geotechnical report and project plans.

  Material Qualification – Laboratory testing of proposed fill material (including gradation, Atterberg limits, moisture-density relationships, and other properties) to ensure it is appropriate for use as engineered backfill or controlled compacted fill.

  Lift Thickness Monitoring – Ensuring each layer (lift) of placed material is within allowable thickness to enable effective compaction, reducing the risk of future settlement or instability.

  Compaction Testing – Performing in-situ density and moisture content testing using nuclear gauges or alternative methods (e.g., sand cone, rubber balloon) to verify that compaction meets or exceeds specified minimums.

Our qualified field technicians and geotechnical engineers work closely with contractors, construction managers, and design teams to document results, identify non-conformances, and provide timely reporting to keep projects on track.

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