Excavation and Soil Sampling 

GCS provides excavation and soil sampling for geological and geotechnical studies.

  • Hand auger borings for soil sampling and percolation testing.
    • Hand auger borings to the depths of 20′.
    • Diameter of augers 3″, 4″ and 6″.
    • Standard Cal-Mod 12″ split barrel sampler.
  • Custom test pit excavations for geological studies and geotechnical investigation:
    • Foundation verification (depth/dimensions)
    • Foundation excavations
    • Custom shoring (constructed as necessary)

Let us get our hands dirty

Contact us today to receive our 2026 Fee Schedule and/or our 2026 LAUSD Fee Schedule.
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