Subsurface Drilling & Field Services

  • 4 inch Continuous Flight Augers

  • 3.25 & 4.25 Inch Hollow Stem Augers

  • 4 Inch Hand Augers

  • 2,4, & 6 Inch Diamond Bit Pavment Core Drill

  • Split Spoon Sampling (ASTM D 1586)

  • Shelby Tube Sampling (ASTM D1587)

  • Texas Cone Penetrometer Testing

  • Dynamic Cone Penetrometer (ASTM D6951)

  • Continuous Diamond Core Drilling

  • Rock Quality Designation (RQD) (ASTM D6032)

  • Water Sampling & Testing

  • Water/Mud Rotary Drilling

 

Laboratory Testing Services

Soil

  • Natural Moisture Content (ASTM D2216 & AASHTO T265)

  • Atterburg Limits-LL, PL & PI (ASTM D4318 & AASHTO T89/90)

  • Particle Size Analysis of Soils-Gradation (ASTM D22 & AASHTO T88)

  • Unconfined Compressive Strength of Soil/Rock (ASTM D2166 & D2938)

  • Moisture-Density (Proctor) Test (ASTM D698 &D1557, AASHTO T99/T180)

  • California Bearing Ratio-CBR (ASTM D1883)

  • Expansion index (ASTM D4829)

  • Soluble Sulfate (OHDL-49)

 

Aggregates

  • Sieve Analysis of Fine Aggregate (ASTM C125/AASHTO T27)

  • Sieve Analysis of Course Aggregate (ASTM C175/AASHTO T27)

  • No. 200 Wash Loss of Fine or Course Aggregate (ASTM C117/AASHTO T11)

Engineering Analysis & Design Services

  • Pavement & Subgrade Design/Evaluation

  • Bearing Capacity Analysis (Spread & Continuous Footings, Mat Foundations, Waffle Slabs, Post-Tensioned Slab

  • Settlement Analysis

  • Slope Stability & Retaining Wall Analysis

  • Drilled Pier/Shaft & Driven Pile Capacity Analysis

  • Auger Cast-in-Place Pile Capacity & Settlement Analysis

  • Expansive & Soft Soil Analysis

  • Soluble Sulfate Soil Analysis

  • Lagoon & Soil Permeability Analysis

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