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