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Geotechnical Services
Alpha Environmental Sciences, Inc. personnel have experience and resources that cover a broad range of geotechnical engineering and geological challenges. Our integrated approach combines geotechnical expertise, field and laboratory testing capabilities and an awareness of current construction procedures. Our objectives are to develop safe and cost-effective design recommendations and analyses consistent with current state-of-the-art practice. Our services include design plans and specifications, engineering recommendations, quality control, instrumentation and performance studies.
Planning - Site Evaluation
- Preliminary Investigations
- Feasibility Studies
- Comparative Multi-Site Studies
- Geologic Interpretations
- Evaluation of Borrow Availability
Design - Detailed Site Evaluations
- Shallow Foundation Recommendations
- Excavation and Grading Specifications
- Slope Stability Analyses
- Retaining Wall Design
- Rock Excavation Specifications
- Pavement Design
- Earthen Waste Lagoon Design
- Deep Foundation Recommendations
- Seepage and Groundwater Studies
Hydrologic Studies
- Erosion Control
- Sedimentation Control
- Flooding Potential
Subsurface Testing and Sampling Capabilities
- Standard Penetration Tests
- Shelby Tube Sampling
- Dynamic Cone Penetration Tests
- Seismic Refraction Surveys
- Dutch Cone Soundings
- Other Geotechnical and Geophysical Tests Available Upon Request
Exploration Services
- Soil Borings for Geotechnical Evaluations
- Auger Probes for Rock Surface
- Seismic Refraction Surveys for Rock Surface and Rippability
- Monitor Well and Piezometer Installation
- Rock Coring
Forensic Services
- Analysis of Sink Holes
- Analysis of Building Failure Causes
- Analysis of Retaining Wall and Slope Failures
- Recommendations for Corrective Action of Failure
Hand Auger/Drive Tube Sampler
For shallow subsurface explorations of 5 to 10 feet or in locations inaccessible to motor vehicles, our manual hand auger can sample soil to depths of 8 to 10 feet depending on subsurface conditions.
Simco Trailer-Mounted Rotary Auger Drill Rig
Our Simco drill rig is capable of boring an 8-inch diameter hole to depths of 60 feet for purposes of installing groundwater monitoring and recovery wells. The rig is equipped for taking split-spoon samples, using a 140 pound hammer to determine Standard Penetration Resistance values in accordance with ASTM D-1586. Borings up to 125 feet can be performed using mud rotary techniques.