OHE’s consulting services in the area of Geotechnical Engineering include the following:
- Subsurface geotechnical Investigations (boreholes and test holes) for the design and construction of;
- Shallow and deep foundation type and depth;
- Bearing capacity and settlement analysis;
- Design and construction of slab on grades and basement slabs and drainage requirements;
- Site grading and drainage requirements;
- Open-cut excavation slopes;
- Groundwater control in excavations;
- Excavation support system design and monitoring;
- Seismic parameters for foundation design;
- Slope and embankments stability analysis and inspections and monitoring;
- Site backfilling requirements and selection of backfill;
- Engineered fill design and placement inspection;
- Asphalt and concrete pavement assessment and design;
- Aggregate studies and survey;
- Pile driving inspection and monitoring;
- Excavation inspections;
- Foundation inspections;
- Compaction testing of soils;
- An underpinning of structures;
- Grading and subsurface draining requirements;
- Offsite disposal options of excess excavated soils;
- Corrosive effects of soils and water;
- Failure investigations (such as embankments and foundations);
- Identify, map, and evaluate potential geo-hazards conditions (karsts, sinkholes);
- Ground Penetrating Radar (GPR) surveys for subsurface non-destructive investigations;
- Site instrumentation and monitoring for pre and post-construction;
- Environmental contaminant mapping;
- Identify, locate and utilize available geological data and Provide cross sections and map interpretations for engineering design;
- Provide Packer Permeability testing and hydrogeology advice;
- Laboratory soil testing;
- Expert witness testimony;
