Geotechnical Services

BOA has an extensive experience on Ground Investigation to investigate ground and groundwater which is to be affected by the proposed developments.

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Followings are BOA’s capability on Ground Investigation:

  • Desk Study
  • Geological mapping
  • Walkover, drive-over and Flyover Surveys
  • Aerial Photo and digital image interpretation
  • Planning, supervision and interpretation of geophysical survey for geological profiling
  • Seismic reflection and refraction
  • Resistivity survey
  • Electromagnetic survey
  • Planning and supervision of geotechnical and geoenvironmental Drilling and Coring, water well drilling and Filed Investigation
  • Test Pitting
  • Trenching
  • Hollow and solid Auguring
  • Percussive drilling
  • Rotary direct Circulation with water, air, foam and fluid flush methods
  • Down the hole hammer
  • In-situ testing and interpretation
  • Standard Penetration Test
  • In-situ Field Vane Shear Test
  • Rotary Reverse Circulation with water, air, foam and fluid flush methods
  • Cone Penetration Test with pore pressure measurement and seismic testing
  • Dilatometer Test
  • Menard pressuremeter, Self-boring pressuremeter and cone pressuremeter testing
  • Auto Ram Sounding & Dynamic cone Tests
  • In-situ Falling, Rising and Constant Head Tests
  • BAT Permeameter Test
  • Crosshole and Downhole Seismic Tests
  • Continuous Flight Auguring
  • Geophysical logging
  • Pumping Tests
  • Constant Discharge Test
  • Recovery TestStep Drawdown TestRock Packer Testing both Single and Double Packer Disturbed
  • Sampling
  • Undisturbed Sampling
  • Piston Sampling
  • Twist Sampling
  • Geo-environmental Sampling
  • Groundwater sampling

Design and Analyses:

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  • Vacuum Preloading
  • Electro-Osmosis Consolidation
  • Stone, Lime and Cement Columns
  • Soil Mixing
  • Ground Engineering Design
  • Ground Anchor and Tie-back designs
  • Slope Stabilization and Soil Nail design
  • Grouting and Grout curtain design
  • Contaminated Land Assessment
  • Impermeable and Hydraulic Barrier Designs
  • In-situ contaminated soil treatment Design
  • In-situ contaminated groundwater treatment Design
  • Water Balance Study
  • Geotechnical Instrumentation Design
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IN-SITU TESTING FOR ASSESSING DEGREE OF IMPROVEMENT

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AUTO RAM SOUNDING IN PROGRESS