Ground Investigation

Ground Investigation Department provides proficient and professional services on exploration and investigation of sub-surface ground condition and site formation, stability studies of foundation, slopes and retaining walls. All the working methodologies are strictly adhered to Geoguides 2 and 3 issued by Civil Engineering and Development Department and relevant international standards.

Our major ground investigation services illustrate as follow:

  • Excavation of inspection pits, trial pits, slope surface stripping and sinking of probes
  • Rotary drilling with associated sampling, field testing and installation of instrument
  • Wireline core drilling to retrieve core samples
  • Laboratory testing on soil and rock samples

Scope of Works:

  • Excavation of trial pits and trial trenches
  • Rotary / Wireline drilling
  • Stripping of slope surface protection
  • Field testing:
    1. Standard penetration test
    2. Vane shear test
    3. Permeability tests
    4. Water absorption test
    5. Impression packer test
    6. Borehole televiewer
    7. Pressuremeter test
    8. ?œEastman?�test
    9. ?œPajari?�test
    10. Pumping test
  • Installation and monitoring of geotechnical instrumentation:
    1. Standpipe piezometer
    2. Pneumatic piezometer
    3. Vibrating wire piezometer
    4. Inclinometer
    5. Magnetic extensometer
    6. Automatic groundwater monitoring device

Latest Works

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