Fieldwork operations are carried out in accordance with BS5930 & BS1377

  • Cable percussion drilling (150mm, 200mm, 250mm diameters)
  • Rotary Core Drilling (AQ, BQ, NQ, HQ, PQ, Geobore S)
  • Rotary Percussive Drilling
  • Excavation and logging of Trial Pits and Slit Trenches
  • Static Cone Penetration Tests (CPT)
  • Dynamic Probing (DPH)
  • Cobra and Macintosh Probing
  • Window Sampling
  • Standpipe Installations (Gas, Water)
  • Vibrating Wire and Pneumatic Piezometers
  • Inclinometer Installation and monitoring

Rotary Drilling Operations

In-Situ tests carried out by experienced Site Engineers include:

  • Plate Bearing Tests
  • CBR tests
  • Density
  • Shear Vane (H10 and H70)
  • Pump Tests & Infiltration Tests
  • Permeability Tests (Variable Head, Packer Tests)
  • Gas and Water Monitoring
  • Data Logger Installations
  • Core Orientation
  • discontinuity / fracture mapping
  • Borehole Logging (Rock and Soil)
  • Surveying using GPS Surveying Units



Cable Percussive Drilling - Corrib Gas Foreshore Pipeline