Category Archives: Civil and Environmental Drilling

Civil / Environmental

Civil / Environmental

Ground Anchors | Cathodic Protection | Core Drilling | Diamond Drilling

Underdale Drillers will undertake a wide range of civil drilling services including investigative drilling for building projects, road construction, preparative work for bridge and overpass costruction testing for slope and incline stability.

Our environmental capabilities include investigation by the installation of monitoring wells and insrumentation and probes, testing of soils at depth and analysis of groundwater reserves.

We employ equipment including continuous or hollow flight augers drilling, SPT (Standard penetration test), rotary air, mud or down hole hammer drilling, reverse circulation, diamond coring, conventional or wireline coring, undisturbed sampling and piezoelectric transducers installation.


  • Earthing & rod installation
  • Site investigation


  • Cathodic Protection (control the corrosion of a metal surface by making it work as a cathode of an electrochemical cell).
  • Piezo installation (piezoelectric transducers to measure dynamic stresses in drilling and mine working).


  • Soil Nails & Ground anchors
  • Drill & Blast
  • Piers – 100mm to 2000mm


Profiling done in situ by penetrating probes to produce soil and rock samples for further investigation:

  • Auger Drilling
  • Continuous flight
  • Hollow flight soil testing