Horizontal Directional Drilling Brisbane & Toowoomba (HDD) HTD Australia
HTD Australia is a Brisbane, Queensland based company specialising in horizontal directional drilling / underground boring services for the installation of conduits under paths, driveways, roads, rail, congested and environmentally sensitive areas.
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Horizontal Directional Drilling Brisbane

Horizontal Directional drilling is a process of installing conduit and pipe underground using a trenchless method. Trenchless Underground Drilling has proven to be faster, more cost effective and a lot less disruptive to existing surfaces whether installing small, large or multiple conduits.


  • Trenchless solution for underground installations without disturbing surfaces
  • Savings in excavations and shoring costs
  • Savings in daily reinstatement costs
  • Removes the possibility of trenching-related accidents
  • Less delays due to unfavourable weather conditions
  • No need to apply for road opening permits for public road works
  • Faster and neater, usually requiring less than half the time needed by
    conventional trenching methods
  • Ideal for sites sensitive to surface disruptions, like golf courses, airport
    runways, busy traffic junctions, difficult site conditions, etc
  • Eliminates the need to level and replace/match pre-existing surfaces
  • Cost effective – prices tend to be similar if not less than traditional trenching methods

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Recent HDD Projects

Aged Care Facility Woombye

8 Bores – Rising Sewer Main – Approximately 800 Meters of Drilling Some of the bores alignment ran under bushland, creeks and difficult terrain. Keeping the grading on the bore was crucial especially on the longer bores as we were installing a sewer main.

Greenbank alongside a Qld Rail Track

Gas Sleeve – Approximately 100 Meters of Drilling. Using our rock-drilling machine we successfully completed this bore through hardened sandstone.

Burpengary New Estate

6 Bores – Rising Sewer Main – Approximately 380 Meters of Drilling. We tackled a few different scenarios for these bores as we were drilling under creeks, roads and bushland.


Various Water Bores – This project consisted of various bores ranging from 21m to 60m that were placed through out the gardens to expand the water service within the gardens. Some of these bores went under gardens beds which we then had to consider the environment around the job site. Some of the bores went under some big trees that have a historic listing to them.


Electrical and Communication Bore – We were asked to complete this project to expand the electrical and communication service through the school. The bore was required to go under a building and through the school grounds all while the school was active with children and staff attending.

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displacement hammers technique

Displacement Hammers

Drill bit

Rock Drilling

underground boring brisbane

Vacuum Excavation