Trenchless technology is a highly efficient, specialist technique using boring equipment for installing pipelines and cable ducts
No dig techniques are both cost-effective and environmentally sympathetic as they can eliminate the need for open-cut trenches.
Auger Boring
- Ideal for boring in a wide range of materials where minimal settlement is critical
- Non-steered method for installing pipes from 150mmØ to 1200mmØ
- During installation the pipe fully supports the ground
- Cut spoil is conveyed by continuous flight auger back to the work pit
Guided Auger Boring
- A steered method used to install gravity pipes from 100mmØ to 900mmØ
- Prior to product pipe installation a pilot bore is driven to line/level ensuring gradient of the pipeline
- All aspects of this method fully support the ground during installation
- Ideal for boring in range of materials where accuracy and minimal settlement are critical
Directional Drilling
- Horizontal directional drilling is used for installing pipes from 25mmØ to 1200mmØ
- Ideal for bores from 25 metres up to 1500 metres in a wide range of ground conditions
- Can also be curved to bypass obstacles
- Typically a surface launched technique, steered both horizontally and vertically
HDD Rock Drilling
- Horizontal directional drilling (rock drilling) is used for installing pipes from 25mmØ to 1200mmØ
- Suitable for bores from 25 metres up to 1500 metres in various rock strengths
- Surface or pit launched technique, steered both horizontally and vertically
- Ideal for boring in rock formation where it is impractical to open cut
» More about HDD Rock Drilling
Pipe Ramming
- Non-steered method using pneumatic equipment for driving steel pipes from 150mmØ to 1600mmØ without the need for a thrust-wall
- Driven either from a pit or above ground level
- Spoil inside pipe remains in situ until bore completion
- Ideal for boring in loose ground, under rivers and through embankments or where minimal settlement is critical
