SERVICES WE OFFER
There is no typical client. There is no typical job.
We offer services ranging from simple execution – right through to full EPCM - and everything in between.
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Horizontal Auguring/Auger Boring
A method for installing pipes and cable ducts wherein the pipe fully supports the ground during the boring process. Continuous auger flights contained within a steel pipe are rotated, cutting while the pipe is being simultaneously pushed into the ground. The ground is supported by the pipe itself, and the process is minimally invasive.
The auger flights convey the spoil back to the work pit for collection and disposal.
Can handle product or casing pipes from 600mm minimum to 1850mm maximum over distances from 5 m to 130 m in length. Used in instances where conventional open cut methods are not committed, practical; economically or environmentally viable.
A pneumatic hammer is used to push steel casings through the ground. Used In instances where auguring is not feasible – I E - sands and and cobbles.
The work area for Pipe ramming is confined to the entry and exit points, leaving the balance of the ground undisturbed.
When the desired length is achieved, the spoil inside of the pipe is removed by auguring, compressed air or water.
Does not generate slurry. Ideal for working in changeable ground conditions or embankments. Dry installation method – does not generate slurry.
A steered method generally used for the precise installation of gravity pipes. Generally used in areas where accuracy and minimal settlement are required.
Once the entry and exit pits are constructed – a pilot bore is driven to line and level – using a theodolite and digital camera to get real time monitoring . When the pilot bore is complete, a reaming head and auguring tubes are inserted, following the pilot bore and widening the opening to the desired diameter.
GBMs are becoming increasingly sophisticated in order to deal with underground congestion in major metropolitan areas.
Powerful hydraulic jacks are used to push specially designed pipes behind a shield at the same time as excavation is taking place and advancing within the shield. Generally referred to as micro tunnelling in smaller diameter's – pipes up to 3000 mm can be inserted with a high degree of accuracy.
The jacking frame can work in conjunction with range of mechanical and remote control excavation systems.
Precise positioning of the guide rails within the thrust pit and aditional surveying equipment can be used for shorter pipe jacking lengths – while longer lengths generally use a sophisticated steerable system.