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Rimic Civil Pty Ltd Microtunnelling and Open Trench Civil Contractors |
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Microtunnelling, Boring and Trenchless Technology Rimic Civil has an expert microtunnelling service as a pipe laying solution in difficult or inaccessible ground conditions. Our Micro Tunneller can perform in a range of soil conditions, and the process is extremely precise with pipe typically being laid within millimetres of design.
Microtunnelling is particularly suited for gravity sewer applications where a high level of accuracy is required. A wide variety of pipe materials can be installed including Concrete, Steel and PVC Piping.
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Once a shaft has been created at both the start and end of the planned installation line, the Micro Tunneller is lowered into position and a pilot pipe is driven underground towards the target shaft. A cutter head, screw conveyor and the pipe to be installed are then attached and jacked behind the 'pilot' hole. The cutter head bores through the soil as new segments of the pipe are attached and driven forward. Once the pipe has reached the target shaft, the auger and casing inside the pipe are extracted completing the pipeline, this method eliminates the need for grouting.