Edge Underground has successfully tackled a complex microtunnelling job in Victoria.

When the company was contracted by engineering firm Diona, the technical survey made it clear that the ground conditions at the site would result in a uniquely challenging job.

The pilot line put in place by the workers at the site showed that the actual ground conditions were even more difficult than originally thought. The team would have to bore through hard rock, clay seams and partial fracturing that posed a wedging risk.

Edge Underground has developed a reputation for taking on the difficult jobs. The company specialises in high precision microtunnelling, laser boring, auger boring and thrust boring. It has been responsible for installing sewer and water pipelines throughout Victoria and the east coast.

With this extensive experience behind it, Edge Underground utilised cutting-edge vacuum technology which was designed to retract, allowing the pilot line to be completed and ground conditions verified.

Other jobs have found Edge Underground taken on different challenges, from complicated tunnelling to working in harsh weather and even under the risk of flash flooding.

In June, the Donnybrook Link Branch Sewer Stage 2 – which was completed by the company in Melbourne – won the ASTT New Installation Project of the Year Award.

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