Installing a pipeline under a railway poses a number of challenges to contractors, and if any problems are encountered, the project could experience lengthy delays and extra costs. Here, microtunnelling expert Stuart Harrison looks at some of the key challenges and how these can be mitigated by selecting a microtunnelling contractor with the right equipment. Utility Magazine – 19 June 2019

Changing ground conditions

Understanding the prevailing ground conditions is key to achieving a successful microtunnelling installation, as this will determine the tooling used and help the contractor plan.

“The more that the contractor knows about the ground conditions at and around the site, the less chance there is of unexpected complications occurring,” Mr Harrison said.

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