UEA Trenchless has completed construction of a vital crossing in inner West Sydney as a part of a major infrastructure upgrade for a Sydney power authority. This preventative upgrade project involves replacing key cables supplying power to Sydney’s inner western suburbs before they became unreliable.

Work was completed on the 4 x 200m HDD installations under a large tidal stormwater culvert in a sensitive local community environment. The installation was undertaken using the 9.8T Ditch Witch AT3020 through partial rock ground conditions.

Installation of the crossing was the first construction activity of the major 132kV project that connects two substations in Western Sydney and is critical to successful completion of the overall project and route selection validation.

The most significant challenge overcome by UEA Trenchless during this project was the difficult and unpredictable ground conditions and the tidal nature of the water charged ground.

The project comprised:

  • Four separate parallel HDD under bores of 200m each
  • 3 x 225mm PE
  • 1 x 110mm PE and trenched transitions to PVC concrete encased conduits.

Project management was carried out in close consultation with the client and local government to ensure stakeholders and community members were kept informed about construction activities.

Michelle is a freelance journalist and editor who, as well as covering all the latest and breaking industry news, is a gun proofreader and editor who never misses a trick.

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