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Newark’s “Siege Breaker” TBM completes its nine-month mission

Severn Trent Water has said that work on a 3km long tunnel has been completed in Newark as part of its £60M investment in upgrading the water and wastewater network in the town.

newark 20 sb 20 breakthrough

newark 20 sb 20 breakthrough

The tunnel boring machine (TBM) operated by main contacting joint venture BNM Alliance – named Siege Breaker – completed its nine-month drive at 15m below ground level from Crankley Point to Millgate.

BNM Alliance, which is formed by Barhale and Midland Construction, said that the TBM is the largest of five planned for the Newark scheme and is the largest at 75m long and 2.85m in diameter. The TBM was named Siege Breaker by a local resident as the launch shaft is located in an area where Newark’s civil war siege of the 1600s is said to have taken place.

Barhale has said that the new tunnel forms the “backbone” of the upgrade in Newark.

Severn Trent Water programme engineer Nick Wallace said: “It’s really exciting that the Siege Breaker has completed its journey, this is such an important part of the project that will play a huge role in making sure the people of Newark won’t have to worry when it rains anymore, as these bigger and better sewers will help protect their homes from flooding.

“By tunnelling, we’ve been able to massively reduce the disruption caused to the town by our scheme, as the majority of the work is taking place under the roads, rather than on them.”

Source: Severn Trent Water

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