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Woodsmith Mine
Großbritannien, Whitby, North Yorkshire
2019 – heute

Sirius Minerals currently develops a polyhalite mine in a sensitive local landscape, the North York National Park. To receive permission for mine development the company has to abide by strict environmental limits, which govern all activities during the construction phase. To reduce the visual impact of the mine shaft the head frames will be sunk below ground and surface buildings will be kept to a minimum.

The project area contains the largest, highest grade resource of polyhalite worldwide. Sirius Minerals aims to start with material production by end of 2021. Once the mine is at full operation, a capacity of up to 20 million tons per annum is awaited.

Two shafts with a shaft depth of approx. 1,600 meters each are required for mine development, which will be the deepest shafts sunk so far by the Shaft Boring Roadheader. For the shaft sinking contractor DMC Mining Services it will be the second project to use a Herrenknecht SBR.

The design of the SBR has been modified according to the lessons learned and the project specific requirements. The roadheader based SBR enables the shaft sinking crew to cut variable shaft diameters of up to 12 meters in soft to medium hard rock. Due to the telescopic design of the boom the machine can excavate approx. 1.2 meters of shaft before the SBR itself has to be released from its stable vertical position and lowered by the shaft ropes. With a high shaft sinking rates, enhanced labor safety and the flexibility to react to challenging requirements resulting from strict environmental limits the SBR is prepared to contribute to the success of the North Yorkshire Polythalite Project.


Land, Ort

Großbritannien, Whitby, North Yorkshire


2019 – heute


Shafts for potash production


Heterogeneous ground, rock


1.600 m


2 x SBR
Diameter: 7,450 – 10,500mm
Cutting drum power: 600kW
Cutting drum torque: 75/100kNm
Pneumatic mucking system: 35,000m³/h

Ihre Ansprechpartner Kontaktieren Sie uns

Jack Brockway Geschäftsführer Herrenknecht Tunnelling Systems USA Inc.
Gerhard Goisser COO Herrenknecht Tunnelling Systems USA, Inc.