Vermunt exploration shaft

Underground Mining Power station construction

Exploration shaft for the PSKW Obervermunt

Project data

Vorarlberger Illwerke AG
Building Method
conventional tunnelling
Order sum
1.3 million EUR
Period of implementation
January 2010 - January 2011
Diameter / Cross-section
13.5 m²

Sekretariat Untertagebau
+43 5556 7181-817

For project studies in the vicinity of Silvretta-Vermunt, an exploration shaft of approx. 370 m in length was driven into the mountain for geological, hydrogeological and mechanical exploration purposes. The tunnel has an 18% gradient and a cross-section of 13.6 square metres. Core drilling and experiments were undertaken in the interior after the tunnelling operations. The Vermunt exploration shaft was created out of the existing Krespa tunnel using falling blast tunnelling.

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