Client
AXPO AG, Baden, Switzerland
Superior contractor
ARGE Kraftwerk Limmern
Construction period
February 2010 – April 2013
Objects description:
- realized main objects – powerhouse cavern, dimensions LxWxH – 156×30, 6×53 m
- cavern for transformer hall, dimensions 138x24x46 m
- connecting galleries OWVL, VSK, VSDF
Construction technology:
Underground objects were driven by using drilling and blasting works, by NMT – Norwegian Tunneling Method.
Executed works:
- driving of connecting galleries OWVL – lenght 173 m, VSK– lenght 277 m, VSDF– lenght 216 m
- driving of cavern for underground powerhouse, dimensions LxWxH – 156×30, 6×53 m
- driving of cavern for transformer hall , dimensions LxWxH – 138x24x46 m
- primary support of underground objects by using of steel fibre reinforced shotcrete and rock anchors