Client
Scottish and Southern Energy plc
Superior Contractor
Hochtief Glendoe Joint Venture
Construction period
April 2006 – April 2008
Objects description:
- main access tunnel
- tailrace tunnel
- adit tunnel
- underground powerhouse
- headrace tunnels
Construction technology:
Tunnel was driven by using drilling and blasting works, by NMT (Norwegian Tunnelling Method).
Executed works:
- driving of the main access tunnel, profile 43,74 m2, length 1 250 m
- driving of the tailrace tunnel, profile 43,10 m2, length 315 m
- driving of adit tunnel, profile 35,80 m2, length 120 m
- driving of cavern for the powerhouse, height 32,9 m, width 19,5 m, length 46,8 m
- driving of headrace tunnels, profile 20 m2, length 7 117 m
- primary support of underground objects by using of steel fibre reinforced shotcrete and rock anchors