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Underground hydroelectric power station Sisimiut, Greenland

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Underground hydroelectric power station Sisimiut, Greenland

Client: Greenland Energy Authority, Greenland

Superior Contractor: Ístak Greenland, Greenland

Structures description:

  • Realization of excavation works at all power station underground structures
  • Acces tunnel is of 125 m length and 26.3 m2 profile, access tunnel includes the following: transformer hall of 25m length and 58 m2 profile and storage niche of 12 m length and 49 m2 profile
  • Powerhouse is of 28 m length, 11m width and 23 m height. The powerhouse covers feeder and discharge corridors with variable profile from 7 m2 to 18 m2 and total length of 72 m
  • Tailrace tunnel is of 166 m length and 18 m2 profile

Construction technology:

Excavation works are performed by drilling-blasting works, primary support is perfomed only locally with mechanical CT anchors and shotcrete with wire.Boring works are executed with Atlas Copco L2C machines with hammers of 22 kW. Loose industrial blasting agent DAP with NONEL, non electrical ignition is used at blasting works.

Construction period: October 2007 – June 2009

Podzemná hydroelektráreň Sisimiut, GrónskoPodzemná hydroelektráreň Sisimiut, GrónskoPodzemná hydroelektráreň Sisimiut, GrónskoPodzemná hydroelektráreň Sisimiut, GrónskoPodzemná hydroelektráreň Sisimiut, GrónskoPodzemná hydroelektráreň Sisimiut, GrónskoPodzemná hydroelektráreň Sisimiut, GrónskoPodzemná hydroelektráreň Sisimiut, GrónskoPodzemná hydroelektráreň Sisimiut, GrónskoPodzemná hydroelektráreň Sisimiut, GrónskoPodzemná hydroelektráreň Sisimiut, Grónsko
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TUBAU, a.s.
K Cintorínu 561/45
010 04 Žilina – Bánová
SLOVAK REPUBLIC

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TUBAU, a.s.
Pribylinská 12
831 04 Bratislava
SLOVAK REPUBLIC

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ZA tel.: +421 41 723 55 85
BA tel.: +421 2 49 11 53 50
email: tubau@tubau.sk
email: zakladania@tubau.sk

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