Client Vegegardin, Iceland Contractor Joint-Venture ÓSAFL (Company: IPC, Iceland + Marti Contractors Ltd., Switzerland) Construction period August 2008 – August 2009 Objects description: tunnel is a part of the road Óshlið No. 61 between the villages Bolungarvík and Ísafjörður in district Westfjarðar Construction technology: Excavation works were carried out by using drilling and blasting works,…
Client Greenland Energy Authority , Greenland Superior Contractor ÍSTAK Greenland, Greenland Construction period October 2007 – October 2009 Objects description: access service tunnel to the underground powerhouse underground powerhouse tailrace tunnel main headrace tunnel Construction technology: All underground galleries were excavated by drilling and blasting works, NMT (Norwegian Tunnelling Method). Executed works: driving of access…
Client Národná diaľničná spoločnosť,a.s. Bratislava Superior Contractor “IS – Marti Contractors” Consortium Construction period April 2006 – December 2009 Objects description: east portal section west portal section right tunnel tube left tunnel tube escape galleries roadway and pavements in tunnel waste waters discharge drainage waters discharge Construction technology: Tunnel was driven by NATM – (New…
Client Municipality of Sofia, Bulgaria Main Contractor Taisei Corporation, branch Bulgaria Construction period September 2008 – December 2009 Objects description: tunnel boxes rotation shaft connecting with tunnel boxes reinstatement of subway Construction technology: Mechanical excavation, open cut excavation. Executed works: underpinning of metro foundation tunnel boxes concreting cut and cover tunnel – west tunnel tube…
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…
Client Landsvirkjun /National Power Company/ Superior contractor ÍSTAK hf, Iceland Construction period August 2008 – October 2008 Objects description: tunnel Grjóta is an aqueduct of the water tank and dam Grjóta tunnel was excavated at the same time from two sides tunnel has two portals – P6 and P7 Construction technology: Excavation works were carried…
Client Slovenská správa ciest, Investorský útvar Žilina Construction period September 2003 – May 2004 Structures description: Exploration gallery – escape corridor of the site Motorway I/11 Čadca – town bypass, part Bukov – Horelica Completed structures: SO 206-12 Exploration gallery – escape corridor Exploration gallery – escape corridor with main cross-section profile of 13 m2,…
Client Landsvirkjun (National Power Company), Iceland Superior Contractor IMPREGILO S.p.A. Iceland Branch Construction period March 2005 – June 2006 Objects description: company executed excavation works at construction of feeders from dam to the underground hydroelectric power station Kárahjúkar Construction technology: Tunnels were excavated by using drilling and blasting works, by NMT – (Norwegian Tunnelling Method).…
Client Landsvirkjun (National Power Company), Iceland Superior Contractor FOSSKRAFT J.V., Reykjavík, Iceland Construction period November 2003 – December 2004 Objects description: Kárahjúkar Powerstation KAR 15 with service capacity 690 MW company realized excavation works at construction of underground objects of the underground powerhouse and associated galleries Construction technology: Excavation works were realized by drilling and…
Client Národná diaľničná spoločnosť,a.s. Bratislava Superior Contractor TAISEI Corporation Construction period October 2003 – December 2005 Objects description: T 401 north portal for tunnel driving T 403 driven tunnel – west tunnel tube (secondary lining) T 404 driven tunnel – east tunnel tube (secondary lining) T 405 escape corridors (secondary lining) T 406 north portal…
Client Dopravný podnik hl. m. Prahy, a.s., Praha Superior Contractor Subterra, a.s., Praha 4 – Braník Construction period April 2002 – April 2003 Structures description: Excavation and primary lining of single-line tunnels from working shaft at site Metro IV. C1. Completed structures: SO 04-24/01 – Single-line tunnels behind station Kobylisy – LTT – boring a…
Client Prague – capital city, Town investor department of the Municipality in Prague, represented by VIS, a.s., Praha 4 – Braník Superior Contractor Subterra, a.s., Praha 4 – Braník Construction period March 2003 – January 2004 Structures description: Secondary lining of tunnel splits in west and east tunnel tube. Delivery and assembly of inner constructions…
