Tunel Gubrist
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Road tunnel Gubrist, 3. tube (Los 201), Switzerland

References – underground works

Client Bundesamt für Strassen ASTRA, Wintenthur, Switzerland General contractor ARGE Tunnel Gubrist, Moosseedorf, Switzerland Construction period February 2018 – March 2021 Description of the objects: Project 3rd Tube of the tunnel Gubrist is a part of the building of the north bypass of Zürich and consists of the following object: Driven tunnel in the length of…

Diaľnica D1 Hričovské Podhradie
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Motorway D1 Hričovské Podhradie – Lietavská Lúčka, Tunnel Žilina, Tunnel Ovčiarsko

References – underground works

Client National Motorway Company, Slovakia General Contractor Doprastav a.s. Žilina Construction period March 2017 – February 2018 Object description: Cut-and-cover parts of the tunnels Ovčiarsko and Žilina Construction technology: Concreting to shifting formwork system Executed works: Reinforcement, formwork and concreting of foundation slabs, invert vaults and secondary lining.

Búrfell
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Underground Hydro Power Plant Búrfell, Iceland

References – underground works

Client Landsvirkjun, Iceland General contractor ÍAV Marti Búrfell sf. (JV – Íslenskir aðalverktakar hf., Marti Contractors Ltd., Marti Tunnelbau AG) Construction period April 2016 – October 2017 Object description: Extension of existed hydro power plant with additional increase in power to 100 MW constructing new ground and underground object. Construction technology: Tunnels are driving with drill&blast works by…

Cestný tunel Oberau
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Oberau road tunnel, Germany

References – underground works

Investor Autobahndirektion Südbayern – München, Motorway company, Germany General contractor Joint Venture (Arbeitsgemeinschaft) Tunnel Oberau – Member of JV: TuCon a. s., Slovakia Construction period September 2015 – April 2020 Description of the objects: State road Bundesstraße 2 (B2) München – Garmisch-Partenkirchen, Oberau village bypass, Oberau Tunnel, Germany double – tube road tunnel with a total…

Imberg
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Railway tunnel Imberg, Germany

References – underground works

Client DEUTSCHE BAHN AG (DB), German railway company Main contractor Marti GmbH Deutschland, Germany Construction period November 2015 – August 2016 Object description: Neubaustrecke (NBS) Wendlingen-Ulm Planfeststellungsabschnitt (PFA) 2.3VE 230-3 Tunnel Imberg –formwork and concreting works of secondary lining. Single tube – double track railway tunnel in the total length of 499,00 m – driving part in…