Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive Search

Brazil

Brazil

Technical and economic feasibility study for line 3 to be carried out by Noronha ... More Information



Permalink

Brazil

Santa Catarina tunnel under Morro do Boi hill is 1.0 km-long with face section of 100 m킲 in ... More Information



Permalink

Brazil

Prequalification bids submitted for 11.9 km first phase of proposed 14.5 km metro from Lapa to ... More Information



Permalink

Brazil

Shortlist of contractors to build US$329 million first phase of metro involving 2.3 km ... More Information



Permalink

The State of Ceará’s Secretary for Infrastructure secured to the FTS East Line ... More Information



Permalink

Brazil

  Extension from Paulista through Republica to Luz under the city ... More Information



Permalink

Poyry and Brazilian consultant EBEI have been awarded the five-year contract for project ... More Information



Permalink

Isolux Corsan (Madrid) has been awarded the two contracts for the second phase of the construction ... More Information



Permalink

TC-Linha 4 Amarela, the joint venture of Tiisa Infraestrutura, Investimentos S/A and Comsa S/A ... More Information



Permalink

Bulgaria

Bulgaria

Prior information notice for the detailed design and completion of the railway tunnel n.1 ... More Information



Permalink

Open invitation to tender, deadline 10/04/2023, for the doubling and electrification of the ... More Information



Permalink

Postponed to 09/05/2023 the deadline of the open invitation to tender for the doubling and ... More Information



Permalink

The Consortium DZZD FERROVIA NORD-SUD 2023 from Sofia, EDILIZIA GLOBALE AD from Sofia ... More Information



Permalink

Bulgaria

Open invitation to tender, deadline 03.08.2018, for the modernization of the railway section Elin ... More Information



Permalink

The Consortium Cengiz Construction-Duygu Engineering secured the EUR255.03 million ... More Information



Permalink

The consortium Strabag AG - Bulgaria Branch, Strabag Sp.z.o.o. - Bulgaria Branch, Strabag Rail ... More Information



Permalink

Bulgaria

The deadline has been postponed from 25.01.2016 to 25.02.2016 for the open invitation to ... More Information



Permalink

The awarding procedure for the open invitation to tender for design and construction of the 4.46 ... More Information



Permalink

The contract for design and construction of 2km twin tube Jeleznitsa/Zheleznitsa Tunnel on Struma ... More Information



Permalink

Open invitation to tender, deadline 19.02.2019, for design and construction of the 10.4 km ... More Information



Permalink

Open invitation to tender, deadline 27.11.2017, for design and construction of the 4.46 km Struma ... More Information



Permalink

Open invitation to tender, deadline 14.02.2019, for design and construction of 13.2 km of the ... More Information



Permalink

Bulgaria

Call for expressions of interest, deadline 16.07.2010, for technical design and preparation of ... More Information



Permalink

Bulgaria

In August 2007, the Bulgarian ministry of transport awarded Iberinsa and ILF the design services ... More Information



Permalink