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Tunnel Construction Tenders


251 Record Matches Your Request
Showing 1 - 10 Records
Tender Notice Type: Procurement News Country : Netherlands
Tender Category: Infrastructure - Tunnels
Description: Netherlands : ProRail and Hegeman drive tunnel into Utrecht Locomotiefstraat
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Tender Notice Type: Procurement News Country : Australia
Tender Category: Infrastructure - Tunnels
Description: Australia : Australia's longest tunnel proposed for Great Western Highway upgrade
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Tender Notice Type: Procurement News Country : Poland
Tender Category: Infrastructure - Tunnels , Infrastructure and construction , Infrastructure - Roads and Highways
Description: Poland : We have signed a contract for the documentation of the Cz?uchów bypass
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Tender Notice Type: Procurement News Country : Sweden
Tender Category: Infrastructure - Tunnels , Infrastructure and construction
Description: Sweden : Skanska builds highway section and tunnel in Viš?ové, Slovakia, for EUR 255M, about SEK 2.6 billion
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Tender Notice Type: Procurement News Country : Serbia
Tender Category: Infrastructure - Tunnels , Transportation - Railways
Description: Serbia : Chortanovci tunnel and viaduct - the largest infrastructure and investment project in this part of Europe
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Tender Notice Type: Procurement News Country : Bosnia And Herzegovina
Tender Category: Infrastructure - Tunnels
Description: Bosnia and Herzegovina : Minister Lasic visited the construction sites on the sections of Corridor Vc
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Tender Notice Type: Procurement News Country : Spain
Tender Category: Infrastructure - Tunnels , Transportation - Railways
Description: Spain : Adif is putting out to tender a contract for the comprehensive management of protection and security facilities in various burial sites and tunnels in Andalusia
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Tender Notice Type: Procurement News Country : United Kingdom
Tender Category: Infrastructure - Tunnels
Description: United Kingdom : HS2 reveals the innovative slurry treatment technology supporting the Colne Valley ‘rewilding’ project
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Tender Notice Type: Procurement News Country : Singapore
Tender Category: Infrastructure - Tunnels , Infrastructure and construction
Description: Singapore : LTA Awards Civil Contract for Design and Construction of Pasir Ris Interchange Station and Tunnels for the Cross Island Line Phase 1
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Tender Notice Type: Procurement News Country : United Kingdom
Tender Category: Infrastructure - Tunnels , Industry - Machinery
Description: United Kingdom : Final call for Warwickshire residents to name HS2’s Tunnel Boring Machine
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Tunnels are dug in various types of materials, from soft clay to hard rock, and the method of excavation depends on the ground conditions.

Cut-and-cover is a simple method of construction for shallow tunnels where a trench is excavated and roofed over. A strong overhead support system is required to carry the load of the covering material.

The Seikan Tunnel in Japan is the longest rail tunnel in the world at 53.9 km (33.5 mi), of which 23.3 km (14.5 mi) is under the sea.

The Channel Tunnel between France and the United Kingdom under the English Channel is the second-longest, with a total length of 50 km (31 mi), of which 39 km (24 mi) is under the sea.

The Lötschberg Base Tunnel in Switzerland is the longest land tunnel, with a total of 34.5 km (21.4 mi).
 
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