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Tunnel Construction Tenders


113 Record Matches Your Request
Showing 1 - 10 Records
Tender Notice Type: Procurement News Country :
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Industry , Infrastructure - Tunnels , Transportation - Railways
Description: Estonia,Finland : Signing of MoU to construct Finland – Estonia undersea rail tunnel
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Tender Notice Type: Procurement News Country : Australia
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Infrastructure - Tunnels
Description: Australia : Part-Closure Of Flinders Street For Metro Tunnel Work
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Tender Notice Type: Procurement News Country : United Kingdom
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Infrastructure - Tunnels
Description: United Kingdom : Construction begins on F35 infrastructure at RAF Lakenheath
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Tender Notice Type: Procurement News Country : United States
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Infrastructure - Tunnels
Description: United States : EPW Hearing Statement: Investing in America’s Surface Transportation Infrastructure: The Need for a Multi-Year Reauthorization Bill
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Tender Notice Type: Procurement News Country : Netherlands
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Infrastructure - Tunnels
Description: Netherlands : Primeur: Tunneltechnische Installaties Rijnlandroute Aangesloten Op Verkeerscentrale R
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Tender Notice Type: Procurement News Country : United States
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Infrastructure - Tunnels
Description: United States : Path Celebrates ‘summer in the City’ With Annual Hoboken Summer Poster Contest
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Tender Notice Type: Procurement News Country : United States
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Infrastructure - Tunnels
Description: United States : Bridges, Tunnels and Rail Advisory
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Tender Notice Type: Procurement News Country : United States
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Industry , Infrastructure - Tunnels
Description: United States : Wolf Administration Joins in Trail Tunnel Groundbreaking
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Tender Notice Type: Procurement News Country : Australia
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Infrastructure - Tunnels
Description: Australia : Works Blitz For Metro Tunnel Entrance
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Tender Notice Type: Procurement News Country : Australia
Tender Category: Banking, Finance, Insurance and Securities (BFIS) , Industry , Infrastructure - Tunnels
Description: Australia : Heysen Tunnels routine maintenance works
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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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