USA

Norris Cut Projekt: Tunneling at Florida’s Coast

In February 2016 construction company Bessac completed work on the Norris Cut protection tunnel in extremely difficult geology in South Florida. Norris Cut is a shallow inlet between Fisher Island and Virginia Key, just south of the Main Channel to the Port of Miami.  In just ten months and using a customized machine designed especially for the mission, a “Herrenknecht Combined Shield” (HCS, diameter 3.13 m), 1613 m were tunnelled adhering to the highest safety standards. A new sewer line was installed in the finished tunnel – after half a century in use the old pipe was simply worn out.

The...

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USA

Norris Cut Project: Tunneling at Florida’s Coast

In February 2016 construction company Bessac completed work on the Norris Cut protection tunnel in extremely difficult geology in South Florida. Norris Cut is a shallow inlet between Fisher Island and...

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Issue 2018-05 Czech Republic

Railway Tunnel between Rokycany and Pilsen

A convertible Herrenknecht multi-mode tunnel boring machine (Ø 9,890?mm) was used to modernize the Czech railway line between Rokycany and Pilsen. The machine excavated two tunnels, each about 4?km...

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Issue 2019-03

Job Offer

STUVA seeks Engineer for Fire Protection and Safety (m/f/d) The STUVA is looking for an engineer of any sex to expand its team in the long term on the fire protection and safety sector. The new...

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Issue 2014-02 USA

Port of Miami Tunnel is set to be opened in May

As link to the Interstate 195 and 95 freeways the 1.2 km long Port of Miami Tunnel with two bores, each with two lanes, underpasses the channel for the world’s biggest cruise ship harbour on the...

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Issue 2017-08 Switzerland

Breakthrough at the Bözberg Tunnel

An important milestone for the 4 m corridor: On 29 November 2017, the tunnel boring machine broke through the last few metres of the Bözberg in Effingen. Due to the presence of unstable rock at the...

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