Successful Reuse of AVN Microtunnelling Machine in France


In the little French town of Plobsheim near Strasbourg, a joint venture consisting of the contractors Valentin and SMCE Réha has modernized the municipal drinking water system. Several pipe jacking drives were carried out using an AVN1200 microtunnelling machine. The longest section runs through groundwater in a noncohesive geology and crosses under a busy highway. Since the beginning of 2018 the Plobsheim well has been connected to the urban grid.


Bauer Spezialtiefbau GmbH has finished a Cut-off Wall in Mauritius

The island nation of Mauritius is getting a new dam for a water reservoir that will ensure supply of drinking water for the population. The last panel of the cut-off wall was constructed on 9 May 2015, almost exactly a year after work commenced for the EUR 35 million Bagatelle Dam Project. Reason enough for a small celebration, which Prof. Thomas Bauer, Chairman of the Management Board of Bauer AG, also took part in, along with the Chinese ambassador as well as representatives of the China International Water & Electric Corp., the project's main contractor.


World Record for Las Vegas: mechanized Tunnelling with Herrenknecht TBM under high Pressure

Herrenknecht Lake Mead TBM

In the U.S. state of Nevada, a machine from Herrenknecht has bored a tunnel for the Las Vegas water supply. In the process, new world records were set: the high-tech boring machine (Ø7.2 meter) had to withstand water pressure of 15 bar. The city draws its water from Lake Mead, the largest reservoir in the country. But its water level is dropping, the existing water intakes are at risk. In order to tap the water deep down in the lake in future, for three years the tunnel boring machine bored its way through extremely adverse ground conditions.


Arcadis wins two major Contracts with one of the largest Water Supply and Waste Water Treatment Firms

Arcadis (EURONEXT: ARCAD), the world's leading natural and built asset design & consultancy firm, today announced that its Brazilian subsidiary Arcadis Logos has signed two contracts with Sabesp, one of the largest water supply and waste water treatment firms in the world. One contract is valued at US$12,8 million, for a period of 2 years, the other at US$39 million for four years. Sabesp is the company responsible for providing water supply and wastewater treatment to 364 municipalities in the State of Sao Paulo (Brazil).


Ridracoli Dam, built by Salini Impregilo - Set for Vasco Rossi' latest Video

Vasco Rossi, the Italian rock star, has chosen Ridracoli Dam, built by Salini Impregilo and an excellent example of the balance between engineering and the environment, as the set for his latest video. Built by Impregilo (as part of the CORIDRA Consortium) between 1975 and 1982 in the upper valley of the Bidente River, in the Romagnol Apennines, in the province of Forlì-Cesena, the dam is the unique setting for the breathtaking video of "Come vorrei," (How I'd like), a song from "Sono innocente" (I'm innocent), the singer's latest record.

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