Rennes: Where is the site of the b line of the metro?

The tunnel boring machine Elaine at the station Cleunay in Rennes in April 2015. — C. Allain / IEPAS / 20 Minutes

  • Nearly two-thirds of the work is already done.
  • The mission of the tbm Elaine will soon be completed.
  • The first tests are to be carried out on the new trains.

It was on December 19, 2014. The tunnel boring machine Elaine was baptized with great pomp by Manuel Valls, Prime minister. A few days later, the monster of steel
began to nibble the basement of rennes in the district of la Courrouze. Nearly three years later, where in is the construction of the second metro line, which needs to be in service in 2020 ? 20 Minutes is the point on occasion
the open doors of the garage and workshop which will be held on Saturday and Sunday.

The open doors of the garage-workshop #ligneb #metro #Rennes, it is Saturday the 14th and Sunday the 15th of October, from 10h>18h https://t.co/MpN8qsrc9E pic.twitter.com/7JUsOQ5uUQ

— RennesVilleMétropole (@metropolerennes) October 11, 2017
Elaine sees almost the end of the tunnel

Still a station to be drilled and Elaine will finally the light of day. Arrived at the station Big-Oak in the neighbourhood of Maurepas at the beginning of the month, the tunnel boring machine continues its forward march and is expected to reach the station, The Gayeulles by the end of the year. “On the 8.6 kilometres to pierce, Elaine has already travelled 7.2 km “, indicates Xavier Tirel, managing director of the Semtcar, the mixed-economy company of Rennes Métropole in charge of the construction of the line b of the metro.

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BOOM !! At 19: 25 pm bright and smoky, the tunnel boring machine Elaine has officially pierced the tympanum of the station Big Oak tree ! #Rennes #metro #ligneb pic.twitter.com/pEEBJQHQmc

— Laurent Riéra (@LaurentRiera) October 2, 2017

The wells exit of the tunnel boring machine will be installed at the level of the station Joliot-Curie/Chateaubriand. In mid-February 2018, Elaine will, therefore, finished its mission and will then be in technical unemployment. The spacecraft will then separated parts to the factory Herrenknecht, near Strasbourg, where it was built.

The stations begin to take shape

In addition to the tbm, the construction of the metro is also moving ahead in the future stations. To the south of the line, on the cut-and-cover between stations Saint-Jacques/Gaîté and The Courrouze, the big work is already finished. Now Place the second implementation in these two stations, with in particular the coating of floors, the masonry, or the installation of escalators and lifts. The company Siemens is ready also to ask the first tract of the underground level of the garage-workshop of the Courrouze to allow the first tests of trains.


The route of the future line B of the metro under construction in Rennes. – Semtcar

Between stations Cleunay and train Station, the structural work is also completed. “The other stations have suffered a little of late following the collapse of the floor in the store Noz in November, which resulted in a shutdown of the tunnel boring machine for 4 and a half months , “says Xavier Tirel. In the northern part of the line,
the viaduct between the stations, Beaulieu and ViaSilva is expected to be completed in the summer of 2018. “In total, we are almost two-thirds of this enormous construction site “, says the director general of the Semtcar.

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The two trains have already been delivered are waiting to be tested

Assembly at the Siemens factory in Vienna in Austria, the first train of the CityVal arrived at the garage-workshop in the month of June, followed by a second two weeks ago. A third train is then expected to arrive in late November, Britain and the delivery will then continue at the rate of two trains per month.

For the first trains, the time of the first tests will soon be ringing. Static assays will first be conducted by the end of the year, before dynamic tests scheduled for later in 2018. The new metro will then be able to travel a distance of 300 meters in the garage-workshop. Testing will then continue for a distance of 1.4 kilometres between the garage workshop and the future station La Courrouze. “There will be at least two years of testing on the trains,” stresses Xavier Tirel.

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