Berlin Unter den Linden station
The future subway station Unter den Linden is a under construction interchange station of the Berlin U -Bahn. It is built as part of the extension of the U5 from Alexanderplatz to the Brandenburg Gate, with its construction in 2010 (first sod ) was started. The station is located at the intersection with the existing line U6, its opening is planned for 2019.
It is not identical with the S-Bahn station Brandenburger Tor, which bore the name until 2009 Unter den Linden.
Planning
The crossing station was, as well as the underground station Brandenburger Tor, by the Berlin office Hentschel / Oestreich designed.
Built a T-shaped junction station with the existing metro line 6 at the intersection of the boulevard Unter den Linden and Friedrichstrasse. The U5 is given a central platform in 15 meters deep under road above, the U6 contrast, two side platforms in about four feet of water. A concourse under the southern half of the road junction serves as the distributor level. From here access can be created on both sides of the Friedrichstraße promenade to the center of the street Unter den Linden. Another access is also planned at the eastern end of the U5 platform in the central promenade to Charlotte Street. Furthermore, the side platforms of the U6 obtain access at the southern end between Rosemary Street and Behrenstraße respectively. The platforms of the U5 and U6 are connected with escalators and also has two leading up to the surface lifts.
The railway station built in cover design. The road was moved this from July 2012 to the northern half of the road Unter den Linden, Friedrichstrasse was completely blocked in this area. First, the existing tunnel of U6 was built back in this area, the U6 was interrupted for this purpose until November 16, 2013 between the Friedrichstrasse train stations and French Street. Subsequently, the manufacture of the slot walls, the HDI - sole and the lid under the protection then the new station is established is performed. Here, the station area for the U6 is first built and added to the traffic on this line again. The station area for the U5 is built after passage of the tunnel boring machine and production of the two running tunnels for the U5.
All plants for operational equipment, such as power, telecommunications, climate control and a rectifier plant to supply the trains with traction current to be installed in the underground station building.
The completion and commissioning is planned template along with the track extension for the middle of 2019: Future / In 5 years. The somewhat further south Metro Station French street is shut down due to the short distance to the new train station Unter den Linden after its completion. He retained, however, as a building.
Construction
From late 2010 to early 2012 involved extensive Leitungsumverlegungen later in construction area.
The first batch for the manufacture of the shell forgave the Berlin Transport Services ( BVG) in late January, 2012. It includes the start shaft for the tunnel boring machine, the tunnel in the area of shield tunneling, stations Unter den Linden and Museum Island as well as a track change facility. The contract is valued at approximately 190 million euros.
In February 2012, had to prepare the construction offset 54 Linden are made. After completion of construction of new trees are planted, for some trees in the immediate vicinity of the new station this irrigation aids are provided.
The traffic in the tunnel of the U6 in the construction area was interrupted from June 30, 2012, then performed preparatory work. The main construction work for the new crossing station began in August 2012. Having located the station later in the Tunnel section of line U6 was completely canceled, the new part of the structure could be built with a length of around 140 meters. This includes a cross-section of 18.25 meters x 6.80 meters and later took the two new external U6 platforms on. Approximately 13,500 m³ of concrete and 3050 tons of reinforcing steel were used for this purpose. The reopening of the line U6 in this area took place on 17 November 2013.
Connection
The metro station is a hub, between the then extended line U5 and U6 as well as numerous bus lines of the Berlin Transport Authority.