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April 22, 2021 7:51 pm

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Photo by M. Mishin. Press Service of the Mayor and the Moscow Government

It is being built with the help of a 10-meter Victoria tunnel boring complex.

Construction of the last double-track tunnel has begun on the Big Circle Line (BCL) of the metro from the Pechatniki station to the Nagatinsky Zaton station. This was announced by Sergei Sobyanin on his page on the VKontakte social network.


Deputy Mayor of Moscow for Urban Development Policy and Construction Andrey Bochkarevclarified that he would have to work in difficult conditions.

“The 10-meter tunnel boring complex“ Victoria ”will build a tunnel 1650 meters long between the stations under construction on the eastern section of the BCL -“ Pechatniki ”and“ Nagatinsky Zaton ”. The excavation will be carried out in conditions of complex hydrogeology: along the route of the tunnel, passing under the Nagatinskiy Zaton and the channel of the Moskva River, there are water-saturated sands, ”the deputy mayor said.

In addition to Victoria, in the eastern section of the BCL, two more 10-meter tunnel boring mechanized complexes (TPMK) are being drilled.

“TPMK Pobeda works on the section between Klenovy Boulevard and Kashirskaya, and the Lilia shield in March began tunneling between the Nagatinsky Zaton and Klenovy Boulevard stations,” added Andrei Bochkarev.

The general director of Mosinzhproekt JSC, Yuri Kravtsov, specified that another such shield, Nadezhda, is driving a tunnel between the Davydkovo and Aminevskaya stations under construction in the southwestern section of the ring. According to him, a total of four TPMKs with a diameter of 10 meters are involved in the construction of the BCL.

The total length of double-track tunnels in the west, south-west and east of the Big Circle Metro Line is more than 11.5 kilometers, nine kilometers have been covered so far.

The eastern section of the Big Circle Line, which is more than 11 kilometers long, includes four stations: Klenovy Boulevard, Nagatinsky Zaton, Pechatniki and Tekstilshchiki. The opening of traffic on this section will improve the transport accessibility of a number of districts in the south-east of the capital.

The construction of the Big Circle Line is the most ambitious project in the history of the Moscow metro construction. It may become the longest metro ring line in the world, its length will be 70 kilometers. It will house 31 stations, including the Kakhovskaya – Kashirskaya section, and three electric depots. 12 stations are already open to passengers. The BCL will have 23 transfers to other metro lines (taking into account the promising directions to Kommunarka, Biryulyovo and Rublevo-Arkhangelskoye). From the stations of the Big Circle Line, it will also be possible to transfer to the MCC, MCD and at the station of the Moscow Railway.

The construction is planned to be completed in 2022.

EDITOR’S NOTE: This article is a translation. Apologies should the grammar and or sentence structure not be perfect.

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