The underground passage between the Elektrozavodskaya stations of the Big Circle Line and Arbatsko-Pokrovskaya Line is 90% complete, according to Mr. Andrey Bochkarev, Deputy Mayor of Moscow for Urban Planning and Construction.

The Mosinzhproekt Group of Companies is a general designer and general contractor for the construction of new lines and stations of the Moscow Metro.

“The construction of the 95.5-metre-long underground passage under the railroad of the Kazansky direction is the most complicated part of the future underground interchange between the BCL station and the blue line. The tunnelling is carried out by the mining method with the help of small-scale mechanisation, at the same time the cast-iron tubing lining is being installed. These works are gradually approaching their completion”, said Mr. Andrey Bochkarev.

According to Deputy Mayor, once the tunnelling is completed, the in-situ concreting in the passage will have to be done.

Mr. Yuri Kravtsov, CEO, Mosinzhproekt JSC, specified that the radial line station was located 20 metres deeper than the Big Circle Line station.

“To transfer from the BCL, passengers will need to go down the escalator to the passage and then proceed through it to the blue line station. The escalators are already assembled, and a lift will be installed for the convenience of people with limited mobility”, noted Mr. Yuri Kravtsov.

The head of the engineering holding added that at that moment passengers transfered between the BCL and the Arbat-Pokrovskaya line stations using the ground interchange.
The Aviamotornaya, Elektrozavodskaya and Lefortovo stations are included in the north-eastern section of the BCL, as well as three new stations, namely Sokolniki, Rizhskaya and Maryina Roshcha, and a connecting line to the Nizhegorodskoye electric depot.

The construction of the Big Circle Line is the main project of the Moscow Metro construction. Its length will exceed 70 km, and it will accommodate 31 stations, 22 of which are already servicing the passengers.