News | 16.02.2021


The Big Circle Line southern section is more than 60% complete. The project was developed by Mospromproekt, the company that is consolidated into The Group of companies Mosproekt-3.

“Despite cold winter and extreme weather conditions, we do not cease the metro construction. This year we are going to open three sections: western, south-western and southern section, which means 11 stations in total. The southern section is almost complete,” – said Sergey Sobyanin, the Mayor of Moscow, during his visit to “Vorontsovskaya” Station site.

Today all three stations of the future section are actively under construction.

“Tunneling on the sections from “Prospekt Vernandskogo” to “Vorontsovskaya” Station and from “Zyuzino” to “Kahovskaya” Station is over; the right main line tunnel from “Zyuzino” to “Vorontsovskaya” Station is also complete. “Natalia” tunneling shield is going to complete the left main line tunnel between these two stations in April,” – said Andrey Bochkarev, the Deputy Mayor of Moscow for Urban Planning and Construction.

The engineers of The Group of companies Mosproekt-3 managed to connect the Big Circle Line station under construction with an operating station of the Kaluzhsko-Rizhskaya Line and avoid the closure of “Kaluzhskaya” Station northern hall. Removed stairs that lead to the metro station trough the pedestrian crossing under Profsoyuznaya Street will be reconstructed within the new station hall of the Big Circle Line.

For the new station hall structures, the engineers of the Group of companies developed a non-standard design solution, which is unique for Moscow Metro. 

“The new station hall under construction is located at the tunneling shields output area. Our team arranged temporary apertures, so we could construct the main structures without waiting for the end of tunneling. Through those apertures, we remove the tunnel boring machine after the tunneling work is over. Thus, we significantly shorten the station complex construction period,” – explained Anna Merkulova, CEO of The Group of companies Mosproekt-3.