When constructing the left tunnel between Rublevo-Arkhangelskoye and Lipovaya Roscha stations on the Rublevo-Arkhangelskaya metro line, the Natali tunnel boring machine will have to dig a horizontal distance of about 150 meters under the bed of the Moskva River. The news was reported by Deputy Mayor of Moscow for Urban Planning Policy and Construction Vladimir Efimov.

Tunnel length will be 2.4 kilometers including about 150 meters under the Moskva River and boring diameter is 6 meters. The works will be carried out in challenging hydrogeological conditions at a depth of 14 to 24 meters.

https://www.mos.ru/en/news/item/150462073/