On the penultimate day of 2023, an additional underground passage between the Kakhovskaya stations of the Big Circle Line and Sevastopolskaya of the Serpukhovsko-Timiryazevskaya Line opened for passengers.
A new crossing to the “gray” line has appeared at the western end of the Kakhovskaya station. It is located under Sevastopol Square along Kakhovka Street.
– The construction of the passage, about 100 meters long, was carried out using open-pit methods. The enclosing structures of the pit were built, earth and concrete work, backfilling and architectural finishing were completed,” commented Alexey Arbuzov, head of the Mosmetrostroy JSC complex. – It took a long period of time to prepare the territory, approve the traffic management project, and the customer received various approvals. The actual construction work was carried out quite quickly.
According to the deputy chief engineer of Tunnel-2001, Sergei Borisenko, a feature of the construction was that in order to carry out work directly above the Sevastopolskaya station, it was not necessary to restrict train traffic. Passengers were also free to move around the platforms of both stations.
A total of 2,500 cubic meters were poured into the facility by Tunnel-2001. meters of concrete: 1100 “cubes” of structural concrete transplants and 1400 cubic meters. meters of backfill.
The interior decoration is made in gray and white colors and is combined with the style of the western lobby of the Kakhovskaya station. The floor is tiled with granite and the walls are marble. LED lights are installed in the ceiling caissons.
Tunnel-2001 specialists were the first to independently finish the floor of the passenger area. About 450 sq.m. were laid on horizontal and inclined sections, as well as stairs. meters of granite from Yekaterinburg.
The cladding of the walls was carried out by the Department of Special Works of Mosmetrostroy.
– The material used was Sayansky and Rosso Levante marble. The scope of work was 600 sq. meters,” shared the head of the USR section, Roman Baranov.
For comfortable movement of passengers with limited mobility, tactile and guiding tiles are provided. Previously, an elevator was installed in one of the Kakhovskaya lobbies, connecting the platform with the ticket hall and the exit at the intersection of Azovskaya and Kakhovka streets.
SMU-24 carried out the installation of 9 km of power and control cables, as well as connection to equipment, mainly operating and related to the Sevastopolskaya station.
“Because of this, some of the work was carried out at night,” noted Oleg Kirillov, deputy chief engineer of SMU-24.
Kakhovskaya station opened after reconstruction on December 7, 2021 as part of the BKL metro. The historical appearance of the station has been preserved as much as possible. Mosmetrostroy specialists updated the infrastructure, replaced utility lines, part of the upper track structure, wall cladding and platforms, and reconstructed the turnaround dead ends.