Stockholm Metro – Blue Line Extension to Nacka

Stockholm metro’s blue line is being extended from Kungsträdgården, with new terminals at Nacka and Sockeplan. The track length of the extension is 11 kilometers, along which 5 new metro stations will be built. Rockplan’s responsibilities in the project include rock mechanical design and engineering geology at Nacka and Sockenplan, as well as engineering geological reports from Gullmarsplan, Sofia, Hammarby Canal and Sickla.

Construction of the blue line extension began in 2019 and the metro is intended to reach Nacka and Sockeplan by 2030.

Client
Sweco Civil AB

Responsibilities
Rock mechanics and tunneling design and engineering geology

Related References

West Metro

Länsimetro Oy

With the West Metro extension, the Helsinki metro network will reach Espoo, increase in length by 21 kilometers and see 13 new stations constructed along its run.

Vuosaari Transportation Tunnels

Tiehallinto/ Vuoli-projekti

Rockplan designed Vuosaari Harbor’s Porvarinlahti road tunnels and Labbacka railway tunnel in cooperation with Finnmap Infra Oy. The 1,600-meter-long submarine road tunnel in Vuosaari is approximately 25 meters below sea level at its deepest point.

Viikinmäki Wastewater Treatment Plant

Helsingin vesi (now Helsinki Region Environmental Services Authority HSY)

The Viikinmäki rock treatment plant, which was built mainly inside the rock, was put into operation in 1994. The treatment plant’s process is based on the activated sludge method.

Interested?

For more information please contact Miika Kalliokari
+358 40 557 5113
miika.kalliokari@rockplan.fi