RUSSIA

St. Petersburg Metro. Line 5

Owner/Client:

OAO Metrostroy

Cost of works:

€ 565 million

Period of Activity:

2013 - 2014

The metro system of the city of St. Petersburg includes 5 lines and the opening of Line 1 dates back to 1955. The very complex geology of the zone and the difficulties deriving from crossing the Neva River have also represented a big challenge for both technicians and public administration when it came to approach the realization of underground infrastructures in this area. The upgrade of the overall metro system in still on- going and Line 5, once completed, will have 18 stations and some 25km of length.


— Project Description:

The project is located in the south part of the city of St. Petersburg and involves the construction of a single- bore, double-track tunnel between Stations “Uzhnaya” and “Prospect Slavy”. This section is approximately 3.8km-long and it will be excavated by means of an EPB-TBM manufactured by Herrenknecht, with external diameter of 10.3 meters. The main elements of project are: the depot, the "Uzhnaya" station, the TBM launching shaft and the tunnel towards the "Prospect Slavy" station. Along the line the "Dunaisky Prospekt" intermediate station will be built by Cut&Cover method. From an urban context point of view the line develops in 3 areas:

  1. Area 1. It is an non-urbanized area from the TBM launching shaft to pk 250 and it is characterized by two main critical interferences: a) the under passing of highway KAD, and b) the under passing of the railway line about 400meters from the TBM launching room.
  2. Area 2. The line performs a double curve and in this area the tunnel underpass a gas station and a fuel storage tanks; finally the tunnel runs along Buharestkaya street under a tram line and close to some commercial buildings.
  3. Area 3. In the third portion of the line, where the rail level is deeper, the tunnel lies below a free area.

— Description of Services:

  • Perform the Technological Regulation (Technical and Operational Procedures and Method Statements) for the tunnel excavation;
  • On-site and in remote construction follow-up with the support of GDMS system – GIS – WEB software application for data collecting and real time TBM parameters and monitoring data verification.

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