Investor
Railway of the Slovak Republic , Bratislava
Construction period
August 2022 – June 2023
Description:
Object composition:
SO 32-01 Railway superstructure in tunnel no. 2
SO 33-01 Measures to reduce surface water seepage from the terrain into the tunnel
SO 33-02 Reconstruction of BA tunnel no. 2, in ŽST Bratislava
SO 35-01 Traction line in tunnel no. 2
SO 35-02 Lighting in tunnel no. 2
SO 35-03 Cable box ÚAB 6 kV
PS 21-01 Modifications of OZT equipment
Construction activity:
- reconstruction of the lining of tunnel No. 2 in ŽST Bratislava main station,
- rehabilitation of portal front P1 (Lamačský),
- rehabilitation of the portal front P2 (Bratislava),
- measures to reduce surface water seepage from the terrain into the tunnel,
- repair of drainage of pre -portal parts of tunnel No. 1 and 2,
- replacement and modification of the traction line due to the reconstruction of the tunnel,
- replacement of rails and fasteners along the entire length of the tunnel and parts in front of the portals,
- modification of external elements of the security device in the tunnel,
- tunnel lighting reconstruction,
- modification of 6kV line between TS 522-TS521,
- stonemasonry work on a listed building.
| Scope of construction works | Number of measurement units |
| Replacement of rail belts | 696 m |
| Reconstruction of the tunnel (single track) | 596 m |
| Tunnel – injection wells | 33 208 m |
| Tunnel – grouting | 9,432 m2 |
| Traction line (new catenary wire) | 702 m |
| Modification of security lines (new signs) | 2 pcs |
| Lighting in the tunnel (pipe DN25, cable 3×2.5) | 704 m |
| Lighting in the tunnel (pipe DN32, cable 5×2.5) | 2,468 m |
| Modification of the 6 kV cable line (new 6 kV cable) | 1,700 m |