S6 Szczecin western bypass – 5 km TBM road tunnel under the Oder: 8-year scientific-technical advisory & supervision tender (bids due 23 Nov)
مناقصة – Poland
Tunnel engineering consultancies: GDDKiA seeks an 8-year independent technical advisor for Poland's longest road tunnel (two 15 m TBM tubes, PLN 5.3bn works).
| Type | Open tender |
|---|---|
| Status | Open – closes 23 Nov 2026 (32 days) |
| Country | Poland · Szczecin |
| Client / owner | GDDKiA Szczecin |
| Announced | 19 Oct 2026 |
| Deadline | 23 Nov 2026 |
| Project type | Bridges & tunnels, Roads & highways |
Trades and packages needed
- Project management & construction supervision (main package)
- Structural & civil design (main package)
- Materials testing & QA/QC laboratory
- Land surveying & geotechnical investigation
- Tunnelling & microtunnelling
What to do
Register with the client and request the tender documents before the deadline.