Participation request, Liminka-Oulu double-track, construction design for Liminka-Kempele

Summary

The procurement concerns planning and design services for the Liminka-Oulu double-track rail line, Liminka-Kempele. The design scope includes geometry and structural design of the new double track, geotechnical design, drainage design, design of 10 new bridges, design of 9 culverts including temporary solutions for embankment loading, area environmental design (noise and vibration protection, groundwater, acidic sulfate soils), high-current design including lighting and turnout heating, electrification design for Liminka-Oulu, and coordination of signaling equipment designs, changes to ditches and commuter rail stations (geometry, railway electrification). An optional design period for years 2028-2032 is included.