Infrastructure – K 47 Oberkirch, Länggass - center
Oberkirch
Replacement construction of the SBB overpass, renovation of the road and construction of a new bicycle traffic facility. New construction of retaining walls on micropile foundations. Civil engineering and road construction • Raising access embankments and widening the road • Road drainage and service pipes • Retaining walls, partly on micropiles • Foundation and pavement installation in 3 layers Replacement new SBB bridge • Prefabrication of prestressed reinforced concrete bridge on site (weight approx. 400 tons) and moving with a crawler crane
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Project facts
- Year
- 2020
- Location
- Oberkirch
- Region
- LU
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Services
Key quantities
4,600 m3 excavation 5,900 m3 foundation 1,100 m1 micropiles Ø 300mm 1,660 tons of paving installation 186 tons of reinforcement 1,000 m3 concrete
Special features
• Work on/over SBB main line • Moving main element bridge 400 to over SBB tracks