Infrastructure – A2, Sempach connection: Redesign and renewal of north and south motorway connections
Sempach
New construction of two concrete roundabouts (diameter: 34m and 38m), including motorway entrances and exits Civil engineering and road construction • Renovation of entrances and exits with drainage, service pipes • Replacement of ends and installation of 3-layer pavement Engineering structures • Two concrete roundabouts with 2-layer structure (upper layer: brushed chipped concrete with very good grip) • Pumping station in in-situ concrete
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Project facts
- Year
- 2017
- Location
- Sempach
- Region
- LU
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Services
Civil engineeringengineering structuresroad construction
Key quantities
7,700 m3 gravel sand 2,700 m1 finishes 5,600 tons of pavement 3,800 m2 concrete areas roundabout
Special features
• Construction under ongoing traffic • Staged concrete work for the roundabout sections