N03/76 Repair Murg - Walenstadt
The Murg-Walenstadt motorway section is located in the topographically challenging area on the edge of Lake Walen. The section cuts through the southern flank of the valley and has five tunnels, three large viaducts and numerous engineering structures such as overpasses and underpasses, 20 retaining walls of various constructions, protective structures and noise protection structures. The repairs were carried out at night so that full capacity was available for daytime traffic.
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The line was opened in 1987 and has not been extensively renovated since then. As part of the renewal, the route, signaling and all engineering structures were renewed. The tunnels were adapted to current safety standards. The entire structure of the bridges was comprehensively repaired, including the replacement of abutments.
Our services
- Overall management: coordination of all dossiers and other project authors
- Global maintenance concept for construction (route, drainage, engineering structures, tunnels, retaining walls, BSA, ventilation). Includes condition assessment, compliance testing, measures and strategic variants
- Development of intervention concept, intervention project, invitation to tender and construction
- Defining immediate, bridging and preliminary measures such as joint renovation of the concrete slabs, project planning and construction of joint replacements
- complex construction phase planning (construction largely at night, local work during the day with lane shifts)
- Development of construction documents for anti-circulation walls
Involved expertise
Value retention of engineering structures, Bridges, Geotechnics, Tunnel construction, Road constructionClient
Federal Roads Office FEDRO, Winterthur branchIndustry
Confederation / cantons, TransportationDiscover similar projects
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