Flood Protection Uri Valley Floor, Lot F1 - Schächenmündung Section

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As a reult of flooding in 2005 the area where the Schächen river flows into the River Reuss was readjusted. The channel (floor and embankment) was reconstructed along a length of approx. 44 m. The end barrier was additionally bolstered by a permanent sheet pile wall. Furthermore, at the mouth of the river and downstream and upstream of the River Reuss a protection barrier was constructed. The existing bridge over the River Schächen was taken down and the HEB girders were reused for the new bridge.

Main Data

  • Dismantling of old and construction of new bridge (reusing the steel girders): 1 pc.
  • Excavation of R. Schächen bed: 560 m2
  • New river bed: 620 m2
  • New embankment: 800 m2
  • Dam filling: 2'500 m3
  • Socket concrete: 900 m3
  • Structural concrete: 300 m2
  • Sheet pile wall (permanent): 600 m3
  • Barrier material: 6'000 to.


Uri Canton, Building Department, Civil Engineering Office, Hydraulic Enginering Department


IUB Engineering Ltd.

Construction period


Construction costs

CHF 1.78 million

Scope of services

  • Construction project
  • Tendering process
  • Implementation project
  • Construction management and supervision