Run-off study and hazard zone mapping Drau

Project objectives

Survey and digital terrain modelling for hydraulic numerical 2D analysis. The overall project objective was a run-off study and hazard zone mapping.

Project description

Run-off study and hazard zone mapping for the upper river Drau. Surveying and hydraulic modelling 2D, scenario investigation of bedload, preparation of a hazard zone plan according to applicable guidelines for the municipalities of Oberdrauburg, Irschen, Dellach, Berg, Greifenburg, Steinfeld, Kleblach-Lind, Sachsenburg, Lurnfeld, Baldramsdorf, Lendorf and Spittal/Drau. Creation of a GIS project.

Project data

River length in project: app. 70 km
HQ₁₀₀ : 1000 m³/s – 1650 m³/s

Project specifics

12 municipalities

Services

• Surveying / river engineering basic data collection
• GPS Echo Sounder and Terrestrial Surveying
• Creation of the terrain model
• Hydraulic analysis 2D; scenarios (bedload/cladding)
• Project visualisation / GIS project; hazard zone identification