Projekt: Komplexsanierung Talsperre Quitzdorf, TO 3 Leistung: Zuwegung zum wasserseitigen Baufeld (Vergabeeinheit 4-1)

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The Quitzdorf dam is located in the district of Görlitz in the Free State of Saxony, in Upper Lusatia, near the town of Niesky. It is situated in the municipality of Quitzdorf am See, which consists of the former towns Kollm and Sproitz. The project is located in the landscape conservation area “Talsperre Quitzdorf und Kollmer Höhen”, which is part of the Upper Lusatian heath and pond landscape—one of the largest contiguous pond areas in Central Europe. The Quitzdorf dam was built between 1965 and 1972 and impounds the Schwarzer Schöps river. The dam is a straight embankment dam made of gravel and sand with a clay-concrete core sealing. The crown length is approximately 1,400 m, and the height above the valley floor is about 10.5 m. The total storage volume is around 25.17 million m³; the catchment area comprises approximately 174.5 km². Today, the dam serves several purposes: flood protection, raising low-water levels, providing water for the Lusatian mining district, providing water for non-potable water use, local recreation, and nature conservation. The water-side construction area includes in particular the area of the dam wall, the angled retaining walls, and the bottom…

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