Klingenberg dam

Klingenberg dam
Location:	District of Saxon Switzerland-Eastern Ore Mountains
Tributaries:	Wild Weisseritz
Larger places nearby:	Klingenberg
	Saxony , Germany
Coordinates	50 ° 54 '0 " N , 13 ° 32' 48" E Coordinates: 50 ° 54 '0 " N , 13 ° 32' 48" E
	Data on the structure
Lock type:	Gravity dam
Construction time:	1908-1914
Height above valley floor:	33.5 m
Height above foundation level :	40.0 m
Height of the structure crown:	394.00 m
Building volume:	118,000 m³
Crown length:	310 m
Crown width:	6.2 m
Radius of curvature :	250 m
Power plant output:	Max. 850 kW
Operator:	State dam administration of Saxony
	Data on the reservoir
Altitude (at congestion destination )	390.95 m
Water surface	116 ha
Storage space	16.38 million m³
Total storage space :	17.49 million m³
Catchment area	89.4 km²
Design flood :	86 m³ / s
	Klingenberg dam before renovation (2009)

The Klingenberg dam is a dam in the Free State of Saxony . It serves the drinking water supply of Dresden and large parts of the former Weißeritzkreis , the flood protection and to a lesser extent the energy generation .

Dam wall

The dam of the Klingenberg dam is a curved gravity dam made of quarry stone masonry based on the Intze principle . What is remarkable about this listed dam is the striking crown tower in the middle. A public path leads over the dam.

The dam has a pre- dam , the barrier structure of which is a dam , and two pre-basins .

The raw water is discharged to the Dresden-Coschütz waterworks via the Dorfhain and Tharandt hydropower plants . The waterworks and the Klingenberg hydropower plant are located at the foot of the dam .

history

construction

The dam was built from 1908 to 1914 near Klingenberg in the foothills of the Eastern Ore Mountains according to an architectural design by Hans Poelzig (commissioned in 1914) and initially received the name of the last Saxon king: Friedrich-August -Talsperre. The dammed body of water is the Wilde Weißeritz .

Its construction was part of a flood protection concept, which after the devastating floods of 1897 by the Amtshauptmannschaft Dresden -Altstadt led by Amtshauptmann and dam Commissioner Arnold dispute has been implemented. During construction, a narrow-gauge industrial railway was laid from the Klingenberg-Colmnitz station to the construction site, which ran from 1911 to 1914. Today the Höhenweg runs along its route over the matchstick bridge .

Redevelopment

and display information about the image

Empty reservoir in autumn 2011

The 2002 flood of the Wilden Weißeritz caused damage (washouts) mainly to the overflow of the dam wall and the 150 m long cascade flood relief with the seven gradient levels. It was only designed for a maximum flood of 86 cubic meters per second, but there were peak discharges of 160 m³ / s.

The dam and the pre-dam were extensively renovated from 2005 to 2013. From summer 2009 to 2012, the water in the main dam was completely drained. In March 2010 the shell on the water side was demolished, until 2012 the water side was re-sealed with concrete and new monitoring equipment was installed. The renovation costs amounted to around 85 million euros.

During the construction period, the city of Dresden was supplied with drinking water from the new pre-dam completed in 2008. It comes through the new three-kilometer-long tunnel that was built into the rock from the pre-dam to the foot of the dam. After the main dam has been repaired, this diversion tunnel serves as an additional flood relief tunnel .

During the renovation , the main barrier was given an inspection corridor that was blown lengthways into the wall when the traffic was full. A new bottom outlet tunnel was also built. The renovation has roughly doubled its performance.

For a number of years, a new raw water transfer system from the Rauschenbach and Lichtenberg reservoirs and the Freiberg district water runway has been used to divert water to the Klingenberger pre- reservoir .

The then Saxon Environment Minister Frank Kupfer officially completed the renovation work on September 20, 2013 with a symbolic act.

The empty reservoir in November 2009
The old wooden mill at the bottom of the reservoir in December 2009
After the renovation with a view of the overflow canal and the valley in 2015

tourism

Swimming and recreational sports are not allowed in the reservoir, but you can hike around the reservoir. There are restaurants on both sides of the dam.

literature

Arno Willibald Alfred Sorger: About the Weißeritztalsperren and the construction of the dam near Malter . Dippoldiswalde 1913.
Herbert Wotte: Malter and Klingenberg dams, Rabenauer Grund . Wanderheft series, Vol. 34, Tourist Verlag, Leipzig 1988, ISBN 3-350-00207-2 .
Hans-Ulrich Sieber: Dams in Saxony . Pirna 1992.
Eckhard Meyer, Berthold Grahl: A centenarian is being renovated. In: Petra Binder (ed.): Land calendar book for Saxon Switzerland and the Eastern Ore Mountains 2009. Schütze-Engler-Weber Verlag GbR, Dresden 2008, ISBN 978-3-936203-11-0 , pp. 124–128.

Web links

Commons : Talsperre Klingenberg - Collection of images, videos and audio files

Individual evidence

↑ ^a ^b Klingenberg dam in the Eastern Ore Mountains completely renovated. In: Focus Online . September 20, 2013, accessed September 20, 2013 .

[focus.de_2013-09-20-1] Klingenberg dam in the Eastern Ore Mountains completely renovated. In: Focus Online . September 20, 2013, accessed September 20, 2013 .