The Dreilägerbachtalsperre is located in Roetgen in the Aachen region in the northern Eifel. It was built for the purpose of drinking water supply and is operated by the water extraction and processing company Nordeifel mbH, a 50 percent subsidiary of enwor-energie & wasser vor Ort GmbH and a 50 percent subsidiary of Stadtwerke Aachen.
May 18, 2017
"... The dam wall was built from 1909 to 1911 (or 1912) according to the Intze principle. The weight dam largely consists of stamped concrete; the upper area (approx. 6 m) was made of quartzite quarry stones There are no vertical joints in the wall. There was originally a wedge-shaped earth fill (intze wedge) on the water side. The upper half of the wall was provided with a seal that was protected with a veneer. (This and the information in the Some of the tables still refer to the old wall before the conversion.) A wing dam is arranged on the side.
The wall was renovated between 1990 and 1993. She was given an inspection tour on the water side and a facing. The wall was also widened and the wall volume increased ... "
April 2, 2020
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