2006 – Dam Monitoring at Verbund – Austrian Hydro Power

Pius Obernhuber

Verbund – Austrian Hydro Power (AHP) is the owner and operator of 27 large dams. The highest dam is the 200 m high Koelnbrein arch dam and the highest embankment dam is the 83 m high Durlass-boden dam. Instrumentation of the dams of AHP comprises almost all kinds of instruments employed in dam monitoring. Manual measurements are carried out with the help of portable terminals. Auto-matic monitoring with an early warning system is implemented at all dams. Besides a description of the monitoring system and some “interesting” measurement results the article also deals with organisational aspects of dam surveillance.

The case study of Koelnbrein arch dam is appended to the article. It contains a brief description of the original dam and the encountered problems as well as of the main elements of the remedial works. Dam surveillance and the performance up to now are also dealt with.

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