Abstract
The safety of dams in Romania follows the current engineering trend and is governed by The Dam Safety Law, issued in 2001. A special concern refers to historical dams, where two cumulative contributing factors are endangering the safety - ageing and modifications in the catchment area that bring alterations in flood formation and flood characteristic values. To illustrate the specific problems, the paper presents a case hystory. The dam is one of the oldest storage reservoirs in Romania (Tăul Mare Dam), still operational, built prior to the 18th century in the Metaliferi Mountains in central Transylvania for the gold mines, where a relative minor incident has created a lot of concerns regarding the structure’s safety. Thorough investigations have revealed an intense degradation due to ageing and lack of proper maintenance. The proposed rehabilitation works consist in refurbishing the bottom outlet gallery and repairing and strengthening of the downstream face of the dam.
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