Triantafyllia dam and appurtenant structures design / Technical Consultant for Triantafylia dam works construction

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Project description
Scope: 

The Dam of Triantafyllia operates in combination with the Elatia Dam and the Drosopigi stream’s diversion canal. The above system is designed to achieve adequate storage based on evaluation and assessment of the available water resources from Triantafyllia and Drosopigi streams. The project is part of the general plan of the Ministry of Agriculture for the irrigation of the Florina plains in Macedonia.

Description: 

It is a rockfill dam with clay core, 77m high and 560m crest length. The total volume of the dam is 2.700.000m3. The dam is founded on gneiss. Dam reservoir’s capacity is 12.000.000m3.
The spillway has discharge flow of 370m3/s (PMF), with maximum width 32m. The energy dissipation is achieved through a flip bucket and a steeling basin.
The cross-section of the diversion tunnel is of horseshoe shape with 150m radius. When the construction is over, it is converted to an intake and reservoir drain works.

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