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SU-YAPI Engineering & Consulting Inc.

Kürtün Dam & HEPP

Gümüşhane - Turkey

Client NUROL Const. and Trading Inc.
Partner -
Financing Local
Duration of Services 1989 - 1998
Brief Description of the Project :

Kürtün Dam & HEPP, on the Harşit Creek within Gümüşhane province, was constructed by DSI for energy generation in the period 1986-2002 and put in operation in the year 2003. The dam designed to be a clay-core rock fill dam and for which tender documents were issued by DSI in 1986, required design revision when a major flood event occurred in 1990, after completion of diversion tunnels

Design revisions, e.g. revision of spillway and dam embankment types due to increased spillway capacity, and the HEPP revised to be an underground plant etc, were performed on the basis of DSI approval. Kürtün HEPP is connected via 154 kV, 1272 MCM to Akköy TS-Torul HEPP ETL (TAP).

Dam design characteristics;

Dam Type : Concrete Face Rock-Fill
Crest Elevation : 650.00 m
Crest Length : 380,00 m
Height from Thalweg : 110 m
Height from Foundation : 133 m
Concrete Volume : 3.200.000 m3
Number of Units : 2
Turbine Type : Vertical Axis Francis
Unit Power : 42,5 MW
Total Installed Power : 85 MW
Annual Power Generation : 198 GWh/year
Scope of Services :
  • Final design for converting to concrete face type the clay-core rockfill dam embankment, converting to tunnel type the spillway originally designed to be in the open and converting to the underground type the HEPP originally designed to be an above-surface plant.
  • Detail design of all project structures.