Project includes phase 1, construction of the diversion tunnel of the Berke Dam on the River Ceyhan as well as the access roads, tunnels & bridges and phase 2, construction of dam.
Berke Dam Diversion Tunnel, Access Roads, Tunnels & Bridges
Scope of Work
Major Quantities of Access Tunnel
|Tunnel Excavation||281,257 m³|
|Road & Other Excavation||1,500,000 m³|
|Tunnel Concrete||42,398 m³|
|Other Concrete||14,500 m³|
|Consolidat. grouting||200 tons|
Major Quantities of Diversion Tunnels
|Tunnel Excavation||25,295 m³|
|Concrete Lining||39,942 m³|
|Drilling of Grouting||141,922 m|
|Drilling for Anchors||15,000 m|
|Drilling for Piezometer||15,217 m|
|Cement Grouting||12,448 tons|
- With the purpose of capitalizing on the 200 m waterfall height, this dam was constructed in a valley, which was exceedingly steep with highly difficult transportation and work conditions.
ENKA SCOPE OF SERVICES
ENKA`s scope included procurement, construction and erection. The works included the construction of following items: 500 meters long derivation tunnel with horse-shoe section and 13 meters diameter, 5 kilometres long approach roads required for the dam construction and operation, and constructed by 1.2 million cubic meters of excavation, 7 approach tunnels with a total length of 3.5 kilometres, 2 approach bridges, with 3 span, with a total span of 160 meters and made of steel prefabricated panels, underground power stations, power tunnels, rock-bolt galleries, over-crest platform excavations, spillway tunnels and approach tunnels.
SIGNIFICANT FEATURES AND ACCOMPLISHMENTS
- The largest Hydroelectric Dam on Ceyhan River.