Silvan Dam Supply Channel 2nd Section (Silvan Tunnel)

Client: General Directorate of State Hydraulic Works, Turkey

Location: Silvan, Diyarbakir, Turkey

Start Date: March 2012

Completion Date: Under Construction

Project Features:

  • Water Supply Tunnel: 20.420,00 m
  • Open Channel: 870,00 m
  • Contract Value: 147.183.595 TL

Arkun Dam and HEPP Penstock Construction

Client: Enerjisa Electricity Production Corporation

Location: Yusufeli, Ispir, Erzurum, Turkey

Start Date: May 2010

Completion Date: April 2014

Project Features:

  • Penstock (Power Tunnel): 13.655,50 m
  • Surge Tank: 160,00 m
  • Vertical Shaft: 78,00 m
  • Access Tunnels: 1.759,76 m
  • Contract Value: 139.979.847 TL

Kandil Dam and HEPP Penstock Construction

Client: Yüksel Construction Corporation

Location: Elbistan, Kahramanmaras, Turkey

Start Date: September 2009

Completion Date: December 2013

Project Features:

  • Capacity: 206,58 MW
  • Penstock (Power Tunnel): 9.513,69 m (Φ 6,00 m)
  • Spillway (Diversion Tunnel): 2 x 419,00 m (Φ 5,00 m)
  • Surge Tank: 183,51 m (Φ 16,00 m)
  • Vertical Shaft: 50,42 m (Φ 9,00 m)
  • Access Tunnels: 667,22 m
  • Cross Section: 45m2

Osmancık Regulator and HEPP Construction

Client: Ronesans Technical Construction Industry and Commerce Corporation

Location: Amasya, Turkey

Start Date: May 2011

Completion Date: May 2013

Project Features:

  • Capacity: 19,40 MW

Kale Regulator and HEPP Construction

Client: Ronesans Technical Construction Industry and Commerce Corporation

Location: Amasya, Turkey

Start Date: December 2010

Completion Date: May 2013

Project Features:

  • Capacity: 30,00 MW
  • Penstock (Power Tunnel): 4.226,50 m (Φ 6,40 m)
  • Access Tunnels: 325,00 m
  • Surge Tank: 40,46 m (Φ 33,00 m)

Feke 1 Regulator and HEPP Penstock Construction

Client: Egemen Construction and Commerce Corporation

Location: Feke, Adana, Turkey

Start Date: February 2009

Completion Date: May 2012

Project Features:

  • Capacity: 30,00 MW
  • Penstock (Power Tunnel): 6.966,00 m (Φ 5,00 m)
  • Cross Section: 38m2
  • Access Tunnels: 229,19 m

Tefen Regulator and HEPP Penstock Construction

Client: Ak-Hes Energy and Construction Corporation

Location: Gokcebey, Zonguldak, Turkey

Start Date: January 2008

Completion Date: April 2010

Project Features:

  • Capacity: 33,00 MW
  • Penstock (Power Tunnel): 3.200,00 m (Φ 8,10 m)
  • Cross Section: 63 m2

Dim Dam Access Road and Penstock Construction

Client: Ickale Construction Private Company

Location: Alanya, Antalya, Turkey

Start Date: June 2000

Completion Date: March 2007

Project Features:

  • Capacity: 220,00 MW
  • Penstock (Power Tunnel): 4.221,00 m (Φ 4,00 m.)
  • Cross Section: 24 m2
  • Surge Tank: 55,00 m (Φ 10,00 m.)
  • Access Road: 11.470,00 m

Tunnel constructions completed before 1995

Project Name

Client

Type

Length

Cross Section

Method

Started

Ended

Altınkaya Dam Guris Co. (DSI) Spillway 1.771 m 80 m2 NATM 1980 1982
Altınkaya Dam Gursel O.G. (DSI) Penstock 613 m 108 m2 - 1981 1983
    Penstock 152 m (>50%Slope) 108 m2 - 1981 1983
    Penstock 806 m 108 m2 - 1981 1983
    Penstock 177 m (>50%Slope) 108 m2 NATM 1981 1983
    Access Tunnel 216 m 64 m2 NATM 1981 1983
    Drainage 118 m 9 m2 - 1981 1983
Kıralkizi Dam Kıralkızı (DLHI) Spillway 1.400 m 64 m2 NATM 1985 1987
    Penstock 660 m 64 m2 NATM 1987 1988
Dicle Dam Kiska Co. (DSI) Spillway 1.650 m 78 m2 NATM 1986 1990
    Irrigation Tunnel 650 m 78 m2 NATM 1986 1990
    Penstock 225m 64 m2 NATM 1986 1990
    Injection Gallery 3.107 m 20 m2 NATM 1986 1990
Ozluce Dam Ozaltin Co. (DSI) Spillway 1.675 m 64 m2 Classic 1987 1991
    Penstock 350 m 28 m2 Classic 1987 1991

Shaft constructions completed before 1995

Project Name

Client

Type

Depth

Radius

Started

Ended

Koç Köprü Dam Ozaltin Co. (DSI) Valve Room Shaft 60 m 15x8 m 1986 1986
Özlüce Barajı Ozaltin Co. (DSI) Penstock Shaft 80 m Ø 9 m 1991 1991