Icerenkoy and Kucukbakkalkoy Station Tunnels

Client: Senbay-Kolin-Kalyon Joint Venture

Location: Istanbul, Turkey

Start Date: August 2016

Completion Date: Under Construction

Construction Type: Tunnel Construction

Project Features: Station Tunnels

Ankara Metro, Batıkent - Kızılay Subway Tunnel Construction Work

Client: Acilim - COMSA Joint Venture

Location: Ankara, Turkey

Start Date: May 2012

Completion Date: May 2013

Length: 460,00 m

Cross Section: 38 m2

Project Features: 460,00 m Tunnel, 11 x Emergency Passage Tunnel, 30,00 m Pedestrian Passage Tunnel

Ankara Metro, 3rd Phase Necatibey Station Joint Tunnel Ground

Client: Guris Construction and Engineering CO.INC.

Location: Ankara, Turkey

Start Date: February 2010

Completion Date: January 2011

Length: 200,00 m

Cross Section: 18-78 m2

Project Features: Stair, Intermediate Level, Emergency Passage and  Ventilation Tunnels

Istanbul Taksim-Yenikapi Subway Line, Sehzadebasi Station Construction and Completion Works

Client: Anadolu Metro Joint Venture

Location: Unkapanı, Istanbul, Turkey

Start Date: June 2007

Completion Date: May 2011

Length: 1st line 1.991,00 m, 2nd line 1.883,00 m

Project Features: Construction of main line, platform, stairs and intermediate level tunnels for the Sehzadebasi Station and Halic Bridge connection

Ankara Metro, 3rd Phase Kızılay-Sogutozu Line Completion Works, Necatibey Station Bored Tunnel Construction

Client: Guris Construction and Engineering CO.INC.

Location: Ankara, Turkey

Start Date: July 2006

Completion Date: May 2007

Length: 360,00 m

Cross Section: 80 m2

Project Features: Platform, Connection, Ticket Hall, Stair Tunnels and Ventilation Shafts

Izmir Suburban Rail System Improvement Project 2nd Phase, Karsiyaka Tunnel and Stations Construction

Client: Department of Rail System, Izmir Municipality

Location: Izmir, Turkey

Start Date: January 2006

Completion Date: January 2010

Length: 3.050,00 m

Project Features:  3 underground, 1 overground station and rail line construction

Ankara Metro, Kizilay-Cayyolu 2 Metro Line Completion Works, Kızılay Crossover Construction

Client: Guris Construction and Engineering CO.INC.

Location: Ankara, Turkey

Start Date: July 2008

Completion Date: March 2009

Length: 200,00 m

Cross Section: 35-55 m2

Project Features: Crossover Tunnel Construction

Ankara Metro, Kizilay-Cayyolu 2 Metro Line, Umitkoy-Cayyolu 1 Station (Km:9+465-10+380) Double Tube Bored Tunnel Construction

Client: Akturk Construction Industry and Trade CO.INC.

Location: Ankara, Turkey

Start Date: June 2005

Completion Date: October 2007

Length: 1.820,00 m

Cross Section: 38 m2

Project Features: As part of Ankara Metro Kızılay-Çayyolu 2 Subway Line Project, Construction of Double Tube 915,00m main line bored tunnel between Km: 9+465-10+380, Umitkoy Cayyolu 1 Station

Istanbul Light Rail Subway System, Yenibosna to Atatürk Airport Extension Construction

Client: Istanbul Municipality

Location: Istanbul, Turkey

Start Date: September 1999

Completion Date: July 2001

Length: 460,00 m

Cross Section: 100 m2

Project Features: Construction of the extension of Istanbul Light Rail System from Yenibosna to Airport

Ankaray - Ankara Light Rail Mass Transit System Project, ASTİ and Dikimevi Tunnels Construction

Client: Bayındır - Yuksel Joint Venture

Location: Ankara, Turkey

Start Date: November 1992

Completion Date: August 1995

Length: 1.400,00 m

Cross Section: 38 m2

Tunnel constructions completed before 1995

Project Name

Client

Type

Length

Cross Section

Method

Started

Completed

Ankara-Istanbul Railway Tunnel M. Özcan (DLHI) Double Line Railway Tunnel 428 m 124 m2 NATM 1982 1982
Ankara-Istanbul Railway Tunnel Kiska As. (DLHI) Double Line Railway Tunnel 700 m 124 m2 NATM 1979 1985

Shaft constructions completed before 1995

Project Name

Client

Type

Depth

Radius

Started

Completed

Ankara-Istanbul Railway Tunnel (I) Nurol A.S. (DLHI) Ventilation Shaft 53.5 m Ø 5 m 1979 1979
Ventilation Shaft 47 m Ø 5 m 1979 1979
Ventilation Shaft 128 m Ø 5 m 1980 1980
Ankara-Istanbul Railway Tunnel (III) Kiska A.S. (DLHI) Ventilation Shaft 154 m Ø 5 m 1983 1983
Ventilation Shaft 159 m Ø 5 m 1983 1983
Ankara-Istanbul Railway Tunnel (I) Nurol A.S. (DLHI) Ventilation Shaft 124,5 m Ø 4 m 1983 1983
Ventilation Shaft 200 m Ø 4 m 1984 1984