MARMARAY PROJECT, BOSPHORUS RAILWAY CROSSING TUNNEL CONSTRUCTION

Marmaray Project, Bosphorus Railway Crossing Tunnel Construction

General Directorate of Infrastructure Investments of Republic of Turkey, Ministry of Transport, Maritime Affairs and Communications, awarded the contract for the construction of the 1st phase of Marmaray Project, Railway Bosphorus Tube Crossing, Tunnels and Stations to Taisei-GAMA-Nurol Joint Venture (TGN). GAMA has a share of 12.5% within the Joint Venture.

  • Length of Project alignment: 76.3 km
  • Underground section of the alignment: (between Ayrılıkçeşme-Yedikule) 13.6 km
  • Total number of stations on the alignment: 40 (37 above ground, 3 underground stations)
  • Number of stations suitable for transfer to other railway systems: 4
  • Transfer stations for intercity trains: 8
  • Tracks between Gebze-Ayrılıkçeşme and Kazlıçeşme-Halkalı: 3
  • Tracks between Ayrılıkçeşme-Kazlıçeşme: 2
  • Number of passengers in one direction: 75,000
  • Length of immersed tube tunnel: 1,387 m
  • Deepest point in the immersed tube tunnel alignment: 60.46 m
  • Minimum curve radius in the alignment: 300 m
  • Maximum vertical track gradient: 1.8 %
  • Design speed: 100 km/hour
  • Platform length: 225 m
  • Average distance between stations: 1.9 km
  • Headway between train operations in the alignment: 2 minutes

Kaluga Electro Steel Melting Complex

Kaluga Electro Steel Melting Complex Project is realized as a “Greenfield Project” by GAMA Industry Inc.

The complex, which has been working in normal manufacturing regime since August 2013, can handle 2 million ton of scrap iron and produce 1 million ton of reinforcing steel bars and hot rolled profiles annually.

The Project, which has quite big volume of works with main items of 2,000,000 m3 earthworks, 120,000 m3 concrete, 45,000 ton structural steel and 10,000 ton equipment erection,  consists of electric arc and ladle furnaces, 8-strand caster, billet handling and storage facilities, de-dusting plant, water treatment plants, scrap yard, material preparation plant and other auxiliary units.

2×35 MW Kashagan Natural Gas Fired Simple Cycle Power Plant

2×35 MW Natural Gas Fired Simple Cycle Power Plant is implemented on a turnkey basis.

The Power Plant provides electrical power to be used by the onshore processing facility. The equipments are mainly;  2 nos GE 6B Gas Turbines, 3 nos Essential Diesel Generators, Power Generation Building, Essential Diesel Generator Building, Step up Transformers, 35/10/0,7/0,4 kV Switchgears and DCS.

This project is undertaken and executed by GATE İnşaat Taahhüt San. ve Tes. A.Ş., a subsidiary of GAMA with %50 share.

Kashagan Main Works – Tranche 3

The project is construction of Main Pipe Rack for Tranche 3, Oil Processing Unit for Tranche 3 and Gas Compression Unit 361 of Petroleum Process Facility under Kashagan Field Development Project – Experimental Program.

Scope of project is; supply of all civil works materials, paint, insulation, support and all consumables, execution of civil works, construction of industrial buildings, fabrication and erection of steel structures, prefabrication of piping spools and installation, installation of equipment, electrical and instrumentation works, painting and insulation works.

This project is undertaken and executed by GATE İnşaat Taahhüt San. ve Tes. A.Ş. a subsidiary of GAMA with %50 share.

Pearl GTL Plant – Air Separation Units

GAMA performed all civil and mechanical installation works, commissioning & start-up assistance including operation and maintenance of temporary camp and office facilities for the Shell Pearl GTL Air Separation Unit (ASU) at Ras Laffan Industrial City in the State of Qatar.

Pearl GTL Plant is world’s largest gas-to-liquids plant.

2×338 MW Maritza East-I Thermal Power Plant

As a consortium partner of main contractor Alstom in 2×338 MW power plant, execution of all civil works and mechanical works in BOP.

Tekfen – GAMA (TGO) executed all civil works of the power plant, and BOP mechanical works (all mechanical works excluded from units), piping, HVAC and FF works.

Qatargas 3&4 Projects LNG Plant

GAMA executed civil, electrical & instrumentation, mechanical, painting and insulation works for slug catcher, inlet, waste water treatment, effluent, flare, utilities, cooling water/sea water, cooling water pump, sulphur storage tanks’ and chemical tanks’ areas for trains 6 and 7.

Kashagan Industrial Buildings

The project is construction of process buildings of petroleum process facility under Kashagan Field Development Project – Experimental Program.

Scope of project is; engineering, supply of all civil works materials and all consumables, execution of civil works, construction of industrial buildings, fabrication and erection of steel structures, prefabrication of piping spools and installation, installation of equipment, painting and insulation works of fire station building, center control room, laboratory, mechanical workshop, electrical and instrumentation workshop, warehouse (2 ea), temporary refuges (2 ea.), gate house and change room.

This project is undertaken and executed by GATE İnşaat Taahhüt San. ve Tes. A.Ş. a subsidiary of GAMA with %50 share.