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Siemens to supply turnkey equipment for tunnel project in Turkey


Erlangen, Germany, Siemens is to equip the Dorukhan Tunnel between Mengen and Devrek in Turkey with the latest power, lighting and ventilation equipment, along with the associated safety and communications systems. The order was placed by KGM (Karayollari Genel Müdürlügü), Turkey’s General Directorate of Highways, and has a value in a single-digit million euro figure. The turnkey handover of the new system is scheduled for January 2012. A project to equip the DAK (Düzce-Akcakoca-Eregli) tunnel system in the province of Zonguldak, placed with Siemens by KGM at the end of 2011, is already nearing completion.

The Turkish Transportation Ministry is currently mounting a great effort to develop the country’s highway network. In September 2009, together with Turkey’s General Directorate of Highways, KGM, the ministry presented plans for twelve new highway routes, which are due to be realized by 2023. In the provinces of Kastamonu, Zonguldak and Düzce on the Black Sea, extensive construction projects are either already being realized or currently being triggered.

One such construction project is the 1,050 meter long Dorukhan Tunnel on the Kastamonu Highway. Siemens is responsible for power supply and distribution for the tunnel and will supply the entire communications and automation equipment. The safety systems will include camera and video surveillance based on CCTV (closed circuit television). The Automatic Incident Detection System not only helps to recognize traffic jams and accidents but can also detect any build up of smoke. With the help of sensors, modern lighting and ventilation systems monitor visibility and air quality. All of the ventilation, lighting, traffic control and safety systems are connected to the SCADA (Supervisory Control and Data Acquisition) control system, which also monitors them.

An important factor in Siemens receiving the order was the positive experience the Turkish General Directorate of Highways has had with Siemens in previous tunnel construction projects in Turkey, such as the Nefise Akçelik Tunnel commissioned in 2007.

Further information about infrastructure solutions at:​

The Siemens Industry Sector (Erlangen, Germany) is the worldwide leading supplier of environmentally friendly production, transportation and building technologies. With integrated automation technologies and comprehensive industry-specific solutions, Siemens increases the productivity, efficiency and flexibility of its customers in the fields of industry and infrastructure. In fiscal 2010, which ended on September 30, 2010, revenue from continuing operations of the Industry Sector (excluding Osram) totaled around €30.2 billion. At the end of September 2010, Siemens Industry Sector had around 164,000 employees worldwide without consideration of Osram. Further information is available on the Internet at:

The Siemens Industry Solutions Division (Erlangen, Germany) is one of the world’s leading solution and service providers for industrial and infrastructure facilities comprising the business activities of Siemens VAI Metals Technologies, Water Technologies and Industrial Technologies. Activities include engineering and installation, operation and service for the entire life cycle. A wide-ranging portfolio of environmental solutions helps industrial companies to use energy, water and equipment efficiently, reduce emissions and comply with environmental guidelines. With around 29,000 employees worldwide (September 30), Siemens Industry Solutions posted sales of €6.0 billion in fiscal year 2010.

Reference Number: IIS201106163e


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