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December 17, 2007

Siemens I&S receives cement contract

The Saudi-Arabian project is valued at 20-million euros

Gerald Ondrey

The Siemens Industrial Solutions and Services Group (I&S; Erlangen, Germany; has received an order from Orascom Construction Industries (OCI; Cairo, Egypt), to engineer and supply all the electrical equipment for the new cement works of the Al Safwa Cement Co., Saudi-Arabia. The project is worth around 20-million euros and is scheduled for completion in Fall 2009.

OCI is a leading contracting company in the construction industry of the Middle East and has its own extensive cement-production facilities. It has cement works in Egypt, Algeria, Iraq, Pakistan, Spain and Turkey with a total production capacity of 21 million m.t./yr. After the new equipment has been installed and the modernizations have been completed in 2009, the capacity will be about 36 million metric tons. The Al Safwa Cement Company is a joint venture of OCI and the Khayyat Group of Saudi Arabia. The new cement works is to be built near King Abdullah City, around 140 kilometers from Jeddah and, when completed, will produce 5,300 m.t./d of cement.

Siemens is responsible for planning, supply and commissioning of all the electrical equipment intended for the cement works. This includes the 5,300-KW slip-ring motors for the cement mills and the raw-mill blower drives with Robicon “Perfect Harmony” medium-voltage frequency converters. These systems are especially suitable for reducing harmonics. Sinamics G150 systems will be used as 690 V frequency converters. Power distribution, the instrumentation, a Simatic PCS7-based control system and the industrial software “Cemat” are also part of the project. In addition, Siemens is implementing auxiliary systems such as the lighting and the fire alarm systems. The mechanical equipment is being supplied by the French company, Polysius, and by ThyssenKrupp Foerdertechnik (Essen, Germany). OCI will be responsible for installation.

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