STRABAG International GmbH, Siegburger Strasse 241, 50679 Köln, Phone +49 221 824-01, www.strabag-international.com Project Description Construction of a Pumped Storage Hydropower Plant located near the community of Hatta in the Hajar Mountains, 140 km southeast of the city of Dubai. The HPP is a major component to achieve the targets of Dubai’s Clean Energy Strategy 2050. The existing Saad Hatta Al Awwal Dam will be used as the lower reservoir, the upper reservoir will be approx. 150m higher. Both reservoirs will be connected by a 1.2 km long pressure tunnel. The upper reservoir will be constructed with two roller- compacted concrete dams with a height of approximately 35 m and 70 m. Additionally a powerhouse with 2 units capable of generating a total net power of 250MW over the 6 ho

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