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Dragados/Flatiron/Sukut Team Awarded Calaveras Dam Replacement Project

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Firestone, Colo. (July 14, 2011) - The San Francisco Public Utilities Commission has awarded a $259 million contract to the joint venture of Dragados USA (40 percent), Flatiron (30 percent), and Sukut Construction (30 percent) for the Calaveras Dam Replacement in Sunol, Calif. Preconstruction activities are scheduled for this summer, and project completion is anticipated in late 2015.

The project includes replacement of the original dam with a new 210-foot-high earth and rock fill dam designed to accommodate earthquakes on the Calaveras Fault as well as a new concrete spillway. The dam will be constructed immediately downstream of the existing dam and will have a crest length of 1,210 feet with a capacity of approximately 2.8 million cubic yards. The replacement dam will restore the original reservoir capacity of 31 billion gallons and will be designed to provide the option for portions of the dam to be reused should there be a future proposal to expand the water storage capacity of the reservoir.

Flatiron, with a construction volume of more than $1 billion, is one of the leading providers of transportation construction and civil engineering in North America. Flatiron develops innovative solutions to construct infrastructure, including roads, bridges, tunnels, rail transit, and water/wastewater treatment plants, for both public and private clients. Flatiron also operates as a contractor in design-build and public-private partnership projects. Founded in 1947, the firm is a subsidiary of HOCHTIEF, one of the world's leading international construction service providers. Further information is available at www.flatironcorp.com.

HOCHTIEF is one of the leading international providers of construction-related services. With more than 70,000 employees and a sales volume of EUR 20.16 billion in FY 2010, the company is represented in all the world‘s major markets. The Group‘s service offering in the fields of development, construction, services, concessions and operation covers the entire life cycle of infrastructure projects, real estate and facilities. In the USA, the biggest construction market in the world, HOCHTIEF is the No. 1 general builder via its subsidiary Turner and, with Group company Flatiron, ranks among the most important players in the field of transportation infrastructure construction. With its subsidiary Leighton (HOCHTIEF share around 55 percent), the Group is market leader in Australia. Because of its engagement for sustainability, HOCHTIEF has been listed in the Dow Jones Sustainability Indexes since 2006. Further information is available at www.hochtief.com/press.

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