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Sat September 19 2020

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Contract awarded for $231m South Carolina interchange

16 Oct 14 Hochtief subsidiary Flatiron and joint venture partner Zachry Construction have been appointed to design and build a US$231m (£144m) interchange in South Carolina, USA.

The project for the South Carolina Department of Transportation will reconfigure the interchange between the I-85 and I-385 highways in Greenville, South Carolina, improving traffic operations and safety for about 194,000 vehicles per day. It is the state's largest transport infrastructure project in over a decade.

"This is the third major transportation infrastructure project Flatiron has secured in the Southeast in the past year," said Javier Sevilla, chief operating officer of Flatiron and head of the company's civil division. "We look forward to successfully completing this vital project as we continue to expand our presence in the region."

The project will replace existing loop ramps with direct-connect, high-level flyover bridges and includes construction of a new collector-distributor roadway along Interstates 85 and 385.The project also includes reconfiguration and replacement of existing ramps, construction of additional lanes along I-85 and I-385, resurfacing and rehabilitation of I-85. Crews will design and construct 12 new bridges, rehabilitate two existing bridges and construct retaining walls. The project will also require extensive attention to traffic maintenance to minimise impact on the travelling public.

The project is led by the joint venture of Flatiron and Zachry Construction with a design team of Civil Engineering Consultant Services as the primary designer, along with Stantec, TY Lin, and Mead and Hunt as major subconsultants. Construction is to begin in late autumn 2015 and is scheduled for completion in 2018.

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