McNally/Kiewit Awarded Doan Valley Tunnel in Cleveland
April 25, 2017
The Doan Valley Storage Tunnel comprises 10,000 ft of 18-ft diameter storage tunnel and two 8.5-ft diameter conveyance tunnels at 3,000- and 6,400-ft lengths. The $145 million project is part of Project Clean Lake for NEORSD that includes several major tunnel components to store and convey combined sewer overflows.

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