The City of Minneapolis' Central City Parallel Tunnel project wins ACEC Minnesota Grand Award
Hatch is pleased to announce that the American Consulting Engineers Council (ACEC) of Minnesota has recognized the City of Minneapolis’ Central City Parallel Tunnel Project with a Grand Award for engineering excellence.
The project engineering team was led by CNA Consulting Engineers of Minneapolis, Minnesota, in partnership with Hatch, Sambatek, Zan Associates, 106 Group, AET, and Hydratek. Hatch’s engineering role consisted of tunnel design, including large tunnel junctions and cross connections for integration of the new parallel tunnel with the existing tunnel, and overall tunnel system hydrotechnical engineering for improved facility hydraulic operation.
The Central City Tunnel System, located 70 feet below the street surface, is critical infrastructure that collects stormwater runoff for nearly all of downtown Minneapolis. Originally designed and constructed in the early 1940s, the existing system has faced challenges due to significant land development over the decades, which has increased stormwater volume. This has led to over-pressurization, resulting in cracks and failures in the tunnel lining, groundwater infiltration, and the accumulation of ice and sediment.
To address these issues and minimize ongoing repairs and maintenance costs, the City of Minneapolis made the strategic decision to construct a new storm tunnel running parallel to the existing, 80-year-old tunnel. This innovative project not only aims to improve the efficiency of stormwater management in the city but also ensures the longevity and reliability of the tunnel system for years to come.
“Hatch is proud to have contributed to this vital project, which underscores the importance of modern engineering solutions in addressing urban infrastructure challenges. The recognition from ACEC Minnesota highlights the collaborative efforts and expertise of the project team in delivering a solution that meets the evolving needs of the City of Minneapolis,” shared Randall Divito, Hatch’s project manager for the Central City Parallel Tunnel project.
For more information on the Central City Parallel Tunnel system, please click here.
For additional information, please contact:
Lindsay Janca
Global Director, Public Relations
Tel: +1 905 403 4199
Email: media@hatch.com
About Hatch
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