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Shaft complexities

The Minnesota Department of Transportation's I-35W stormwater storage was featured in an issue of Tunneling Journal. The article describes the creation of large shafts alongside the freeway for the development of stormwater storage to mitigate flooding. Barr led the design team, and in the article, Mike Haggerty and Joseph Welna, PE share insights on the complexities of the project. Read the full article: 

 

 

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