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Midtown tunnel connection

16/07/2015
Midtown tunnel connection

On 14.07.2015 the last tunnel element of the new Midtown Tunnel connecting the shorelines of Portsmouth and Norfolk was immersed.

The design-build contractor, SKW Constructors (a joint venture of Skanska, Kiewit, and Weeks Marine), used the large, specially-designed pontoon-style boat to move tunnel element 11 into position in the Elizabeth River and lower it to the prepared river bed. Immersion of the individual tunnel elements that make up the new Midtown Tunnel began in Portsmouth, with Elements 1-10 immersed sequentially in the river. Element 11 connects the Norfolk shoreline to the rest of the new tunnel. Crews will continue outfitting the tunnel interior by installing fireproofing, lighting, finishing the egress corridor and road surface, and installing permanent electrical and mechanical equipment.

The new Midtown Tunnel is scheduled for completion in December, 2016 when it will become the westbound tube, carrying traffic from Norfolk to Portsmouth, and the current Midtown Tunnel will become the eastbound tube, carrying traffic from Portsmouth to Norfolk. Click here and us/92 for tunnelbuilder archive. Visit https://www.driveert.com. 29/15.



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