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The HRBT Expansion Project - TBM Main Drive Installation update

21/12/2022
The HRBT Expansion Project - TBM Main Drive Installation update

Work is progressing on the reassembly and placement within cell 1 of the South Island Launch Pit of TBM Mary with her shield section already to set in place. In the next few days the team will lift the cutter head and attach it to the main drive. The TBM will then bore two new tunnels underneath the Hampton Roads harbour for the HRBT Extension project. Click here for a video, here for tunnelling progress, here and us/125 for the tunnelbuilder archive. Visit www.hrbtexpansion.org. 51/22. 

 




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