Friday, September 18, 2009

Neighbors Get Inside Look at TBM during Launch Event on Sept 18th

Curious neighbors joined San Francisco Public Utilities Commission staff and the New Crystal Springs Bypass Tunnel project team on Friday, September 18th for a behind-the-scenes look at the Tunnel Boring Machine (TBM). The group looked inside the inner workings of the TBM cutter head and stepped inside the TBM trailing gear to learn how the electrical and hydraulic system work.

Construction managers Victor Romero and Sarah Wilson answered questions and described in detail how the TBM, trailing gear and muck removal equipment will be lowered into the south shaft in early October in preparation for boring the tunnel. Regional Project Manager Husam Masri shared with the group the importance of the project and how it is an integral part of the Hetch Hetchy Water System.

Watch this blog for photos of the TBM being lowered into the South Shaft in early October.

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