sr 99 tunnel project construction updates bertha begins
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SR 99 Tunnel Project CONSTRUCTION UPDATES Bertha Begins Her Journey - PowerPoint PPT Presentation

SR 99 Tunnel Project CONSTRUCTION UPDATES Bertha Begins Her Journey Three Days Later Building a Tunnel Ring Tracking Berthas Progress Receiving Pit Excavation Progress Viaduct Column Painting Completed!


  1. SR 99 Tunnel Project CONSTRUCTION UPDATES

  2. Bertha Begins Her Journey

  3. Three Days Later…

  4. Building a Tunnel Ring

  5. Tracking Bertha’s Progress

  6. Receiving Pit Excavation Progress

  7. Viaduct Column Painting Completed!

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