SR 99 Tunnel Project CONSTRUCTION UPDATES Bertha Begins Her Journey - - PowerPoint PPT Presentation

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Nov 06, 2022 215 likes •300 views

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!

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SR 99 Tunnel Project CONSTRUCTION UPDATES

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Bertha Begins Her Journey

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Three Days Later…

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Building a Tunnel Ring

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Tracking Bertha’s Progress

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Receiving Pit Excavation Progress

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