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  • Tunnel Segments

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  • Alder Shaft

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    Slurry separation plant workers

  • Opera Shaft overview

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  • Opera Shaft Groundbreaking

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  • Outfall 28 (SE 18th and Insley)

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  • Outfall 46 breakthrough

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    Group shot of workers when MTBM broke through at Outfall 46

  • Outfall 40

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    Microtunnel Boring Machine (MTBM) suspended over shaft

  • Opera Shaft

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    Workers examing hydromill teeth

  • Opera Shaft

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    Clam exiting shaft

  • Opera Shaft

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    West side of TBM front and tail shield & Bowflex seal before start of tunneling

  • Opera Shaft

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    Tunnel Boring Machine (TBM) front shield underside showing push rams and hydraulic lines

  • Steel Bridge Shaft site

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    Microtunnel Boring Machine (MTBM) under assembly

  • East Side CSO tunnel

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    View of northbound tunnel with inspector

  • Opera Shaft

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    Close up overview with front shield and workers

  • Opera Shaft

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    The cutterhead of "Rosie" the TBM gets christened with the project team

  • Opera Shaft

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    Diver looking out of decompression chamber

  • Opera Shaft

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    Conveyor positioning over river

  • Alder Shaft

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    Flooded excavated shaft with Montage and Portland Storage Co in background

 

Other Projects in the Vicinity:

 

Construction near the
Opera and Taggart Shafts:

 

ODOT's MLK Viaduct Replacement Project logo