IBTTA April 19 - PowerPoint PPT Presentation

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bay area toll authority san francisco oakland bay bridge east span seismic replacement project l.
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IBTTA April 19

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  1. Bay Area Toll AuthoritySan Francisco-Oakland Bay Bridge East Span Seismic Replacement Project IBTTA April 19, 2009

  2. Loma Prieta Earthquake (1989)

  3. New East Span of San Francisco-Oakland Bay Bridge

  4. Self Anchored Suspension Span (SAS)

  5. A long history…. • Extensive Public Input • Multiple Design Alternatives • Multiple Administrations • September 11 • Single Bid

  6. Accountable Project Delivery AB 144 established the Toll Bridge Program Oversight Committee, composed of Director of the California Department of Transportation (Caltrans), and the Executive Directors of the California Transportation Commission (CTC) and the Bay Area Toll Authority (BATA), to be accountable for delivering the seismic project. On the right track…. WILL KEMPTON Director California Department of Transportation STEVE HEMINGER Executive Director Bay Area Toll Authority Bimla Rheinhart Executive Director California Transportation Commission

  7. ZPMC - Shanghai, China 2.25 miles

  8. ZPMC - Shanghai, China ZPMC Fabrication Facilities

  9. Shop Drawing Preparation Sub-Assemblies Fabrication Segment Assembly Blast, Paint & Fit Up Ready To Ship

  10. Steel Roadway Decks Steel Roadway Boxes Under Fabrication

  11. Roadway Deck Fabrication Shop Steel Roadway Boxes Under Fabrication

  12. Steel Roadway Decks Steel Roadway Boxes Under Fabrication

  13. Steel Roadway Boxes Ready for Fit-up

  14. Tower Leg Fabrication

  15. Tower Leg Fabrication

  16. Tower Leg in Rotating Jig

  17. Fabrication Inspection

  18. 1,700 Ton Shear-leg Crane Barge Undergoing testing

  19. Shear-leg Crane Barge Arrival in San Francisco Bay

  20. Temporary Supports Temporary Support Structures

  21. Temporary Support Truss Looking East Temporary Support Structures

  22. Yerba Buena Island Detour Construction

  23. Stage 1 - Skid Beams and Temporary Support

  24. Stage 2 – Construct New Roll-in Truss

  25. Stage 3 – Complete Roll-in Truss

  26. Stage 4 – Close Bridge and Cut Loose Roll-out Truss

  27. Stage 5 – Roll-out Existing Truss

  28. Stage 6 – Roll-in New Truss

  29. Stage 7 – Open Detour to Traffic

  30. Yerba Buena Island Detour Construction

  31. Oakland Touchdown Under Construction

  32. Completed Skyway

  33. Skyway (2007) Completed Skyway

  34. http://bata.mtc.ca.gov