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IBTTA April 19 PowerPoint PPT Presentation

Loma Prieta Earthquake (1989) New East Span of San Francisco-Oakland Bay Bridge ... ZPMC - Shanghai, China. ZPMC - Shanghai, China. ZPMC Fabrication Facilities ...

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IBTTA April 19

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Bay area toll authority san francisco oakland bay bridge east span seismic replacement project l.jpg

Bay Area Toll AuthoritySan Francisco-Oakland Bay Bridge East Span Seismic Replacement Project

IBTTA

April 19, 2009


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Loma Prieta Earthquake (1989)


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New East Span of San Francisco-Oakland Bay Bridge


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Self Anchored Suspension Span (SAS)


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A long history….

  • Extensive Public Input

  • Multiple Design Alternatives

  • Multiple Administrations

  • September 11

  • Single Bid


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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


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ZPMC - Shanghai, China

2.25 miles


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ZPMC - Shanghai, China

ZPMC Fabrication Facilities


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Shop Drawing Preparation

Sub-Assemblies Fabrication

Segment Assembly

Blast, Paint & Fit Up

Ready To Ship


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Steel Roadway Decks

Steel Roadway Boxes Under Fabrication


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Roadway Deck Fabrication Shop

Steel Roadway Boxes Under Fabrication


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Steel Roadway Decks

Steel Roadway Boxes Under Fabrication


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Steel Roadway Boxes Ready for Fit-up


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Tower Leg Fabrication


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Tower Leg Fabrication


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Tower Leg in Rotating Jig


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Fabrication Inspection


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1,700 Ton Shear-leg Crane Barge Undergoing testing


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Shear-leg Crane Barge Arrival in San Francisco Bay


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Temporary Supports

Temporary Support Structures


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Temporary Support Truss Looking East

Temporary Support Structures


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Yerba Buena Island Detour Construction


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Stage 1 - Skid Beams and Temporary Support


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Stage 2 – Construct New Roll-in Truss


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Stage 3 – Complete Roll-in Truss


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


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Stage 5 – Roll-out Existing Truss


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Stage 6 – Roll-in New Truss


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Stage 7 – Open Detour to Traffic


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Yerba Buena Island Detour Construction


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Oakland Touchdown Under Construction


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Completed Skyway


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Skyway (2007)

Completed Skyway


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http://bata.mtc.ca.gov


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