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

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Presentation transcript:

IBTTA April 19, 2009 Bay Area Toll Authority San Francisco-Oakland Bay Bridge East Span Seismic Replacement Project

Loma Prieta Earthquake (1989)

New East Span of San Francisco-Oakland Bay Bridge

Self Anchored Suspension Span (SAS)

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

On the right track…. 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. WILL KEMPTON Director California Department of Transportation STEVE HEMINGER Executive Director Bay Area Toll Authority Bimla Rheinhart Executive Director California Transportation Commission

2.25 miles ZPMC - Shanghai, China

ZPMC Fabrication Facilities

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

Steel Roadway Decks Steel Roadway Boxes Under Fabrication

Roadway Deck Fabrication Shop Steel Roadway Boxes Under Fabrication

Steel Roadway Decks Steel Roadway Boxes Under Fabrication

Steel Roadway Boxes Ready for Fit-up

Tower Leg Fabrication

Tower Leg in Rotating Jig

Fabrication Inspection

1,700 Ton Shear-leg Crane Barge Undergoing testing

Shear-leg Crane Barge Arrival in San Francisco Bay

Temporary Supports Temporary Support Structures

Temporary Support Truss Looking East Temporary Support Structures

Yerba Buena Island Detour Construction

Stage 1 - Skid Beams and Temporary Support

Stage 2 – Construct New Roll-in Truss

Stage 3 – Complete Roll-in Truss

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

Stage 5 – Roll-out Existing Truss

Stage 6 – Roll-in New Truss

Stage 7 – Open Detour to Traffic

Yerba Buena Island Detour Construction

Oakland Touchdown Under Construction

Completed Skyway

Skyway (2007) Completed Skyway