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

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Presentation on theme: "IBTTA April 19, 2009 Bay Area Toll Authority San Francisco-Oakland Bay Bridge East Span Seismic Replacement Project."— Presentation transcript:

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

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 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

7

8 2.25 miles ZPMC - Shanghai, China

9 ZPMC Fabrication Facilities

10 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

11 Steel Roadway Decks Steel Roadway Boxes Under Fabrication

12 Roadway Deck Fabrication Shop Steel Roadway Boxes Under Fabrication

13 Steel Roadway Decks Steel Roadway Boxes Under Fabrication

14 Steel Roadway Boxes Ready for Fit-up

15 Tower Leg Fabrication

16

17 Tower Leg in Rotating Jig

18 Fabrication Inspection

19 1,700 Ton Shear-leg Crane Barge Undergoing testing

20 Shear-leg Crane Barge Arrival in San Francisco Bay

21 Temporary Supports Temporary Support Structures

22 Temporary Support Truss Looking East Temporary Support Structures

23 Yerba Buena Island Detour Construction

24 Stage 1 - Skid Beams and Temporary Support

25 Stage 2 – Construct New Roll-in Truss

26 Stage 3 – Complete Roll-in Truss

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

28 Stage 5 – Roll-out Existing Truss

29 Stage 6 – Roll-in New Truss

30 Stage 7 – Open Detour to Traffic

31 Yerba Buena Island Detour Construction

32

33 Oakland Touchdown Under Construction

34 Completed Skyway

35 Skyway (2007) Completed Skyway

36

37 http://bata.mtc.ca.govhttp://bata.mtc.ca.gov


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