New San Francisco - Oakland Bay Bridge Surveying Presentation

1. The Survey for the New San Francisco Oakland Bay Bridge December 1 st , 2008 ASCE Dallas Branch Meeting

3. Project Limits San Francisco Oakland Treasure Island Yerba Buena Island

5. SAS Components

9. Conventional Precision Survey Methods

10. Conventional Network 95% confidence regions exceed project tolerance (3 mm)

13. Leica Laser Tracker and 1.5″ Precise Sphere

14. Laser Tracker Survey of the Transition Span OBG’s

16. Pile Sleeve Analysis

17. T1 Footing Pile Sleeve Alignment and Key Dimensions

18. T1 Footing Organized Chaos

26. Dowel Survey Results

27. Template Survey Results

28. T1 Footing at KOS

29. T1 Footing Delivery

30. Driving the Piles

31. T1 Footing in Place

32. T1 Footing Installed

33. ZPMC Fabrication Facility Shanghai

34. ZPMC

36. The Basic Tower Design

42. Survey Report (Shaft Dimensions)

44. Survey Report (Stiffener Locations and Orthogonality)

45. Survey Report (Shaft Torsion Analysis)

46. Alignment at Shaft Splice

48. Jig Under Construction

49. OBG Survey

50. Ice Cream Break

52. Thank You