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Page 5 Contractors World Vol 2 No 7

USA

World’s largest cable saddle

The Self-Anchored Suspension Span (SAS) celebrates another milestone today as workers place the world’s largest cable saddle atop the tower of what will be the world’s longest SAS, at 624 m. The tower for the SAS, the signature element of San Francisco-Oakland Bay Bridge’s new span, will stand tall at 160 m.

The cable saddle weighs approximately 450 tons, and while it has a rectangular flat base, two sides jut

out. The top is curved to beter carry the cable over the top not just once but twice, making it one of the few double cable saddles in bridge constructon and the largest and heaviest for a suspension bridge. The base is 7.25 m long and 6 m wide. The saddle’s length stretches to 10 m close to the top. At the saddle’s curved apex, it is 4 m tall. [CW]

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