Defective Bay Bridge steel rods traced to Dyson

Apr 01, 2013 | 05:07 PM | Samuel Frizell

Tags  San Francisco-Oakland Bay Bridge, Dyson, California Department of Transportation, Caltrans, SanFrancisco Metropolitan Transportation Commission, steel fasteners, Samuel Frizell

NEW YORK — The California Department of Transportation (Caltrans) is investigating the cause of damage to 32 steel rods on the San Francisco-Oakland Bay Bridge that had been supplied by Painesville, Ohio-based Dyson Corp.

Construction workers tensioning 96 steel rods for bridge contractors American Bridge Co., Coraopolis, Pa., and Fluor Corp., Irving, Texas, in early March found evidence of fracturing on one-third of the rods.....

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