MEDIA SPOTLIGHT — Days after at least 30 giant bolts on the new $6.4 billion eastern span of the Oakland Bay Bridge snapped, the California state transportation agency has decided to reinspect all 288 bolts provided to the project by an Ohio fastener manufacturer, the San Francisco Chronicle reports.
“The company, Dyson Corp., has made or supplied a variety of bolts, fasteners and other parts that have gone into construction of the $6.4 billion bridge, which is scheduled to open to traffic the day after Labor Day,” writes Jaxon Van Derbeken of the Chronicle. “They include 4-foot-long, 3 1/2-inch-diameter rods that secure the cables on the span’s single, signature tower.”While no final determination has been made, the problem appears to be related to hydrogen embrittlement. (…)
via Ohio Fastener Manufacturer Scrutinized Over Bolt Failure – Global Fastener News – USA.