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Bolt failures during Transbay Tube retrofit blamed on BART oversight lapses

Bolt failures during Transbay Tube retrofit blamed on BART oversight lapses
Photo: NBC Bay Area (KNTV, NBC) · view original

Hundreds of high strength anchor bolts needed to secure seismic plates on the retrofit of BART’s Transbay Tube failed immediately – a breakdown that a new audit blames on flawed oversight by BART. In the end, more than 8,000 bolts – originally ordered to fasten the steel plates that were installe...

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