Articles Tagged with ''Salesforce Transit Center''

Cross-complaints filed regarding San Francisco’s troubled Salesforce Transit Center, shuttered after girder fractures

The steel subcontractor and the fabricator for the problem bridge-like spans at San Francisco's Salesforce Transit Center are vigorously countering the Transbay Joint Powers Authority's contention that a construction error caused the brittle fractures of the hub’s two built-up plate girders.

The fix is under way of the fractured twin plate girders that span 80 ft across Fremont Street in the 4.5-block-long Salesforce Transit Center in San Francisco, but a reopening date is not yet set.

On Jan. 10, the Transbay Joint Powers Authority announced that procurement has begun for the repair of the two fractured bottom flanges of the twin parallel girders that span 80 ft across Fremont Street in the 4.5-block-long Salesforce Transit Center in San Francisco.

The underlying causes of the trouble at San Francisco’s 4.5-block-long Salesforce Transit Center are coming into focus.

The steel fabricator for the third-floor tapered, built-up plate girders at the troubled Salesforce Transit Center in San Francisco is calling for a girder-hanger connection design review as part of the probe into the causes of brittle fractures in bottom flanges of twin 80-ft-long members that bridge Fremont Street.

The proposed bypass fix for the troubled Fremont Street girders of San Francisco's Salesforce Transit Center calls for bolting 20-in.-wide steel cover plates above and below the fractured bottom flange, like a double splint.

An independent panel of experts in steel structures, fracture mechanics and metallurgy is reviewing every step taken by the Transbay Joint Powers Authority team investigating the cause of two cracked girders at the Salesforce Transit Center in San Francisco.

The Transbay Joint Powers Authority board of directors has called for a complete structural evaluation of San Francisco's 1.2-million-sq-ft transit center, closed because of fissures found in two girders that span 80 ft across Fremont Street.