Back in 2015, contractors and engineers disagreed about the need for the weld access holes now suspected of causing giant cracks in critical support beams, Transbay documents reviewed by NBC Bay Area ...

Welding sheetmetal together makes burning thick metal together seem like a smiley walk in your favorite off-road shop. Welding sheetmetal is scary and daunting. Why, you may ask. Well, there are ...

After Thursday’s meeting of the Transbay Joint Powers Association board, we may finally have an idea what’s behind the cracking in the faulty girders that have kept the new $2 billion-plus Transbay ...

Transbay terminal officials said Thursday that the weld access holes suspected of triggering cracks in giant steel beams on the $2.2 billion project had passed muster during what they called ...

Welding thin sheet metal can be challenging because you need to obtain adequate fusion while preventing distortion and burnthrough. The key skill is to control the heat across the sheet metal to ...

When repairing an older 4x4's bodywork, you'll occasionally find out that the path of least resistance to the repair is to remove and replace a body panel. This could be due to rust or severe damage ...

As the age of the cars being restored grows older, the rust damage needing to be repaired becomes more extensive. Panels that we wouldn't have even thought to replace a few years ago are being ...

This is a close-up view of porosity in a TIG weld. We will examine some of the causes for weld porosity and ways to prevent it. Q.When I TIG-weld a patch panel into an old car and then grind the weld ...

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 ...