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 ...

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 ...

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 ...

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 ...

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 ...

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 ...