Beam Cracks Cause Closure of San Francisco’s New $2B Transit Center

Wooden texture with cracks

While officials have not discovered the cause of the problem, The Real Deal reported several possibilities, including “fabrication problems, installation error, too much weight, or an issue in the initial design.”

October 9, 2018
David Suggs – Bert L. Howe & Associates, Inc.

After two billion dollars and two decades, San Francisco’s newest transportation hub opened on August 11th of this year only to be closed a month later, on September 25th, after a cracked beam was discovered, according to The Real Deal. Later, workers found an additional, though smaller, crack in another beam parallel to the first.

The Real Deal described the crack in the first beam: “The Transbay Joint Powers Authority (TJPA) – which built and now operates the center – said the tear was 2.5 feet long and 4.5 inches deep on a 60-foot beam that holds a 5.4-acre rooftop park above a bus deck.” Steel supports are now being installed to reduce the pressure on the beams.

While officials have not discovered the cause of the problem, The Real Deal reported several possibilities, including “fabrication problems, installation error, too much weight, or an issue in the initial design.”



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