The Boston Globe writes Worries about lights were kept in the dark. I didn't know anything about this.
"The Big Dig already had a tragic experience with dangerous falling objects. A tunnel ceiling panel had collapsed in 2006, killing a woman a few hundred yards from where the nine corroded fixtures were discovered on Feb. 16. State engineers had no way of knowing how many more of the 25,000 lights in the Big Dig tunnels had become unstable - and plenty of reason to fear that corrosion was widespread after years of saltwater leaking into the tunnels.
But the engineers in charge kept quiet. They filed no written report. They didn’t brief their boss. And when they asked federal regulators for money to fix a corrosion problem that “could’’ lead to falling light fixtures, they didn’t disclose that one had already fallen."
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