Workers had little warning as Maryland bridge collapsed, raising concerns over safety, communication

abcnews.go.com:

In the moments before the cargo ship Dali rammed into the Francis Scott Key Bridge and sent it crumbling into the water, a flurry of urgent warnings crackled over radios and enabled police to block traffic from getting on the span, likely saving lives

In the moments before the cargo ship Dali rammed into the Francis Scott Key Bridge and sent it crumbling into the water, a flurry of urgent warnings crackled over radios and enabled police to block traffic from getting on the span, likely saving lives.

But those warnings seemingly didn’t reach the six construction workers who were killed in last week’s collapse of the Baltimore bridge. Their deaths have raised questions about whether the construction company took proper precautions, including keeping a safety boat nearby that might have been able to warn them at least a few seconds before impact.

Federal regulations require construction companies to keep such boats, commonly known as skiffs, on hand whenever crews are working over waterways, safety experts told The Associated Press. There is no indication that the construction company, Brawner Builders, had a rescue boat on the water or ready to be launched as the bridge fell.

“If you’re working over a bridge like that, the standard interpretation doesn’t give you an option,” said Janine McCartney, a safety engineer for HHC Safety Engineering Services Inc. “The skiff is required, period.”

Coast Guard representatives and other officials said they were unaware of any Brawner boat in the water at the time of the March 26 collapse. And satellite images from around the time of the collapse appeared to show no skiff in the river near the bridge.

Even if the workers had been warned that the giant ship was about to hit, it's