Baltimore's bridge collapse: Crews prepare for controlled demolition


BALTIMORE (AP) — After weeks of preparation, crews are set to conduct controlled demolition Sunday to tear down the largest remaining portion of the collapsed Francis Scott Key Bridge in Maryland, which crashed on impact with a giant container ship in March. Was. 26.

After this the steel span landed on the bow of the ship branch lost power and Crashed into One of the bridge's support pillars shortly after leaving Baltimore. Since then, the ship has been stuck among the wreckage and the busy port of Baltimore has been closed to most maritime traffic.

Six members of the work crew died when the road collapsed. the last part of their body It was recovered from the underwater wreck earlier this week. all were victims latino immigrants Who came to America for job opportunities. They were filling ditches on the overnight shift when the bridge was destroyed.

Controlled demolition would allow the cast to be refloated and guided back into Baltimore Harbor. Once the ships are removed, maritime traffic will begin to return to normal, providing relief to thousands of longshoremen, truck drivers and small business owners who have seen their jobs impacted due to the closure.

Dali's 21-member crew would take cover in various places on the ship during the detonation of explosives.

Crew spokesman William Marks said they would shelter “in a designated safe location” during the demolition. “All precautions are being taken to ensure everyone's safety,” he said in an email.

In a videographic released this week, officials said engineers are using precision cuts to control how the trusses collapse. He said this method allows for “surgical precision” and is one of the safest and most efficient methods of removing steel under high levels of stress. According to the videographic, the steel structure will be “thrown off the cast” when explosives drop it into the water.

Once it is demolished, hydraulic grabbers will lift the resulting sections of steel onto barges.

“It's important to note that this controlled demolition is not like you would see in a movie,” the video says, adding that from a distance it will sound like fireworks or loud thunder and release plumes of smoke.

Officials previously said they expected remove branch Reopened the port's 50-foot (15.2-metre) main channel by May 10 and through the end of May.

Dali's crew members have not been allowed to leave the grounded ship since the disaster. Officials said they were busy maintaining the ship and assisting investigators. Of the crew members, 20 are from India and one is Sri Lankan.

The National Transportation Security Board and the FBI are are investigating In the bridge collapse.

Danish shipping giant Maersk chartered Dali for a planned voyage from Baltimore to Sri Lanka, but the ship could not go far. Its crew sent out a Mayday call saying they had lost power and had no control of the steering system. A few minutes later, the ship collided with the bridge.

Officials have said the safety board's investigation will focus on the ship's electrical system.




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