Uploaded by What is Going on With Shipping?
It’s been six weeks since the MV Dali cargo ship collapsed the Francis Scott Key Bridge closing the Main Shipping Channel to the Port of Baltimore. Cleanup crews have been working since to deconstruct the bridge, to clear secondary channels of debris all the while working to remove a collapsed portion of the bridge off of the stern of the MV Dali. The bridge, the ship and all of the debris continues to block the main channel to and from the Port.
According to The Baltimore Sun, crews will be using explosive devices to clear the bridge truss that is resting on the bow of the ship –
Continue ReadingFrancis Scott Key Bridge cleanup officials shared a video animation Wednesday depicting how crews plan to deploy small explosive devices to clear a large steel truss resting on the bow of the Dali container ship in the Patapsco River.
Crews will cut holes into various sections of the truss and place thin pieces of metal inside those holes — with small explosive charges attached — according to the one-minute animation. Each charge will be protected by a wrapping, “similar to a large piece of tape,” the video says.
All of the small explosives will detonate simultaneously, creating cuts that are “merely millimeters in width.” Observers might see small flashes and puffs of smoke, according to the animation.
The cuts will rend apart the truss section and send the pieces plunging into the river, unpinning the Dali.
“It’s important to note that this controlled demolition is not like what you would see in a movie,” says a voiceover on the animation released Wednesday. “From a distance, it will sound like fireworks or loud thunder and appear as puffs of smoke.”
Keep reading The Baltimore Sun