Workers used torch before explosion, collapse at water reclamation plant on Far South Side, CFD says- by Jessica D’Onofri-ABC News

Workers were using a torch before an explosion and collapse at a Chicago water reclamation plant on the Far South Side Thursday, the Chicago Fire Department said.

Ten people were injured in the explosion and collapse at about 11 a.m. at the Calumet Water Reclamation Plant at 430 East 130th Street. Work was being done in the building and one of the workers was using a torch and shouldn’t have, fire officials said.

The explosion occurred in a room that contains a large tank that is recessed into the ground and holds sludge and they were in the process of pumping the sludge to the next building where it is broken down.

Workers were doing work on the vessel and were supposed to use an impact wrench to take apart the vessel, but the wrong tool was used and a flame subsequently ignited methane, a byproduct of the sludge, that was in the atmosphere.

CFD said the cause of the explosion was accidental and was the result of human error.

WATCH: Firefighters rescue person after explosion at water plant

Firefighters rescue a person after the roof of a water reclamation plant collapsed on the Southeast Side after a reported explosion.

The explosion caused the roof to raise and instead of the walls blowing out, the roof went up and came back down and the supports were no longer aligned, leading to the roof collapse.

“Its a miracle that no one was killed because this type of event could have killed everyone inside,” said Chicago Fire Department Spokesman Larry Langford.

Families said the men have badly broken bones and cuts, but they’re alive thanks to the fast work of both first responders and doctors.

“He saw a flash, I guess they must’ve known something was happening. He started running, he heard an explosion and he woke up, he was buried with beams,” said Kathy Kissane, the worker’s wife.
Two of the injured were trapped under steel beams and rubble. One was freed right away, but a second worker was buried by fallen debris. It took firefighters two hours to free him.
RELATED: Water reclamation building’s roof collapses in Chicago after explosion; 10 injured

“The first individual was removed quickly, but we had a problem,” said Chicago Fire Commissioner Jose Santiago. “We had another individual that was buried and entombed. The companies had to dig six feet down and then tunnel their way approximately 20 feet to the victim who was pinned by a very large beam on his legs.”

Firefighters called in teams for medical assistance whose advice helped them narrowly avoid amputation.

Friday morning, two workers remain hospitalized, one in serious condition and one in fair condition.

OSHA has launched an investigation into the incident. Meanwhile a statement from the Calumet Water Reclamation Plant said it will thoroughly investigate this incident and work to identify measures to prevent something like this from happening again.

The Metropolitan Water Reclamation District said in a statement, “We are working with local, state and federal investigators to determine the cause of yesterday’s incident while at the same time mobilizing to begin the cleanup process.

Our staff have worked diligently to ensure treatment operations continued to function as designed. There is no threat to the public and we will continue to treat water at the plant as normal.

The MWRD is extremely grateful for the tremendous effort put forth by the Chicago Fire Department and other emergency responders in extricating the two trapped workers and attending to all of the injured.”

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