How a workday at a Tennessee plastics factory turned deadly

11:35 a.m. 

Senior management attempted to move the company server and important documents, finished a final walkthrough of the plant and left, according to Impact Plastics’ prelimin review. These were the last individuals to leave the building, the review stated.

Their walkthrough took less than 10 minutes, and at that point, no one else was in the building, Hudgins said. They had to “make the owner leave,” he said.

Peterson, one of the victims, guided Hudgins and three other employees, including the chief financial officer and O’Connor, the owner, out a side door of the building and toward railroad tracks behind Impact Plastics, Hudgins said. Peterson went around to the front of the building to see if there was a way out, and got separated from Hudgins and O’Connor, Hudgins said.

Sometime later, a van from Nuclear Fuel Services rescued the group on the tracks after one of them made a call to a friend at the company, Hudgins said. 

“When we got in the van, we were still trying to contact rescue people … ‘We still have people on the road. Can you please get somebody?’ We could see them from the railroad tracks,” he said. “And the water was just so high and rushing so rapidly that even an effort to try to get over to them, to lead them to where we were, was an impossibility.” 

11:48 a.m.

The Erwin Police Department issued a state of emergency.

11:51 a.m.

A third NWS alert went out to cellphones across Erwin and other areas along the river, extending the flash flood emergency until 2 p.m. 

12:08 p.m.

Mendoza sent her daughter Clarissa a video of flooding in the Impact Plastics parking lot. Clarissa offered to come meet her mother on the interstate, but Bertha told her that the water is rushing so rapidly that there is no way to get to the interstate, according to an attorney representing the Mendoza family.

12:32 p.m.

Hernandez-Corona sent a message to her sisters again on WhatsApp saying in Spanish: “I am okay. I am here on top of a trailer.”

12:48 p.m.

Hernandez-Corona sent a tearful audio message to her sisters, “Pray for us please” that was shared with NBC News by a family member. 

12:52 p.m.

Hernandez-Corona sent another audio message to her sisters: “I’m here on a trailer but the water is about to get here. Please, God bless us. I don’t know what is going to happen. Take good care of my children.” 

12:57 p.m. 

Peterson sent a final video to his daughter of the turbulent waters surrounding him and other workers aboard Dorsey’s flatbed trailer, according to his daughter in an interview with WSMV in Nashville.

1 p.m. 

Adkins called her husband for the last time before she meets up with him at the far side of the industrial park, according to her call logs. He used wire cutters to break through a barbed wire fence and then drove her home, she said.

1:03 p.m. 

Hernandez-Corona sent a desperate audio message in Spanish to her sisters: “Care for us. Protect each of my children, Lord. We are atop a trailer.”

1:28 p.m. 

In her last audio message to her sisters, Hernandez-Corona said: “I’m still praying, Lord.” 

Mendoza started calling family members to say goodbye, according to the family’s attorney. She told her daughter Clarissa that she loved her and to keep the stranded group in her prayers. She told her son Emanuel that this would be the last phone call because she needed to hold onto something for safety and her phone would get wet.

1:49 p.m.

Another NWS alert went out to cellphones at or near the plant, extending the flash flood emergency until 5 p.m. 

Time unknown

On the trailer and amid strong currents, “we hit a tree or something. We hit a tree, my trailer capsized, and everybody fell off the trailer,” Dorsey said in an interview with NBC News. 

“And once we got inside of the water, I was trying to hold on to Ms. Bertha, but I got hit upside the head by something, and I got knocked unconscious,” Dorsey said. “When I came back to, I was looking for something to grab onto. … I ended up grabbing ahold to  one of the tube things that fell off my truck.” 

4-5 p.m. 

Dorsey and the others who were able to grab onto the plastic pipes from his trailer float in the floodwaters until they wash up in a pile of debris pushed against trees and are able to stand, Dorsey said.

Sometime later, a National Guard helicopter rescued Dorsey and seven other people, he said. A fan boat had tried to reach them but the current was too strong, Dorsey said.

Week of Sept. 30

In an interview with NBC News four days later, Jarvis said of his lost co-workers: “The hardest part is knowing I’m here and they’re not. They should be here with me.”

Adkins and Jarvis survived the ordeal, but they say they can’t sleep. Dorsey, still in pain from the injuries he sustained that day, said that “mentally, I’m still messed up … that lady died,” referring to Mendoza.

Monday, Oct. 7

Preparing for Mendoza’s funeral, her husband Elías, accompanied by one of his sons, Guillermo, described how he had moved between the U.S. and Mexico as a guest worker for years, until he was able to get visas so he, his wife and their children could live permanently in the U.S. He would tell her that even if their children left to marry and live their own lives, “what I love the most is that I still have you.”

Since that Friday, Sept. 27, “the most difficult thing is to have to understand that she is not there,” said her husband of 38 years, “to cross that door and to understand that she’s no longer there.”