Reported By Deanna Lambert
A sewer hog is set up at the end of Broadway in downtown Nashville. What's going on can be explained like a colonoscopy on the city's sewer lines.
"The sewer couldn't go nowhere, manholes lifted, dirt and everything went into the lines," said Project Superintendent Art Horton of Brenford Environmental Systems of the May flood. "Dirt, rocks, concrete whatever else is in there."
Brenford Environmental Systems is the Texas-based company that's been in Nashville for two months pumping out a lot of debris from the city's sewer lines. According to Brenford's website, a sewer hog is "the world's most powerful jetting system ... specifically engineered for cleaning and meeting all the real-world challenges of large diameter pipe, tanks and wells."
"We've found carpet, rocks, chunks of concrete, forms, umbrellas, golf clubs," Horton said.
The combination storm drain and sewer line is 72 inches in diameter, and almost half of it is full of dirt and debris, leaving little room for actual storm water and sewage.
"If it rains, anything that's running along the street goes into this line. That's why you get such oddball stuff," said Horton.
As of this week, the sewer hog is now going to work at the end of Broadway.
"We're making more capacity, is what we're doing," said Horton.
Horton said this sewer hog is just one of three machines charged with cleaning up 12,000 feet of sewer line from Interstate 24 to the sewage treatment plant. But the project will take a while.
"There's a crew out in front of us right now looking at all the lines to see how many more need to be cleaned," said Horton.
Already, the workers have pulled out 400 tons of debris from the sewer lines, which would fill about 30 large containers. They average cleaning only about 10 feet of the line each day, so it will take until next summer to complete this section of the project.
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