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This is a plant that we work at all the time and this is a main line that picks up several drains. It was completely backed up with fat that looks like crisco. We were jetting for several hours before we could get a camera in the line. When we finally did we found all of that. We have to fill the jetter with 140 degree water to accomplish anything there most of the time. There are steam and cold water mixing valves everywhere you turn there so the hot water supply is endless.
We jetted them to a manhole inside the building and pulled them out by hand. There was a 45 right before the structure so they would get jammed in there and then we could just reach in and yank them out.
Jr was the first time you ever came across cables that been in a sewer long forgotten?
I run into it at least twice a year. Last one I did I was rodding from an outside clean out and when I was pulling back my cable I noticed it looked like it was flipped around itself in the clean out. I was like what the heck I never felt my rod flip, so I pulled it out by hand as I got to the part that was flipped I realized it was not my cable it was someone that was lost in the line that just wrapped up with my cable. As we where pulling out the rest of this cable out of the line (was 80' long of 3/4") toward the end it was tangled up with another cable this time it was 60' of 7/8" section cable. So what I gathered was someone broke the 7/8" cable in the line, and did not told anyone and the next guy got tangled up in it and snapped off his rod and didn't tell anyone since the home owner was super shocked to see all this cable I removed from his sewer.
I come across this every now and then too but this is the first time i have retrieved sectional cable from a line. Usually it is smaller cable or 3/4" standard wound cable. This stuff had been in that line for a very long time and it was super brittle. If you bent it to much it would just snap apart. There is a lot of caustic acid running through those lines as well as other chemicals used in the soap making process. It is a process sewer line and not sanitary.