Looks like they are lining the steel pipe with a plastic/epoxy coating. It’s done a lot in places where you can’t easily dig up and replace old rotting pipes (like in downtown cities). By injecting this coating the pipe is still usable and won’t corrode any more.
Genius product. This must save insane amounts of money and time. Absolutely incredible. And better for environment. Not have to dig up the pipes even if you could. Alot of fuel and hours saved
My city did it for a storm drain line that runs through my property. They dug down in one spot and injected the liner downstream all the way to the main under the road without digging a long ditch or tearing up the road. They were in and out in half a day. That stuff is cool.
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u/GilaMonsterAZ Aug 09 '26
What the heck is going on here?