It works, and frankly, if you have a bit of patience, its cheap too. You dont need to waste your money on a jet nozzle and threaded adapter. SERIOUS over-engineering. Gluing a cap on the end and drilling a 1/8" hole in it achieves the same goal for a fraction of the cost. My entire project cost was under $7 with tax. (Jet nozzles + the threaded adapter cost more than that alone.) Though in hindsight I'd probably step up to a bigger jet hole.
I needed to run a low voltage wire under my sidewalk. I know there are sleevers and whatnot, but those run in the hundreds of dollars. I built my own out of some PVC, a cap, and a hose adapter. Same thing as in the link, but I only spent a handful of pennies on a cap instead of buying more expensive hose adapters and jet nozzles. Heck, I think my entire rig cost less than the jet nozzles. I just drilled a hole in the cap to create the water jet instead of spending a couple bucks on the hose adapter, and another $6 or so on the hose jet nozzle. Maybe those are required for larger bores, but for my 1/2" run mine did good.
Though I did have a small panic moment. In hindsight (3/4 through the bore) I realized my jet hole wasnt big enough, or I didnt get far enough below the gravel base. Because it was going SLOOOOOOOOW. But when I tried to back it out to try to reposition and burrow down at an angle, I could only pull it back an inch or so without forcing it. I only had about 2" of play back and forth because the gravel displaced by the jet was now behind the lip of the cap, jamming it into place.
Eventually I busted through and it all worked out. I was able to cut off both ends of the pipe to create a conduit, and my project is now complete. FINALLY.
Irrigation Helps & Tutorials - How to Dig & Run Pipe Under Driveway or Sidewalk for Irrigation System Installation
Irrigation Helps/Tutorials - To dig and run pipe under driveway or sidewalk, the most efficient and cost effective way to bore under an obstacle is to create a hole using the power of water.
irrigationrepair.com
I needed to run a low voltage wire under my sidewalk. I know there are sleevers and whatnot, but those run in the hundreds of dollars. I built my own out of some PVC, a cap, and a hose adapter. Same thing as in the link, but I only spent a handful of pennies on a cap instead of buying more expensive hose adapters and jet nozzles. Heck, I think my entire rig cost less than the jet nozzles. I just drilled a hole in the cap to create the water jet instead of spending a couple bucks on the hose adapter, and another $6 or so on the hose jet nozzle. Maybe those are required for larger bores, but for my 1/2" run mine did good.
Though I did have a small panic moment. In hindsight (3/4 through the bore) I realized my jet hole wasnt big enough, or I didnt get far enough below the gravel base. Because it was going SLOOOOOOOOW. But when I tried to back it out to try to reposition and burrow down at an angle, I could only pull it back an inch or so without forcing it. I only had about 2" of play back and forth because the gravel displaced by the jet was now behind the lip of the cap, jamming it into place.
Eventually I busted through and it all worked out. I was able to cut off both ends of the pipe to create a conduit, and my project is now complete. FINALLY.
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