Perforated Pipes Are Bonded Together with Glue | Drainage Worker
Hello, everyone. This is Enta. When performing drainage boring, do you apply adhesive to the PVC pipes? The perforated pipes used in drainage boring aren’t subjected to any particular stress; their role is simply to be buried in the ground and drain water away. For that reason, it’s true that many contractors tend to take this step lightly…
Casing Tubes for Core Drilling Are Not Suitable for Rock Formations | Limitations
Hello, everyone. This is Enta. It’s finally starting to get cold, isn’t it! It’s super tough out here on the job site, lol. We’re doing this kind of work inside a tunnel, but—maybe because of the bedrock—the casing tubes get completely worn out from the drill bit. This one’s brand new. We’ve also attached the drill bit…
Core Drilling for Drainage Boring | New Construction Method
Hello, everyone. This is Enta. I’ve been working on a new project lately. Well, it’s just a drainage job, but it’s in a very tight space. I’m using a core drill to drill through the concrete surface and then drill even deeper beyond that. The machine I’m using is strictly a core drill…
Controlling Water Flow | The Core of Slope Stabilization
Hello, everyone. This is Enta. Hasn't the weird rain been really bad these past few days? Especially in the Tokai region. It was pouring so hard that I decided to take some photos lol. The water level at the Asukabu section in the latter half of the video was already incredibly high, and it kept rising afterward until it reached about 80% of the maximum height. This area usually gets a lot of rain…
Trying Out a Down-the-Hole Hammer | Drill Performance
Hello, everyone. This is Enta. I’ve uploaded a video to YouTube showing drilling with a down-the-hole hammer. This site is made of granite, so it’s incredibly hard. Depending on the machine’s capabilities, if you were to drill with a standard backhammer, you probably wouldn’t even be able to drill one hole a day. That…
I Tried Making a Drain | On-Site Improvement
Hello, everyone. This is Enta. The other day, I set up a drainage system at the company’s construction site. Well, to be honest, all I did was dig some holes with a rotary percussion drill and fill them with crushed stone, lol. This area used to drain well, but it seems the soil has compacted over time, causing poor drainage. …
Drainage Boring Tip Cap | Clog Prevention
Hello, everyone. This is Enta. The other day, I found something at a job site. Here it is. I do a lot of drainage work, but I rarely see this type of PVC pipe specified in designs. This one has the best grip. Especially when the water flow is heavy…
Drill Slime Is Useless | The Meaning of Gathering
Hello, everyone. This is Enta. You haven’t collected core samples from every single borehole, have you? They’re collected to verify whether the soil conditions at the site match the planned soil profile. But it’s even questionable whether those samples represent the same soil type. Well, it depends on the supervisor…
Aligning the Angle of Drainage Boring | Drilling Accuracy
Hello, everyone. This is Enta. I met a supervisor who was new to dewatering drilling the other day. He asked me all sorts of detailed questions about things he was curious about, and I answered them, but I could tell he still didn’t quite get it. So I told him, “You’ll understand once we actually start the work!” But here are some photos from before that…