Is It Illegal to Raise a Crane’s Outriggers? | Considerations for Leveling a Crane on Sloped Ground
Hello, everyone. This is Enta. The other day, I came across this photo and posted it on social media. It shows a platform about 1 meter high made by placing planks under the crane’s outriggers. At first glance, you might think, “That looks dangerous!” I thought so too, but if you look closely at the photo…
In a sense, it’s only natural that things aren’t going according to the manual (from the Dojima River Occupational Safety Consulting Office)
When it comes to on-site safety management, have you ever seen someone struggling with the fact that “workers aren’t following the manuals or procedures as they should”? When problems or accidents occur, managers undoubtedly tend to think, “That’s a violation of the rules” or “We need to enforce the procedures more strictly.” …
How Does Adaptive Capacity Change with Age? Explaining Heat Acclimatization, Cold-Weather Work, and the Introduction of New Construction Methods Based on the Latest Research Papers
Hello, everyone. This is Enta. When you’re working on a slope construction site, I think there are times when you notice that “even under the same conditions, the reactions of young workers and veterans are clearly different.” For example, during mortar spraying in the middle of summer, the younger workers tend to get exhausted first, whereas during rope work in the winter, the hands of the older workers…
What Is "Kan'ko"? | A Civil Engineer Explains the Pronunciation, Meaning, and "Risk-Taking" in Construction Sites
Hello, everyone. This is Enta. “Carry out” and “willingness to carry out”—we see these terms quite often in the news and safety documents, but aren’t they among those words that, to be honest, you can’t answer right away if someone asks you what they mean? Especially on construction sites, the term “willingness to carry out risky tasks” comes up as part of KY activities. Well…
I Found a Great Product! (2026 Heatstroke Prevention Gear! Cold Bath Edition)
Hello, everyone. This is Enta. The other day, I was reading the Ministry of Health, Labor and Welfare’s “Heatstroke Guide for Workers: Tips You Can Use Right Now.” In it, they featured an initiative called “Cool Foot Baths” run by Kajima Corporation, a major general contractor, and I thought it was a really great idea. So right away…
I figured out why slopes are hotter than flat ground! It’s the one-two punch of sunlight and reflected heat.
Hello, everyone. This is Enta. Summer construction sites—especially on slopes—are pure hell, aren’t they? I wondered if there was a difference in temperature between flat ground and slopes, so I decided to look into it. Turns out, I found all kinds of data lol. Today, I’ll explain “why slopes are hotter than flat ground” by looking at the angles of sunlight and reflected heat…
If You Notice Something "Different," Suspect Heat Stroke! Check for Early Symptoms to Save Lives on the Spot
Hello, everyone. This is Enta. The hot season is coming around again this year. It looks like the forecast is saying things are going to get really bad after Golden Week... On slope construction sites, since we’re working right up against the slope, we get hit with a double whammy of heat reflecting off the ground and direct sunlight, don’t we? On top of the steel plates used by the earthwork crew…
Combination of Fall Arrest Devices (From Dojima River Occupational Safety Consultants)
To begin with, the fact that these items are sold separately is what makes it difficult. You often hear things like, “Use fall arrest devices for work at heights” or “Use shock absorbers,” and those statements are correct in and of themselves. However, when it comes time to actually make a purchase, what confuses workers is that harnesses, waist belts…
Drinks to Help Prevent Heat Stroke (From the Dojima River Occupational Safety Consulting Office)
The other day, I wrote a little about the new mandatory heatstroke prevention measures. Today, I’d like to discuss what kinds of drinks are most effective for people doing strenuous work. 60% Water It’s often said that 60% of the human body is water. When you’re working hard in the heat, your body loses water rapidly…