Considering the Angle of the Reaction Wire During Suspended Drilling (A Theoretical Exercise)
Hello, everyone. It’s Enta here. It’s still not getting any cooler at all, lol. It’s taking a while to recover from the physical exhaustion caused by the heat, isn’t it? Summer is a really tough season for an old guy like me!! And today marks the start of September! It’s already the end of the year, lol. For those of you who are thinking ahead, it’s already the new year, right!? And then there’s Maru…
Core Sampling Using Rotary Percussion
Hello, everyone. This is Enta. For the past two weeks or so, I’ve been digging holes on a construction site lol. When I tell regular people I’m digging holes, they ask, “With a shovel!?” But when I say this to people in the construction industry, they usually ask, “With an excavator?” A slope specialist…
Plan the on-site arrangements broadly at first, then gradually work out the details.
Hello, everyone. This is Enta. How do you approach planning for a job site? It’s often said that 80% of the work is done in the planning phase, and only 20% is actual hands-on work. The key is how to carry out that 20% of the work efficiently and without missing anything, right? Forgetting something on site…
Key Figures to Consider When Buying a Machine
皆さんこんにちは。 エンタです。 先日は単価の事を書きました。 施工単価の決め方、単価の作り方(一般向け) 今日は施工機械を買うか買わないかの判断材料としての考え方を書いてみようと思います。 あくまでも私の主観と経験で書いていますので、皆さ…
What on earth is responsibility?!
皆さんこんにちは。 エンタです。 今年はホントずっと忙しくて、暇無しです。 本当にありがたいです。 昨年は仕事無くて死にそうになって、 今年もその影響でちょっと死にそうですがｗ頑張って耐えしのいでいます。 8月も終わりそうで、そろそろこの暑…
How to Determine Construction Unit Prices and How to Calculate Them (For the General Public)
皆さんこんにちは。 エンタです。 先日ある呑み会で単価の出し方の話になりました。 他業種の方なんですが、基本的に単価の出し方って同じなんです。 なので、法面屋としての出し方も土工事の出し方も基本は同じなので解説してみようと思います。 &nb…
With the number of contractors holding construction licenses steadily declining, will licenses eventually become unnecessary?
Hello, everyone. This is Enta. I’ve been in Tokyo for the past few days, attending on-site meetings. During one of them, someone asked, “Aren’t there any stonemasons left these days?” lol. The reason is that the job we’re working on involves splitting massive boulders. They want us to split these huge rocks. Usually, our slope work…
Characteristics of Site Supervisors Who Are Well-Liked by Subcontractor Craftsmen (From "The God of Construction")
Characteristics of Site Supervisors Who Are Well-Liked by Subcontractors What traits do site supervisors have that make subcontractor craftsmen think, “I’d like to work with them again”? In this article, I’ve summarized the common traits of site supervisors who are well-liked by subcontractors, based on what I’ve observed on-site. They give precise instructions and…
Risks and Troubleshooting in Grouting Operations (Part 2)
Hello, everyone. This is Enta. Risks and Troubleshooting in Grouting Work (Part 1) This is a continuation of my previous post. Since 1 m³ equals 1,230 kg (approximately 50 bags), this means that for the rebar insertion work we discussed the other day—with a borehole diameter of φ90 and a borehole depth of 5.0 m—we would have inserted about 10 times the amount specified in the design…