That Submersible Pump | Anti-Theft Modification
Hello, everyone. It’s Enta here. It finally arrived the other day! Here it is! As you can see, it’s a submersible pump! But wait—it’s actually a submersible pump for hot water!! And it just arrived right now, when winter is almost over lol. I guess I won’t be able to use it until next winter…
Key Points to Note for Test Mixes | Concrete Quality
Hello, everyone. This is Enta. The other day, I did some test mixing for the first time in a while, lol. Even though the current method has been established for over 30 years now, I can’t help but wonder, “What’s the point of test mixing anyway?” When it comes to spray mortar, you mix a 1:4 mortar ratio, but based on experience, it’s almost always…
The Effectiveness of Auxiliary Anchors | Reinforcement of Concrete Frames
Hello, everyone. This is Enta. How do you handle the auxiliary anchor pins for reinforced concrete frames? For example, on drawings, I think they’re usually shown right in the middle of the frame, like this. Well, there are usually about three of them, lol. Arrange them in a single row on the top reinforcing bars. Two on the top reinforcing bars, …
Sealed Systems Are Currently the Mainstream | Trends in Legal Framework Construction
Hello, everyone. This is Enta. I think this falls within the legal framework, but if the area were within the boundaries shown in the photo, how would you assess it? The area within the design boundaries is designated for green space. The left side is bedrock. The right side is a mixture of soil and sand with partial rock outcrops. About 80% of this mountain consists of exposed bedrock…
Q&A on Substrate Preparation for Spray Coating | Frequently Asked Questions
Hello, everyone. This is Enta. I received a question today, so I’d like to try answering it. Q: We’re installing retaining walls after completing excavation work at a challenging mountain site. Since there’s a risk of collapse while we’re working, we’ve decided to apply a lean-mix mortar without lath…
Hammer Drills You Shouldn't Buy | Examples of Mistakes
Hello, everyone. This is Enta. I bought these hammer drills a while back—a cordless one and a standard 100V model. I was somewhat prepared for the cordless one, so that’s no problem. But—! Hi-Koki DH40SE List Price: 82,400 yen Online Price: 51,00…
Galvanized Cable Ties Are the Safe Choice | Choosing Materials
Hello, everyone. This is Enta. The other day, I was doing a cost estimate for a project commissioned by a city. The design was so unusual that I actually had to ask the city official in charge, “Are you sure this is correct?” It made me realize that designs like this still exist these days. Since the bidding process hasn’t started yet, I can’t go into details…
Choosing Products with the Best Value for Money (Spray Application) | Selecting Materials
Hello, everyone. This is Enta. Here’s a consumable we use when doing spray application: the delivery hose. I wonder if the name varies by region? It’s also called a material hose, right? We’ve been using this hose on a trial basis recently. If you take a closer look, you’ll notice it has some unique features…
What You Need to Know About Installing Window Frames (Part 3) | Real-Life Examples
Hello, everyone. This is Enta. Here are the pros and cons of installing formwork along a slope. Pros: 1. The amount of mortar used is limited to the design quantity plus a small amount for waste. 2. Less work is required because there are fewer areas where reinforcement mesh needs to be used. 3. Since the depth isn’t great, construction progresses as scheduled. 4. When viewed from the front…