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The podcast "Construction Tech Talk" explores digital tools and technologies in the construction industry. There are two "cats" on construction sites, one being a small roller coaster called a box cat and the other being the software application AutoCAD. AutoCAD is a crucial tool for engineers, offering features like 3D modeling. The Hong Kong government requires the use of Building Information Modeling (BIM) for projects over HK$30 million. Technology is being increasingly utilized in engineering to improve efficiency and safety. Smart management platforms, like C-Smart, integrate face recognition, IoT, AI, and cloud computing for real-time site management. These platforms include smart helmets that automatically clock workers in and out and monitor their location. They also provide fire alarm monitoring and machinery checking. Construction sites are safer now thanks to technology. Hi everyone and welcome to Construction Tech Talk, a podcast where we explore the latest digital tools and technologies, transforming the construction industry. If you are interested in recent developments in the construction field, you are in the right place. I'm your host, Wilson Chan, a third year civil engineering student at PolyU, and today I will be answering some of your questions about the construction site secrets. Let's get started by the first question comes from Jason, a secondary school student who is interested in engineering. He asked, why do I always hear people talking about cats at construction sites but never see them on site? Thank you, Jason. That's a very interesting question. Actually, there are two cats in construction sites. One cat is a box cat, a small roller coater, a cat's coat of its compact size and the pattern of a cat painted on its body. A quick comment on site, the other cat is a software application called AutoCAD. It is a crucial digital tool for engineers to draft and design construction processes. Its key features include 3D modeling, customization, and compatibility. In fact, the Hong Kong government has required consultants and contractors to use BIM, Building Information Modeling, in a project with a budget of over HK$30 million in 2018. In the future, the application of technology in engineering will only increase. So, if you are a student studying engineering like me, learn more of the latest technologies which will be very useful for your future career. So, if you hear a cat on a construction site again, it doesn't mean there's a real cat around. Next up, we have the second question from Emma in Hong Kong Island. Emma says, what are the sensors on worker hammers? They look full of technology. Great question, Emma. You may have noticed that some hammers can shine, make sounds, or even clock in and out. These are examples of smart management in today's construction industry in Hong Kong. More and more companies are using advanced technologies to manage their sites. For example, the C-Smart management platform from China today integrates face recognition, IoT, AI, and cloud computing for real-time construction site management. The smart helmet is part of this platform. It can automatically clock workers in and out and monitor their location in real-time. If a worker enters a dangerous area, a buzzer on the helmet will alert them to leave. This platform also provides fire alarm monitoring, material management, machinery checking, and so on. Not only does it improve management efficiency, but it also increases safety on construction sites. Now, for our final question from Yoyo, a concerned mother. She asks, my son is an engineer, and I often see industrial accidents on the news. I'm very worried about my son's safety when working on construction sites. Thank you for your question, Yoyo. I understand your concern, but don't worry. Construction sites are much safer than they used to be. Let me share with you a true story. When I was in Henning, my boss asked me to go to the site to check the progress of the road. I put on my helmet and shoes and got ready to go. But the boss stopped me and asked me why I had changed my clothes. It turns out we had jobs in the office checking on road progress, which made my preparation redundant. The point of the story is that technology is increasingly used to assist engineers, making their work not only more convenient, but also significantly safer. Well, that's wrap up today's talk. Keep your curiosity alive. If you have any questions, please leave them in the comment section. Thank you for tuning into Construction Tech Talk. Before you go, don't forget to subscribe to my podcast. Until next time, stay innovative.