1. Basic information query: find the basic information of the construction site, such as project name, address, responsible unit, etc. You can inquire through the government department official website or the hotline.
2. On-site inspection: If there is a target site nearby, you can visit the fence in person. Pay attention to safety and don't enter private construction sites or illegal areas.
3. Consultation of residents or constructors: communicate with surrounding residents or engineers, ask for enclosure information of the site and learn more details.