This work aims to highlight the problem of accidents in the construction industry. On the basis of collected and processed information the accidents classification in the building is presented. depending on the building erection stage. The article gives a detailed description and analysis of such cases in the construction. https://www.roneverhart.com/ASUS-VivoBook-X515-15-6-FHD-Laptop-Intel-Core-i5-1135G7-2-4-GHz-Intel-Iris-Xe-Graphics-16GB-DDR4-RAM-1TB-SSD-Windows-/