Sau khi hoàn thành lắp đặt lối lên mái tạm thời, tiến hành công tác lắp dựng hàng rào bảo vệ xung quanh mái. Việc lắp dựng hàng rào cần phải được thực hiện trình tự theo các bước sau:
After completing the installation of the temporary roof entrance, proceed with the installation of a protective fence around the roof. Fence installation needs to be done in the following order:
After the installation of the temporary roof entrance is completed, install protective fences around the roof. The installation of the fence should be carried out in the following sequence of steps:
After the temporary roof passage is installed, protective barriers are set around the roof. The installation of the fence shall be carried out according to the following steps: