1. At the construction site, all personnel present are required to wear safety helmets correctly, and special types of work at height must wear safety belts correctly. The safety net in the construction work area must be set according to the specifications.

2. For the four entrances of stairwell, elevator wellhead, reserved hole and manhole, there are many accidents of falling from a height and being struck by objects at these four entrances, so it is particularly important to protect the safety of these four entrances, especially the elevator wellhead.

3. Five boundaries: the balcony without railings, the elevation without external frame protection, the floor of the frame project, the upper and lower runways and both sides of the ramp, and the side of the unloading platform; Five precautions are important measures to protect the personal safety of construction workers.