Is the elevator shaft steel structure illegal?

It is illegal to build without the consent of the urban construction department.

Measures for safe use of elevator shaft:

The elevator shaft must be equipped with protective facilities to prevent people from falling and falling objects from hurting people, and obvious signs and warnings should be added.

Elevator shaft hole, 400 mm wide vertical landing hole above pipeline shaft hole, etc. , protective doors must be set up, and a safety flat net should be set up every two floors, and it should not exceed 10mm in the shaft.