1. Call local construction, safety supervision and other relevant departments for telephone consultation, such as Urban Construction Committee, Market Supervision Bureau, Fire and Rescue Bureau, etc., and ask about the basic situation of the site, such as the name and address of the project.
2. Go to the local human resources and social security bureau to inquire whether there is an employer in this place and whether it has gone through legal procedures such as registration.
3, query the local labor inspection departments and trade unions, whether the site has been inspected and investigated, whether there are problems, whether the rectification.