1 month, 3 months. The Project Department of the Company shall organize training for personnel above the project supervisor every three months, and the training time shall not be less than 24 hours. For special types of work, the company's safety officer and construction supervisor jointly organize a study and training once a month, and the training time is not less than 8 hours. The contents of hse training include hse system documents, the use and performance of protective articles and first aid articles, and the prevention of industrial accidents and occupational diseases.