2. 1 The construction unit shall provide the following information to the institution undertaking the evaluation task (hereinafter referred to as the evaluation institution) when pre-evaluating the occupational hazards:

A. Construction project approval documents (administration, safety supervision and environmental protection);

B. Feasibility study materials (including articles on occupational health);

C. other relevant information.

2.4. 1 engineering analysis

Engineering analysis mainly includes the following contents:

A. Basic information of the construction project, including construction site, nature, scale, total investment, design capacity, labor capacity, etc. ;

B. General layout, production technology and technical route, etc. ;

C. Raw materials, auxiliary materials, intermediate products, product name, dosage or output, main production technology, main production equipment, types, locations and existing forms that may cause occupational hazards, mechanization or automation degree of production equipment, and sealing degree;

D. Occupational disease protection equipment and emergency rescue facilities to be adopted;

E. Configuration of occupational disease protection articles for personal use;

F. Health facilities to be established;

G. Management measures for occupational disease prevention and control to be taken.

An official letter applying for pre-evaluation and review or filing of occupational hazards in construction projects can describe the basic situation (process and conclusion) of the above pre-evaluation according to the requirements of the Safety Supervision Bureau.