[ Objective] To identify, analyze and evaluate the potential occupational hazards in the project and predict the risk degree, to propose effective occupational protective measures, and provide scientific evidence for safety supervision departments for approval of construction projects. [ Methods ] According to the feasibility study report and other relevant documents, the methods of analogy, checklist and experience were applied to evaluate the project. [ Results] The possible occupational hazards in the project were manganese dioxide, welding fumes, other dust, nitrogen oxides, ozone, noise, ...