Abstract
Modular construction is used as the main construction technique in AP1000 nuclear power construction project. The technique can reduce installation workload in nuclear island, reduce cross operation relative to the traditional construction method, and shorten the construction period. While in the assembly process of large structure modules, there are frequent high risky operations including lifting, scaffolding, intensive welding & cutting, and so on. Accidents can be triggered and project schedule could be delayed if the control for the construction process is not sufficient. In this paper, the CA01 module assembly is taken to study as an example. The potential risks during the construction process of CA01 module are analyzed through Job Hazard Analysis, then the technical and management measures are put forward, which include construction scheme review & approval, safety and technical briefing, personnel training, special tradesman management, management system of mechanical equipment, work permit management on high risk work, construction housekeeping.
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