The Tianwan NPP Power Unit 4 has witnessed completion of one of the major technological stages of the power unit construction, i.e. completion of the reactor coolant pipe installation works that make up the main scope of the installation works.
JSC ASE EC has completed the RCP welding ahead of the approved Schedule of the Tianwan NPP Unit 4 construction. The completion of RCP welding stage will facilitate the beginning of works to prepare safety critical systems for water circulation with the open reactor.
A.O. Lebedev, Vice-President for Projects in the South Asia, pointed out that “this stage is one of the key milestones and signifies completion of the civil erection works and beginning of the commissioning stage at the Tianwan NPS power unit 4.
The Tianwan NPP Stage 1 (WWER-1000-based Units 1 & 2) was put in operation in Lianyungang (China) in 2007. The Tianwan NPP Stage 2 (WWER-1000-based Units 3 & 4) is under construction, the start-up is scheduled for 2018. The General Contractor of the Project is ASE Group of companies.