en.Wedoany.com Reported - During the planned outage for maintenance of Unit 4 at the Czech Dukovany Nuclear Power Plant, a critical safety test was completed. Plant technicians inspected the sealed space surrounding the reactor and the primary circuit, and the results showed that the relevant protective barriers possess good tightness, meeting the strict standards required for continued safe operation.

This test, known as the periodic integrated leak rate test, is an important part of nuclear power plant safety inspections. During the test, staff pressurized the sealed area and continuously monitored pressure changes to identify any potential leakage points that could lead to the release of radioactive materials. Dukovany Nuclear Power Plant spokesperson Radek Doležal stated that the containment of Unit 4 has been verified and meets all safety requirements.

This inspection is part of the planned refueling and maintenance outage for Unit 4. In addition to the tightness test, work is also underway on-site, including inspections of the reactor internal components, maintenance of steam generators and pump sets, upgrades to some control and protection systems, and maintenance of the turbine unit. These activities collectively form the safety assurance program before the unit is restarted.

The Dukovany Nuclear Power Plant currently operates four VVER-440 units, with regular maintenance and safety verification forming a crucial foundation for its long-term operation management. The confirmation of the integrity of Unit 4's containment barrier represents a necessary step towards restarting the reactor and resuming power generation, and also reflects the plant's ongoing focus on equipment condition and safety margins in the context of extended operation.

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