The containment structure of the reactor compartment in the first unit of the Rooppur Nuclear Power Plant, the only nuclear power project in Bangladesh, has successfully undergone testing, marking a major milestone ahead of its expected commissioning.
In a press release issued on Wednesday through a private news agency, Russia’s state atomic energy corporation Rosatom confirmed the successful completion of the containment integrity test.
According to the statement, during the test, internal pressure inside the containment structure was increased as per the reactor’s design specifications using a high-capacity compressor. The objective was to assess the strength and airtightness of the containment in case of an unexpected situation that could lead to internal pressure buildup. This test is considered critical before nuclear fuel loading begins, as the containment serves as the final protective barrier in the event of a potential incident.
The containment is an ultra-reinforced structure made from prestressed reinforced concrete, lined with a strong steel shell on the inner walls. Its design ensures that radioactive substances remain fully enclosed within the reactor compartment, even during emergencies. The containment is capable of withstanding severe external impacts or disasters, thereby ensuring safety both within and outside the facility.
Rosatom also announced that several “hot media tests” will soon be conducted in the first unit. These will include heating the coolant circuit to the required temperature and generating steam according to the design, as well as testing the safety parameters of steam-emitting devices under active conditions.
During these upcoming tests, certain loud and unexpected sounds may be heard, which are part of the normal procedure and pose no threat, the press release said. Local residents have been urged not to panic, as all processes are being conducted in compliance with the highest safety standards. Rosatom reiterated its commitment to safety as its top priority.
The Rooppur Nuclear Power Plant in Bangladesh utilizes two VVER-1200 reactors, which are considered to be of the 3rd generation+ design. These reactors are supplied by Russia and are a key part of the plant’s construction, which is being carried out with Russia’s financial and technical assistance. The VVER-1200 is a water-cooled, water-moderated power reactor.