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New safety problem at the Flamanville EPR

2021-03-17T19:37:34.539Z

EDF considers that this risk has been identified but warns that it no longer has any margin to meet the schedule.



New incident on the Flamanville EPR site.

The Nuclear Safety Authority (ASN) disclosed on Tuesday the presence of a

"design deviation"

of three connections (called

"taps"

) on the primary circuit of the reactor, located in the nuclear zone.

“This is a non-conformity, which means that the reactor cannot start up in this configuration”

, we told ASN.

The Flamanville EPR is due to enter service in 2023.

Read also:

Flamanville EPR: anatomy of an industrial failure

The primary circuit is one of the most critical elements of a power plant.

"A water leak on this circuit can lead, if it is not compensated for, a cooling fault and a heating of the reactor core

, describes the nuclear expert Yves Marignac, of the NegaWatt Institute.

This water s '' escaping from the primary circuit under very high pressure will vaporize in the enclosure and cause a rise in pressure in the reactor building, which can lead to radioactivity leaks. ”

The EPR is equipped with several redundant back-up equipment for

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Source: lefigaro

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