nuclear-news

Flamanville EPR: defects affect secondary circuit welds in nuclear reactor

Actus Environnement 23rd Feb 2018, [Machine Translation] The welds of the Flamanville EPR would not meet all the technical requirements. ASN will give its opinion in the second half of 2018. It also
mentions dysfunctions in the organization of the site.

On February 22nd, EDF announced that it had detected defects in the secondary circuit welds
of the EPR reactor under construction in Flamanville (Manche). In question:
the quality of realization of the welds of the circuit which evacuates
steam of the steam generators towards the turbine.

Thirty-eight of the 66 welds in the circuit are affected. Questioned on the subject in the
National Assembly, Pierre-Franck Chevet, president of the Nuclear Safety
Authority (ASN), described the subject as “serious” .

This Friday, the ASN publishes a note in which it indicates to have questioned February 7 EDF
and Framatome about the site of the EPR. The gendarme of the nuclear
indicates that it “informed EDF and Framatome that it will collect the
opinion of the permanent group of experts for GP ESPN nuclear pressure
equipment [about the anomalies of welding]” . But, assures EDF, “[the]
pipes are in compliance with the regulation of nuclear pressure equipment”
The company ”
https://www.actu-environnement.com/ae/news/defauts-soudures-circuit-secondaire-epr-flamanville-30722.php4#xtor=ES-6

February 27, 2018 - Posted by Christina Macpherson | France, safety