French state-controlled utility EDF (EDF.PA) will have to inspect more weldings at the nuclear plant it is building in Flamanville, France after flaws were discovered in the weldings of the reactor’s secondary circuit, nuclear regulator ASN said. EDF said on Tuesday that problems with Flamville’s weldings were worse than first expected and may impact the cost and startup of the long-delayed project. The utility will comment on the start-up schedule at the end of May, after it has verified all 150 weldings in the secondary circuit that conducts steam from the steam generator to the plant’s turbines.
Reuters 11th APRIL 2018 read more »
Flamanville EPR reactor: welding flaws not detected during manufacture ASN carried out an inspection on 10th April 2018. On 10th April 2018, ASN carried out an inspection on the Flamanville EPR reactor construction site to examine how the welds on the main secondary systems were checked following EDF’s discovery of welding flaws, which had not been detected during the manufacturing checks. The inspection revealed that the organisation and working conditions during the manufacturing completion checks were on the whole prejudicial to the quality of the checks. Inappropriate surveillance of this work by EDF and Framatome also failed to identify and remedy the difficulties being experienced by the operators. Certain flaws are still being investigated, in order to understand why they were not detected during the manufacturing completion inspections. The inspectors consider that the procedures for the performance of the new checks on these welds by EDF are appropriate. ASN does however consider that EDF should propose that these checks be extended to other systems. ASN will issue a position statement on the corrective measures proposed by EDF, notably in the light of the results of the checks which will be sent to it next month.
ASN 11th April 2018 read more »
Faults could delay French nuclear reactor using same technology as Hinkley Point C.
New Civil Engineer 11th April 2018 read more »
Guernsey Press 11th April 2018 read more »
Commenting on today’s news that EDF has found defects in the welding in pipework of the reactor it is building at Flamanville in Normandy which is the same type as the one proposed for Hinkley Point C, Stop Hinkley spokesperson Roy Pumfrey said “The European Pressurised Water Reactor (EPR) reactor proposed for Hinkley Point C is like watching a car crash in slow motion. It is the unloved, unwanted, and unbuildable child of former EDF boss Vincent de Rivas. We can still stop this before it gets even worse. Although abandoning this ill-fated project now would incur cancellation costs consumers could still save almost £1.5bn per year for 35 years from 2027 onwards. 25 years after French engineers began working on the EPR, EDF has yet to get one up and running. Flamanville is seven years late, one in Finland is ten years late and even two in China will be at least five years late.”
Stop Hinkley Press Release 11th April 2018 read more »