report

Belgian stress tests action plan ‐ 2012‐12‐14No. Plant / Type Topic Sub‐family Sub‐sub family Action / ActivityRelatedrecommendation onEuropean level("Topics 1 to 3")Relatedrecommendation onnational level("Additional topics")StatusTarget Date614 CNT1 / PWR External hazards Earthquake616CNT / PWRKCD / PWRImpact earthquake on a fuel tank ofTihange 1.Verify (via a visit) and analyze the consequences of the impact of afailure of the fuel tank CVAB01C at Tihange 1 (containing 500 m3 offuel and not seismically qualified) (e.g., fires, flood) induced by anearthquake7 7 In progress 31/12/2012External hazards Earthquake Regulatory watch Follow the regulatory requirements on accelerometers 10 2 In progress 31/12/2013Walkdowns must be carried out with SG&H for inspection of the618 CNT23 / PWR External hazards Earthquake Reinforcement of equipments anchorages structures, systems and components in the reactor buildings of the 2most recent units during the next outages in 201211 In progress 31/12/2013619 KCD / PWR Power supply Station black‐out620CNT / PWRKCD / PWRSevere AccidentsmanagementRadiological releaseSpent fuel pools : additional levelmeasurementspH reactor controlDemonstrate good working of level gauges in case of boiling in thespent fuel poolsCheck that it is effectively possible to take representativemeasurement of pH in severe accident conditionsIn progress 31/12/201345, 52 In progress 31/12/2013Doel 12 (outside RGB and TUR): 1CV172: possible interaction between622 KCD12 / PWR External hazards Earthquake Reinforcement of equipments anchorages manual wheel and wall RGB. This adaptation has already been made: asmaller manual wheel has been fitted.CLOSEDDONEDoel4 (outside RGB and TUR): VAS‐EX0003, VAS‐EX0013 and VAS‐623 KCD4 / PWR External hazards Earthquake Reinforcement of equipments anchoragesEX0023: add lateral support(s) for anchoring ventilation conduits.RGB Doel1: the pneumatically controlled valves 1CV75, 1CV76, 1CV160624 KCD1 / PWR External hazards Earthquake Reinforcement of equipments anchoragesand 1RC20 must be better supported.Perform Inspections in the reactor buildings and TURs of Doel2, Doel3625 KCD / PWR External hazards Earthquake Reinforcement of equipments anchoragesand Doel411 In progress 15/12/201211 In progress 15/12/201311 In progress 31/10/2012626 KCD / PWR External hazards Earthquake Reinforcement of equipments anchorages Perform Inspections for a number of external water tanks (MW,…) thatcould be used as an alternative source of water (e.g. for WW).In progress 31/07/2012631 KCD12 / PWRSevere AccidentsmanagementReview SAMG proceduresReview Severe Accidents MitigationGuidelines proceduresConsideration and implementation of the Fukushima accidentexperience feedback and of any revisions of WOG SAMG33, 34, 36, 37, 38, 39 In progress 31/12/2014632 KCD34 / PWRSevere AccidentsmanagementReview SAMG proceduresReview Severe Accidents MitigationGuidelines proceduresConsideration and implementation of the Fukushima accidentexperience feedback and of any revisions of WOG SAMG33, 34, 36, 37, 38, 39 In progress 31/12/2014633 KCD / PWR634 CNT / PWREmergencymanagementEmergencymanagementMulti‐unit event andassociated organizationMulti‐unit event andassociated organizationPost‐accident fixing of contamination andthe treatment of potentially largevolumes of contaminated waterPost‐accident fixing of contamination andthe treatment of potentially largevolumes of contaminated waterLong term logistics and contingencies 42 In progress 31/12/2013Long term logistics and contingencies 42 In progress 31/12/2013Implementation of activities20/20