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 Date593 KCD34 / PWROperationmanagementTotal Station Black‐outProcedures in case of total station blackoutImplement the organization of the response to this type of nonconventionalaccident ‐ complete SBO (management of equipment,documents, etc.)25 In progress 31/12/2013594 KCD12 / PWR Power supply Batteries autonomy Increasing battery autonomyA tool for decision‐support and calculation of load shedding of thebatteries, the lost SAMG functions and the alternatives forcompensating the lost functions will be implemented16 53 In progress 31/12/2013595 KCD34 / PWR Power supply Batteries autonomy Increasing battery autonomyA tool for decision‐support and calculation of load shedding of thebatteries, the lost SAMG functions and the alternatives forcompensating the lost functions will be implemented16 53 In progress 31/12/2013596 KCD12 / PWR Power supply Spent fuel pools Procedures to manage spent fuel pools597 KCD34 / PWR Power supply Spent fuel pools Procedures to manage spent fuel pools598 CNT1 / PWR Power supply Total Station Black‐out599 CNT2 / PWR Power supply Total Station Black‐out600 CNT3 / PWR Power supply Total Station Black‐outImplementation of a 380 V emergencyelectrical gridImplementation of a 380 V emergencyelectrical gridImplementation of a 380 V emergencyelectrical gridProcedures will be created for the management of the pools in case ofloss of ultimate heat sink23 In progress 31/12/2013Procedures will be created for the management of the pools in case ofloss of ultimate heat sink23 In progress 31/12/2013Establishment of procedures for connection and start‐up of alternativeelectric power supplies 15 In progress 31/12/2013Establishment of procedures for connection and start‐up of alternativeelectric power supplies 15 In progress 31/12/2013Establishment of procedures for connection and start‐up of alternativeelectric power supplies 15 In progress 31/12/2013601 KCD12 / PWR Power supply Total Station Black‐out Reliability of depressurization means602 KCD3 / PWR Power supply Total Station Black‐out Reliability of depressurization means603 KCD4 / PWR Power supply Total Station Black‐out Reliability of depressurization means604 KCD12 / PWR Power supply Total Station Black‐out Reliability of depressurization means605 KCD3 / PWR Power supply Total Station Black‐out Reliability of depressurization means606 KCD4 / PWR Power supply Total Station Black‐out Reliability of depressurization means607 KCD34 / PWRSevere AccidentsmanagementH2 riskH2 risk management in nuclear auxiliarybuildingDetail design study of an alternative electric power supply to furtherincrease the reliability of the pressurizer discharge valves (SEBIM)Detail design study of an alternative electric power supply to furtherincrease the reliability of the pressurizer discharge valves (PORV)Detail design study of an alternative electric power supply to furtherincrease the reliability of the pressurizer discharge valves (PORV)Install devices to allow isolation of accumulators duringdepressurization of the CRP reactor coolant circuitInstall devices to allow isolation of accumulators duringdepressurization of the CRP reactor coolant circuitInstall devices to allow isolation of accumulators duringdepressurization of the CRP reactor coolant circuitEvaluation of residual risk on H2 production and accumulation aroundthe spent fuel poolsIn progress 31/12/2013In progress 31/12/2013In progress 31/12/2013In progress 31/12/2013In progress 31/12/2013In progress 31/12/201341 9 In progress 31/12/2012608 KCD34 / PWRSevere AccidentsmanagementRadiological releasepH reactor controlStudy of the necessity and feasibility (advantages/disadvantages) ofthe installation of tetraborate racks45 In progress 31/12/2013609 CNT1 / PWR Power supply Total Station Black‐out610 CNT2 / PWR Power supply Total Station Black‐out611 CNT3 / PWR Power supply Total Station Black‐outImplementation of a 380 V emergencyelectrical gridImplementation of a 380 V emergencyelectrical gridImplementation of a 380 V emergencyelectrical gridInstallation of an alternative power supply (380 V) for the rectifiers 15 In progress 31/12/2013Installation of an alternative power supply (380 V) for the rectifiers 15 In progress 31/12/2013Installation of an alternative power supply (380 V) for the rectifiers 15 In progress 31/12/2013Implementation of activities19/20