Summary Report for Conduct of Kozloduy NPP Stress Tests

“Kozloduy NPP” PLC
SUMMARY REPORT
for Conduct of Kozloduy NPP
Stress Tests
List Of Tables
Table 1.3-1: Main data of Units 5 and 6............................................................................... 26
Table 1.3-2: Historical data for Units 5 and 6. ..................................................................... 26
Table 1.7-2: Level 1 PSA results. ........................................................................................ 61
Table 3.4-1: Condition of different buildings and facilities at flooding with MWL presented in
the sequence of flooding.................................................................................................... 122
Table 4.1-1: Frequency of occurrence of extreme meteorological conditions. .................... 127
Table 4.2-1: Wind load...................................................................................................... 128
Table 4.2-2: Snow load...................................................................................................... 128
Table 5.1-1: Assessment of time period to fuel damage at loss of normal and standby power
supply and failure to emergency DGs. ............................................................................... 141
Table 5.1-2: Assessment of time period to fuel damage at loss of normal and standby power
supply, failure to all emergency DGs, failure to additional DG. ......................................... 144
Table 5.1-3: Assessment of time period to fuel damage at loss of normal and standby power
supply, failure to all emergency DGs, failure to additional DG, failure to mobile DG. ....... 145
Table 5.1-4: Assessment of time period to fuel damage at initiating events with loss of
ultimate heat sink. ...................................................................................................................
150
Table 5.1-5: Assessment of time period to fuel damage at initiating events with loss of power
supply and ultimate heat sink............................................................................................. 153
Table 5.2-1: Time to occurrence of the main events in SFP in case of complete loss of
alternate current power supply........................................................................................... 154
Table 6.1-1: General time schedule for emergency measures implementation.................... 166
Table 6.1-2: Types of training, exercises and participants .................................................. 171
Table 6.1-3: Emergency conditions and relevant measures. ............................................... 177
Table 6.2-1: Time margin between shutdown of the reactor and core melting. ................... 189
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