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16.2 - Severe Accident Analysis (RRC-B) - EDF Hinkley Point

16.2 - Severe Accident Analysis (RRC-B) - EDF Hinkley Point

16.2 - Severe Accident Analysis (RRC-B) - EDF Hinkley Point

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SUB-CHAPTER : <strong>16.2</strong>PRE-CONSTRUCTION SAFETY REPORTCHAPTER 16: RISK REDUCTION AND SEVEREACCIDENT ANALYSESPAGE : 210 / 295Document ID.No.UKEPR-0002-162 Issue 04SUB-SECTION <strong>16.2</strong>.2.5 - TABLE 5LB(LOCA) sequence of events for in-vessel phase(Data inferred from the information given in section 2.1)KEY EVENTSTIMEBreak in the hot leg 0 h 00 min 0 sReactor scram 0 h 00 min < 60 sReactor coolant pump coast-down 0 h 00 min < 60 sStart of partial cooldown 0 h 00 min < 60 sStart of core uncovery 0 h 01 min 60 sAccumulator water injection 0 h 02 min 120 sAccumulator water depletion 0 h 03 min 180 sSA dedicated valve opening 0 h 25 min 1500 sStart of core oxidation 0 h 26 min 1560 sStart of core melting 0 h 29 min 1740 sStart of core relocation 2 h 03 min 7380 sInitial vessel failure 2 h 58 min 10680 s

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