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Licensee's General Comments: none
Unplanned Scrams per 7000 Critical Hrs | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
Unplanned scrams | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Critical hours | 2208.0 | 2209.0 | 2045.1 | 2184.0 | 2208.0 | 2209.0 | 1178.6 | 2184.0 |
Indicator value | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Licensee Comments: none
Unplanned Power Changes per 7000 Critical Hrs | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
Unplanned power changes | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 |
Critical hours | 2208.0 | 2209.0 | 2045.1 | 2184.0 | 2208.0 | 2209.0 | 1178.6 | 2184.0 |
Indicator value | 2.9 | 2.7 | 2.4 | 1.6 | 0 | 0 | 0 | 0.9 |
Licensee Comments: none
Unplanned Scrams with Complications | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
Scrams with complications | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Indicator value | 0.0 | 0.0 | 0.0 | 0.0 |
Licensee Comments: none
Safety System Functional Failures (BWR) | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
Safety System Functional Failures | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
Indicator value | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 0 |
Licensee Comments: none
Mitigating Systems Performance Index, Emergency AC Power System | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
UAI (ΔCDF) | 5.40E-08 | 1.90E-08 | 1.10E-08 | 1.40E-08 | 9.70E-09 | -2.00E-08 | -1.80E-08 | 8.80E-09 |
URI (ΔCDF) | 8.00E-07 | 7.90E-07 | 8.10E-07 | 8.30E-07 | 8.30E-07 | -2.50E-07 | -2.70E-07 | -3.40E-07 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | 8.54E-07 | 8.09E-07 | 8.21E-07 | 8.44E-07 | 8.40E-07 | -2.70E-07 | -2.88E-07 | -3.31E-07 |
Licensee Comments:
2Q/08: Changed PRA Parameter(s). UABLP values updated based on MSPI Basis Document revision approved 03/31/08.
Mitigating Systems Performance Index, High Pressure Injection System | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
UAI (ΔCDF) | -1.10E-07 | -1.10E-07 | 6.20E-08 | 6.50E-08 | 7.00E-08 | 7.20E-08 | 9.00E-08 | 7.30E-08 |
URI (ΔCDF) | -1.40E-07 | -1.60E-07 | 1.60E-07 | 1.50E-07 | 1.40E-07 | 1.40E-07 | 1.20E-07 | 1.20E-07 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -2.50E-07 | -2.70E-07 | 2.22E-07 | 2.15E-07 | 2.10E-07 | 2.12E-07 | 2.10E-07 | 1.93E-07 |
Licensee Comments:
2Q/08: Changed PRA Parameter(s). UABLP values updated based on MSPI Basis Document revision approved 03/31/08.
Mitigating Systems Performance Index, Heat Removal System | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
UAI (ΔCDF) | 7.60E-08 | -5.30E-08 | -5.70E-08 | -5.70E-08 | -5.70E-08 | -5.70E-08 | -5.60E-08 | -5.60E-08 |
URI (ΔCDF) | 4.00E-07 | 4.00E-07 | -1.30E-07 | -1.30E-07 | -1.30E-07 | -1.30E-07 | -1.30E-07 | -1.40E-07 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | 4.76E-07 | 3.47E-07 | -1.87E-07 | -1.87E-07 | -1.87E-07 | -1.87E-07 | -1.86E-07 | -1.96E-07 |
Licensee Comments:
2Q/08: Changed PRA Parameter(s). UABLP values updated based on MSPI Basis Document revision approved 03/31/08.
Mitigating Systems Performance Index, Residual Heat Removal System | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
UAI (ΔCDF) | -1.00E-08 | -1.00E-08 | -8.30E-09 | -7.70E-09 | -7.70E-09 | -1.40E-10 | 2.20E-09 | -6.20E-09 |
URI (ΔCDF) | -5.50E-08 | -5.60E-08 | 3.70E-08 | 3.50E-08 | 3.00E-08 | 2.80E-08 | 6.80E-08 | 6.80E-08 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -6.50E-08 | -6.60E-08 | 2.87E-08 | 2.73E-08 | 2.23E-08 | 2.79E-08 | 7.02E-08 | 6.18E-08 |
Licensee Comments:
2Q/08: Changed PRA Parameter(s). UABLP values updated based on MSPI Basis Document revision approved 03/31/08.
Mitigating Systems Performance Index, Cooling Water Systems | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
UAI (ΔCDF) | 4.80E-08 | 4.70E-08 | 4.20E-08 | 4.50E-08 | -1.30E-09 | 9.10E-08 | 1.40E-07 | 3.80E-08 |
URI (ΔCDF) | 2.90E-09 | 2.60E-09 | 7.30E-09 | -5.20E-08 | -5.20E-08 | -5.60E-08 | -5.70E-08 | -6.20E-08 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | 5.09E-08 | 4.96E-08 | 4.93E-08 | -7.00E-09 | -5.33E-08 | 3.50E-08 | 8.30E-08 | -2.40E-08 |
Licensee Comments:
2Q/08: Changed PRA Parameter(s). UABLP values updated based on MSPI Basis Document revision approved 03/31/08.
Reactor Coolant System Activity | 7/06 | 8/06 | 9/06 | 10/06 | 11/06 | 12/06 | 1/07 | 2/07 | 3/07 | 4/07 | 5/07 | 6/07 |
Maximum activity | 0.000006 | 0.000005 | 0.000007 | 0.000008 | 0.000008 | 0.000007 | 0.000006 | 0.000006 | 0.000006 | 0.000006 | 0.000005 | 0.000006 |
Technical specification limit | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
Indicator value | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Reactor Coolant System Activity | 7/07 | 8/07 | 9/07 | 10/07 | 11/07 | 12/07 | 1/08 | 2/08 | 3/08 | 4/08 | 5/08 | 6/08 |
Maximum activity | 0.000006 | 0.000005 | 0.000004 | 0.000004 | 0.000005 | 0.000005 | 0.000006 | 0.000003 | 0.000004 | 0.000004 | 0.000005 | 0.000007 |
Technical specification limit | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
Indicator value | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Licensee Comments: none
Reactor Coolant System Leakage | 7/06 | 8/06 | 9/06 | 10/06 | 11/06 | 12/06 | 1/07 | 2/07 | 3/07 | 4/07 | 5/07 | 6/07 |
Maximum leakage | 1.680 | 1.680 | 1.700 | 1.700 | 1.690 | 1.680 | 1.690 | 1.700 | 1.710 | 1.740 | 1.710 | 1.710 |
Technical specification limit | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 |
Indicator value | 5.6 | 5.6 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.8 | 5.7 | 5.7 |
Reactor Coolant System Leakage | 7/07 | 8/07 | 9/07 | 10/07 | 11/07 | 12/07 | 1/08 | 2/08 | 3/08 | 4/08 | 5/08 | 6/08 |
Maximum leakage | 1.690 | 1.690 | 1.700 | 1.680 | 1.650 | 1.620 | 1.630 | 1.550 | 2.260 | 1.680 | 1.670 | 1.660 |
Technical specification limit | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 |
Indicator value | 5.6 | 5.6 | 5.7 | 5.6 | 5.5 | 5.4 | 5.4 | 5.2 | 7.5 | 5.6 | 5.6 | 5.5 |
Licensee Comments: none
Drill/Exercise Performance | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
Successful opportunities | 34.0 | 24.0 | 2.0 | 11.0 | 72.0 | 7.0 | 6.0 | 30.0 |
Total opportunities | 41.0 | 24.0 | 2.0 | 12.0 | 73.0 | 7.0 | 6.0 | 32.0 |
Indicator value | 92.3% | 93.2% | 93.8% | 93.1% | 94.3% | 94.5% | 94.5% | 94.4% |
Licensee Comments: none
ERO Drill Participation | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
Participating Key personnel | 133.0 | 134.0 | 132.0 | 130.0 | 138.0 | 136.0 | 137.0 | 134.0 |
Total Key personnel | 135.0 | 137.0 | 134.0 | 135.0 | 140.0 | 137.0 | 137.0 | 134.0 |
Indicator value | 98.5% | 97.8% | 98.5% | 96.3% | 98.6% | 99.3% | 100.0% | 100.0% |
Licensee Comments: none
Alert & Notification System | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
Successful siren-tests | ||||||||
Total sirens-tests | ||||||||
Indicator value |
Licensee Comments:
2Q/08: Plant Hatch does not use sirens as an emergency notification system.
Occupational Exposure Control Effectiveness | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
High radiation area occurrences | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Very high radiation area occurrences | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Unintended exposure occurrences | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Indicator value | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Licensee Comments: none
RETS/ODCM Radiological Effluent | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
RETS/ODCM occurrences | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Indicator value | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Licensee Comments: none
Action Matrix Summary | Inspection Findings Summary | PI Summary | Reactor Oversight Process
Last Modified: August 4, 2008