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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 | 1.0 | 0 | 1.0 | 0 |
Critical hours | 2208.0 | 2209.0 | 1264.9 | 2184.0 | 2171.9 | 2209.0 | 2132.0 | 2060.5 |
Indicator value | 0.8 | 0.8 | 0.9 | 0 | 0.9 | 0.9 | 1.6 | 1.6 |
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 | 0 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 |
Critical hours | 2208.0 | 2209.0 | 1264.9 | 2184.0 | 2171.9 | 2209.0 | 2132.0 | 2060.5 |
Indicator value | 0 | 0 | 0 | 0 | 0 | 0.9 | 0.8 | 0.8 |
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 | 1.0 | 0 | |
Indicator value | 0.0 | 0.0 | 1.0 | 1.0 |
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 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 |
Indicator value | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 |
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) | 5.00E-08 | 1.20E-08 | 8.30E-09 | 2.90E-08 | 3.50E-09 | -1.20E-08 | -1.30E-08 | 5.10E-09 |
URI (ΔCDF) | -7.70E-08 | 1.70E-08 | 2.20E-08 | 7.30E-08 | -2.20E-08 | -1.20E-07 | -2.40E-07 | -2.80E-07 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -2.70E-08 | 2.90E-08 | 3.03E-08 | 1.02E-07 | -1.85E-08 | -1.32E-07 | -2.53E-07 | -2.75E-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) | 5.40E-09 | 8.10E-09 | -1.60E-08 | 6.00E-09 | 5.50E-09 | 5.40E-09 | 2.20E-07 | 3.70E-08 |
URI (ΔCDF) | -1.50E-07 | -1.60E-07 | 4.50E-07 | 1.50E-06 | 1.50E-06 | 1.50E-06 | 2.10E-06 | 2.10E-06 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -1.45E-07 | -1.52E-07 | 4.34E-07 | 1.51E-06 | 1.51E-06 | 1.51E-06 | 2.32E-06 | 2.14E-06 |
Licensee Comments:
2Q/08: Risk Cap Invoked. 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) | 1.50E-07 | -6.90E-08 | -5.80E-08 | -5.70E-08 | -5.80E-08 | -5.80E-08 | -7.10E-08 | -7.10E-08 |
URI (ΔCDF) | -1.60E-07 | -1.50E-07 | -1.50E-07 | -1.50E-07 | -1.50E-07 | -1.50E-07 | -1.80E-07 | -1.80E-07 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -1.00E-08 | -2.19E-07 | -2.08E-07 | -2.07E-07 | -2.08E-07 | -2.08E-07 | -2.51E-07 | -2.51E-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 | -8.50E-09 | -7.60E-09 | -6.10E-09 | -6.20E-09 | -7.10E-09 | -7.20E-09 | -7.20E-09 |
URI (ΔCDF) | -6.30E-08 | 2.20E-08 | 1.80E-08 | 1.00E-07 | 1.10E-07 | 1.20E-07 | 1.20E-07 | 1.20E-07 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -7.30E-08 | 1.35E-08 | 1.04E-08 | 9.39E-08 | 1.04E-07 | 1.13E-07 | 1.13E-07 | 1.13E-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, Cooling Water Systems | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
UAI (ΔCDF) | 2.60E-08 | 1.90E-07 | 3.20E-08 | 3.60E-08 | 3.60E-08 | 4.00E-08 | 6.20E-08 | 4.40E-08 |
URI (ΔCDF) | -9.80E-08 | -1.00E-07 | -9.80E-08 | -9.90E-08 | -9.90E-08 | -1.00E-07 | -1.10E-07 | -8.70E-08 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -7.20E-08 | 9.00E-08 | -6.60E-08 | -6.30E-08 | -6.30E-08 | -6.00E-08 | -4.80E-08 | -4.30E-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 | 0.000010 | 0.000012 | 0.000009 | 0.000011 | 0.000009 | 0.000008 | 0.000010 | 0.000006 | 0.000010 | 0.000010 | 0.000006 | 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 | 0.000007 | 0.000006 | 0.000006 | 0.000012 | 0.000005 | 0.000006 | 0.000005 | 0.000007 | 0.000006 | 0.000006 | 0.000004 | 0.000005 |
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 | 1.900 | 1.850 | 1.860 | 1.840 | 1.820 | 1.840 | 1.810 | 1.790 | 1.680 | 1.780 | 1.770 | 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 | 6.3 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 5.6 | 5.9 | 5.9 | 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 | 1.730 | 1.750 | 1.730 | 1.730 | 1.720 | 1.720 | 1.720 | 1.740 | 1.750 | 1.710 | 1.730 | 1.720 |
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 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.7 | 5.8 | 5.7 |
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