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Licensee's General Comments: none
Unplanned Scrams per 7000 Critical Hrs | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
Unplanned scrams | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Critical hours | 1832.0 | 1471.7 | 1922.1 | 2208.0 | 2209.0 | 2183.0 | 2184.0 | 2208.0 |
Indicator value | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Licensee Comments: none
Unplanned Power Changes per 7000 Critical Hrs | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
Unplanned power changes | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 |
Critical hours | 1832.0 | 1471.7 | 1922.1 | 2208.0 | 2209.0 | 2183.0 | 2184.0 | 2208.0 |
Indicator value | 0 | 0 | 0.9 | 0.9 | 0.9 | 0.8 | 0 | 0 |
Licensee Comments: none
Unplanned Scrams with Complications | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
Scrams with complications | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Indicator value | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Licensee Comments: none
Safety System Functional Failures (BWR) | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
Safety System Functional Failures | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
Indicator value | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
Licensee Comments: none
Mitigating Systems Performance Index, Emergency AC Power System | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
UAI (ΔCDF) | -2.30E-08 | -2.70E-08 | -2.80E-08 | -2.80E-08 | -3.00E-08 | -3.70E-08 | -3.50E-08 | -2.90E-08 |
URI (ΔCDF) | -6.80E-07 | -6.40E-07 | -7.90E-07 | -9.40E-07 | -9.30E-07 | -1.30E-06 | -5.40E-06 | -5.40E-06 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -7.03E-07 | -6.67E-07 | -8.18E-07 | -9.68E-07 | -9.60E-07 | -1.34E-06 | -5.44E-06 | -5.43E-06 |
Licensee Comments:
1Q/08: PRA parameters have been changed based on Revision 4 of the MSPI Basis Document. There is no safety significance associated with these changes. There are no changes to the color of the current PI nor the previously reported color of this PI.
1Q/07: Unit 2 first quarter 2007 Emergency AC Power System data is based on a minor revision to the Mitigating Systems Performance Index (MSPI) Basis Document following an NRC inspection in late October 2006. There is no safety significance associated with this change and there is no effect on the color of the current Performance Indicator nor the previously reported color of this PI.
Mitigating Systems Performance Index, High Pressure Injection System | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
UAI (ΔCDF) | -4.70E-09 | -4.70E-09 | -4.70E-09 | -4.70E-09 | -4.70E-09 | -5.10E-09 | -5.10E-09 | -5.10E-09 |
URI (ΔCDF) | -1.40E-08 | -1.40E-08 | -1.40E-08 | -1.40E-08 | -1.40E-08 | -8.50E-09 | -8.50E-09 | -8.50E-09 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -1.87E-08 | -1.87E-08 | -1.87E-08 | -1.87E-08 | -1.87E-08 | -1.36E-08 | -1.36E-08 | -1.36E-08 |
Licensee Comments: none
Mitigating Systems Performance Index, Heat Removal System | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
UAI (ΔCDF) | -4.80E-09 | -4.70E-09 | -4.70E-09 | -4.70E-09 | -4.70E-09 | -7.40E-09 | -7.40E-09 | -7.40E-09 |
URI (ΔCDF) | -1.90E-08 | -1.90E-08 | -1.90E-08 | -1.80E-08 | -1.80E-08 | -1.50E-08 | -1.50E-08 | -1.50E-08 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -2.38E-08 | -2.37E-08 | -2.37E-08 | -2.27E-08 | -2.27E-08 | -2.24E-08 | -2.24E-08 | -2.24E-08 |
Licensee Comments: none
Mitigating Systems Performance Index, Residual Heat Removal System | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
UAI (ΔCDF) | 4.50E-10 | 4.80E-10 | 3.00E-10 | 2.00E-10 | 1.40E-10 | -8.20E-10 | -9.00E-10 | -7.40E-10 |
URI (ΔCDF) | -8.70E-09 | -8.90E-09 | -9.00E-09 | -9.10E-09 | -9.00E-09 | -1.50E-08 | -1.50E-08 | -1.50E-08 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -8.25E-09 | -8.42E-09 | -8.70E-09 | -8.90E-09 | -8.86E-09 | -1.58E-08 | -1.59E-08 | -1.57E-08 |
Licensee Comments: none
Mitigating Systems Performance Index, Cooling Water Systems | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
UAI (ΔCDF) | 6.50E-10 | 6.70E-10 | 8.30E-10 | 8.60E-10 | 8.60E-10 | 9.50E-08 | 6.00E-08 | 8.00E-08 |
URI (ΔCDF) | 3.30E-10 | -2.10E-09 | -2.10E-09 | -2.20E-09 | -2.30E-09 | -5.80E-09 | -6.00E-09 | -1.40E-08 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | 9.80E-10 | -1.43E-09 | -1.27E-09 | -1.34E-09 | -1.44E-09 | 8.92E-08 | 5.40E-08 | 6.60E-08 |
Licensee Comments: none
Reactor Coolant System Activity | 10/06 | 11/06 | 12/06 | 1/07 | 2/07 | 3/07 | 4/07 | 5/07 | 6/07 | 7/07 | 8/07 | 9/07 |
Maximum activity | 0.000006 | 0.000005 | 0.000005 | 0.000005 | 0.000005 | 0.000004 | 0.000001 | 0.000002 | 0.000002 | 0.000002 | 0.000002 | 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 | 10/07 | 11/07 | 12/07 | 1/08 | 2/08 | 3/08 | 4/08 | 5/08 | 6/08 | 7/08 | 8/08 | 9/08 |
Maximum activity | 0.000006 | 0.000007 | 0.000007 | 0.000007 | 0.000007 | 0.000007 | 0.000008 | 0.000008 | 0.000007 | 0.000007 | 0.000007 | 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 | 10/06 | 11/06 | 12/06 | 1/07 | 2/07 | 3/07 | 4/07 | 5/07 | 6/07 | 7/07 | 8/07 | 9/07 |
Maximum leakage | 1.570 | 1.570 | 1.570 | 1.580 | 1.560 | 0 | 1.580 | 1.590 | 1.580 | 1.580 | 1.580 | 1.570 |
Technical specification limit | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 |
Indicator value | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 0 | 6.3 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 |
Reactor Coolant System Leakage | 10/07 | 11/07 | 12/07 | 1/08 | 2/08 | 3/08 | 4/08 | 5/08 | 6/08 | 7/08 | 8/08 | 9/08 |
Maximum leakage | 1.560 | 1.550 | 1.550 | 1.560 | 1.550 | 1.580 | 1.550 | 1.550 | 1.540 | 1.550 | 1.560 | 1.560 |
Technical specification limit | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 |
Indicator value | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 |
Licensee Comments: none
Drill/Exercise Performance | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
Successful opportunities | 8.0 | 8.0 | 35.0 | 16.0 | 13.0 | 17.0 | 18.0 | 25.0 |
Total opportunities | 8.0 | 8.0 | 36.0 | 16.0 | 13.0 | 18.0 | 18.0 | 25.0 |
Indicator value | 96.1% | 96.0% | 96.2% | 95.8% | 96.7% | 96.1% | 97.1% | 98.6% |
Licensee Comments: none
ERO Drill Participation | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
Participating Key personnel | 86.0 | 80.0 | 76.0 | 73.0 | 71.0 | 72.0 | 74.0 | 72.0 |
Total Key personnel | 87.0 | 80.0 | 77.0 | 75.0 | 75.0 | 72.0 | 74.0 | 72.0 |
Indicator value | 98.9% | 100.0% | 98.7% | 97.3% | 94.7% | 100.0% | 100.0% | 100.0% |
Licensee Comments: none
Alert & Notification System | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
Successful siren-tests | 882 | 879 | 765 | 970 | 736 | 883 | 777 | 994 |
Total sirens-tests | 896 | 896 | 784 | 1008 | 748 | 896 | 784 | 1008 |
Indicator value | 98.3% | 98.2% | 98.1% | 97.5% | 97.5% | 97.6% | 98.0% | 98.7% |
Licensee Comments: none
Occupational Exposure Control Effectiveness | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/08 |
High radiation area occurrences | 0 | 1 | 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 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
Licensee Comments: none
RETS/ODCM Radiological Effluent | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 | 3Q/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: November 26, 2008