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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 | 1.0 | 1.0 | 1.0 | 0 | 0 | 0 | 1.0 | 1.0 |
Critical hours | 2187.3 | 2186.0 | 2144.9 | 2184.0 | 2208.0 | 2209.0 | 1989.3 | 1724.9 |
Indicator value | 1.7 | 2.6 | 2.6 | 2.4 | 1.6 | 0.8 | 0.8 | 1.7 |
Licensee Comments:
2Q/08: LER-2008-003 reported a manual reactor trip on April 21, 2008, during power asension from a refueling outage due to decreasing steam generator levels and a main turbine runback as a result of a failed bistable in the turbine runback circuit and the runback switch mispositioned to Armed.
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 | 1.0 | 1.0 | 0 | 1.0 | 0 | 0 | 0 | 0 |
Critical hours | 2187.3 | 2186.0 | 2144.9 | 2184.0 | 2208.0 | 2209.0 | 1989.3 | 1724.9 |
Indicator value | 1.7 | 1.8 | 1.8 | 2.4 | 1.6 | 0.8 | 0.8 | 0 |
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 | 1.0 | 0 | 0 | 0 | 0 | 0 | |
Indicator value | 1.0 | 1.0 | 0.0 | 0.0 |
Licensee Comments: none
Safety System Functional Failures (PWR) | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
Safety System Functional Failures | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Indicator value | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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) | 5.70E-07 | 6.30E-07 | 6.40E-07 | 7.60E-07 | 7.90E-07 | 4.90E-07 | 5.30E-07 | 6.70E-07 |
URI (ΔCDF) | -3.70E-06 | -3.70E-06 | -3.70E-06 | -3.70E-06 | -3.60E-06 | -3.80E-06 | -3.90E-06 | -3.90E-06 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -3.13E-06 | -3.07E-06 | -3.06E-06 | -2.94E-06 | -2.81E-06 | -3.31E-06 | -3.37E-06 | -3.23E-06 |
Licensee Comments: none
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) | 2.70E-10 | 2.90E-10 | 2.60E-10 | 2.10E-10 | 1.40E-10 | 1.70E-11 | -1.00E-10 | -1.30E-10 |
URI (ΔCDF) | 3.60E-09 | 3.60E-09 | 3.60E-09 | 3.60E-09 | 3.60E-09 | 2.80E-09 | 2.80E-09 | 2.80E-09 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | 3.87E-09 | 3.89E-09 | 3.86E-09 | 3.81E-09 | 3.74E-09 | 2.82E-09 | 2.70E-09 | 2.67E-09 |
Licensee Comments: none
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) | 4.30E-07 | 3.50E-07 | 3.30E-07 | 2.70E-07 | 2.50E-07 | 2.30E-07 | 1.90E-07 | 2.40E-07 |
URI (ΔCDF) | -1.10E-06 | -1.20E-06 | -1.20E-06 | -1.20E-06 | -1.10E-06 | -1.10E-06 | -1.20E-06 | -1.20E-06 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | -6.70E-07 | -8.50E-07 | -8.70E-07 | -9.30E-07 | -8.50E-07 | -8.70E-07 | -1.01E-06 | -9.60E-07 |
Licensee Comments: none
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) | -5.60E-09 | -5.60E-09 | -5.60E-09 | -5.60E-09 | -5.60E-09 | -1.30E-09 | -1.20E-09 | -1.00E-09 |
URI (ΔCDF) | 5.80E-09 | 5.40E-09 | 4.30E-08 | 4.30E-08 | 4.30E-08 | 3.50E-08 | 9.10E-09 | 7.30E-09 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | 2.00E-10 | -2.00E-10 | 3.74E-08 | 3.74E-08 | 3.74E-08 | 3.37E-08 | 7.90E-09 | 6.30E-09 |
Licensee Comments: none
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) | 2.80E-09 | 2.60E-09 | 2.50E-09 | -1.00E-08 | -9.80E-09 | -7.90E-09 | -6.00E-09 | 3.70E-08 |
URI (ΔCDF) | 4.80E-08 | 4.70E-08 | 4.70E-08 | 5.80E-08 | 5.70E-08 | 4.90E-08 | 4.60E-08 | 7.10E-08 |
PLE | NO | NO | NO | NO | NO | NO | NO | NO |
Indicator value | 5.08E-08 | 4.96E-08 | 4.95E-08 | 4.80E-08 | 4.72E-08 | 4.11E-08 | 4.00E-08 | 1.08E-07 |
Licensee Comments: none
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 | 0.001360 | 0.001380 | 0.001310 | 0.001410 | 0.001480 | 0.001600 | 0.001540 | 0.001580 | 0.001650 | 0.001810 | 0.001740 | 0.001660 |
Technical specification limit | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
Indicator value | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
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 | 0.001840 | 0.001850 | 0.001930 | 0.002050 | 0.002020 | 0.002040 | 0.002140 | 0.002070 | 0.002220 | 0.000449 | 0.000501 | 0.000717 |
Technical specification limit | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
Indicator value | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0 | 0.1 | 0.1 |
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 | 0.069 | 0.069 | 0.120 | 0.011 | 0.020 | 0.010 | 0.070 | 0.020 | 0 | 0.030 | 0.020 | 0.030 |
Technical specification limit | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 |
Indicator value | 0.7 | 0.7 | 1.2 | 0.1 | 0.2 | 0.1 | 0.7 | 0.2 | 0 | 0.3 | 0.2 | 0.3 |
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 | 0.610 | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 | 0.040 | 0.050 | 0.070 | 0.010 | 0.620 | 0.030 |
Technical specification limit | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 |
Indicator value | 6.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.4 | 0.5 | 0.7 | 0.1 | 6.2 | 0.3 |
Licensee Comments: none
Drill/Exercise Performance | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
Successful opportunities | 73.0 | 11.0 | 19.0 | 57.0 | 72.0 | 66.0 | 28.0 | 50.0 |
Total opportunities | 73.0 | 14.0 | 20.0 | 58.0 | 75.0 | 71.0 | 28.0 | 54.0 |
Indicator value | 96.7% | 95.6% | 96.2% | 97.1% | 96.6% | 96.3% | 96.5% | 95.7% |
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 | 104.0 | 104.0 | 106.0 | 114.0 | 113.0 | 111.0 | 114.0 | 99.0 |
Total Key personnel | 106.0 | 108.0 | 108.0 | 117.0 | 116.0 | 111.0 | 114.0 | 99.0 |
Indicator value | 98.1% | 96.3% | 98.1% | 97.4% | 97.4% | 100.0% | 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 | 882 | 885 | 728 | 965 | 536 | 618 | 786 | 627 |
Total sirens-tests | 888 | 888 | 732 | 974 | 540 | 625 | 793 | 637 |
Indicator value | 98.5% | 98.9% | 99.4% | 99.4% | 99.4% | 99.2% | 99.1% | 98.9% |
Licensee Comments: none
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 | 1 | 1 | 1 | 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