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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 | 1445.2 | 2159.0 | 2184.0 | 2208.0 | 2209.0 | 2183.0 | 1383.2 |
| Indicator value | 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 | 0 | 0 | 0 | 0 | 1.0 | 1.0 | 0 | 0 |
| Critical hours | 2208.0 | 1445.2 | 2159.0 | 2184.0 | 2208.0 | 2209.0 | 2183.0 | 1383.2 |
| Indicator value | 0 | 0 | 0 | 0 | 0.9 | 1.6 | 1.6 | 1.8 |
Licensee Comments:
4Q/07: CAP01124161 tracks station review of the December 12-13, 2007 Power Change Greater than 20% (reviewing planned vs. unplanned).
| 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 (PWR) | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
| Safety System Functional Failures | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Indicator value | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 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) | 4.00E-07 | 5.80E-07 | 7.20E-07 | 7.10E-07 | 5.40E-07 | 5.20E-07 | 5.40E-07 | 1.30E-06 |
| URI (ΔCDF) | -1.10E-06 | -8.80E-07 | -8.80E-07 | -8.80E-07 | -8.80E-07 | -8.80E-07 | -9.10E-07 | -1.70E-06 |
| PLE | NO | NO | NO | NO | NO | NO | NO | NO |
| Indicator value | -7.00E-07 | -3.00E-07 | -1.60E-07 | -1.70E-07 | -3.40E-07 | -3.60E-07 | -3.70E-07 | -4.00E-07 |
Licensee Comments:
2Q/08: Changed PRA Parameter(s).
| 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) | -1.60E-09 | -1.90E-09 | -1.90E-09 | -1.90E-09 | 2.80E-08 | 2.70E-08 | 2.10E-08 | 9.70E-10 |
| URI (ΔCDF) | 2.50E-07 | 2.50E-07 | 2.50E-07 | 2.50E-07 | 2.50E-07 | 2.50E-07 | 2.50E-07 | 1.90E-07 |
| PLE | NO | NO | NO | NO | NO | NO | NO | NO |
| Indicator value | 2.48E-07 | 2.48E-07 | 2.48E-07 | 2.48E-07 | 2.78E-07 | 2.77E-07 | 2.71E-07 | 1.91E-07 |
Licensee Comments:
2Q/08: Changed PRA Parameter(s).
| 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) | 5.10E-07 | 4.30E-07 | 3.10E-07 | 1.40E-07 | 6.40E-07 | 8.80E-07 | 8.60E-07 | 4.40E-07 |
| URI (ΔCDF) | -1.10E-06 | -1.10E-06 | -1.10E-06 | -1.10E-06 | -1.10E-06 | -1.10E-06 | -1.10E-06 | -7.50E-07 |
| PLE | NO | NO | NO | NO | NO | NO | NO | NO |
| Indicator value | -5.90E-07 | -6.70E-07 | -7.90E-07 | -9.60E-07 | -4.60E-07 | -2.20E-07 | -2.40E-07 | -3.10E-07 |
Licensee Comments:
2Q/08: Changed PRA Parameter(s). In 1Q08, the November 2007 2P29 event was reported as a failure in the Data Review Notes, but not in the database (see AR01128114). If it had been input as a failure, the system color would have remained green with the risk cap invoked and and MSPI of 2.9e-07. This event has since been determined to not be a failure and the failure record has been updated to reflect this. The unavailability hours for November have been changed to planned.
| 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) | 4.30E-08 | 3.60E-08 | 2.60E-09 | 2.60E-08 | 9.60E-08 | 1.00E-07 | 8.20E-08 | 4.60E-08 |
| URI (ΔCDF) | -5.20E-08 | -5.20E-08 | -5.20E-08 | -5.20E-08 | -4.70E-08 | -4.70E-08 | -4.70E-08 | -3.90E-08 |
| PLE | NO | NO | NO | NO | NO | NO | NO | NO |
| Indicator value | -9.00E-09 | -1.60E-08 | -4.94E-08 | -2.60E-08 | 4.90E-08 | 5.30E-08 | 3.50E-08 | 7.00E-09 |
Licensee Comments:
2Q/08: Changed PRA Parameter(s).
| 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) | 4.00E-07 | 3.30E-07 | -2.90E-07 | -2.90E-07 | -3.30E-07 | -9.90E-08 | -3.20E-07 | -7.80E-07 |
| URI (ΔCDF) | -1.50E-06 | -2.00E-06 | -2.00E-06 | -2.00E-06 | -1.10E-06 | -1.10E-06 | -1.10E-06 | -1.10E-06 |
| PLE | NO | NO | NO | NO | NO | NO | NO | NO |
| Indicator value | -1.10E-06 | -1.67E-06 | -2.29E-06 | -2.29E-06 | -1.43E-06 | -1.20E-06 | -1.42E-06 | -1.88E-06 |
Licensee Comments:
2Q/08: Changed PRA Parameter(s). Unavailability for SW discharge to Unit 2 for March 2008 was updated. See AR01128197.
| 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 | 0.000312 | 0.000321 | 0.000337 | 0.000342 | 0.000199 | 0.000204 | 0.000212 | 0.000216 | 0.000232 | 0.000246 | 0.000256 | 0.000291 |
| Technical specification limit | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| 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 | 0.000304 | 0.000289 | 0.000289 | 0.000366 | 0.000303 | 0.000306 | 0.000327 | 0.000393 | 0.000344 | 0.000344 | 0.000178 | 0.000181 |
| Technical specification limit | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Indicator value | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Licensee Comments:
3/08: Changed entry from 0.00327 to actual value of 0.000327 for January 2008 (data entry error from scientific format to decimal entry). Correction of data was made on 04/29/08 and is documented in CAP01126993.
| 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 | 0.054 | 0.060 | 0.070 | 0.060 | 0.060 | 0.080 | 0.020 | 0.028 | 0.044 | 0.110 | 0.120 | 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 | 0.5 | 0.6 | 0.7 | 0.6 | 0.6 | 0.8 | 0.2 | 0.3 | 0.4 | 1.1 | 1.2 | 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 | 0.030 | 0.090 | 0.150 | 0.070 | 0.110 | 0.050 | 0.030 | 0.010 | 0.050 | 0.050 | 0.010 | 0.004 |
| 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 | 0.3 | 0.9 | 1.5 | 0.7 | 1.1 | 0.5 | 0.3 | 0.1 | 0.5 | 0.5 | 0.1 | 0 |
Licensee Comments: none
| Drill/Exercise Performance | 3Q/06 | 4Q/06 | 1Q/07 | 2Q/07 | 3Q/07 | 4Q/07 | 1Q/08 | 2Q/08 |
| Successful opportunities | 37.0 | 24.0 | 49.0 | 22.0 | 33.0 | 3.0 | 23.0 | 24.0 |
| Total opportunities | 38.0 | 24.0 | 50.0 | 22.0 | 36.0 | 3.0 | 24.0 | 24.0 |
| Indicator value | 95.1% | 96.1% | 97.6% | 98.4% | 97.9% | 98.0% | 97.5% | 97.3% |
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 | 63.0 | 63.0 | 58.0 | 57.0 | 58.0 | 59.0 | 56.0 | 56.0 |
| Total Key personnel | 63.0 | 63.0 | 58.0 | 57.0 | 58.0 | 59.0 | 56.0 | 56.0 |
| Indicator value | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 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 | 84 | 83 | 83 | 83 | 83 | 82 | 82 | 84 |
| Total sirens-tests | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 |
| Indicator value | 99.7% | 99.4% | 99.1% | 99.1% | 98.8% | 98.5% | 98.2% | 98.5% |
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 | 1 | 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 | 1 | 1 | 1 | 1 | 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