United States Nuclear Regulatory Commission - Protecting People and the Environment

Palisades – Quarterly Performance Indicators

2Q/2017 Performance Indicators

The solid trend line represents the current reporting period.

Licensee's General Comments: A Palisades PRA model revision was approved February 28, 2017. An MSPI Basis Document revision was approved on July 12, 2017 to incorporate the PRA model revision and several reliability estimate updates. The changes were entered in CDE in July 2017 and are effective for second quarter 2017.

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Link to Notes

Unplanned Scrams per 7000 Critical Hrs 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
Unplanned scrams 1.0 0 0 0 0 0 0 0
Critical hours 1849.3 1771.8 2183.0 2184.0 2208.0 2209.0 2030.7 1553.8
                 
Indicator value 0.8 0.9 0.9 0.9 0 0 0 0

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Licensee Comments: none


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Unplanned Power Changes per 7000 Critical Hrs 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
Unplanned power changes 0 0 0 0 0 0 0 0
Critical hours 1849.3 1771.8 2183.0 2184.0 2208.0 2209.0 2030.7 1553.8
                 
Indicator value 0 0 0 0 0 0 0 0

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Licensee Comments: none




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Unplanned Scrams with Complications 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
Scrams with complications 0 0 0 0 0 0 0 0
                 
                 
Indicator value 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

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Licensee Comments: none




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Safety System Functional Failures (PWR) 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
Safety System Functional Failures 0 0 0 0 0 0 0 1
                 
Indicator value 0 0 0 0 0 0 0 1

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Licensee Comments:
2Q/17: LER 2017-001-00 identified potential for loss of safety function in 5 systems. Counts as one loss due to a single event per NEI 99-02 rev.7.




Link to Notes

Mitigating Systems Performance Index, Emergency AC Power System 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
UAI (ΔCDF) -2.11E-08 -2.73E-08 -2.73E-08 -2.73E-08 -2.73E-08 -2.73E-08 -2.62E-08 -1.35E-08
URI (ΔCDF) -1.59E-07 -1.59E-07 -1.59E-07 -1.59E-07 -1.59E-07 -1.59E-07 -1.59E-07 -1.26E-07
PLE NO NO NO NO NO NO NO NO
                 
Indicator value -1.80E-07 -1.90E-07 -1.90E-07 -1.90E-07 -1.90E-07 -1.90E-07 -1.90E-07 -1.40E-07

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Licensee Comments:
2Q/17: Changed PRA Parameter(s).




Link to Notes

Mitigating Systems Performance Index, High Pressure Injection System 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
UAI (ΔCDF) -1.06E-07 -9.31E-08 -6.44E-08 -7.38E-08 -8.83E-08 -8.91E-08 -5.27E-08 -6.39E-08
URI (ΔCDF) -2.65E-07 -2.65E-07 -2.65E-07 -2.65E-07 -2.65E-07 -2.65E-07 -2.65E-07 -2.29E-07
PLE NO NO NO NO NO NO NO NO
                 
Indicator value -3.70E-07 -3.60E-07 -3.30E-07 -3.40E-07 -3.50E-07 -3.50E-07 -3.20E-07 -2.90E-07

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Licensee Comments:
2Q/17: Changed PRA Parameter(s).
4Q/15: Evaluation of Control Valve CV-3057 SIRW (Safety Injection Refueling Water) Storage Tank Outlet degradation from September 2015 concluded No MPSI Failure occurred. (Reference CR-PLP-2015-04043)
3Q/15: Evaluation is pending on degradation of Control Valve CV-3057 SIRW (Safety Injection Refueling Water) Storage Tank Outlet identified in September 2015. (Reference CR-PLP-2015-04043)




Link to Notes

Mitigating Systems Performance Index, Heat Removal System 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
UAI (ΔCDF) 1.77E-07 1.76E-07 1.89E-07 1.79E-07 1.77E-07 1.77E-07 1.73E-07 1.79E-07
URI (ΔCDF) -2.00E-07 -2.00E-07 -2.00E-07 -2.00E-07 -2.00E-07 -2.00E-07 -2.00E-07 -1.14E-08
PLE NO NO NO NO NO NO NO NO
                 
Indicator value -2.30E-08 -2.40E-08 -1.20E-08 -2.20E-08 -2.30E-08 -2.30E-08 -2.80E-08 1.70E-07

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Licensee Comments:
2Q/17: Changed PRA Parameter(s).




Link to Notes

Mitigating Systems Performance Index, Residual Heat Removal System 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
UAI (ΔCDF) 2.48E-08 2.52E-08 2.50E-08 2.39E-08 2.39E-08 2.39E-08 2.28E-08 -2.85E-10
URI (ΔCDF) -4.04E-08 -4.04E-08 -4.04E-08 -4.04E-08 -4.04E-08 -4.04E-08 -4.04E-08 -1.76E-08
PLE NO NO NO NO NO NO NO NO
                 
Indicator value -1.60E-08 -1.50E-08 -1.50E-08 -1.60E-08 -1.60E-08 -1.60E-08 -1.80E-08 -1.80E-08

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Licensee Comments:
2Q/17: Changed PRA Parameter(s).
4Q/15: Evaluation of Control Valve CV-3057 SIRW (Safety Injection Refueling Water) Storage Tank Outlet degradation from September 2015 concluded No MPSI Failure occurred. (Reference CR-PLP-2015-04043)
3Q/15: Evaluation is pending on degradation of Control Valve CV-3057 SIRW (Safety Injection Refueling Water) Storage Tank Outlet identified in September 2015. (Reference CR-PLP-2015-04043)




Link to Notes

Mitigating Systems Performance Index, Cooling Water Systems 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
UAI (ΔCDF) -1.86E-09 -4.99E-08 -5.46E-08 -3.42E-08 -4.33E-08 -4.10E-08 -4.94E-08 -3.18E-08
URI (ΔCDF) -2.31E-07 -2.31E-07 -2.31E-07 -2.31E-07 -2.31E-07 -2.31E-07 -2.31E-07 -3.15E-08
PLE NO NO NO NO NO NO NO NO
                 
Indicator value -2.30E-07 -2.80E-07 -2.90E-07 -2.60E-07 -2.70E-07 -2.70E-07 -2.80E-07 -6.30E-08

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Licensee Comments:
2Q/17: Changed PRA Parameter(s).




Link to Notes

Reactor Coolant System Activity 7/15 8/15 9/15 10/15 11/15 12/15 1/16 2/16 3/16 4/16 5/16 6/16
Maximum activity 0.005340 0.005930 0.004120 0.001920 0.002100 0.002710 0.002940 0.003340 0.003460 0.002720 0.002760 0.003810
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 0.5 0.6 0.4 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.4
Reactor Coolant System Activity 7/16 8/16 9/16 10/16 11/16 12/16 1/17 2/17 3/17 4/17 5/17 6/17
Maximum activity 0.003750 0.004070 0.004370 0.003670 0.003652 0.003840 0.003920 0.004763 0.003826 0.003650 0.002505 0.002590
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 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.4 0.4 0.3 0.3

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Licensee Comments: none




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Reactor Coolant System Leakage 7/15 8/15 9/15 10/15 11/15 12/15 1/16 2/16 3/16 4/16 5/16 6/16
Maximum leakage 0 0 0 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001
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 0 0 0 0 0 0 0 0 0 0 0
Reactor Coolant System Leakage 7/16 8/16 9/16 10/16 11/16 12/16 1/17 2/17 3/17 4/17 5/17 6/17
Maximum leakage 0.009 0.012 0.012 0.012 0.011 0.015 0.016 0.016 0.211 0 0.015 0.001
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 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.2 2.1 0 0.2 0

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Licensee Comments: none




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Drill/Exercise Performance 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
Successful opportunities 98.0 66.0 115.0 34.0 16.0 17.0 69.0 8.0
Total opportunities 98.0 66.0 117.0 35.0 16.0 17.0 70.0 8.0
                 
Indicator value 98.6% 98.7% 98.5% 98.4% 99.0% 99.0% 99.0% 99.1%

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Licensee Comments: none




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ERO Drill Participation 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
Participating Key personnel 67.0 68.0 75.0 73.0 72.0 68.0 72.0 74.0
Total Key personnel 67.0 68.0 75.0 73.0 72.0 68.0 72.0 74.0
                 
Indicator value 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0%

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Licensee Comments: none




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Alert & Notification System 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
Successful siren-tests 183 183 182 183 183 183 183 183
Total sirens-tests 183 183 183 183 183 183 183 183
                 
Indicator value 99.6% 99.7% 99.9% 99.9% 99.9% 99.9% 100.0% 100.0%

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Licensee Comments: none




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Occupational Exposure Control Effectiveness 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
High radiation area occurrences 0 0 0 0 0 0 0 1
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 1

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Licensee Comments: none




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RETS/ODCM Radiological Effluent 3Q/15 4Q/15 1Q/16 2Q/16 3Q/16 4Q/16 1Q/17 2Q/17
RETS/ODCM occurrences 0 0 0 0 0 0 0 0
                 
Indicator value 0 0 0 0 0 0 0 0

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Licensee Comments: none






Although the Security Cornerstone is included in the Reactor Oversight Process assessment program, the Commission has decided that specific information related to findings and performance indicators pertaining to the Security Cornerstone will not be publicly available to ensure that security information is not provided to a possible adversary. Other than the fact that a finding or performance indicator is Green or Greater-Than-Green, security related information will not be displayed on the public web page.





 
 
 
 

Current data as of: July 26, 2017

Page Last Reviewed/Updated Wednesday, June 07, 2017