ML18337A277

Response to NRC Request for Additional Information Regarding License Amendment Request Proposing Changes to the Technical Specification 3.8.1

ML18337A277
Person / Time
Site:	McGuire, Mcguire
Issue date:	12/03/2018
From:	Capps S D Duke Energy Carolinas
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
RA-18-0229
Download: ML18337A277 (98)

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Internal Events HEP sensitivity (without ACUBE)

Case Mean Point Percent A Train, CT, CDF 3.02E-06 3.01E-06 0.4% A Train, Base, CDF 3.12E-06 3.07E-06 1.6% A Train, non

-CT, CDF 2.9 0 E-06 2.8 9E-06 0.5% A Train, CT, LERF 4.65E-07 4.58E-07 1.6% A Train, Base, LERF 4.61E-07 4.55E-07 1.3% A Train, non

-CT, LERF 4.3E-07 4.28 E-07 1.7% Internal Flood HEP Sensitivity Case Mean Point Percent A Train, CT, CDF 9.28E-06 9.30 E-06 -0.2% A Train, Base, CDF 7.71E-06 7.74E-06 -0.5% A Train, non

-CT, CDF 7.7 2 E-06 7.7 2 E-06 -0.1% A Train, CT, LERF 5.94E-07 5.94E-07 0.0% A Train, Base, LERF 3.46E-07 3.46E-07 -0.2% A Train, non

-CT, LERF 3.4 0 E-07 3.4 0 E-07 0.0% High Winds HEP Sensitivity Case Mean Point Percent B Train, CT, CDF 2.18E-05 2.20E-05 -0.8% B Train, Base, CDF 8.02E-06 7.94E-06 1.0% B Train, non

-CT, CDF 4.2 0 E-06 4.2 0 E-06 -0.1% B Train, CT, LERF 2.05E-06 2.05E-06 0.0% B Train, Base, LERF 8.32E-07 8.24E-07 1.0% B Train, non-CT, LERF 4.30-07 4.29 E-07 0.2% Fire CDF HEP Sensitivity Case Mean Point Percent Unit 1, B Train, CT, CDF 4.80E-05 4.71E-05 1.9% Unit 1, B Train, non

-CT, CDF 4.68E-05 4.54E-05 3.2% Unit 2, B Train, CT, CDF 4.43E-05 4.40E-05 0.8% Unit 2, B Train, non

-CT, CDF 4.43E-05 4.31E-05 2.8% Unit 1, B Train, CT, LERF 4.34E-06 4.31E-06 0.7% Unit 1, B Train, non

-CT, LERF 4.3 0 E-06 4.17 E-06 3.1% Unit 2, B Train, CT, LERF 4.63E-06 4.60E-06 0.7% Unit 2, B Train, non

-CT, LERF 4.65 E-06 4.52-06 2.9%

RG 1.177 ICCDP Summary (Aggregate Sensitivity)

Hazard 14 Day CT Base Multiplier ICCDP Internal Events (limiting config.) 3.45E-06 3.00E-06 14/365 1.73E-08 Internal Flooding (limiting config.)

9.43E-06 7.74E-06 14/365 6.48E-08 High Winds (limiting config.)

2.12E-05 7.77E-06 14/365 5.15E-07 Fire (limiting config.)

4.86E-05 4.55E-05 14/365 1.18E-07 Seismic (limiting config.)

6.68E-07 5.31E-08 14/365 2.36E-08 Sum = 7.39E-07 RG 1.177 ICLERP Summary (Aggregate Sensitivity)

Hazard 14 Day CT Base Multiplier ICLERP Internal Events (limiting config.)

5.08E-07 4.49E-07 14/365 2.26E-09 Internal Flooding (limiting config.)

5.99E-07 3.46E-07 14/365 9.70E-09 High Winds (limiting config.)

2.01E-06 8.11E-07 14/365 4.60E-08 Fire (limiting config.)

4.36E-06 4.09E-06 14/365 1.05E-08 Seismic (limiting config.)

2.68E-07 2.18E-08 14/365 9.44E-09 Sum = 7.79E-08 351 Day ICCDP Risk Contribution Summary (Aggregate Sensitivity)

Hazard ESPS credit Base Multiplier ICCDP 2.84E-06 3.00E-06 351/365 -1.54E-07 7.72E-06 7.74E-06 351/365 -1.92E-08 4.16E-06 7.77E-06 351/365 -3.47E-06 4.54E-05 4.55E-05 351/365 -1.12E-07 5.31E-08 5.31E-08 351/365 0.00E+00 Sum = -3.76E-06 351 Day ICLERP Risk Contribution Summary (Aggregate Sensitivity)

Hazard ESPS credit Base Multiplier ICLERP Internal Events (limiting config.)

4.23E-07 4.49E-07 351/365 -2.50E-08 Internal Flooding (limiting config.)

3.39E-07 3.46E-07 351/365 -6.73E-09 High Winds (limiting config.)

4.25E-07 8.11E-07 351/365 -3.71E-07 Fire (limiting config.)

4.08E-06 4.09E-06 351/365 -8.37E-09 Seismic (limiting config.)

2.18E-08 2.18E-08 351/365 0.00E+00 Sum = -4.11E-07 CDF For Entire Change (Aggregate Sensitivity)

Hazard 14-day CT 351 Day CDF Internal Events (limiting config.)

1.73E-08 -1.54E-07 -1.37E-07 Internal Flooding (limiting config.)

6.48E-08 -1.92E-08 4.56E-08 High Winds (limiting config.)

5.15E-07 -3.47E-06 -2.96E-06 Fire (limiting config.)

1.18E-07 -1.12E-07 6.47E-09 Seismic (limiting config.)

2.36E-08 0.00E+00 2.36E-08 Sum = -3.02E-06 LERF For Entire Change (Aggregate Sensitivity)

Hazard 14-day CT 351 Day LERF Internal Events (limiting config.)

2.26E-09 -2.50E-08 -2.27E-08 Internal Flooding (limiting config.)

9.70E-09 -6.73E-09 2.97E-09 High Winds (limiting config.)

4.60E-08 -3.71E-07 -3.25E-07 Fire (limiting config.)

1.05E-08 -8.37E-09 2.09E-09 Seismic (limiting config.)

9.44E-09 0.00E+00 9.44E-09 Sum = -3.33E-07 RG 1.177 ICCDP Summary (Best Estimate)

Hazard 14 Day CT Base Multiplier ICCDP Internal Events (limiting config.)

3.28E-06 3.00E-06 14/365 1.09E-08 Internal Flooding (limiting config.)

9.42E-06 7.74E-06 14/365 6.42E-08 High Winds (limiting config.)

1.77E-05 7.77E-06 14/365 3.81E-07 Fire (limiting config.) 4.85E-05 4.55E-05 14/365 1.15E-07 Seismic (limiting config.)

6.68E-07 5.31E-08 14/365 2.36E-08 Sum = 5.95E-07 RG 1.177 ICLERP Summary (Best Estimate)

Hazard 14 Day CT Base Multiplier ICLERP Internal Events (limiting config.)

4.85E-07 4.49E-07 14/365 1.40E-09 Internal Flooding (limiting config.)

5.96E-07 3.46E-07 14/365 9.57E-09 High Winds (limiting config.)

1.66E-06 8.11E-07 14/365 3.25E-08 Fire (limiting config.)

4.36E-06 4.09E-06 14/365 1.04E-08 Seismic (limiting config.)

2.68E-07 2.18E-08 14/365 9.44E-09 Sum = 6.32E-08 351 Day ICCDP Risk Contribution Summary (Best Estimate)

Hazard ESPS credit Base Multiplier ICCDP Internal Events (limiting config.)

2.82E-06 3.00E-06 14/365 -1.72E-07 Internal Flooding (limiting config.)

7.72E-06 7.74E-06 14/365 -2.04E-08 High Winds (limiting config.)

3.66E-06 7.77E-06 14/365 -3.95E-06 Fire (limiting config.)

4.54E-05 4.55E-05 14/365 -9.62E-08 Seismic (limiting config.)

5.31E-08 5.31E-08 14/365 0.00E+00 Sum = -4.24E-06 351 Day ICLERP Risk Contribution Summary (Best Estimate)

Hazard ESPS credit Base Multiplier ICLERP Internal Events (limiting config.)

4.20E-07 4.49E-07 351/365 -2.79E-08 Internal Flooding (limiting config.)

3.39E-07 3.46E-07 351/365 -7.41E-09 High Winds (limiting config.)

3.74E-07 8.11E-07 351/365 -4.20E-07 Fire (limiting config.)

4.08E-06 4.09E-06 351/365 -9.62E-09 Seismic (limiting config.)

2.18E-08 2.18E-08 351/365 0.00E+00 Sum = -4.65E-07 CDF For Entire Change (Best Estimate)

Hazard 14-day CT 351 Day CDF Internal Events (limiting config.)

1.09E-08 -1.72E-07 -1.61E-07 Internal Flooding (limiting config.)

6.42E-08 -2.04E-08 4.38E-08 High Winds (limiting config.)

3.81E-07 -3.95E-06 -3.57E-06 Fire (limiting config.)

1.15E-07 -9.62E-08 1.89E-08 Seismic (limiting config.)

2.36E-08 0.00E+00 2.36E-08 Sum = -3.65E-06 LERF For Entire Change (Best Estimate)

Hazard 14-day CT 351 Day LERF Internal Events (limiting config.)

1.40E-09 -2.79E-08 -2.65E-08 Internal Flooding (limiting config.)

9.57E-09 -7.41E-09 2.16E-09 High Winds (limiting config.)

3.25E-08 -4.20E-07 -3.88E-07 Fire (limiting config.)

1.04E-08 -9.62E-09 7.40E-10 Seismic (limiting config.)

9.44E-09 0.00E+00 9.44E-09 Sum = -4.02E-07

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