ML24240A081
| ML24240A081 | |
| Person / Time | |
|---|---|
| Site: | Farley  |
| Issue date: | 08/27/2024 |
| From: | Coleman J Southern Nuclear Operating Co |
| To: | Office of Nuclear Reactor Regulation, Document Control Desk |
| References | |
| Download: ML24240A081 (1) | |
Text
.. Southern Nuclear August27,2024 ATTN: Document Control Desk U. S. Nuclear Regulatory Commission Washington, D. C. 20555-0001 Joseph M. Farley Nuclear Plant Units 1 and 2 Docket Nos. 50-348 and 50-364 Regulatory Affairs 3535 Colonnade Parkway Birmingham, AL 35243 205 992 5000 NL-24-0329 10 CFR 50.90
Subject:
License Amendment Request to Change Technical Specification 3.6.5, "Containment Air Temperature" Actions - Revised Completion Time On July 18, 2024, Southern Nuclear Operating Company (SNC) requested a license amendment to the Technical Specifications (TS) for Joseph M. Farley Nuclear Plant (FNP),
Units 1 and 2 renewed facility operating licenses NPF-2 and NPF-8, respectively (ADAMS Accession No. ML24201A108). The requested amendment would revise the operating license, Appendix A, Technical Specification (TS) 3.6.5, Containment Air Temperature, Actions upon exceeding the containment average air temperature limit and remove an expired Limiting Condition for Operation Note.
SNC is providing a revised format for the TS 3.6.5 Required Action A.3 Completion Time with the replacement pages in Enclosures 1 and 2 to this letter. Enclosure 3 provides corresponding TS 3.6.5 Bases revisions to be concurrently implemented for information only.
SNC continues to request expedited review and approval of the proposed license amendment by August 29, 2024. This license amendment will be implemented promptly upon issuance.
The replacement pages provided in Enclosures 1, 2, and 3 to this letter do not impact the regulatory evaluation (including the Significant Hazards Consideration Determination) or environmental considerations for the proposed changes provided in the July 18, 2024, submittal.
This letter contains no regulatory commitments. This letter has been reviewed and determined not to contain security-related information.
In accordance with 10 CFR 50.91, SNC is notifying the State of Alabama of this license amendment request by transmitting a copy of this letter and enclosures to the designated State Official.
U. S. Nuclear Regulatory Commission NL-24-0329 Page 2 If you have any questions, please contact Ryan Joyce at 205-992-6468.
I declare under penalty of perjury that the foregoing is true and correct.
Executed on the 27th day of August 2024.
Respectfully submitted,
~~
Jamie M. Coleman Director, Regulatory Affairs Southern Nuclear Operating Company JMC/was/cbg :
Revised Technical Specification Page Markups :
Revised Technical Specification Pages :
Revised Technical Specification Bases Markups (for information only) cc:
NRC Regional Administrator, Region II NRR Project Manager - Farley 1 & 2 Senior Resident Inspector - Farley 1 & 2 Alabama - State Health Officer for the Department of Public Health RType: CFA04.054
License Amendment Request to Change Technical Specification 3.6.5, "Containment Air Temperature" Actions - Revised Completion Time Revised Technical Specification Page Markups
3.6 CONTAINMENT SYSTEMS 3.6.5 Containment Air Temperature Containment Air Temperature 3.6.5 LCO 3.6.5 Containment average air temperature shall be ::::; 120°F.
Containment average air temperature shall be< 122°F until 0600 hours0.00694 days <br />0.167 hours <br />9.920635e-4 weeks <br />2.283e-4 months <br /> on September 9, 2023 APPLICABILITY:
MODES 1, 2, 3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
Containment average air
_A_.1 ___
V_e_rif~y_c_o_n_ta_in_m_en_t 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> temperature not within average air temperature limit.
- 122°F.
Farley Units 1 and 2 AND A.2 AND A.~4 Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter Verify refueling water 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> storage tank temperature
< 100°F.
AND Restore containment average air temperature to within limit.
Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter
NOTE----------
Not to exceed 7 days cumulative in calendar year 7 days8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 3.6.5-1 Amendment No._-247-_
(Unit 1)
Amendment No._-244_
(Unit 2)
ACTIONS (continued CONDITION B.
Required Action and associated Completion Time not met.
B.1 AND B.2 SURVEILLANCE REQUIREMENTS REQUIRED ACTION Be in MODE 3.
Be in MODE 5.
Containment Air Temperature 3.6.5 COMPLETION TIME 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> 36 hours SURVEILLANCE FREQUENCY SR 3.6.5.1 Verify containment average air temperature is within limit.
In accordance with the Surveillance Frequency Control Program Farley Units 1 and 2 3.6.5-2 Amendment No._~
(Unit 1)
Amendment No._~
(Unit 2)
License Amendment Request to Change Technical Specification 3.6.5, "Containment Air Temperature" Actions - Revised Completion Time Revised Technical Specification Pages
3.6 CONTAINMENT SYSTEMS 3.6.5 Containment Air Temperature Containment Air Temperature 3.6.5 LCO 3.6.5 Containment average air temperature shall be ::::; 120°F.
APPLICABILITY:
MODES 1, 2, 3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
Containment average air A.1 Verify containment average air temperature
- 122°F.
8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> temperature not within limit.
Farley Units 1 and 2 AND Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter A.2 Verify refueling water 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> storage tank temperature AND A.3
- 1QQ°F.
AND Restore containment average air temperature to within limit.
Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter
NOTE----------
Not to exceed 7 days cumulative in calendar year 7 days 3.6.5-1 Amendment No. 250 (Unit 1)
Amendment No. 24 7 (Unit 2)
ACTIONS (continued CONDITION B.
Required Action and associated Completion Time not met.
B.1 AND B.2 REQUIRED ACTION Be in MODE 3.
Be in MODE 5.
SURVEILLANCE REQUIREMENTS SURVEILLANCE Containment Air Temperature 3.6.5 COMPLETION TIME 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> 36 hours FREQUENCY SR 3.6.5.1 Verify containment average air temperature is within limit.
In accordance with the Surveillance Frequency Control Program Farley Units 1 and 2 3.6.5-2 Amendment No. 250 (Unit 1)
Amendment No. 24 7 (Unit 2)
License Amendment Request to Change Technical Specification 3.6.5, "Containment Air Temperature" Actions - Revised Completion Time Revised Technical Specification Bases Markups (for information only)
BASES LCO APPLICABILITY ACTIONS Farley Units 1 and 2 Containment Air Temperature B 3.6.5 During a OBA, with an initial containment average air temperature less than or equal to the LCO temperature limit, the resultant containment structure peak accident temperature is maintained below the containment design temperature. As a result, the ability of containment to perform its design function is ensured.
In MODES 1, 2, 3, and 4, a OBA could cause a release of radioactive material to containment. In MODES 5 and 6, the probability and consequences of these events are reduced due to the pressure and temperature limitations of these MODES. Therefore, maintaining containment average air temperature within the limit is not required in MODE 5 or 6.
A.1, A.2, and A.3 When containment average air temperature is not within the limit of the LCO, it must be restored to 'Nithin limit 'Nithin 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> the containment average air temperature must be verified to be :::: 122°F within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> and once every 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter (Required Action A.1 ). Required Action A.2 requires verification that the refueling water storage tank (RWST) temperature is :::: 100°F to provide additional margin for the containment post-accident mass and energy release.
The 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> Completion Time is reasonable to verify the containment average air temperature and the RWST temperature. The once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter is adequate to confirm the temperatures remain within the Required Action limits.
+ms-Required Action A.3 is necessary to return operation to within the bounds of the containment analysis. The 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />? day Completion Time is acceptable considering the sensitivity of the analysis to variations in this parameter and provides sufficient time to correct minor problems. The Completion Time for Required Action A.3 is modified by a Note that limits time within the Required Action such that the Completion Time also expires when the cumulative time reaches 7 days in the calendar year. The cumulative time is tracked as actual time operating in Condition A and initially begins from the initial Condition A entry in the calendar year. Each entry and exit time for Condition A are tracked and added to the prior cumulative time(s).
Short-term exceedance of the containment average air temperature limit has been evaluated and determined to be of minimal impact to safety (Ref. 3).
B 3.6.5-3 Revision a_
BASES ACTIONS (continued)
SURVEILLANCE REQUIREMENTS REFERENCES Farley Units 1 and 2 B.1 and B.2 Containment Air Temperature B 3.6.5 If the containment average air temperature cannot be restored to within its limit within the required Completion Time, the plant must be brought to a MODE in which the LCO does not apply. To achieve this status, the plant must be brought to at least MODE 3 within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and to MODE 5 within 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />. The allowed Completion Times are reasonable, based on operating experience, to reach the required plant conditions from full power conditions in an orderly manner and without challenging plant systems.
SR 3.6.5.1 Verifying that containment average air temperature is within the LCO limit ensures that containment operation remains within the limit assumed for the containment analyses. In order to determine the containment average air temperature, an arithmetic average is calculated using measurements taken at four of the following sensor locations with at least two being containment air cooler intake sensors:
Instrument Number TE3187 E, F, G, & H TE3188 H & I TE3188 J Sensor Location Containment Air Cooler Intake Lower Compartment Reactor (lower)
The Surveillance Frequency is controlled under the Surveillance Frequency Control Program.
- 1. FSAR, Section 6.2.
- 2. 10 CFR 50.49.
- 3. Amendment Nos. ###- and ##-# for Farley, Units 1 and 2, respectively, dated Month day, year.
B 3.6.5-4 Revision ~ _