ML22307A160
| ML22307A160 | |
| Person / Time | |
|---|---|
| Issue date: | 11/01/2022 |
| From: | Michelle Honcharik NRC/NRR/DSS/STSB |
| To: | Silko T Entergy Corp |
| References | |
| TSTF-297-A, Rev. 1 BWROG-44, Rev. 0 | |
| Download: ML22307A160 (1) | |
Text
TSTF-297-A, Rev. 1 BWROG-44, Rev. 0 NUREGs Affected:
Addition of Required Action C.1 to 3.3.2.2, Feedwater - Main Turbine High Water Level Trip Inst.
Technical Specification Task Force Improved Standard Technical Specifications Change Traveler 1430 1431 1432 1433 1434 Classification: 3) Improve Specifications Recommended for CLIIP?:
Industry
Contact:
Tom Silko, (802) 258-4146, tsilko@entergy.com (Unassigned)
Correction or Improvement:
(Unassigned)
NUREG-1433, LCO 3.3.2.2 Required Action C.1 requires that THERMAL POWER be reduced to less than 25% RTP within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />. This change adds a new Required Action and a corresponding Note to allow affected feedwater pumps and main turbine valve(s) to be removed from service. The change is necessary to allow components to be removed from service to fulfill the safety function without requiring a reduction in power to < 25% RTP. A similar Note is added to LCO 3.3.4.1 (EOC-RPT) (BWR/4 only)Required Action C.1 and LCO 3.3.4.2 (ATWS RPT) Required Action D.1 to provide the same clarification for when the associated Required Action is the appropriate Action.
This change is acceptable because it provides operational flexibility, which could prevent an unnecessary reduction in power to less than 25% RTP. For example, if the required instrument trip Function is degraded only to the point of rendering main feed pump(s) incapable of tripping on reactor vessel high water level, the affected main feed pump(s) and main turbine valve (s) can be removed from service (satisfying the safety function). In this condition, although the trip function is not considered OPERABLE, the safety function has been implemented and therefore, no additional compensatory actions are necessary. For LCO 3.3.4.1 (BWR/4 only) and LCO 3.3.4.2, the change is required to provide a consistent clarification of when the associated Required Actions are the appropriate Action.
The BWR/6 LCO 3.3.4.1 (EOC-RPT), Required Action C.1, is not modified because the Required Action is appropriate regardless of the source of the inoperability due to the MODE of Applicability of the LCO being exited by taking the recirculation pump(s) out of fast speed.
Revision History OG Revision 0 Revision Status: Closed Original Issue Revision
Description:
Revision Proposed by:
Susquehanna Owners Group Review Information Date Originated by OG:
13-Aug-97 Owners Group Comments:
(No Comments)
Date: 11-Feb-98 Owners Group Resolution:
Approved TSTF Review Information TSTF Received Date:
11-Feb-98 Date Distributed for Review: 28-May-98 TSTF Comments:
(No Comments)
Date: 10-Jul-98 TSTF Resolution:
Approved OG Review Completed:
BWOG CEOG WOG BWROG 31-Jul-03 Traveler Rev. 3. Copyright (C) 2003, EXCEL Services Corporation. Use by EXCEL Services associates, utility clients, and the U.S. Nuclear Regulatory Commission is granted. All other use without written permission is prohibited.
TSTF-297-A, Rev. 1 BWROG-44, Rev. 0 Affected Technical Specifications OG Revision 0 Revision Status: Closed NRC Review Information NRC Received Date:
13-Nov-98 NRC requested change.
Superceded by Revision NRC Comments:
Final Resolution:
TSTF Revision 1 Revision Status: Active There are only three instrumentation LCOs in NUREG-1433 which do not address the actuated devices. This revision inserts a Note over the associated Condition of each of these three LCOs (Feedwater and Main Turbine High Water Level Trip Instrumentation, ATWS-RPT Instrumentation, and EOC-RPT Instrumentation) to clarify the situations under which the associated Required Action would the be appropriate Action.
Revision
Description:
Revision Proposed by:
NRC TSTF Review Information TSTF Received Date:
18-Nov-99 Date Distributed for Review: 18-Nov-99 TSTF Comments:
(No Comments)
Date: 18-Nov-99 TSTF Resolution:
Approved OG Review Completed:
BWOG CEOG WOG BWROG NRC Review Information NRC Received Date:
27-Dec-99 16-Feb-00 NRC Approves Final Resolution:
Final Resolution Date:
Date of NRC Letter:
16-Feb-00 Action 3.3.4.2.D ATWS RPT Action 3.3.4.2.D Bases ATWS RPT Action 3.3.2.2.C NUREG(s)- 1433 Only Feedwater and Main Turbine High Water Level Trip Instrumentation Action 3.3.2.2.C Bases NUREG(s)- 1433 Only Feedwater and Main Turbine High Water Level Trip Instrumentation Action 3.3.4.1.C NUREG(s)- 1433 Only EOC-RPT 31-Jul-03 Traveler Rev. 3. Copyright (C) 2003, EXCEL Services Corporation. Use by EXCEL Services associates, utility clients, and the U.S. Nuclear Regulatory Commission is granted. All other use without written permission is prohibited.
TSTF-297-A, Rev. 1 BWROG-44, Rev. 0 Action 3.3.4.1.C Bases NUREG(s)- 1433 Only EOC-RPT 31-Jul-03 Traveler Rev. 3. Copyright (C) 2003, EXCEL Services Corporation. Use by EXCEL Services associates, utility clients, and the U.S. Nuclear Regulatory Commission is granted. All other use without written permission is prohibited.
This Traveler was revised by BWROG-ED-7. The affected pages have been annotated.
Replaced in BWROG-ED-7. See next page.
This page was replaced in BWROG-ED-7.
See next page.