ML11224A103
| ML11224A103 | |
| Person / Time | |
|---|---|
| Site: | Watts Bar  |
| Issue date: | 07/20/2011 |
| From: | - No Known Affiliation |
| To: | Division of Operating Reactor Licensing |
| References | |
| Download: ML11224A103 (20) | |
Text
WBN2Public Resource From: Boyd, Desiree L [dlboyd@tva.gov]
Sent: Wednesday, July 20, 2011 10:01 AM To: Poole, Justin; Milano, Patrick; Campbell, Stephen Cc: Arent, Gordon; Smith, James D; Bryan, Robert H Jr; Smith, James D; Crouch, William D
Subject:
FW: SSER Item No.JDS.docx Attachments: SSER Item No.JDS.docx For the next TVA/NRC SSER status telecom.
~*~*~*~*~*~*~*~*~*~*~*~
Désireé L. Boyd WBN 2 Licensing Support Sun Technical Services dlboyd@tva.gov 423-365-8764 1
Hearing Identifier: Watts_Bar_2_Operating_LA_Public Email Number: 476 Mail Envelope Properties (7AB41F650F76BD44B5BCAB7C0CCABFAF210B6D97)
Subject:
FW: SSER Item No.JDS.docx Sent Date: 7/20/2011 10:01:20 AM Received Date: 7/20/2011 10:02:32 AM From: Boyd, Desiree L Created By: dlboyd@tva.gov Recipients:
"Arent, Gordon" <garent@tva.gov>
Tracking Status: None "Smith, James D" <jdsmith@tva.gov>
Tracking Status: None "Bryan, Robert H Jr" <rhbryan@tva.gov>
Tracking Status: None "Smith, James D" <smith1jd@westinghouse.com>
Tracking Status: None "Crouch, William D" <wdcrouch@tva.gov>
Tracking Status: None "Poole, Justin" <Justin.Poole@nrc.gov>
Tracking Status: None "Milano, Patrick" <Patrick.Milano@nrc.gov>
Tracking Status: None "Campbell, Stephen" <Stephen.Campbell@nrc.gov>
Tracking Status: None Post Office: TVANUCXVS2.main.tva.gov Files Size Date & Time MESSAGE 262 7/20/2011 10:02:32 AM SSER Item No.JDS.docx 46828 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:
Recipients Received:
SSER TVA SSER Item Item Status No. Description Disposition
- 1. Review evaluations and corrective actions associated For NRC Inspection / Review Complete - Addressed by with a power assisted cable pull. (NRC safety Maximo Commitment Closure evaluation dated August 31, 2009, ADAMS Accession package 10181059 No. ML092151155)
- 2. Conduct appropriate inspection activities to verify For NRC Inspection / Review Provide NRC Residents access cable lengths used in calculations and analysis match to as-constructed ICRDS as-installed configuration. (NRC safety evaluation database and associated calcs.
dated August 31, 2009, ADAMS Accession No.
ML092151155) Due date:02/29/2012 (Khan)
Note: Pending completion of the cable pull effort and updating ICRDS for as-installed cable lengths by construction.
- 3. Confirm TVA submitted update to FSAR section Response provided in TVA to Complete 8.3.1.4.1. (NRC safety evaluation dated August 31, NRC letter dated April 6, 2011.
2009, ADAMS Accession No. ML092151155)
- 4. Conduct appropriate inspection activities to verify that Closed by IR 2010604 Complete TVAs maximum SWBP criteria for signal level and coaxial cables do not exceed the cable manufacturers maximum SWBP criteria. (NRC safety evaluation dated August 31, 2009, ADAMS Accession No.
- 5. Verify timely submittal of pre-startup core map and Response provided in TVA to Complete perform technical review. (TVA letter dated NRC letter dated April 6, 2011.
September 7, 2007, ADAMS Accession No.
- 6. Verify implementation of TSTF-449. (TVA letter dated Response provided in TVA to Complete September 7, 2007, ADAMS Accession No. NRC letter dated April 6, 2011.
- 7. Verify commitment completion and review electrical For NRC Inspection / Review See commitments in TVA design calculations. (TVA letter dated October 9, Letter. Provide NRC Residents 1990, ADAMS Accession No. ML073551056) a copy of related electrical calculation procedures and provide NRC access to calculations Due date: 8/1/11 (Khan)
SSER TVA SSER Item Item Status No. Description Disposition
- 8. Verify rod control system operability during power Response provided in TVA to Complete ascension. TVA should provide a pre-startup map to NRC letter dated April 6, 2011.
the NRC staff indicating the rodded fuel assemblies and a projected end of cycle burnup of each rodded assembly for the initial fuel cycle 6-months prior to fuel load. (NRC safety evaluation dated May 3, 2010, ADAMS Accession No. ML101200035)
- 9. Confirm that education and experience of For NRC Inspection / Review Obtain education and management and principal supervisory positions down experience information from through the shift supervisory level conform to WBN Human Resources and Regulatory Guide 1.8. (Section 13.1.3) provide info to NRC Residents.
Due date: 7/15/11 (Elton)
- 10. Confirm that TVA has an adequate number of licensed TVA to answer later. Provide submittal that confirms and non-licensed operators in the training pipeline to we have adequate personnel in support the preoperational test program, fuel loading, the pipeline.
and dual unit operation. (Section 13.1.3)
Due date: 7/22/11 (Wallace)
- 11. The plant administrative procedures should clearly For NRC Inspection / Review Provide NRC Residents copy of state that, when the Assistant Shift Engineer assumes procedure that provides the his duties as Fire Brigade Leader, his control room controls of this function.
duties are temporarily assumed by the Shift Supervisor (Shift Engineer), or by another SRO, if one Due date: 7/22/11 (Wallace) is available. The plant administrative procedures should clearly describe this transfer of control room duties. (Section 13.1.3)
- 12. TVAs implementation of NGDC PP-20 and EDCR For NRC Inspection / Review Complete Appendix J is subject to future NRC audit and inspection. (Section 25.9)
- 13. TVA is expected to submit an IST program and TVA to answer later. Provide submittal addressing specific relief requests for WBN Unit 2 nine months IST program and relief before the projected date of OL issuance. (Section requests.
3.9.6)
Due date: 7/22/11 (Tinley)
- 14. TVA stated that the Unit 2 PTLR is included in the Unit Response provided in TVA to Complete 2 System Description for the Reactor Coolant System NRC letter dated April 6, 2011.
(WBN2-68-4001), which will be revised to reflect
SSER TVA SSER Item Item Status No. Description Disposition required revisions to the PTLR by September 17, 2010. (Section 5.3.1)
- 15. TVA should confirm to the NRC staff the completion of Response provided in TVA to Complete Primary Stress Corrosion Cracking (PWSCC) NRC letter dated April 6, 2011.
mitigation activities on the Alloy 600 dissimilar metal butt welds (DMBWs) in the primary loop piping.
(Section 3.6.3)
- 16. Based on the uniqueness of EQ, the NRC staff must For NRC Inspection / Review Provide NRC Residents copies perform a detailed inspection and evaluation prior to of EQ documents as requested fuel load to determine how the WBN Unit 2 EQ for the onsite inspections.
program complies with the requirements of 10 CFR 50.49. (Section 3.11.2) Due date: Ongoing Inspection (Khan)
- 17. The NRC staff should verify the accuracy of the WBN For NRC Inspection / Review Provide NRC Residents copies Unit 2 EQ list prior to fuel load. (Section 3.11.2.1) of EQ documents as requested for the onsite inspections.
Due date: Ongoing Inspection (Khan)
- 18. Based on the extensive layup period of equipment Response provided in TVA to Complete within WBN Unit 2, the NRC staff must review, prior to NRC letter dated April 6, 2011.
fuel load, the assumptions used by TVA to re-establish a baseline for the qualified life of equipment. The purpose of the staffs review is to ensure that TVA has addressed the effects of environmental conditions on equipment during the layup period. (Section 3.11.2.2)
- 19. The NRC staff should complete its review of TVAs EQ For NRC Inspection / Review Provide NRC Residents copies Program procedures for WBN Unit 2 prior to fuel load. of EQ documents as requested (Section 3.11.2.2.1) for the onsite inspection Complete - Expect NRC to close in next inspection report
- 20. Resolve whether or not routine maintenance activities Response provided in TVA to Complete should result in increasing the EQ of the 6.9 kV motors NRC letter dated April 6, 2011.
to Category I status in accordance with 10 CFR 50.49.
(Section 3.11.2.2.1).
SSER TVA SSER Item Item Status No. Description Disposition
- 21. The NRC staff should confirm that the Electrical For NRC Inspection / Review Complete - Provided NRC Penetration Assemblies (EPAs) are installed in the Residents (Russ Lewis) copies tested configuration, and that the feedthrough module of EQ documents as requested is manufactured by the same company and is for the onsite inspection consistent with the EQ test report for the EPA.
(Section 3.11.2.2.1) Complete (Khan)
- 22. TVA must clarify its use of the term equivalent (e.g., Response provided in TVA to Complete identical, similar) regarding the replacement terminal NRC letter dated April 6, 2011.
blocks to the NRC staff. If the blocks are similar, then a similarity analysis should be completed and presented to the NRC for review. (Section 3.11.2.2.1)
- 23. Resolve whether or not TVAs reasoning for not Response provided in TVA to Complete upgrading the MSIV solenoid valves to Category I is a NRC letter dated April 6, 2011.
sound reason to the contrary, as specified in 10 CFR 50.49(l). (Section 3.11.2.2.1)
- 24. The NRC staff requires supporting documentation Response provided in TVA to Complete from TVA to justify its establishment of a mild NRC letter dated April 6, 2011.
environment threshold for total integrated dose of less than 1x103 rads for electronic components such as semiconductors or electronic components containing organic material. (Section 3.11.2.2.1)
- 25. Prior to the issuance of an operating license, TVA is TVA to answer later. Provide Insurance coverage required to provide satisfactory documentation that it submittal.
has obtained the maximum secondary liability insurance coverage pursuant to 10 CFR 140.11(a)(4), Due date: 10/1/11 (Smith) and not less than the amount required by 10 CFR 50.54(w) with respect to property insurance, and the NRC staff has reviewed and approved the documentation. (Section 22.3)
- 26. For the scenario with an accident in one unit and Response provided in TVA to Complete concurrent shutdown of the second unit without offsite NRC letter dated April 6, 2011.
power, TVA stated that Unit 2 pre-operational testing will validate the diesel response to sequencing of loads on the Unit 2 emergency diesel generators (EDGs). The NRC staff will evaluate the status of this issue and will update the status of the EDG load response in a future SSER. (Section 8.1)
SSER TVA SSER Item Item Status No. Description Disposition
- 27. TVA should provide a summary of margin studies Response provided in TVA to Complete based on scenarios described in Section 8.1 for NRC letter dated April 6, 2011.
CSSTs A, B, C, and D. (Section 8.2.2)
- 28. TVA should provide to the NRC staff a detailed Response provided in TVA to Complete discussion showing that the load tap changer is able NRC letter dated April 6, 2011.
to maintain the 6.9 kV bus voltage control band given the normal and post-contingency transmission operating voltage band, bounding voltage drop on the grid, and plant conditions. (Section 8.2.2)
- 29. TVA should provide the transmission system specifics Response provided in TVA to Complete (grid stability analyses) to the NRC staff. In order to NRC letter dated June 7, 2011.
verify compliance with GDC 17, the results of the grid stability analyses must indicate that loss of the largest electric supply to the grid, loss of the largest load from the grid, loss of the most critical transmission line, or loss of both units themselves, will not cause grid instability. (Section 8.2.2)
- 30. TVA should confirm that all other safety-related TVA to answer later. Provide response for submittal equipment (in addition to the Class 1E motors) will to NRR.
have adequate starting and running voltage at the most limiting safety related components (such as Due date: 8/1/11 (Hilmes) motor operated valves, contactors, solenoid valves or relays) at the degraded voltage relay setpoint dropout Note: This issue is with setting. TVA should also confirm that the final Corporate Licensing to resolve Technical Specifications are properly derived from on Unit 1. Unit 2 resolution will these analytical values for the degraded voltage be the same as it is for Unit 1.
settings. (Section 8.3.1.2)
time delays involved, in the scenario of a LOCA NRC letter dated April 6, 2011.
followed by a delayed LOOP, and ensure that all loads will be sequenced within the time assumed in the accident analysis. (Section 8.3.1.11)
- 32. TVA should provide to the NRC staff the details of the TVA to answer later. Provide response for submittal administrative limits of EDG voltage and speed range, to NRR.
and the basis for its conclusion that the impact is negligible, and describe how it accounts for the Due date: 8/1/11 (Hilmes) administrative limits in the Technical Specification
SSER TVA SSER Item Item Status No. Description Disposition surveillance requirements for EDG voltage and frequency. (Section 8.3.1.14)
2010, that certain design change notices (DCNs) are NRC letter dated April 6, 2011.
required or anticipated for completion of WBN Unit 2, and that these DCNs were unverified assumptions used in its analysis of the 125 V dc vital battery system. Verification of completion of these DCNs to the NRC staff is necessary prior to issuance of the operating license. (Section 8.3.2.3)
I guidelines would be substantially similar to the NRC letter dated April 6, 2011.
current Unit 1 program and that a new Section 3.12 will be added to the Unit 2 FSAR that will be materially equivalent to Section 3.12 of the current Unit 1 FSAR.
(Section 9.1.4)
the CCS will produce feedwater purity in accordance NRC letter dated June 7, 2011.
with BTP MTEB 5-3 or, alternatively, provide justification for producing feedwater purity to another acceptable standard. (Section 10.4.6)
enable verification that the SGBS meets the NRC letter dated April 6, 2011.
requirements and guidance specified in the SER or provide justification that the SGBS meets other standards that demonstrate conformance to GDC 1 and GDC 14. (Section 10.4.8)
- 37. The NRC staff will review the combined WBN Unit 1 TVA to answer later. Submit final Unit 1/2 REP to and 2 Appendix C prior to issuance of the Unit 2 OL to NRC confirm (1) that the proposed Unit 2 changes were incorporated into Appendix C, and (2) that changes Due date: October 1, 2011 made to Appendix C for Unit 1 since Revision 92 and the changes made to the NP-REP since Revision 92 do not affect the bases of the staffs findings in this SER supplement. (Section 13.3.2)
- 38. The NRC staff will confirm the availability and For NRC Inspection / Review The Emergency Response operability of the ERDS for Unit 2 prior to issuance of Data System software has
SSER TVA SSER Item Item Status No. Description Disposition the Unit 2 OL. (Section 13.3.2.6) previously been modified and tested for the Watts Bar Unit 2 addition. This unit can be selected from the ERDS menu to send data to the NRC at this time. In addition, the software has been developed and tested to send data from the WBN PEDS to the CECC. However, the official list of points for Watts Bar Unit 2 has not been provided by Unit 2 Design Engineering and, until this has been completed and submitted to the Computer Engineering Group for addition to the ERDS software, official testing of the software for this unit cannot be completed with the NRC in order to declare the WBN ERDS Unit 2 operational. This list is derived from the official Data Point List. Once developed, Unit 2 Licensing submits the data to the NRC.
Once this list has been received by the NRC, it would require one month to add the list to the NRC data systems, write the test, schedule the test with TVA/NRC, run the test, and TVA submit the results.
Due date: 10/1/11
- 39. The NRC staff will confirm the adequacy of the For NRC Inspection / Review Provide NRC Residents copies communications capability to support dual unit of related documents as
SSER TVA SSER Item Item Status No. Description Disposition operations prior to issuance of the Unit 2 OL. (Section requested for the onsite 13.3.2.6) inspection. This item is covered by the response to Item 38 Due date: See Item 38
- 40. The NRC staff will confirm the adequacy of the For NRC Inspection / Review Perform self assessment to emergency facilities and equipment to support dual verify processes and materials unit operations prior to issuance of the Unit 2 OL. in main control room, TSC, (Section 13.3.2.8) OSC, EOF and local recivery facility. Provide NRC Residents copies of self assessment documents for the onsite inspection.
Due date: 10/1/11
- 41. TVA committed to (1) update plant data displays as For NRC Inspection / Review 1) Provide demonstration of necessary to include Unit 2, and (2) to update dose capability of SPDS, ICS and assessment models to provide capabilities for PEDS data system displays for assessing releases from both WBN units. The NRC Unit 2.
staff will confirm the adequacy of these items prior to issuance of the Unit 2 OL. (Section 13.3.2.9) Due date: 7/1/12
- 2) Submit EPIP-13. Describe RED, FRED and BRED data systems..
Due date: 10/1/11
- 42. The NRC staff will confirm the adequacy of the For NRC Inspection / Review Covered by Item 41 (1) accident assessment capabilities to support dual unit operations prior to issuance of the Unit 2 OL. (Section Due date: See Item 41(1) 13.3.2.9)
- 43.Section V of Appendix E to 10 CFR Part 50 requires TVA to answer later. Submit Unit 1/2 REP TVA to submit its detailed implementing procedures implementing procedures for its emergency plan no less than 180 days before (EPIP-1 thru EPIP-17) to NRC the scheduled issuance of an operating license.
Completion of this requirement will be confirmed by Due date: October 1, 2011
SSER TVA SSER Item Item Status No. Description Disposition the NRC staff prior to the issuance of an operating (Detchemendy) license. (Section 13.3.2.18)
how the initial and irradiated RTNDT was determined. NRC letter dated April 6, 2011.
(Section 5.3.1)
31, 2010, that the PTLR would be revised to NRC letter dated April 6, 2011.
incorporate the COMS arming temperature. (Section 5.3.2)
but were provided in TVAs response to RAI 5.3.2-2 in NRC letter dated April 6, 2011.
its letter dated July 31, 2010. TVA stated in its RAI response that the PTLR would be revised to incorporate the LTOP lift settings into the PTLR.
(Section 5.3.2)
- 47. The NRC staff noted that TVAs changes to Section Response provided in TVA to A105 to correct oversight.
6.2.6 in FSAR Amendment 97, regarding the NRC letter dated June 7, 2011.
implementation of Option B of Appendix J, were However, one Note was incomplete, because several statements remained missed.
regarding performing water-sealed valve leakage tests as specified in 10 CFR [Part] 50, Appendix J. With the adoption of Option B, the specified testing requirements are no longer applicable; Option A to Appendix J retains these requirements. The NRC discussed this discrepancy with TVA in a telephone conference on September 28, 2010. TVA stated that it would remove the inaccurate reference to Appendix J for specific water testing requirements in a future FSAR amendment. (Section 6.2.6)
- 48. The NRC staff should verify that its conclusions in the Response provided in TVA to Complete.
review of FSAR Section 15.4.1 do not affect the NRC letter dated June 7, 2011.
conclusions of the staff regarding the acceptability of Section 6.5.3. (Section 6.5.3)
- 49. The NRC staff was unable to determine how TVA For NRC Inspection / Review Provided NRC Residents how linked the training qualification requirements of ANSI the refurb training requirements N45.2-1971 to TVA Procedure TI-119. Therefore, the are linked to the ANSI implementation of training and qualification for standard. Provided the training
SSER TVA SSER Item Item Status No. Description Disposition inspectors will be the subject of future NRC staff records for refurb inspectors.
inspections. (NRC letter dated July 2, 2010, ADAMS Accession No. ML101720050) Due date: Complete
- 50. TVA stated that about 5 percent of the anchor bolts for For NRC Inspection / Review Notify NRC Residents of safety-related pipe supports do not have quality anchor bolt pull tests.
control documentation, because the pull tests have not yet been performed. Since the documentation is Due date: July 1, 2011 (Adair) still under development, the NRC staff will conduct inspections to follow-up on the adequate implementation of this construction refurbishment program requirement. (NRC letter dated July 2, 2010, ADAMS Accession No. ML101720050)
- 51. The implementation of TVA Procedure TI-119 will be For NRC Inspection / Review Provide NRC Residents the the subject of NRC follow-up inspection to determine if results of the refurb program.
the construction refurbishment program requirements are being adequately implemented. (NRC letter dated Due date: Ongoing Inspection July 2, 2010, ADAMS Accession No. ML101720050) (Moll) 52[A] TVA should provide an update to the FSAR replacing Response provided in TVA to Complete.
Table 12.2-3 with the expected source strength values NRC letter dated June 7, 2011.
of the freshly irradiated IITAs. (Section 12.3) 53 TVA should provide an update to the FSAR reflecting the information provided in its letter dated October 4, 2010, regarding the WBN radiation protection design features, including controlled access areas, decontamination areas, and onsite laboratories and counting rooms. (Section 12.4) 54 TVA should provide adequate technical justification to On bucket list.
the staff to relax the frequency of the radiation monitor channel quarterly operability tests. TVA should provide sufficient information to the staff to determine that the portable airborne radiation monitors comply with the requirements of 10 CFR 20.1501. TVA should provide sufficient information to the staff to determine that the licensing or TVA program requirements for the calibration and operability testing of area radiation monitors are sufficient to meet the regulatory requirements of 10 CFR 20.1501. (Section
SSER TVA SSER Item Item Status No. Description Disposition 12.4) 55 TVA should provide sufficient information to the staff Send clarifying letter.
to demonstrate that the two area radiation monitors for the Spent Fuel Pit comply with the requirements of 10 CFR 70.24 and 10 CFR 50.68 for radiation monitoring in areas where fuel is handled or stored. (Section 12.4) 56 TVA should update the FSAR to reflect the information regarding the dose assessment program provided in its letter the the NRC dated June 3, 2010. (Section 12.5) 57 TVA should update the FSAR to reflect the qualification standards of the RPM as provided in its letter to the NRC dated October 4, 2010. (Section 12.6) 58 The staff has insufficient information to conclude that TVA has taken appropriate actions to reduce radiation levels and increase the capability of operators to control and mitigate the consequences of an accident at WBN Unit 2, in accordance with the guidance of NUREG-0737, Item II.B.2, or can maintain occupational doses to plant operators within the requirements of GDC 19. Therefore, the staff cannot conclude that the plant shielding for WBN Unit 2 is acceptable. (Section 12.7.1) 59[B] The staff's evaluation of the compatibility of the ESF Response provided in TVA to Complete system materials with containment sprays and core NRC letter dated June 7, 2011.
cooling water in the event of a LOCA is incomplete pending resolution of GSI-191 for WBN Unit 2.
(Section 6.1.1.4) 60[C] TVA should amend the FSAR description of the Response provided in TVA to Complete design and operation of the spent fuel pool cooling NRC letter dated June 7, 2011.
and cleanup system in FSAR Section 9.1.3 as proposed in its December 21, 2010, letter to the NRC.
(Section 9.1.3) 61[D] TVA should provide information to the NRC staff to Will result in a License demonstrate that PAD 4.0 can conservatively Condition.
SSER TVA SSER Item Item Status No. Description Disposition calculate the fuel temperature and other impacted variables, such as stored energy, given the lack of a fuel thermal conductivity degradation model. (Section 4.2.2.1) 62[E] Confirm TVA's change to FSAR Section 10.4.9 to Response provided in TVA to Complete reflect its intention to operate with each CST isolated NRC letter dated June 7, 2011.
from the other. (Section 10.4.9) 63[F] TVA should confirm to the NRC staff that testing prior TVA to answer later. Complete - This will be to Unit 2 fuel load has demonstrated that two-way addressed by a License communications is impossible with the Eagle 21 Condition communications interface. (Section 7.2.1.1) 64[G] TVA stated that, "Post modification testing will be For NRC Inspection / Review Provide requested info performed to verify that the design change corrects the Eagle 21, Rack 2 RTD accuracy issue prior to Due Date: Need FDCN date WBN Unit 2 fuel load. This issue is open pending from Westinghouse NRC review of the testing results.
65[H] TVA should provide justification to the staff regarding Response provided in TVA to Provide requested info why different revisions of WCAP-13869 are referenced NRC letter dated June 7, 2011.
in WBN Unit 1 and Unit 2. (Section 7.2.1.1) Due Date: 6/15/11 (Hilmes) 66[I] TVA should clarify FSAR Section 9.2.5 to add the TVA to answer later. A102 provided update to FSAR capability of the UHS to bring the non accident unit to Section 9.2.2.4 to cover this cold shutdown within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />. (SRP Section 9.2.5) question for both ERCW and CCS. Additional Info from 4/13 submittal required Due Date: 7/15/11 (Koontz) 67[J] TVA should confirm, and the NRC staff should verify, For NRC Inspection / Review Provide EDCR closure that the component cooling booster pumps for Unit 2 documentation for installation are above PMF level. (Section 9.2.2) of CCS thermal barrier booster pump dike.
Due Date:
68[K] TVA should clarify to the NRC staff how the CSS TVA to answer later. A102 provided update.
complies with GDC 5. (Section 9.2.2) Additional Info from 4/13 submittal required Due Date: 7/15/11 (Koontz)
SSER TVA SSER Item Item Status No. Description Disposition 69[L] The WBN Unit 2 RCS vent system is acceptable, For NRC Inspection / Review Provide EDCR closure pending verification that the RCS vent system is documentation for installation installed. (Section 5.4.5) of ECCS vents. EDCR numbers 52637 (RHR) [P3 Completion Date 6/7/11],
53311 (SI) [P3 Completion Date 8/25/11]
Due Date: See above 70[M] TVA should provide the revised WBN Unit 2 PSI TVA to answer later. Provide requested info program ASME Class 1, 2, and 3 Supports "Summary Tables," to include numbers of components so that the Due Date: 11/1/11 (Tinley)
NRC staff can verify that the numbers meet the reference ASME Code. (Section 3.2.3 of Appendix Z of this SSER) 71[N] TVA should confirm to the staff the replacement of the Response provided in TVA to Complete current Unit 2 clevis insert bolts to the latest design, NRC letter dated June 7, 2011.
which uses an X-750 alloy with an HTH process, rolled threads, and a larger radius on the undercut of the cap screw head. (Section 3.9.5) 72[O] Based on its review, the staff asked TVA several For NRC Inspection / Review Open pending NRC review questions regarding the ICC instrumentation. TVA responded to the staff questions by letter dated October 26, 2010 (ADAMS Accession No.
ML103020322). The NRC staff has not completed the review of the additional information provided by TVA.
The staff will provide its evaluation after completion of that review. (Section 4.4.8) 73[P] The NRC staff will inspect to confirm that TVA has For NRC Inspection / Review Provide copies of EOPs for completed the WBN Unit 2 EOPs prior to fuel load. inspection.
(Section 7.5.3)
Due Date: 2/1/12 (Wallace) 74[Q] The NRC staff will verify installation of the acoustic- For NRC Inspection / Review Provide EDCR closure monitoring system for the power-operated relief valve documentation for installation (PORV) position indication in WBN Unit 2 before fuel of acoustic monitors.
load. (Section 7.8.1)
SSER TVA SSER Item Item Status No. Description Disposition Panels installed 5/18/11 Probes not installed Due Date:
75[R] The NRC staff will verify that the test procedures and For NRC Inspection / Review Provide copies of test qualification testing for auxiliary feedwater initiation procedures for inspection.
and control and flow indication are completed in WBN Unit 2 before fuel load. (Section 7.8.2) Due Date: 7/1/12 (Olson) 76[S] The NRC staff will verify that the derivative time For NRC Inspection / Review Provide EDCR closure constant is set to zero in WBN Unit 2 before fuel load. documentation for setting of (Section 7.8.3) time constant.
Due Date: 7/10/11 77 It is unclear to the NRC staff which software V&V documents are applicable to the HRCAR monitors.
TVA should clarify which software V&V documents are applicable, in order for the staff to complete its evaluation. (Section 7.5.2.3) 78 TVA intends to issue a revised calculation reflecting that the TID in the control room is less than 103 rads, which will be evaluated by the NRC staff. (Section 7.5.2.3) 79 TVA should perform a radiated susceptibility survey, after the installation of the hardware but prior to the RM-1000 being placed in service, to establish the need for exclusion distance for the HRCAR monitors while using handheld portable devices (e.g., walkie-talkie) in the control room, as documented in Attachment 23 to TVAs letter dated February 25, 2011, and item number 355 of TVAs letter dated April 15, 2011. (Section 7.5.2.3) 80 TVA should provide clarification to the staff on how TVA Standard Specification SS-E18-14.1 meets the guidance of RG 1.180, and should address any deviations from the guidance of the RG. (Section 7.5.2.3) 81 The extent to which TVAs supplier, General Atomics
SSER TVA SSER Item Item Status No. Description Disposition (GA), complies with EPRI TR-106439 and the methods that GA used for its commercial dedication process should be provided by TVA to the NRC staff for review. (Section 7.5.2.3) 82 The staff concluded that the information provided by TVA pertaining to the in-containment LPMS equipment qualification for vibration was incomplete.
TVA should provide (item number 362 of ADAMS Accession No. ML111050009), documentation that demonstrates the LPMS in-containment equipment has been qualified to remain functional in its normal operating vibration environment, per RG 1.133, Revision 1. (Section 7.6.1) 83 TVA should confirm to the NRC staff the completion of the data storm test on the DCS. (Section 7.7.1.4) 84 TVA should provide additional information for the NRC Response to be provided in Letter to be provided by staff to complete its review of post-LOCA long term accordance with recent NRC 7/19/11.
cooling boric acid precipitation. (Section 15.3.1) Audit.
85 The 95/95 peak local oxidation was calculated to be Response to be provided in Letter to be provided by 1.04 percent, while core-wide oxidation was calculated accordance with recent NRC 7/19/11 to be much less than 0.1 percent. TVA should provide Audit.
to the NRC staff the value of the decay heat multiplier used for this limiting large break, in order for the staff to complete its evaluation. (Section 15.3.1) 86 TVA should demonstrate to the staff, in the Response to be provided in Letter to be provided by WCOBRA/TRAC analysis of the limiting break, that accordance with recent NRC 7/19/11 the core remains covered with a two-phase mixture Audit.
and can be cooled for an indefinite period of time.
(Section 15.3.1) 87 In order for the staff to complete its evaluation, TVA Response to be provided in Letter to be provided by should provide (1) a time step sensitivity study for the accordance with recent NRC 7/19/11 limiting break displaying downcomer boiling, (2) a list Audit.
of ten key parameter plots for the worst case downcomer boiling transient, (3) values for the lateral k-factors used in the evaluation, and (4) the manner in which condensation was modeled in the downcomer.
(Section 15.3.1)
SSER TVA SSER Item Item Status No. Description Disposition 88 It is also unclear to the staff that the entrainment Response to be provided in Letter to be provided by correlation information has been incorporated into the accordance with recent NRC 7/19/11 EOP, to ensure that operators do not initiate hot and Audit.
cold side injection during the period of time that entrainment could preclude injection into the hot legs.
TVA should provide the EOP guidance/instructions for the operators to the staff for review. (Section 15.3.1) 89 TVA should demonstrate, quantitatively, the Response to be provided in Letter to be provided by applicability of the generic analysis to WBN Unit 2, to accordance with recent NRC 7/19/11 demonstrate that the EOP instructions to the operators Audit.
can effectively deal with the failure of a bottom mounted instrument tube in the lower head. (Section 15.3.1) 90 Verify that the ERCW pumps meet GDC 5 No response necessary. Region II to inspect.
requirements for two unit operation. (Section 9.2.1) 91 TVA should update the FSAR with information describing how WBN Unit 2 meets GDC 5, assuming the worst case single failure and a LOOP, as provided in TVAs letter dated April 13, 2011. (Section 9.2.1) 92 The NRC staff should perform an inspection in No response necessary. NRC to determine if open item accordance with NRC Temporary Instruction needed.
2515/087, Inspection of Licensees Implementation of Multi-Plant Action A-17: Instrumentation for Nuclear Power Plants to Assess Plant and Environs Conditions During and Following an Accident (Regulatory Guide 1.97). (Section 7.5.2.1.4) 93 TVA should confirm to the staff that testing of the To be addressed in accordance Eagle 21 system has sufficiently demonstrated that with I&C matrix.
two-way communication to the ICS is precluded with the described configurations. (Section 7.9.3.2) 94 TVA should provide to the staff either information that To be addressed in accordance demonstrates that the WBN Unit 2 Common Q PAMS with I&C matrix.
meets the applicable requirements in IEEE Std. 603-1991, or justification for why the Common Q PAMS should not meet those requirements. (Section 7.5.2.2.3) 95 TVA should update FSAR Table 7.1-1, Watts Bar To be addressed in accordance A105 to address.
SSER TVA SSER Item Item Status No. Description Disposition Nuclear Plant NRC Regulatory Guide Conformance, with I&C matrix.
to reference IEEE Std. 603-1991 for the WBN Unit 2 Common Q PAMS. (Section 7.5.2.2.3) 96 TVA should (1) update FSAR Table 7.1-1 to include To be addressed in accordance RG 1.100, Revision 3, for the Common Q PAMS, or with I&C matrix.
(2) demonstrate that the Common Q PAMS is in conformance with RG 1.100, Revision 1, or provide justification for not conforming. (Section 7.5.2.2.3) 97 TVA should demonstrate that the WBN Unit 2 To be addressed in accordance Common Q PAMS is in conformance with RG 1.153, with I&C matrix.
Revision 1, or provide justification for not conforming.
(Section 7.5.2.2.3) 98 TVA should demonstrate that the WBN Unit 2 To be addressed in accordance Common Q PAMS is in conformance with RG 1.152, with I&C matrix.
Revision 2, or provide justification for not conforming.
(Section 7.5.2.2.3) 99 TVA should update FSAR Table 7.1-1 to reference To be addressed in accordance A105 to address.
IEEE 7-4.3.2-2003 as being applicable to the WBN with I&C matrix.
Unit 2 Common Q PAMS. (Section 7.5.2.2.3) 100 TVA should update FSAR Table 7.1-1 to reference RG To be addressed in accordance A105 to address.
1.168, Revision 1; IEEE 1012-1998; and IEEE 1020- with I&C matrix.
1997 as being applicable to the WBN Unit 2 Common Q PAMS. (Section 7.5.2.2.3) 101 TVA should demonstrate that the WBN Unit 2 To be addressed in accordance Common Q PAMS application software is in with I&C matrix.
conformance with RG 1.168, Revision 1, or provide justification for not conforming. (Section 7.5.2.2.3) 102 TVA should update FSAR Table 7.1-1 to reference RG To be addressed in accordance A105 to address.
1.209 and IEEE Std. 323-2003 as being applicable to with I&C matrix.
the WBN Unit 2 Common Q PAMS. (Section 7.5.2.2.3) 103 TVA should demonstrate that the WBN Unit 2 To be addressed in accordance Common Q PAMS conforms to RG 1.209 and IEEE with I&C matrix.
Std. 323-2003, or provide justification for not conforming. (Section 7.5.2.2.3) 104 The NRC staff will review the WEC self assessment to To be addressed in accordance verify that it the WBN Unit 2 PAMS is compliant to the with I&C matrix.
SSER TVA SSER Item Item Status No. Description Disposition V&V requirements in the SPM or that deviations from the requirements are adequately justified. (Section 7.5.2.2.3.4.2) 105 TVA should produce an acceptable description of how To be addressed in accordance the WBN Unit 2 Common Q PAMS SysRS and SRS with I&C matrix.
implement the design basis requirements of IEEE Std. 603-1991 Clause 4. (Section 7.5.2.2.3.4.3.1) 106 TVA should produce a final WBN Unit 2 Common Q To be addressed in accordance PAMS SRS that is independently reviewed. (Section with I&C matrix.
7.5.2.2.3.4.3.1) 107 TVA should provide to the NRC staff documentation to To be addressed in accordance confirm that the final WBN Unit 2 Common Q PAMS with I&C matrix.
SDDs that are independently reviewed. (Section 7.5.2.2.3.4.3.2) 108 TVA should demonstrate to the NRC staff that there To be addressed in accordance are no synergistic effects between temperature and with I&C matrix.
humidity for the Common Q PAMS equipment.
(Section 7.5.2.2.3.5.2) 109 TVA should demonstrate to the NRC staff acceptable To be addressed in accordance data storm testing of the Common Q PAMS. (Section with I&C matrix.
7.5.2.2.3.7.1.8) 110 To be addressed in accordance TVA should provide information to the NRC staff with I&C matrix.
describing how the WBN Unit 2 Common Q PAMS design supports periodic testing of the RVLIS function.
(Section 7.5.2.2.3.9.2.6) 111 TVA should provide the technical specifications for the To be addressed in accordance Common Q PAMS to the NRC staff for review. with I&C matrix.
(Section 7.5.2.2.3.11)