ML100850041
| ML100850041 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 04/02/2010 |
| From: | Richard Guzman Division of Operating Reactor Licensing |
| To: | Nine Mile Point |
| Guzman R, NRR/DORL, 415-1030 | |
| References | |
| NEDC-33173P, TAC ME1476 | |
| Download: ML100850041 (4) | |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Anr i.L 2, 2010 Nine Mile Point Nuclear Station, LLC FACILITY: Nine Mile Point, Unit NO.2
SUBJECT:
SUMMARY
OF AUDIT RELATED TO THE REVIEW OF THE EXTENDED POWER UPRATE LICENSE AMENDMENT REQUEST FOR NINE MILE POINT NUCLEAR STATION, UNIT NO.2 (TAC NO. ME1476)
Scope and Purpose The Nuclear Performance and Code Review Branch (SNPB) is reviewing methods related to topics pertaining to the use of GE-Hitachi (GEH) and Global Nuclear Fuel (GNF) analytical methods for licensing analysis for Nine Mile Point, Unit NO.2 (NMP2) as part of the NMP2 extended power uprate (EPU) license amendment request (LAR). The SNPB staff in particular, has been reviewing the application of the generically approved interim methods licensing topical report (IMLTR, NEDC-33173P, "Applicability of GE Methods to Expanded Operating Domains")
including the disposition of the limitations, conditions, and restrictions imposed on the IMLTR by the approving staff safety evaluation (SE).
In a request for additional information (RAI), question no. 1 (SNPB-1), the staff requested clarifying information regarding the applicability of the IMLTR power distribution uncertainty analysis to the NMP2 EPU (Agencywide Documents Access and Management System (ADAMS) Accession No. ML093190003). The staff requested clarification of a component uncertainty associated with the local power range monitor (LPRM) calibration in RAI SNPB-1.
By letter dated December 23, 2009 (ADAMS Accession No. ML100190072, Nine Mile Point Nuclear Station, LLC (NMPNS or the licensee) provided a response that references a comprehensive study that was performed by GEH/GNF. To independently verify the RAI response and to confirm its applicability to the NMP2 EPU LAR, the staff performed an audit of the documentation of the comprehensive study. The staff's audit plan is documented under ADAMS Accession No. ML100200360. The audit was conducted on January 29, 2010, and took place at the GEH offices in Washington, DC.
Audit Participation Enclosed is a summary of the audit participants. The participants' attendance at the opening and closing meetings of the audit (via teleconference) is also noted in the summary table.
Audit Documentation The staff audited the following proprietary GEH/GNF document:
eDRF 0000-0110-2896, "Evaluation of LPRM Update Uncertainty for 3DM/PANAC11 ,"
GE Hitachi Nuclear Energy, December 2009.
-2 Conclusions The SNPB staff reviewed the audit documentation and has determined that the scope of the comprehensive study is sufficient to encompass the operating conditions and LPRM calibration interval for NMP2 at EPU power levels. The staff reviewed the detailed results of the study.
The study results provided in the audit documentation provide reasonable assurance that the uncertainty analysis is applicable to NMP2 at EPU power levels. The staff has independently verified the applicability of the study and confirmed that the response to RAI SNPB-1 is acceptable.
Please direct any inquiries to me at 301-415-1030, or Richard.Guzman@nrc.gov.
Sincerely, Richard V. Guzman, Senior Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-410
Enclosure:
As stated cc w/encl: Distribution via Listserv
TABLE OF PARTICIPANTS FOR THE AUDIT OF THE EXTENDED POWER UPRATE LICENSE AMENDMENT REQUEST FOR NINE MILE POINT NUCLEAR STATION, UNIT NO.2 GEH OFFICES, WASHINGTON, DC JANUARY 29,2010 Table 1: Participation Summary Opening Closing Name Affiliation Meeting Meeting Atul Karve GEH x x Bill Berg GEH x x Brian Moore GEH x Garold Carlisle GEH x x Jim Harrison GEH x x John Rea GEH x x Patricia Campbell GEH x x Webb Mills GEH x x Bob Sochia NMPNS x x John Dosa NMPNS x x Theresa Darline NMPNS x x Anthony Mendiola NRC x x Peter Yarskv NRC x x Enclosure
-2 Conclusions The SNPB staff reviewed the audit documentation and has determined that the scope of the comprehensive study is sufficient to encompass the operating conditions and LPRM calibration interval for NMP2 at EPU power levels. The staff reviewed the detailed results of the study.
The study results provided in the audit documentation provide reasonable assurance that the uncertainty analysis is applicable to NMP2 at EPU power levels. The staff has independently verified the applicability of the study and confirmed that the response to RAI SNPB-1 is acceptable.
Please direct any inquiries to me at 301-415-1030, or Richard.Guzman@nrc.gov.
Sincerely, IRA!
Richard V. Guzman, Senior Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-410
Enclosure:
As stated cc w/encl: Distribution via Listserv DISTRIBUTION:
PUBLIC LPL 1-1 Branch Reading RidsNrrDorlLpl1-1 Resource RidsNrrLASLittle Resource RidsNrrDssSnpb, NRR RidsAcrsAcnw_MailCTR Resource RidsOgcRp Resource RidsRgn1 MailCenter Resource RidsNrrDssSrxb, I\IRR P. Yarsky., NRR S. Miranda, NRR T. Nakanishi, NRR ADAMS Accession No. ML100850041 *1 npu oroviide db ymemo. No su b stan fraI c hanges ma de. NRR 106 OFFICE DORLlLPL1-1/PM DORLlLPL1-1/LA SNPB/BC DORLlLPL1-1/BC NAME RGuzman SLittie TMendiola* ..INBoska for NSalgado DATE 3/03/10 3/03/10 2/04/10 4/02/10 OFFICIAL RECORD COpy