ML13039A201

Monticello, Extended Power Uprate (Epu): Supplement for Gap Analysis Updates

ML13039A201
Person / Time
Site:	Monticello
Issue date:	01/21/2013
From:	Schimmel M A Xcel Energy, Northern States Power Co
To:	Office of Nuclear Reactor Regulation, Document Control Desk
References
TAC MD9990, L-MT-12-114
Download: ML13039A201 (3)

Text

Xce!Energy Monticello Nuclear Generating Plant2807 W County Rd 75Monticello, MN 55362January 21, 2013 L-MT-12-11410 CFR 50.90U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington, DC 20555-0001Monticello Nuclear Generating PlantDocket 50-263Renewed License No. DPR-22

Subject:

Monticello Extended Power Uprate (EPU): Supplement for Gap AnalysisUpdates (TAC MD9990)

References:

1) Letter from T J O'Connor (NSPM), to Document Control Desk (NRC),"License Amendment Request: Extended Power Uprate (TACMD9990)," L-MT-08-052, dated November 5, 2008. (ADAMSAccession No. ML0832301 11)2) Letter from T J O'Connor (NSPM), to Document Control Desk (NRC),"Monticello Extended Power Uprate: Updates to Docketed Information(TAC MD9990)," L-MT-1 0-072, dated December 21, 2010. (ADAMSAccession No. MLI103570026)3) Letter from M A Schimmel (NSPM) to Document Control Desk (NRC),"Monticello Extended Power Uprate: Supplement to Revise TechnicalSpecification Setpoint for the Automatic Depressurization SystemBypass Timer (TAC MD9990)," L-MT-12-091, dated October 30, 2012.(ADAMS Accession No. ML12307A036)Pursuant to 10 CFR 50.90, the Northern States Power Company, a Minnesotacorporation (NSPM), doing business as Xcel Energy, requested in Reference 1 anamendment to the Monticello Nuclear Generating Plant (MNGP) Renewed OperatingLicense (OL) and Technical Specifications (TS) to increase the maximum authorizedpower level from 1775 megawatts thermal (MWt) to 2004 MWt.In References 2 and 3, NSPM modified the No Significant Hazards Consideration(NSHC) and updated certain topics associated with the MNGP Extended Power Uprate(EPU) project.

Document Control DeskPage 2On November 20, 2012, NSPM presented to the NRC the results of a Gap Analysisperformed to verify the adequacy of the EPU documentation. Due to the delay in reviewof the MNGP EPU License Amendment Request (LAR), the NRC was concerned thatvarious aspects of the NRC review were no longer applicable. Through the GapAnalysis review NSPM demonstrated that a small set of technical issues requiredrevision and some design and licensing bases information had changed, but overall thebody of EPU documentation was correct with the exception of the issues identified forcorrection.The purpose of this letter is to provide the NRC with revisions to the EPUdocumentation based on the results of the GAP Analysis.Enclosure 1 provides responses to 28 items from the Gap Analysis. Enclosure 2provides marked up pages to portions of the EPU documentation based on thediscussion provided in Enclosure 1. Note that two items concerning 10 CFR 50,Appendix R issues from the Gap Analysis were previously provided to the NRC in aletter dated November 30, 2012 (ADAMS Accession No. ML123380435). Other GapAnalysis responses will be provided at a later date. Enclosure 3 provides additionalsupplemental materials as referenced by Enclosure 1.The changes made herein do not revise the NSHC provided in Reference 1 as revisedby References 2 and 3.In accordance with 10 CFR 50.91(b), a copy of this application supplement, withoutenclosures, is being provided to the designated Minnesota Official.Summary of CommitmentsThis letter makes no new commitments and no revisions to existing commitments.

Document Control DeskPage 3I declare under penalty of perjury that the foregoing is true and correct.Executed on: January ,-], 2013-7I Mark A?. SchimmelSite Vice-PresidentMonticello Nuclear Generating PlantNorthern States Power Company-MinnesotaEnclosures (3)cc: Administrator, Region Ill, USNRC (w/o enclosures)Resident Inspector, Monticello Nuclear Generating Plant, USNRC (w/oenclosures)Project Manager, Monticello Nuclear Generating Plant, USNRCMinnesota Department of Commerce (w/o enclosures)