ML071930012
| ML071930012 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 07/20/2007 |
| From: | Kim J S NRC/NRR/ADRO/DORL/LPLI-1 |
| To: | Balduzzi M A Entergy Nuclear Operations |
| kim J, NRR/ADRO/DORL, 415-4125 | |
| References | |
| GL-06-002, TAC MD1045 | |
| Download: ML071930012 (7) | |
Text
July 20, 2007Mr. Michael A. BalduzziSr. Vice President & COO Regional Operations, NE Entergy Nuclear Operations, Inc.
440 Hamilton Avenue White Plains, NY 10601
SUBJECT:
VERMONT YANKEE NUCLEAR POWER STATION - RESPONSE TOGENERIC LETTER (GL) 2006-02 "GRID RELIABILITY AND THE IMPACT ON PLANT RISK AND THE OPERABILITY OF OFFSITE POWER" (TAC NO. MD1045)
Dear Mr. Balduzzi:
On February 1, 2006, the U.S. Nuclear Regulatory Commission (NRC) issued GL 2006-02,"Grid Reliability and the Impact on Plant Risk and the Operability of Offsite Power" (Agencywide Document Access and Management System (ADAMS) Accession No.
ML060180352) to all holders of operating licenses for nuclear power reactors except those who have permanently ceased operation and have certified that fuel has been removed from the reactor vessel.GL 2006-02 notified licensees of the NRC staff's need for information in four areas as follows:
(1) use of protocols between the nuclear power plant (NPP) and the transmission systemoperator (TSO), independent system operator (ISO), or reliability coordinator/authority (RC/RA) and the use of transmission load flow analysis tools (analysis tools) by TSOs to assist NPPs inmonitoring grid conditions to determine the operability of offsite power systems under plant technical specifications. (The TSO, ISO, or RA/RC is responsible for preserving the reliability ofthe local transmission system. In this GL the term TSO is used to denote these entities);(2) use of NPP/TSO protocols and analysis tools by TSOs to assist NPPs in monitoring gridconditions for consideration in maintenance risk assessments;(3) offsite power restoration procedures in accordance with Section 2 of NRC Regulatory Guide(RG) 1.155, "Station Blackout;" and(4) losses of offsite power caused by grid failures at a frequency equal to or greater than oncein 20 site-years in accordance with RG 1.155.Subsequent to the GL, the NRC issued a request for additional information (RAI), (ADAMSAccession No. ML063380308) regarding the resolution of GL 2006-02 to 63 of 65 holders of operating licenses for nuclear power reactors. The RAI requested licensees respond to questions in the following areas:
M. Balduzzi-2-(1) Switchyard Minimum Voltage;(2) Loss of Real-Time Contingency Analysis (RTCA) Capability; (3) Verification of RTCA Predicted Post-Trip Voltage; (4) Identification of Applicable Single Contingencies; (5) Seasonal Variation in Grid Stress (reliability and Loss-of-offsite power (LOOP) Probability;(6) Interface With Transmission System Operator During Extended Plant Maintenance.By letters dated April 3, 2006, (ADAMS Accession No. ML061000310) and April 14, 2006,(ADAMS Accession No. ML061140255) you responded to the information request of GL 2006-02. Based on the information you provided, the NRC staff has concluded that compliance is being maintained with NRC regulatory requirements governing electric power sources and associated personnel training and considers your response to GL 2006-02
complete.If you have any questions, please contact me at 301-415-4125.Sincerely,/RA/James Kim, Project ManagerPlant Licensing Branch I-1 Division of Operating Reactor Licensing Office of Nuclear Reactor RegulationDocket No. 50-271cc: See next page
ML061000310) and April 14, 2006,(ADAMS Accession No. ML061140255) you responded to the information request of GL 2006-02. Based on the information you provided, the NRC staff has concluded that compliance is being maintained with NRC regulatory requirements governing electric power sources and associated personnel training and considers your response to GL 2006-02
complete.If you have any questions, please contact me at 301-415-4125.Sincerely,/RA/James Kim, Project ManagerPlant Licensing Branch I-1 Division of Operating Reactor Licensing Office of Nuclear Reactor RegulationDocket No. 50-271cc: See next pageDISTRIBUTION
- PUBLICRidsNrrDorlLpl1-1RidsOgcRPGWilson LPLI-1 R/FRidsNrrLASLittleRidsAcrsAcnwMailCenter RidsNrrPMJKimRidsRgn1MailCenterJRobinsonACCESSION NO.: ML071930012OFFICELPL1-1/PMLPL1-1/LAEEEB/BCLPL1-1/BCNAMEJKimSLittleGWilsonMKowal DATE7/10/077/18/077/20/077/20/07 Vermont Yankee Nuclear Power Station cc:
Regional Administrator, Region IU. S. Nuclear Regulatory Commission
475 Allendale Road King of Prussia, PA 19406-1415Mr. David R. LewisPillsbury, Winthrop, Shaw, Pittman, LLP 2300 N Street, N.W.
Washington, DC 20037-1128Mr. David O'Brien, CommissionerVermont Department of Public Service 112 State Street Montpelier, VT 05620-2601Mr. James Volz, ChairmanPublic Service Board State of Vermont 112 State Street Montpelier, VT 05620-2701Chairman, Board of Selectmen Town of Vernon P.O. Box 116 Vernon, VT 05354-0116Operating Experience CoordinatorVermont Yankee Nuclear Power Station 320 Governor Hunt Road Vernon, VT 05354G. Dana Bisbee, Esq.Deputy Attorney General 33 Capitol Street Concord, NH 03301-6937Chief, Safety Unit Office of the Attorney General One Ashburton Place, 19th Floor Boston, MA 02108Ms. Carla A. White, RRPT, CHPRadiological Health Vermont Department of Health P.O. Box 70, Drawer #43 108 Cherry Street Burlington, VT 05402-0070Ms. Charlene D. FaisonManager, Licensing Entery Nuclear Operations 440 Hamilton Avenue White Plains, NY 10601Resident InspectorVermont Yankee Nuclear Power Station U. S. Nuclear Regulatory Commission P.O. Box 176 Vernon, VT 05354Director, Massachusetts Emergency Management Agency ATTN: James Muckerheide 400 Worcester Rd.
Framingham, MA 01702-5399Jonathan M. Block, Esq.Main Street P.O. Box 566 Putney, VT 05346-0566Mr. John F. McCannDirector, Nuclear Safety & Licensing Entergy Nuclear Operations, Inc.
440 Hamilton Avenue White Plains, NY 10601Mr. Michael R. KanslerPresident & CEO / CNO Entergy Nuclear Operations 1340 Echelon Parkway Jackson, MS 39213 Vermont Yankee Nuclear Power Station cc:
Mr. John T. HerronSr. Vice President Entergy Nuclear Operations, Inc.
1340 Echelon Parkway Jackson, MS 39213Mr. William F. MaguireGeneral Manager, Plant Operations Entergy Nuclear Operations Vermont Yankee Nuclear Power Station 320 Governor Hunt Road Vernon, VT 05354Mr. Oscar LimpiasVice President, Engineering Entergy Nuclear Operations 1340 Echelon Parkway Jackson, MS 39213Mr. John A. VentosaGM, Engineering Entergy Nuclear Operations 440 Hamilton Avenue White Plains, NY 10601Mr. Joseph P. DeRoyVP, Operations Support Entergy Operations, Inc.
1340 Echelon Parkway Jackson, MS 39213Mr. John R. DreyfussDirector, NSA Entergy Nuclear Operations Vermont Yankee Nuclear Power Station 320 Governor Hunt Road Vernon, VT 05354Mr. David J. MannaiManager, Licensing Entergy Nuclear Operations Vermont Yankee Nuclear Power Station P.O. Box 500 185 Old Ferry Road Brattleboro, VT 05302-0500Mr. Christopher SchwarzVice President, Operations Support Entergy Nuclear Operations, Inc.
440 Hamilton Avenue White Plains, NY 10601Mr. Michael J. ColombDirector of Oversight Entergy Nuclear Operations, Inc.
440 Hamilton Avenue White Plains, NY 10601Mr. William C. DennisAssistant General Counsel Entergy Nuclear Operations, Inc.
440 Hamilton Avenue White Plains, NY 10601Mr. Theodore SullivanSite Vice President Entergy Nuclear Operations, Inc.
Vermont Yankee Nuclear Power Station P.O. Box 500 185 Old Ferry Road Brattleboro, VT 05302-0500Mr. James H. Sniezek5486 Nithsdale Drive Salisbury, MD 21801Mr. Garrett D. Edwards814 Waverly Road Kennett Square, PA 19348Ms. Stacey M. LousteauTreasury Department Entergy Services, Inc.
639 Loyola Avenue New Orleans, LA 70113 Vermont Yankee Nuclear Power Station cc:
Mr. Norman L. RademacherDirector, NSA Vermont Yankee Nuclear Power Station P.O. Box 0500 185 Old Ferry Road Brattleboro, VT 05302-0500Mr. Raymond ShadisNew England Coalition Post Office Box 98 Edgecomb, ME 04556Mr. James P. MatteauExecutive Director Windham Regional Commission 139 Main Street, Suite 505 Brattleboro, VT 05301Mr. William K. ShermanVermont Department of Public Service 112 State Street Drawer 20 Montpelier, VT 05620-2601Mr. Michael D. Lyster5931 Barclay Lane Naples, FL 34110-7306Ms. Charlene D. FaisonManager, Licensing 440 Hamilton Avenue White Plains, NY 10601