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| | number = ML110810467 | | | number = ML110810467 |
| | issue date = 04/14/2011 | | | issue date = 04/14/2011 |
| | title = 03/15/11 Summary of Meeting with Entergy Operations, Inc. to Discuss Arkansas Nuclear One, Unit 1 License Amendment Request to Revise Technical Specifications Related to Completion Times for One Inoperable RCS Cooling Loop | | | title = Summary of Meeting with Entergy Operations, Inc. to Discuss Arkansas Nuclear One, Unit 1 License Amendment Request to Revise Technical Specifications Related to Completion Times for One Inoperable RCS Cooling Loop |
| | author name = Kalyanam N | | | author name = Kalyanam N |
| | author affiliation = NRC/NRR/DORL/LPLIV | | | author affiliation = NRC/NRR/DORL/LPLIV |
Letter Sequence Meeting |
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MONTHYEAR1CAN081004, Changes to Technical Specification Related to Completion Times for One Inoperable RCS Cooling Loop2010-08-24024 August 2010
Changes to Technical Specification Related to Completion Times for One Inoperable RCS Cooling Loop
Project stage: Request
ML1027802872010-10-0505 October 2010
Acceptance Review Email, License Amendment Request, Revise TS 3.4, Reactor Coolant System (Rcs), and TS 3.9, Refueling Operations, Related to Completion Times for One Inoperable RCS Cooling Loop
Project stage: Acceptance Review
ML1028617242010-10-13013 October 2010
Email, Request for Additional Information Re Request to Revise TS 3.4, Reactor Coolant System (Rcs), and TS 3.9, Refueling Operations, Related to Completion Times for One Inoperable RCS Cooling Loop
Project stage: RAI
1CAN111001, Supplement to License Amendment Request Related to Changes to Technical Specification Completion Times for One Inoperable RCS Cooling Loop2010-11-12012 November 2010
Supplement to License Amendment Request Related to Changes to Technical Specification Completion Times for One Inoperable RCS Cooling Loop
Project stage: Supplement
ML1036305522010-12-29029 December 2010
Email, Request for Additional Information on License Amendment Request Extension of Completion Times for One Inoperable RCS Cooling Loop
Project stage: RAI
ML1102701042011-01-27027 January 2011
E-mail, Request for Additional Information Round 3, Request to Revise TS 3.4, Reactor Coolant System (Rcs), and TS 3.9, Refueling Operations, Related to Completion Times for One Inoperable RCS Cooling Loop
Project stage: RAI
ML1103404252011-02-0202 February 2011
Email, Request for Additional Information Round 4, Request to Revise TS 3.4, Reactor Coolant System (Rcs), and TS 3.9, Refueling Operations, Related to Completion Times for One Inoperable RCS Cooling Loop
Project stage: RAI
1CAN021101, Supplemental to License Amendment Request Related to Changes to Technical Specification Completion Times for One Inoperable RCS Cooling Loop2011-02-28028 February 2011
Supplemental to License Amendment Request Related to Changes to Technical Specification Completion Times for One Inoperable RCS Cooling Loop
Project stage: Supplement
ML1106002652011-03-0303 March 2011
Notice of Forthcoming Meeting with Entergy Operations, Inc., to Discuss License Amendment Request for Arkansas Nuclear One Unit 1, Changes to Technical Specification Related to Completion Times for One Inoperable RCS Cooling Loop.
Project stage: Meeting
ML1107504162011-03-15015 March 2011
Licensee Slides from 3/15/11 Meeting with Entergy Operations on Technical Specification Change - Testing of Idle RCS Cooling Loop
Project stage: Meeting
ML1108803712011-03-30030 March 2011
Withdrawal of a License Amendment Request, Which Would Revise Several TSs to Permit a Greater Time Period for One of the Two Required Reactor Coolant System Cooling Loops to Be Inoperable
Project stage: Withdrawal
ML1108803662011-03-30030 March 2011
Letter, Withdrawal of a License Amendment Request, Revise TS 3.4, Reactor Coolant System (Rcs), and TS 3.9, Refueling Operations, Related to Completion Times for One Inoperable RCS Cooling Loop
Project stage: Withdrawal
ML1108104672011-04-14014 April 2011
Summary of Meeting with Entergy Operations, Inc. to Discuss Arkansas Nuclear One, Unit 1 License Amendment Request to Revise Technical Specifications Related to Completion Times for One Inoperable RCS Cooling Loop
Project stage: Meeting
2011-01-27
[Table View] |
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Category:Meeting Summary
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[Table view] |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 April 14, 2011 LICENSEE: Entergy Operations, Inc.
FACILITY: Arkansas Nuclear One, Unit 1
SUBJECT:
SUMMARY
OF MARCH 15, 2011, MEETING WITH ENTERGY OPERATIONS, INC., ON LICENSE AMENDMENT REQUEST FOR CHANGES TO TECHNICAL SPECIFICATIONS RELATED TO COMPLETION TIMES FOR ONE INOPERABLE REACTOR COOLANT SYSTEM COOLING LOOP AT ARKANSAS NUCLEAR ONE, UNIT 1 (TAC NO. ME4563)
On March 15,2011, a Category 1 public meeting was held between the U.S. Nuclear Regulatory Commission (NRC) and representatives of Entergy Operations, Inc. (Entergy, the licensee), for Arkansas Nuclear One, Unit 1 (ANO-1) at NRC Headquarters, One White Flint North, 11555 Rockville Pike, Rockville, Maryland. The related documents for the subject license amendment request (LAR) are the application dated August 24, 2010 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML102371014) and the supplemental letters dated November 12, 2010, and February 28, 2011 (ADAMS Accession Nos. ML103160175 and ML110590738, respectively). A list of attendees is enclosed.
The LAR discusses the licensee's proposal to revise several Technical Specifications (TSs) to permit a greater time period for one of two required decay heat removal (DHR) loops to be inoperable. The affected TSs are applicable in lower modes of operation (Modes 4, 5, and 6).
The licensee offered in defense of the LAR reasons such as 1) the requested 48-hour completion time (CT) is consistent with the same pump, low pressure injection pump TS; 2) the 48-hour CT is conservative with respect to the Mode 3 DHR CT of 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />; and 3) in Mode 4, other means of heat removal are available. The licensee's slide presentation is available at ADAMS Accession No. ML110750416.
The NRC requested that the licensee discuss the following items in its formal response to the requests for additional information (RAls):
(1 ) Inadequacy of the information used to support the CT changes from "immediately" to "48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br />" in TS 3.4.6, "RCS [Reactor Coolant System] Loops - MODE 4," for conditions with one required DHR system in operation and one DHR system inoperable.
(2) RAI response submitted by letter dated February 28, 2011, with a focus on a detailed discussion of the time-to-boil (ITB) estimate regarding worst-case identification and the assumption regarding thermodynamic mixing in the RCS inventory used in the ITB estimate.
-2 (3) One of the ways utilities apply NRC Generic Letter 88-17, "Loss of Decay Heat Removal," is calculating ITS for their outage configurations, using this as a surrogate for configuration risk level. The proposed TS elevates the significance of this calculation making it a basis for acceptability of a TS restoration time. Since the licensee wants to put rrs into its licensing basis, the NRC staff questions details of the calculation, its basis, and consideration of local boiling effects and margin levels.
Members of the public were in attendance via the teleconference bridge. Public Meeting Feedback forms were not received.
Subsequently, by letter dated March 24, 2011 (ADAMS Accession No. ML110840216), Entergy requested to withdraw the application from U.S. Nuclear Regulatory Commission review.
Please direct any inquiries to Kaly N. Kalyanam at 301-415-1480 or kaly.kalyanam@nrc.gov.
N. Kalyanam, Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-313
Enclosure:
List of Attendees cc w/encl: Distribution via Listserv
LIST OF ATTENDEES MARCH 15.2011, MEETING WITH ENTERGY OPERATIONS, INC.
LICENSE AMENDMENT REQUEST - CHANGES TO TECHNICAL SPECIFICATIONS RELATED TO COMPLETION TIMES FOR ONE INOPERABLE DECAY HEAT REMOVAL LOOP ARKANSAS NUCLEAR ONE, UNIT 1 TAC NO. ME4563 Nuclear Regulatory Commission R. Elliott, NRRIDIRS/ITSB M. Markley, NRRlDORULPL4 S. Sun, NRR/DSS/SRXB A. Howe, NRR/DRAIAPLA R. Grover, NRRlDIRS/ITSB C. Schulten, NRR/DIRSIITSB (Part-time)
G. Waig, NRRIDIRSIITSB (Teleconferenced)
N. Kalyanam, NRR/DORULPL4 Entergy Operations, Inc.
Bryan Ford Richard Harris Dan Fouts James Keys Stephanie Pyle David Bice Enclosure
-2 (3) One of the ways utilities apply NRC Generic Letter 88-17, "Loss of Decay Heat Removal," is calculating TIB for their outage configurations, using this as a surrogate for configuration risk level. The proposed TS elevates the significance of this calculation making it a basis for acceptability of a TS restoration time. Since the licensee wants to put TIB into its licensing basis, the NRC staff's questions on details of the calculation, its basis, and even consideration of local boiling effects and margin levels.
Members of the public were in attendance via the teleconference bridge. Public Meeting Feedback forms were not received.
Subsequently, by letter dated March 24,2011 (ADAMS Accession No. ML110840216), Entergy requested to withdraw the application from U.S. Nuclear Regulatory Commission review.
Please direct any inquiries to Kaly N. Kalyanam at 301-415-1480 or kaly.kalyanam@nrc.gov.
IRA!
N. Kalyanam, Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-313
Enclosure:
List of Attendees cc w/encl: Distribution via Listserv DISTRIBUTION:
PUBLIC RidsOgcRp Resource LPL4 Reading RidsRgn4MailCenter Resource RidsAcrsAcnw_MailCTR Resource CSteger, NRR RidsNrrDirsltsb Resource VDricks, OPA RIV RidsNrrDorlLpl4 Resource JTrapp, EDO RIV RidsNrrDraApla Resource RGrover, NRRIDIRS/ITSB RidsNrrDssSpbp Resource CSchulten, NRR/DIRS/ITSB RidsNrrDssSrxb Resource GWaig, NRR/DIRSIITSB RidsNrrPMWaterford Resource SSun, NRR/DSS/SRXB RidsNrrLA.IBurkhardt Resource
. Nos. MeetmQ ADAMS A ccesslon . Nof Ice ML110600265 MeefIng Summary ML110810467 , Handou t S ML110750416 OFFICE DORLlLPL4/PM DORL/LPL4/LA NRR/DRAIAPLAlBC NRR/DIRS/ITSB/BC SDinsmore for NAME NKalyanam JBurkhardt DHarrison REliiott DATE 3/25/11 3/25/11 4/5111 4/13/11 OFFICE NRR/DSS/SRXB/BC DORLlLPL4/BC DORLlLPL4/PM NAME AUlses IMMarkley NKalyanam DATE 4/5/11 4/14/11 4/14/11 OFFICIAL RECORD COpy
