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TAC:MD8950, Clarify Application of Setpoint Methodology for LSSS Functions (Open) |
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MONTHYEAR05000331/LER-2007-010, Re Safety System Functional Failure of Alternate Preferred Offsite Power Source2008-01-29029 January 2008 Re Safety System Functional Failure of Alternate Preferred Offsite Power Source Project stage: Request NG-08-0366, Technical Specification Change Request (TSCR-106): 4160 Volt Emergency Bus Undervoltage (Degraded Voltage) Maximum Allowable Value Affected Technical Specification: Section 3.3.8.12008-05-30030 May 2008 Technical Specification Change Request (TSCR-106): 4160 Volt Emergency Bus Undervoltage (Degraded Voltage) Maximum Allowable Value Affected Technical Specification: Section 3.3.8.1 Project stage: Other ML0819101062008-07-11011 July 2008 Request for Supplemental Information Pertaining to a License Amendment Request to Revise the 4160 Volt Bus Undervoltage (Degraded Voltage) Maximum Allowed Value Project stage: Other ML0820503962008-07-17017 July 2008 Calculation CAL-E95-006, Revision 4, 4.16 Kv Essential Bus Degraded Voltage Setpoint Calculation Project stage: Request NG-08-0551, Response to Request for Supplemental Information Regarding Technical Specification Change Request (TSCR-106): 4160 Volt Emergency Bus Undervoltage (Degraded Voltage) Maximum Allowable Value, Affected Tech Spec: Section 3.3.8.12008-07-17017 July 2008 Response to Request for Supplemental Information Regarding Technical Specification Change Request (TSCR-106): 4160 Volt Emergency Bus Undervoltage (Degraded Voltage) Maximum Allowable Value, Affected Tech Spec: Section 3.3.8.1 Project stage: Supplement ML0822106322008-08-0808 August 2008 E-mail to Transmit a Comment Found During Acceptance Review Re Supplementing LAR, Duane Arnold Project stage: Acceptance Review ML0822506372008-08-12012 August 2008 MD8950 - Request for Supplemental Information (Rsi) 2008-08-12 Project stage: Other NG-08-0709, Request to Withdraw Portions of the Information Submitted Regarding Technical Specification Change Request (TSCR-106): 4160 Volt Emergency Bus Undervoltage (Degraded Voltage) Maximum Allowable Value2008-09-10010 September 2008 Request to Withdraw Portions of the Information Submitted Regarding Technical Specification Change Request (TSCR-106): 4160 Volt Emergency Bus Undervoltage (Degraded Voltage) Maximum Allowable Value Project stage: Other ML0826204382008-10-0303 October 2008 Acceptance Ltr. 2008-09-18-1250, Acceptance of Request for License Amendment Pertaining to Revision of the 4160 Volt Bus Undervoltage (Degraded Voltage) Maximum Allowed Value Project stage: Acceptance Review ML0833301672008-11-28028 November 2008 Draft RAI on Proposed Amendment Regarding Degraded Voltage Maximum Allowable Value Project stage: Draft RAI ML0900904162009-01-12012 January 2009 Request for Additional Information Pertaining to a License Amendment Request to Revise the 4160 Volt Bus Undervoltage (Degraded Voltage) Maximum Allowed Value Project stage: RAI ML0902105742009-01-21021 January 2009 MD8950 RAI Response - Changed Response Data Project stage: RAI ML0902704312009-01-26026 January 2009 MD8950 - Record of Changing RAI Response Date from 1/26/2009 to 2/27/2009 Project stage: RAI NG-09-0054, Response to Request for Additional Information Pertaining to a License Amendment Request to Revise the 4160 Volt Bus Undervoltage (Degraded Voltage) Maximum Allowed Value2009-02-27027 February 2009 Response to Request for Additional Information Pertaining to a License Amendment Request to Revise the 4160 Volt Bus Undervoltage (Degraded Voltage) Maximum Allowed Value Project stage: Response to RAI ML0911903952009-04-29029 April 2009 Revision to e-mail: (1) MD8950 State Consultation; and (2) Changed Contact Person as State Liaison Officer (re-sent with Correct Iowa State Domain) Project stage: Other ML0912605512009-05-15015 May 2009 License Amendment, Revision of the 4160 Volt Bus Undervoltage (Degraded Voltage) Maximum Allowed Value Project stage: Other 2008-08-08
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FPL Enrg IDuane Am&o~ Enieirgjy Center FPL Energy Duane Arnold, LLC 3277 DAEC Road Palo, Iowa 52324 September 10, 2008 NG-08-0709 10 CFR 50.90 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Duane Arnold Energy Center Docket 50-331 License No. DPR-49 Request to Withdraw Portions of the Information Submitted Regarding Technical Specification Change Request (TSCR-106): "4160 Volt Emergency Bus Undervoltaqe (Degraded Voltage) Maximum Allowable Value"
References:
- 1.
Letter, R. Anderson (FPL Energy Duane Arnold) to Document Control Desk (USNRC), "Technical Specification Change Request (TSCR-106): '4160V Emergency Bus Undervoltage (Degraded Voltage) Maximum Allowable Value'," dated May 30, 2008, NG 0366 (ML081630205)
- 2.
Letter, K. Feintuch (USNRC) to R. Anderson (FPL Energy Duane Arnold), "Request for Supplemental Information Pertaining to a License Amendment Request to Revise the 4160 Volt Bus Undervoltage (Degraded Voltage) Maximum Allowed Value (TAC No. MD8950)," dated July 11,2008 (ML081910106)
- 3.
Letter, R. Anderson (FPL Energy Duane Arnold) to Document Control Desk (USNRC), "Response to Request for Supplemental Information Regarding Technical Specification Change Request (TSCR-106): '4160 Volt Emergency Bus Undervoltage (Degraded Voltage) Maximum Allowable Value'," dated July 17, 2008, NG 0551 (ML082050395)
In Reference 1, FPL Energy Duane Arnold requested an amendment to the Duane Arnold Energy Center (DAEC) Technical Specifications (TS) revising the TS maximum allowable value for the 4160 volt Emergency Bus Undervoltage (Degraded Voltage) relays.
In Reference 2, the Staff requested supplemental information regarding Reference 1. In Reference 3, FPL Energy Duane Arnold submitted the response to this request for supplemental information.
ADoo/
Document Control Desk NG-08-0709 Page 2 During subsequent discussions with the Staff, it has been determined that portions of References 1 and 3 are not germane to the proposed Technical Specification change.
Therefore, this letter respectfully requests the Staff disregard, in Reference 1, all discussion of draft TSTF-493 as it relates to the 4160 Volt Emergency Bus Undervoltage (Degraded Voltage) Maximum Allowable Value. FPL Energy Duane Arnold also requests the Staff disregard, in Reference 3, all discussion of 10 CFR 50.36 as it relates to the 4160 Volt Emergency Bus Undervoltage (Degraded Voltage) Maximum Allowable Value.
This letter makes no new commitments or changes to any existing commitments.
If you have any questions or require additional information, please contact Mr. Steve Catron at (319) 851-7234.
I declare under penalty of perjury that the foregoing is true and correct.
Executed on September 10, 2008.
Richard L. Anders n Vice President, Duane Arnold Energy Center FPL Energy Duane Arnold, LLC cc:
Administrator, Region III, USNRC Project Manager, DAEC, USNRC Resident Inspector, DAEC, USNRC D. McGhee (State of Iowa)