NL-07-0987, Fourth Interval Inspection (ISI) Plan Correction

Fourth Interval Inspection (ISI) Plan Correction

ML071290207
Person / Time
Site:	Hatch
Issue date:	05/09/2007
From:	George B Southern Nuclear Operating Co
To:	Document Control Desk, NRC/NRR/ADRO
References
NL-07-0987
Download: ML071290207 (5)

Text

Southern Nuclear Operating Company, Inc.

Post Off ice Box 1295 Birmingham, Alabama 35201-1295 Tel 205.992.5000 May 9, 2007 COMPANY Energy to Serve Your World" Docket Nos.: 50-321 50-366 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001 Edwin I. Hatch Nuclear Plant Fourth Interval Inservice Inspection (ISI) Plan Correction Ladies and Gentlemen:

On February 7,2007, Southern Nuclear Operating Company (SNC) submitted the Edwin I. Hatch Nuclear Plant (HNP) Unit 1 and 2 Fourth I 0-Year Interval Inservice Inspection (ISI) Plan. In the Unit 1 Introduction, pages "28 of 69" and "52 of 69" list alternative request ISI-ALT-07 as "Awaiting NRC Approval." This alternative request was withdrawn in SNC letter NL-06-1604, dated July 3 1,2006. Accordingly, enclosed are pages "28 of 69" and "52 of 69," which replace and supersede the corresponding pages in the SNC February 7,2007 Hatch Unit 1 and 2 IS1 Plan submittal.

This letter contains no NRC commitments. If you have any questions, please advise.

Sincerely, A B. J. ~ e d r ~ e Manager, Nuclear Licensing

Enclosure:

Replacement Pages "28 of 69" and "52 of 69" for Hatch Unit 1 and 2 IS1 Plan

U. S. Nuclear Regulatory Commission NL-07-0987 Page 2 cc: Southern Nuclear Operating Company Mr. J. T. Gasser, Executive Vice President Mr. D. R. Madison., Vice President - Hatch Mr. D. H. Jones, Vice President - Engineering RTYPE: CHA02.004 U. S. Nuclear Re~ulatoryCommission Dr. W. D. Travers, Regional Administrator Mr. R. E. Martin, NRR Project Manager - Hatch Mr. J. A. Hickey, Senior Resident Inspector - Hatch

Enclosure Edwin I. Hatch Nuclear Plant, Units 1 and 2 Replacement Pages "28 of 69" and "52 of 69" for Hatch Unit 1 and 2 IS1 Plan

HATCH UNIT 1 FOURTH INTERVAL IS1 PLAN INTRODUCTION LISTING OF RELIEF REQUESTS, ALTERNATIVES, AND EXEMPTIONS Number Description

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Allows alignment of MC interval with IS1 interval. Approved by NRC SE dated (Item B 1.30) and head-to-flange weld (Item B 1.40). Approved by NRC SE dated 1/3/06.

ISI-ALT-2 Allows the continuation of the marking system used during the 3rdInterval. Approved by NRC SE dated 11/09/05.

ISI-ALT-3 Allows continuation of VIP-075 in lieu of Code scheduling requirements. Approved by ISI-ALT-4 This alternative is a re-submittal of NRC approved 31d interval relief request RR-36, which allowed SNC to use the Performance Demonstration Initiative (PDI) Program in lieu of Section XI, Appendix VIII, Supplement 11 requirements. Approved by NRC SE dated 11/09/05.

ISI-ALT-5 Allow performance of 10-year leakage test with drain line valves in closed position.

Approved by NRC SE dated 11/09/05.

ISI-ALT-6 This alternative is a re-submittal of applicable portions of NRC approved 31d interval relief request GR-03-01, which allows SNC to use the Performance Demonstration Initiative (PDI) Program in lieu of Section XI, Appendix VIII requirements. GR-03-01 was based on the 1995 Edition with 1996 Addenda of Supplement 10 while this new 4'hinterval request is based on the 2001 Edition of Supplement 10. Approved by NRC SE dated 11/09/05.

ISI-ALT-7 Allows the performance of an above ground visual examination in lieu of a pressure decay or change in flow test for buried piping. Withdrawn.

ISI-EX-I The 10CFR50.55a exemption allows a General Visual in lieu of performing a VT-3 of the non-submerged portion of the vent system. Approved by NRC letter dated 1/06/06.

Page 28 of 69

HATCH UNIT 1 FOURTH INTERVAL IS1 PLAN INTRODUCTION SOUTHERN NUCLEAR OPERATING COMPANY (SNC)

ISI-ALT-7, VERSION 1.0 PROPOSED ALTERNATIVE IN ACCORDANCE WITH 10 CFR 50.55a(a)(3)(i) instructed to be observant of standing water or moist ground above the bwied piping during daily routine rounds which are performed at least once per shift (12-hours).

Specific annual visual examinations in conjunction with daily Operator observations will provide adequate detection of any leaks in buried PSW or RHRSW piping in adequate time to perform corrective actions.

These visual examinations provide an adequate level of quality and safety; therefore, are acceptable per 10 CFR 50.55a(a)(3)(i).

Duration Of The 4'h IS1 Interval beginning January 1,2006 and ending December 3 1, Proposed Alternative: 2015.

Precedents: None.

References:

None.

Status: Withdrawn.

Page 52 of 69