ML20054L955

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Final Deficiency Rept Re Two Nuclear Drain Sys Valves Not Seismically Qualified,Initially Reported on 820618.Qualified Bonnets & Actuators Installed.Const Installation Documents Revised
ML20054L955
Person / Time
Site: Summer 
Issue date: 06/30/1982
From: Dixon O
SOUTH CAROLINA ELECTRIC & GAS CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
10CFR-050.55E, 10CFR-50.55E, NUDOCS 8207090101
Download: ML20054L955 (3)


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June 30, 1982 Mr. James P. O'Reilly, Director U. S. Nuclear Regulatory Corumission Region II, Suite 3100 101 Marietta Street, N. W.

Atlanta, Georgia 30303

Subject:

Virgil C. Suniner Nuclear Station Docket No. 50/395 Reportable Significant Deficiency Nuclear Drain Valves NE File 3.1050

Dear Mr. O'Reilly:

On June 18, 1982, Mr. John Roggie of the NRC Region II Office es notified of a significant deficiency involving two Nuclear Drain Systen valves. This deficiency is being reported under the requirenents of 10CFR50.55(e).

The attachment p ovides additional information on this subject. The deficiency involving these two valves has already been corrected, with no further action being required to resolve this issue.

As a result, this letter provides the final report on this subject.

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O. W. Di

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SHB:OWDiglb Attachment cc: Page 2 iM,ML COhg}

8207090101 820630 PDR ADOCK 05000395 b d[

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Mr. James P O'Reilly June 30, l':

Page 2 cc:

V. C. Stamer w/o att.

T. C. Nichols, Jr. w/o att.

G. H. Fischer w/o att.

O. W. Dixon, Jr.

H. N. Cyrus H. T. Babb D. A. Nauman M. B. Witaker, Jr.

W. A. Williams, Jr.

O. S. Bradham R. B. Clary M. N. Browne A. R. Koon H. Radin Site OA C. L. Ligon (NSRC)

G. J. Braddick J. K. Skolds J. B. Knotts, Jr.

B. A. Bursey I&E (Washington)

Doctanent Managenent Branch (55e, 21, LER)

NPCF File 4

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9 10CFR50.55(e) - SIGNIFICANP DEFICIDCY 1.

Identification of Nonconformance Active, mntainment isolation valves did not have the correct seismically qualified bonnets and actuators installed.

2.

Ntanber and Imtion of Nonconformance Only two valves, XVD-6242A/B-ND, are involved. These are respectively located cm the 412' elevation of the Reactor and Fuel Handling Building.

3.

Significant Deficiency Created and Evaluation This deficiency was created when the construction installation docunents were not updated to require a new style bonnet and actuator part ntanber to be installed. Without the correct qualified conponents installed, these valves may not have been operable following a design basis seismic event.

4.

Corrective Action (bnstruction installation doctznents have been revised to require the correct bonnet and actuators. The correct qualified bonnets an1 actuators have now been installed and doctanented. A review of other similar valves has been performed with no additional deficiencies being found.