ML20147C150

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Forwards SE Accepting Licensee Structural Integrity & Operability Assessments.Alternative Authorized Until Next Scheduled Outage Exceeding 30 Days
ML20147C150
Person / Time
Site: Wolf Creek Wolf Creek Nuclear Operating Corporation icon.png
Issue date: 01/31/1997
From: Bateman W
NRC (Affiliation Not Assigned)
To: Maynard O
WOLF CREEK NUCLEAR OPERATING CORP.
Shared Package
ML20147C154 List:
References
GL-90-05, GL-90-5, TAC-M96477, NUDOCS 9702050370
Download: ML20147C150 (2)


Text

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January 31, 1997 Mr. Otto L. Maynard President and Chief Executive Officer Wolf Creek Nuclear Operating Corporation Post Office Box 411 l

Burlington, Kansas 66839 i

SUBJECT:

REQUEST FOR TEMPORARY RELIEF FROM ASME CODE REPAIR REQUIREMENTS FOR ASME CLASS 3 EMERGENCY DIESEL: GENERATOR INTERCOOLER DRAIN LINE, WOLF CREEK GENERATING STATION (TAC NO._M96477),

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Dear Mr. Maynard:

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The staff has reviewed and evaluated the information rovided by the Wolf Creek Nuclear Operating Corporation (t.he licensee) in its letter dated September 3, 1996. The licensee requested temporary relief from the ASME Code,Section XI requirements to repair 'a, flaw in' the emergency diesel generator (EDG) intercooler drain line ~at"the Wolf Creek Generating Station.

The staff has determined that the licensee's flaw evaluation has been consistent with the guidelines and acceptance criteria of GL 90-05. The staff therefore finds the licensee's structural' integrity and operability assessments to be acceptable. The' licensee is monitoring the leak every shift and ultrasonic examination is being performed quarterly on 12 locations of the inlet and outlet drain lines of all six EDG A and B train heat exchangers to determine any degradation of structural integrity. The licensee's actions constitute an acceptable temporar" alternative to the Code requirements. The staff's evaluation is contained a the attached safety evaluation.

Therefore, pursuant to 10 CFR 50.55a(a)(3)(i) the alternative is authorized until the next scheduled outage exceeding 30 days, but no later than January 31, 1997.

Sincerely, Original Signed By g(

W William H. Bateman, Project Director Project Directorate IV-2 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation Docket No. 50-482 DISTRIBUTION:

Docket File JStone

Enclosure:

Safety Evaluation PUBLIC EPeyton PDIV-2 Reading OGC cc w/ encl: See next page JRoe ACRS g

EAdensam JDyer, RIV WBateman GHill (2)

'DFo$ i l JMitchell WJohnson, Region IV DOCUMENT NAME:

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  • See Previous Concurrence OFC_

PDIV-2/PMM PDIV-2/LA ECGB*

OGC*

PDIV-R(D. O NAME JStone:ye EPe N GBagchi SUttal WBatekh DATE 1/rh\\/96 1/3)/96 1/13/96 1/23/96 1/$/96 FFICIAL RECORD COPY 000166 9702050370 970131 PDR ADOCK 05000482 I

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I Mr. Otto L. Maynard January 31, 1997 cc:

Jay Silberg, Esq.

Vice President Plant Operations Shaw, Pittman, Potts & Trowbridge Wolf Creek Nuclear Operating Corporation 2300 N Street, NW P. O. Box 411 Washington, D.C.

20037 Burlington, Kansas 66839 Regional Administrator, Region IV Supervisor Licensing U.S. Nuclear Regulatory Commission Wolf Creek Nuclear Operating Corporation 611 Ryan Plaza Drive, Suite 1000 P.O. Box 411 Arlington, Texas 76011 Burlington, Kansas 66839 Senior Resident Inspector U.S. Nuclear Regulatory Commission U.S. Nuclear Regulatory Commission Resident Inspectors Office P. O. Box 311 8201 NRC Road Burlington, Kansas 66839 Steedman, Missouri 65077-1032 Chief Engineer Supervisor Regulatory Compliance Utilities Division Wolf Creek Nuclear Operating Corporation Kansas Corporation Commission P.O. Box 411 1500 SW Arrowhead Road Burlington, Kansas 66839 Topeka, Kansas 66604-4027 1

Office of the Governor State of Kansas Topeka, Kansas 66612 Attorney General Judicial Center 301 S.W. 10th 2nd Floor Topeka, Kansas 66612 County Clerk Coffey County Courthouse Burlington, Kansas 66839 Public Health Physicist Bureau of Air & Radiation Division of Environment Kansas Department of Health and Environment Forbes Field Building 283 Topeka, Kansas 66620 l

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