IR 05000482/1990005
| ML20055D986 | |
| Person / Time | |
|---|---|
| Site: | Wolf Creek  |
| Issue date: | 07/05/1990 |
| From: | Collins S NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Withers B WOLF CREEK NUCLEAR OPERATING CORP. |
| References | |
| NUDOCS 9007100233 | |
| Download: ML20055D986 (3) | |
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in Reply Refer To:
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Docket:
STN 50 482/90-05
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Wolf. Creek Nuclear Operating Corporation L
ATTN: -Bart D. Withers
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F President and Chief Executive Officer
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P.O. Box 411
'Burlington, Kansas 66839 I
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LGentlemen:
f Thank you for your letters, dated June 29,1990, and April 13,1990, in l
response to our. letters, dated May 23, 1990.
We have no further questions at
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this time and will review your corrective action during a future inspection.
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Sincerely,
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Samuel J. Collins, Director
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Division of Reactor Proiects
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Wolf Creek Nuclear Operating Corp.-
ATTN:
Gary Boyer, Plant Manager
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P.O. Box 411 Burlington, Kansas 66839 i
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Shaw, Pittman, Potts & Trowbridge
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ATTN:
Jay Silberg, Esq.
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1800 M Street, NW Washington, D.C.
20036
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Public Service Connission
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. ATTN Chris.R. Rogers, P.E.
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Manager, Electric Department
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P.O. Box 360
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= Jefferson City, Missouri 65102
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Corporation i
U.S;; Nuclear Regulatory Comission
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ATTN:. Regional Administrator, Region.III 799 Roosevelt Road i
Glen Ellyn, Illinois 60137
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o Wolf Creek Nuclear Operating Corp.
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' ATTN: Otto Maynard, Manager Regulatory Services
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P.O. Box 411-E Burlington, Kansas 66839
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I Kansas Corporatior. Comission
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ATTN:
Robert Elliot, Chief Engineer
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Utilities Division
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4th Floor - State Office Building
Topeka, Kansas 66612-1571 l
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I-Office of tne Governor State of Kansas
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Topeka, Kansas 66612 l
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t Attorney General
1st Floor - The Statehouse t
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Chairman -Coffey County Commission
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i Coffey County Courthouse Burlington Kansas 66839
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t 4-Kansas Department of Health-e and Environment l
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Bureau of Air-Quality & Radiation
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Control-t LL ATTN: Gerald Allen,-Public i
Health Physicist
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Division ' of-Environment -
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. U.S... Nuclear Regulatory Commission.
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? ATTN: Senior Resident Inspector
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U.S.l Nuclear Regulatory Commission
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Regional Administrator, Region IV
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NUCLEAR OPERATING CORPORATIOb H,.
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.c John A. Bailey
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June 29, 1990 NO 90 0201 U.-S. Nuclear Regulatory Commission ATTN:
Document control Desk Mail Station Pl.137 Washington, D. C.
205$5 References Letter dated May 23, 1990 from S. J. Collins, NRC to B. D. Withers, VCNOC Subjects Docket No. 50 482:
Response to Request for Additional Information on Violation 482/9005 02
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Centlemen This letter provides Wolf Creek Nuclear Operating Corporation's (WCN00)
response to the request for additional information documented in the Reference.
The request for additional information was associated with violation 482/9005 02 concerning an inoperable auxiliary feedwater pump
which resulted'from an improperly set speed controller, j
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Ifl.you have any questions concerning this matter, please contact me or
.
Mr. H. K. Chernoff of my staff.
iVery truly yours, whLC. /3m
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John A. Bailey Vice President Nuclear Operations
JAB /aem Attachment cci R. D. Martin (NRC), w/a D. V. Pickett (NRC), w/a M. E. Skow (NRC), w/a J. S. Wiebe (NRC), w/a P.O. Box 411/ Burhngton, KS 66839 / Phone: (316) 364 8831 9.q0 - 2.Cru uew oma m e w w mvn-9yy?cCbi58 c9PP-
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Attachment to NO 90-0201
Page 1 of 1
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Response to Request for Additional i
Information Regarding Violation 482/9005-02 l
t Recuests f
Violation 482/9005 02 concerned an inoperable turbine driven auxiliary feed
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pump which resulted from an improperly set speed controller.
Although the
corrective actions.taken to avoid further violations addressed this specific example, the corrective action did not appear to address the potential for other safety-related equipment to be similarly effected.
Responses i
During a review of the ESF status panel, no other instances were identified I
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where the mispositioning of ESF equipment controllers would not be l
annunciated on the ESF status panel.
Annunciation on the ESF status panel of equipment controller mispositioning clearly identifies to the operators the status of the equipment, allowing appropriate actione to be determined
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i and taken.
J Even though mispositioning of the speed controller (FC HIK 313A) for the TDAFWP governor control valve is not directly annunciated on the ESF status
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l panel, there is an alarm window on main control board 128-E,
'TD AFP SPD l
HILO'.. which becomes active when the TDAFWP mechanical trip and throttle
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valve, FC HV-312 is opened. This window will alert the operator if the pump
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is started and the speed setting is not correct.
The alarm response
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procedure for this window. ALR 00 128E.
'TD AFP SPD HILO' requires that the
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operator immediately ensure that the TDAFWP governor control valve speed controller (FC HIK-313A) is at its normal output setting.
Although this alarm function cannot prevent mispositioning of the speed controller it.does l'
provide the ability to promptly return the speed controller to the J
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appropriate setting if the,TDAFWP is started.
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l In addition, a change has been made to ADM 02 005,
' Reactor Operators
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l Qualifications and Responsibilities' clearly stating the need for the i
Reactor Operator to be cognizant of plant conditions.
This change was made to address an NRC concern regarding the Reactor Operator's awareness of L
plant conditions.
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