ML20214E812

Discusses Insp Rept 50-482/87-05 on 870202-06 & Forwards Notice of Violation.Addl Mgt Attention Needed to Assure That Data & Calculations Used in Surveillance & Calibr Procedures Accurate

ML20214E812
Person / Time
Site:	Wolf Creek
Issue date:	05/15/1987
From:	Johnson E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:	Withers B WOLF CREEK NUCLEAR OPERATING CORP.
Shared Package
ML20214E815	List: ML20214E812 ML20214E819
References
NUDOCS 8705220263
Download: ML20214E812 (2)

See also: IR 05000482/1987005

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, l Wolf Creek' Nuclear Operating Corporation

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< ATTN:l Bart D.-Withers-

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j President and: Chief Executive Officer

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'P.TO.LBox 411 ~

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Burlington,~ Kansas '66839

[ Gentlemen::

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This: refers 1to lhelinspectionyconducted by Messrs. J. E. Cummins and

B.'L. Bartlett?of;this office during-the>periodiFebruary 2-6, 1987, of

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t activities: authorized by'NRC Operating License No. NPF-42 for the Wolf Creekf

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Generating Station.t _0ur letter of February 13, 1987, forwarded the'results of--

this inspection.As a result of this inspection',:an enforcement-conference was

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c e -held.in Region-IV offices on February 20, 19.87, to d,iscuss the findings of the

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NRCcinspection.-

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LAfter due consideration'of the matters' discussed at'the enforcement conference-

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fand-the' aforementioned ~ inspection" report, we have concluded that certain-

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! activities conducted under your.--license:were in violation of NRC requirements.

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Consequently} you are required to respond to this violationcin writing, in

accordance with the provisions of Section 2.201 of the NRC?s-" Rules of

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, Practice," Part 2, Title 10, Code of. Federal Regulations.; Your response should

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be-based on the specifics contained in the enclosed Notice of Violation.

As we noted in the February 20, 1987, enforcement conference, we'are concerned

by the findings of this inspection. Additional management attention is needed

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to assure.that the data and' calculations used in surveillance ~and' calibration;

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procedures are accurate. We are al~so' concerned with the~ management decision to'

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take :the plant to an indicated power of 100 percent on' January 19 and 20,1987.-

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'Your decision to not accept as valid the initially calculated RCS total flow

rate on January 14 was based upon a" belief that one or more of the parameters

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used in'that' calculation was measured by out-of-calibration instrumentation..

The' decision toJincrease power should have considered the possibility that the

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Lsame errant instruments could also result in erroneous power level indication.

(In fact this was thezcase and as a. result you. exceeded your licensed power

level albeit by a1small margin (less than 0.4 percent), for a period of about

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30. hours'on January 19 and 20.-

In addition to the corrective action required by the enclosed Notice of

Violation,1you are also requested to comment on the assurance you have that

.other critical. instrumentation are not providing errant indications because

of inappropriate set point data or constants used in the calibration of these

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.. instruments. You should also address the actions you have taken regarding the

.Ldecision'which was made to increase power,on January 19, 1987. Also, your

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- response should specificallyl address why the change request regarding .the '

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"feedwater flow transmitter calibration' test' data _{No. AE 85-03) was signed as

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. completed when in fact 1.t had not-been completed.i

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' The~ response direchi.by this letter and (he' accompanying Nof. ice 'are not'

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subject.to the' clearance proceduresLof the Office of Management and Budget as

. required by the . Paperwork < Reduction Act of 1980 PL 96-511.

Shoul'd'youhaheany'questionsconcerningthis' inspection,wewillbepleasedto

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7 discuss them with you.-

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Sincerely,

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. %!g!nsi STaned IPA

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Eric Johnson, Director -

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Division of Reactor Safety

and Projects

Enclosure:

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Appendix - Notice of Violation

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cc.w/ enclosure:

Wolf Creek Nuclear _ Operating Corporation-

ATTN: Otto Maynard, Manager

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.of Licensing

P. 0.: Box 411'

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Burlington, Kansas

66839

Gary Boyer, Plant Manager

Wolf Creek Nuclear Operating Corporation

P. 0. Box 411

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Burlington, Kansas'

66839

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Forrest Rhodes, Vice President, Nuclear Operations

Wolf Creek Nuclear. 0perating Corporation

P. O. Box 411

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Burlington, Kansas

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Kansas Radiation Control Program Director

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