ML20140A856: Difference between revisions

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#REDIRECT [[RBG-22-740, Responds to Violations Noted in Insp Rept 50-458/85-71. Corrective Actions:All Procedures Identified as Having Calibr Limits Outside Tech Spec Requirements Being Revised to Incorporate Correct Requirements]]
| number = ML20140A856
| issue date = 12/04/1985
| title = Responds to Violations Noted in Insp Rept 50-458/85-71. Corrective Actions:All Procedures Identified as Having Calibr Limits Outside Tech Spec Requirements Being Revised to Incorporate Correct Requirements
| author name = Deddens J
| author affiliation = GULF STATES UTILITIES CO.
| addressee name = Martin R
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
| docket = 05000458
| license number =
| contact person =
| document report number = RBG-22-740, NUDOCS 8603210243
| package number = ML20140A839
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE, UTILITY TO NRC
| page count = 4
}}
 
=Text=
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                        \W                                                December 4, 1985
                            - l                                          RBG- 22,740 File Nos. G9.5, G15.4.1 Mr. Robert D. Martin,- Regional Administrator U.S. Nuclear Regulatory Commission                                                                  I Region IV                                                                    ,
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==Dear Mr. Martin:==
L I
River' Bend Station - Unit 1                                            ,
Refer'to: Region IV Docket No. 50-458/ Report 85-71 This letter responds to the Notice of Violation contained in NRC I&E Inspection Report No. 50-458/85-71. The inspection was performed by Messrs. M. E. Skow and C. C. Harbuck during the period October 7-11,                  1985 of activities authorized by NRC Operating License NPF-40 for River Bend Station Unit No. 1.
Gulf    States Utilities Company's (GSU) response to the Notice of Violation          85-71-01,          " Calibration of Instrument Functions Outside of Technical Specification Limits," is provided in the enclosed attachment. This completes GSU's response to the Notice of Violation..
Sincerely, e
J. C. Deddens Vice President River Bend Nuclear Group JCD/R      amg Attachment 8603210243 860307 PDR    ADOCK 050 g 8 G
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ATTACHMENT December 4, 1985 RBG- 22,740 Response to Notice of Violation Severity Level V REFERENCE Notice of Violation - L. E. Martin letter to W. J. Cahill, Jr.
dated November 5, 1985.
REASON FOR THE VIOLATION Licensee procedures STP-051-4228 (Revision 0) and STP-051-4201 (Revision 3) required that various instrument functions be set "plus or minus" from a specified.value, thus allowing them to be calibrated outside of the Technical Specification limits.
CORRECTIVE ACTIONS AND RESULTS ACHIEVED The    failure  of    surveillance test procedure STP-051-4228 and STP-051-4201    to meet      technical    specification    requirements of nominal setpoint requirements being
                            ~
occurred as    a result misinterpreted by Plant Staff. The nominal setpoints and error-bands used were the design document values and were identified as nominal values by the design documents. However, the Technical Specification values have been interpreted to be absolute limits.
The calibration limits indicated in surveillance test procedure STP-051-4228 and STP-051-4201 have been revised per temporary change    notice    85-4342    and    85-3985, respectively. These procedures' are now in full compliance with the                technical specification requirements.
CORRECTIVE ACTIONS TAKEN TO AVOID FURTHER VIOLATIONS In    addition    to the procedures identified during the NRC Inspection, Plant Staff has performed            a    review  of  all surveillance      test    procedures involving instrument setpoint functions. As a result of this review, additional procedures have    been  identified      as  deviating    from    the technical specification setpoint limits. All the procedures identified as having calibration limits outside of those required by the technical specifications are presently in the process of being revised to incorporate the correct requirements. The required changes-are being accomplished by procedure revisions and/or the issuance of temporary change notices.            Procedures are being revised as they are performed to reflect the new setpoint, u
 
4
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Page 2 December 4, 1985 RBG- ~22,740 Affected setpoints have been verified to be within maximum allowable    limits    specified in technical specifications. by reviewing test data or performing channel functional tests.
The technical specification nominal setpoint requirements have been clarified as a result of meetings' held among Plant Staff Management and members of' the NRC Staff during the recent inspection in which the subject violation was identified. The corrective actions discussed above have also been established to prevent    further    violation    of    technical    specification requirements.
DATE WHEN FULL COMPLIANCE WILL BE ACHIEVED All of.the surveillance test procedures identified as allowing instruments    to  be    calibrated    outside    of the technical specification requirements shall be corrected by April 1, 1986.
 
UNITED STATES OF AMERICA NUCLEAR REGULATORY CO MISSION STATE OF LOUISIANA                    $
PARISH OF WEST FELICIANA-            $
In the Matter of                      I        Docket Nos. 50-458 50-459 CULF STATES UTILITIES COMPANY        $
(River Bend Station, Unit 1)
AFFIDAVIT J. C. Deddens, being duly sworn, states that he is a Vice President of Gulf States Utilities Company; that he is authorized on the part of said Company to sign and file with the Nuclear Regulatory Commission the documents attached hereto; and that all such documents are true and correct to the best of his knowledge, information and belief.
J. C. Ddddens Subscribed and sworn to before me, a Notary Public in and for the State and Parish above named, this          day of    P/w b e r , 19 b l.
w      -
foanW.Middlebrooksq 1ul bIciIU M otary Public in and for West Feliciana Parish, Louisiana My Commission is for Life.}}

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