RBG-23-256, Responds to NRC Re Violations Noted in Insp Rept 50-458/85-81.Corrective Actions:Departmental Review of All SOP Controlled Copy in Main Control Room Conducted.No Incorrect Rev or Omissions Found
| ML20140E889 | |
| Person / Time | |
|---|---|
| Site: | River Bend  |
| Issue date: | 02/27/1986 |
| From: | William Cahill GULF STATES UTILITIES CO. |
| To: | Martin R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| Shared Package | |
| ML20140E881 | List: |
| References | |
| RBG-23-256, NUDOCS 8603280226 | |
| Download: ML20140E889 (5) | |
Text
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GULF STATES ZTTELETIES COMPANY RrVER BEND STATION POST OFFICE 80x 220 S7 FRANcisviLLE. LoutSIANA 70775 ARfA CODE 504 635 6094 346-8651 February 27, 1986 RBG-23,256 File Nos. G9.5, G15.4.1 Mr. Robert D. Martin, Regional Administrator U
Nu ear Regulatory Commission g g ]
611 Ryan Plaza Drive, Suite 1000 g
Arlington, TX 7601 ppR-51986
Dear Mr. Martin:
--: d>
River Bend Station - Unit 1 Docket No. 50-458/ Report 85-81 This letter responds to the Notice of Violations contained in NRC I&E Inspection Report No. 50-458/85-81.
The -inspection was conducted by. Messrs. D. D. Chamberlain and W. B. Jones during the period December 1-31, 1985 of activities authorized by NRC Operating License NPF-47 for River Bend Station-Unit No. 1.
Gulf States Utilities Company's (GSU) response to the Notice of Violations 85-81-01, " Failure of Document Control Program" and 85-81-02, " Inadequate Retest Following a Modification or Repair",
is provided in the enclosed attachments.
Corrective actions taken in response to the Notice of Deviation 85-81-03,
" Verification of Diesel
_ Generator Load Sequencing",
were documented in paragraph 3
of Inspection Report 85-81 and no further response is required from GSU.
This completes GSU's response to the Notice of Violations.
Sincerely, e
e
. J. Cahill, Jr.
Senior Vice President River Bend Nuclear Group WJ / JK/je Attachments 9603280226BIOhb58 1
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1 UNITED STATES OF AMEEICA NUCLEAR EEGULATOEY CapetISSION STATE OF LOUISIANA 5
PARISE OF WEST FELICIANA 5
In the Matter of I
Docket Nos. 50-458 GULF STATES UTILITIES COMPANY l
(River Bend Station, Unit 1)
AFFIDAVIT W.
J.
- Cahill, Jr.,
being duly sworn, states that he is a Senior 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.
/
,',~
/
^
W. J.(Jfahill, Jr.
['
Subscribed and sworn to before me, a Notary Public in and for the State and Parish above named, this M 7 day of norr/,19h,
/
L M
Joan W. Middlebrdoks
/NotaryPublicinandfor
/ West Feliciana Parish, Louisiana i
My Commission is for Life.
i
ATTACHMENT 1 RESPONSE TO NOTICE OF VIOLATION 50-458/8581-01 LEVEL V i
. REFERENCE Notice-of Violation J.
E. Gagliardo letter to W. J. Cahill, Jr.
dated January 29, 1986.
A.
Failure of Document Control Program t
REASON FOR' VIOLATION Station Operating Procedure SOP-0035, Revision 0,
" Reactor Core Isolation Cooling", did not have included in the. Main Control Room working copy, TCN 85-1287.
Upon discovery, research to identify s
the probable cause was~ inconclusive.
The temporary change notice (TCN) was issued July 31, 1985.
Records show the TCN was transmitted.and received in the Control Room.
The TCN had to be j
inadvertently removed by personnel updating-the
- manuals, or i
perhaps was misplaced by personnel using this controlled copy-for work.
CORRECTIVE STEPS WHICH HAVE BEEN TAKEN AND THE RESULTS ACHIEVED An immediate departmental review of all SOP's in the Main-Control Room. controlled copy was conducted.
No incorrect' revisions or other TCN omissions were found.
This further supports the belief that this event was an-isolated incident, and not indicative of a programmatic problem.
CORRECTIVE STEPS WHICH WILL BE TAKEN TO AVOID FURTHER VIOLATIONS Since this is an isolated event, no action above ~ and beyond the controls in place is deemed nec'essary.
DATE WHEN FULL COMPLIANCE WILL BE TAKEN Full compliance is achieved.
f
.. f ATTACHMENT 2' RESPONSE TO NOTICE OF VIOLATION 50-458/8581-02 LEVEL IV REFERENCE Notice of Violation - J. E. Gagliarto letter to W.
J.
- Cahill, Jr.
dated January 29, 1986.
B.
Inadeauate Retest Following a Modification or Repair
. REASON FOR VIOLATION As a
result of personnel oversight, adequate retests were not provided following maintenance and modifications activities.
Condition Report No.'85-0559 was issued on 11/29/85 revealing that maintenance activities were performed on the wiring to backup scram valves C11*SOVF110A and Cll*SOV110B with no documented continuity checks or functional test performed.
During the restoration of the system the subject wiring was connected in accordance with the approved design drawing.
However, the failure to perform a functional test resulted in a
design error being undetected prior to placing the system into service.
Condition Report No. 85-0561 was issued on 11/20/85 revealing that a wiring modification was made to shutdown cooling suction valve E12*MOVF008 with no functional test performed upon completion of the modification.
CORRECTIVE STEPS WHICH HAVE BEEN TAKEN AND THE RESULTS ACHIEVED Temporary Alteration No. 85-RPS-ll was initiated to correct the wiring discrepancy encountered with the backup scram valves.
Upon installing the Temporary Alteration, a
fun'ctional test was performed by operating the manual scram controls while field verifying the venting of the valves..The Temporary Alteration was cleared on 12/13/85 after the implementation of' permanent wiring changes identified by Modification Request No. 85-1099.
Prior.to returning the system to service,'a functional test was performed by inserting a manual ~ scram and observirg actual operation of-C11*SOVF110A 'and C11*SOVF110B.
The successful results of the functional test are documented on Maintenance Work Request No.
014461.
Upon discovering the wiring problems associated with RHR Suction Cooling Valve 1E12*MOVF008, Maintenance Work Request No. 014307 was initiated to investigate the circuit..
Following the completion of the corrective maintenance, a functional test was performed in accordanca with the requirements of Maintenance i
4 ATTACHMENT 2 (cont'd.)
Page 2 RBG-23,256 February 27, 1986 Procedures CMP-1253, "Limitorque Motor Operated Valves",
and GMP-0042,
" Control Circuit Testing".
The valve was also successfully operated from both the Control Room and the Remote Shutdown Panel.
The successful results of the functional test are documented on Maintenance Work Request No. 014307.
CORRECTIVE STEPS WHICH WILL BE TAKEN TO AVOID FURTHER VIOLATIONS To prevent further violations, ADM-0028,
" Maintenance Work Request",
is presently being revised to include additional guidelines for ensuring post maintenance functional testing requirements are evaluated prior v'
returning equipment to service.
The Assistant Plant Manager of Maintenance and Materials has instructed the Maintenance Supervisors to maintain a
close vigilance of the functional test requirements when approving Maintenance Work Requests.
Maintenance and F.odification activities on safety related equipment are not to be approved until functional test requirements are appropriately addressed.
In addition to the corrective action taken by the Maintenance Department, Nuclear Plant Engineering (NuPE) procedure NPE-3-006,
" River Bend Staticn Design Modification Request Control Plan", has been revised to include applicable functional test requirements when issuing Plant Modification Reg'uest Packages.
When functional test requirements are included in ASME Work Packages, these requirements are to be identified in the Functional Test and Restoration Section of the Maintenance Work Request.
To insure assigned functional test requirements are not missed when returning equipment to service, Quality Control Personnel have been directed to establish notification points at the test.
DATE WHEN FULL COMPLIANCE WILL BE ACHIEVED Administrative Procedure ADM-0028, " Maintenance Work Request",
is scheduled to be revised by 2/28/86 to include additional requirements for post maintenance functional testing.
Full compliance is being achieved.
_.