ML20091B512
| ML20091B512 | |
| Person / Time | |
|---|---|
| Site: | McGuire, Mcguire  |
| Issue date: | 04/27/1984 |
| From: | Tucker H DUKE POWER CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML20091B496 | List: |
| References | |
| NUDOCS 8405300312 | |
| Download: ML20091B512 (3) | |
Text
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Duun POWER CAMIPANY F.O. Mim (NIHMS CH AIIIMrTE, N.C. WHU49 HAl. M *IUCMF.R mareenan
. 7"..',"""1 April 27, 1984
""3"**"
'3 m.
Mr. James P. O'Reilly, Regional Administrator U. S.-Nuc) car Regulatory Commission Region II 101 Marietta Street, NW, Sutto 2900 Atlanta, Georgia 30303
Subject:
McGuire Nuclear Station Docket Nos. 50-369 and 50-370
Subject:
RII WTO IE Inspection Report 50-369/84-04,50-370/84-04
Dear Mr. O'Reilly:
Please find..ittached a responso to Violation 50-370/84-04-01 which was identifted in the subject report.
Duke Power Company does not consider any information contained in this report t.o be proprietary.
Very truly yours, fh lhl Ha1. B. Tucker WitMigib Attachment cc Mr. W. T. Orders NRF, Resident Inspector McGuiro Nuc1 car Station 0
POR
DUKE POWER COMPANY McCU1RE NUCLEAR STATION RESPONSE TO VIOLATION 50-370/84-04-01 Viointion 50-370/84-04-01. Severity T.evel IV:
Technten1 Specifications 6.8.1 requirca current written approved proceduren be established, implemented and maintained covering startup of safety reinted equipment, annunciator /ninrm renponna and surveillance testing of safety reinted equipment.
Station Directivo 3.1.4 requirca the oporntor to monitor and acknowledge instru-mentation displays and alarms, and to initiate prompt correctivo action on receipt of irregular operating conditions.
Contrary to the above, approved procedures and Station Directivo 3.1.4 woro not followed in that the following conditions wore noted:
1.
On January 15. operations personnot fatted to follow proceduru op/2/A/6200/01, Chemical and Voluma Control System, by not verifying suction hender valvo to be open prior to pump start. This resulted in the destruction of the 2-11 contrifugal charging pump.
2.
On January 15, operations pornonnel failed to abido by the requirements of Station Directivo 3.1.4. Conduct of Oporationa, in that during n 12 m8nuto parlod immediately preceding the destruction of tho 2-B contrifugni charging pump, 18 high VCT pronsure and/or high VCT icvol alarms woro received without prompt correctivo action.
3.
On February 2 nn cloctronten technician failed to follow Stcp 10.6.2 of Proceduro IP/0/A/3010/05 by erroneounty tripping the main Train B reactor trip bronker instond of the bypann bronkar. This renuited in a unit trip from 89%
power.
Renponno:
Duko Power Company agreen that McGuiro Nuclear Station pornonnel did not follow the Chemient and Volumo Control Syntem (NV) opornting procedure when valvo positions woro not verified prior to starting NV pump 2A.
During operation of NV pump 2A, pornonnot did not immediately identify the loan of nuction to the pump, denpito control board indientionn and indirect Operntor Aid Computer Alarmn. Thono events renulted in pump damngo. An explanation of the circumstancon tending up to. the event and correctivo actions taken nro doncribed in Licenneo Event Reports 50-370/84-02 and 50-370-84-04.
In n noparate incident, a McGuiro Nucionr Station electronics technician did not proporly follow the portodic tent proceduro when ho inndvertently open tho Train 11 renetor trip hronker. Thin occured during performance of the SSPS Periodit: Tent abovo Ronetor Coolant System Prennuro of 1955 pai and renutted in n Unit 2 ronctor trip. 1.icennco Event Report 50-370/84-05 providen nn explanation of the circum-stancon loading up to thin event and the corroetivo actionn taken.
In addition to the correctivo netions doncribed in the 1.ER ndditional bronker Inbots have boon
2 1
placed on the interior of breaker compartments to assist in properly identifying breakers.
In order to make other personnel aware of incidents caused by personnel error, McGuire Nuclear Station Incident Investigation Reports involving personnel error are reviewed during all crew meetings. McGuire is presently in full compliance.
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