ML20246B235

Summary of Onsite Meeting W/Licensee on 890523-25 Re Mar 1989 Check Valve Leaks at Plant

ML20246B235
Person / Time
Site:	Vogtle
Issue date:	06/30/1989
From:	Hopkins J Office of Nuclear Reactor Regulation
To:	Office of Nuclear Reactor Regulation
References
NUDOCS 8907070252
Download: ML20246B235 (3)

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June 30, 1989- ,

I . Docket No. 50-425 DISTRIBUTION L- 4DocketaEile a- JHopkins i l ' NRC TLocal" PDRs OGC- i l LICENSEE: . Georgia Power Company JSniezek . EJordan;

.PDII-3 Reading NRC Participants FACILITY: Vogtle Unit 2 DMatthews ACRS (10) {

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SUMMARY

OF-MAY 23-25, 1989 MEETING AT V0GTLE U UNIT 2 - REGARDING THE MARCH.1989 CHECK VALVE LEAK- 1 An onsite meeting was held on Ma with representatives of '

the' Georgia- Power Company and (GPC) y 23 thru members of the25,1989, Human Factors Assessment Branch and Reactor Systems Branch of NRR to review the Yogtle Unit 2 response to the March 1989 ECCS check valve leaks.  ;

Discussions and interviews were held between the NRC staff and GPC personnel ,

from operations, training, licensing, quality assurance and management involved i with the circumstances surrounding the leakage of reactor coolant to the reactor water storage tank (RWST) through the residual heat removal system (RHR). The NRC staff was primarily interested in learning what human performance 1 factors. contributed to the event and to develop a better understanding of the 1 precursors and predictors of intersystem LOCAs (ISLOCA). 1 l

The NRC' staff focuse'd on several aspects of the Vogtle Unit 2 check . valve leak ]

event that will contribute to the development of a pilot inspection program for 9 ISLOCAs. These pilot inspections will be performed to assess the sources of l ISLOCAs and determine how vulnerable power reactors are to ISLOCAs. Interpersonal 2 communications, plant systems and equipment status awareness, procedures and -

training were discussed during the interviews. In addition, document reviews, control room, simulator, and plant walkdowns were performed.

At the conclusion of the meeting, the NRC staff expressed their appreciation to GPC management for.the time and cooperation of GPC personnel that arranged and ,

coordinated the meeting and provided the docunents and access to the plant and 4 training facilities.

Jon b. Hopkins, Project Manager Project Directorate 11-3 .]

Division of Reactor Projects I/II d k

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! l LICENSEE: Georgia Power Company {

l FACILITY: Vogtle Unit 2

SUMMARY

OF MAY 23-25, 1989 MEETING AT V0GTLE UNIT 2 - REGARDING THE MARCH 1989 CHECK VALVE LEAK i 3

An onsite meeting was held on May 23 thru 25,1989, with representatives of i the Georgia Power Company (GPC) and members of the Human Factors Assessment Branch and Reactor Systems Branch of NRR to review the Vogtle Unit 2 response to the March 1989 ECCS check valve leaks. -

Discussions and interviews were held between the NRC staff and GPC personnel from operations, licensing, training, quality assurance and management involved with the circumstances surrounding the leakage of reactor coolant to the i reactor water storage tank (RWST) through the residual heat removal system (RHR). The NRC staff was primarily interested in learning what human performance factors contributed to the event and to develop a better understanding of the precursors and predictors of intersystem LOCAs (ISLOCA).

The NRC staff focused on several aspects of the Vogtle Unit 2 check valve leak event that will contribute to the development of a pilot inspection program for ISLOCAs. These pilot inspections will be performed to assess the sources of ISLOCAs and determine how vulnerable power reactors are to ISLOCAs. Interpersonal communications, plant systems and equipment status awareness, procedures and training were discussed during the interviews. In addition, document reviews, control room, simulator, and plant walkdowns were performed.  !

At the conclusion of the meeting, the NRC staff expressed their appreciation to GPC management for the time and cooperation of GPC personnel that arranged and coordinated the meeting and provided the documents and access to the plant and training facilities.

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Jon B. Hopkins, Project Manager Project Directorate 11-3 Division of Reactor Projects I/I!

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Mr. J. A. Bailey Resident Inspector Manager - Licensing Nuclear Regulatory Comission Georgia Power Company P.O. Box 572 P.O. Box 1295 Waynesboro, Georgia 30830 Birmingham, Alabama 35201 James E. Joiner, Esq.

Bruce W. Churchill, Esq. Troutmen,-Sanders, Lockerman, Shaw, Pittman, Potts and Trowbridge & Ashmore 2300 N Street, N.W. 1400 Candler Building Washington, D.C. 20037 127 Peachtree Street, N.E.

Atlanta, Georgia 30303 Mr. G. Bockhold, Jr.

General Manager, Nuclear Operations Mr. R. P. Mcdonald '

Georgia Power Company Executive Vice President -

P.O. Box 1600 Nuclear Operations e

Waynesboro, Georgia 30830 Georgia Power Company P.O. Box 1295 Regional Administrator, Pegion II Birmingham, Alabama 35201 U.S. Nuclear Regulatory Commission 101 Marietta Street, N.W., Suite 2900 Mr. J. Leonard Ledbetter, Director Atlanta, Georgia 30323 Environmental Protection Division Department of Natural Resources Office of the County Commissioner 205 Butler Street, S.E., Suite 1252 Burke County Comission Atlanta, Georgia 30334 Waynesboro, Georgia 30830 j

i Office of Planning and Budget Attorney General j Room 615B Law Department i 270 Washington Street, S.W. 132 Judicial Building Atlanta, Georgia 30334 Atlanta, Georgia 30334 Mr. C. K. McCoy Mr. Alan R. Herdt, Chief i Vice Presient - Nuclear Project Branch #3 Ceorgia Power Company l U.S. Nuclear Regulatory Comission 4 P.O. Box 1295 101 Marietta Street, NW, Suite 2900 Birmingham, Alabama 35201 Atlanta, Georgia 30323 1

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