ML16341G309
| ML16341G309 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 10/08/1991 |
| From: | Zimmerman R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| NUDOCS 9110170046 | |
| Download: ML16341G309 (8) | |
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0 UNITED STATES NUCLEAR REGULATORY COMMISSION REGION V 1450 MARIALANE. SUITE 210 WALNUTCREEK, CALIFORNIA94696-6368 October 8, 1991 NOTICE OF SIGNIFICANT OPEN MEETING Name of Licensee:
Name of Facility:
Pacific Gas and Electric Company Diablo Canyon Units 1
and 2
Docket Numbers:
50-275 and 50-323 Date and time of Meeting:
Location of Meeting:
Purpose of Meeting:
NRC Attendees:
October 11, 1991, 9:00 a.m.
PDT Region V Office, Walnut Creek, California As requested by NRC Region V,
PGSE will present details of their assessments of two recent valve problems;
( 1) steam valve to the unit 1 auxiliary feedwater pump failure to open when tested and (2) first off check valve in charging system found stuck open.
J. Martin, Regional Administrator R.
Zimmerman, Director, Division of Reactor Safety and Projects D. Kirsch, Chief, Reactor Safety Branch S. Richards, Chief, Reactor Projects Branch H. Wong, Acting Senior Resident Inspector P. Morrill, Chief, Reactor Projects Section 1
B. Olson, Reactor Project Inspector, Section 1
Licensee Attendees:
W. Fuiimoto, Vice President, Nuclear Technical Services R. Anderson,
- Manager, Nuclear Engineering and Construction Services E. Connell, Assistant Project Engineer R. Cupp, Group Leader, Instrumentation and Controls K. Dalai, Group Leader, Piping Engineering M. Davido, Senior Engineer B. Giffin, Plant Manager, Maintenances Services T. Grabel, Supervising Engineer R. Powers, Director, Mechanical Maintenance Section 91101700 b
5000275 pDR
>DOCK 050 pDR p
NOTE:
Attendance at this meeting by individuals other than those listed above should be made known by October 10, 4:00 p.m. via a telephone call to Brad Olson,'TS 448-0295 or commercial (510) 975-0295.
Enclosure:
Agenda Distribution w/enclosure:
J. Sniezek, EDO T. Murley, NRR W. Russell, NRR B. Boger, NRR J. Partlow, NRR S.
- Cook, RV D. Kunihiro, RV NRC Attendees Listed Approved:
erman, Director Divis of Reactor Safety and Projects cc w/enclosure:
J.
D. Shiffer, Sr. Vice President 5 General
- Manager, PGSE J.
D. Townsend, Vice President/Plant
- Manager, PGIIE R.
F. Locke, Esq., Attorney D. A. Taggart, Director, Quality Support, PGIIE B. Thomas, News Services, PG&E T. L. Grebel, Regulatory Compliance Supervisor, PGII:E State of CA (Gordon K. Van Vleck)
Bob Hendrix, County Administrator
NUCLEAR REGULATOR COMMISSION AND PACIFIC GAS AND ELECTRIC PRELIMINARY AGENDA FOR MEETING OCTOBER 11, 1991 I.
INTRODUCTIONS II.
TURBINE DRIVFN AUX. FEEDRATER STEAM SUPPLY VALVE (I-FCV-95)
EVENT CHRONOLOGY AND HISTORY RELATED INDUSTRY EXPERIENCE 8; POTENTIAL POOT CAUSES CURRENT ACTIVITIES BY PGSE DISCUSSION AND CONCLUSION III. LOOP FOUR ALTERNATE CHAPGING CHECK VALVE (2-8378A)
DESCRIPTION OF VALVE CONFIGURATION
RESPONSE
TO VALVE VENDOR INFORMATION BULLETIN VALVE INSPECTION RESULTS MAINTENANCE AND TESTING HISTORY POTENTIAL ROOT CAUSES APPLICABILITY TO OTHER CHECK VALVES DISCUSSION AND CONCLUSION
bcc w/enclosure:
Project Inspector Resident Inspector Docket File Greg Cook B. Faulkenberry M. Smith J. Zolicoffer J. Bianchi D. Riley PMorri 1 1: jb 10/8 /91 RZimmerman 10/
/91 ST COPY REQUEST COPY g
NO YES /
NO ES /
NO ES /
NO
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