ML16342C610

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Forwards Insp Repts 50-275/94-17 & 50-323/94-17 on 940606-10.No Violations Noted
ML16342C610
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 07/05/1994
From: Gwynn T
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To: Rueger G
PACIFIC GAS & ELECTRIC CO.
Shared Package
ML16342C611 List:
References
NUDOCS 9407110057
Download: ML16342C610 (12)


See also: IR 05000275/1994017

Text

(NUDOCS OFFSITE FACILITY)

REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9407110057

DOC.DATE: 94/07/05

NOTARIZED:

NO

ACIL:50-275 Diablo Canyon Nuclear

Power Plant, Unit 1, Pacific

Ga

50-323 Diablo Canyon Nuclear

Power Plant, Unit 2, Pacific

Ga

AUTH.NAME

AUTHOR AFFILIATION

GWYNNiT.P.

Region

4 (Post

820201)

RECIP.NAME

RECIPIENT AFFILIATION

'RUEGERgG.M.

Pacific Gas !'lectric Co.

SUBJECT:

Forwards

insp repts

50-275/94-17

6 50-323/94-17

on

940606-10.No violations noted.

-DISTRIBUTION CODE:

IE01D

COPIES

RECEIVED:LTR

ENCL

SIZE:

TITLE: General

(50 Dkt)-Insp Rept/Notice

of- Violation Response

NOTES:

DOCKET I

05000275

05000323

P

0

RECIPIENT

ID CODE/NAME

PDIV-3 PD

INTERNAL: ACRS

AEOD/DSP/ROAB

AEOD/TTC

NRR/DORS/OEAB

NRR/PMAS/ILPBl

NUDOCS-ABSTRACT

OGC/HDS3

RES/HFB

ERNAL: EGSG/BRYCE,J.H.

NSIC

COPIES

LTTR ENCL

1

1

2

2

1

1

,1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

RECIPIENT

ID CODE/NAME

MILLER,M

AEOD/DEIB

AEOD/DSP/TPAB

DEDRO

NRR/DRCH/HHFB

NRR/PMAS/IRCB-E

OE DIR

FG-

02

RGN4

FILE

01

NRC

PDR

COPIES

LTTR ENCL

1

1

1

1

1

1'

1

1

1

1

1

1

1

1

1

1

1

1

1

2

C

U

M

N

NOTE TO ALL'RIDS RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE! CONTACTTHE DOCUMENTCONTROL

DESK, ROOM Pl-37 (EXT. 504-2083 ) TO ELIMINATEYOUR NAME FROM

DISTRIBUTIONLISTS FOR DOCUMENTS YOU DOiJ'T iNEED!

TOTAL NUMBER OF

COP

ES

REQUIRED:

LTTR

22

ENCL

22

~

'

UNITED STATES

NUCLEAR REGULATORY COMMISSION

R EG ION IV

611 RYAN PLAZADRIVE, SUITE 400

ARLINGTON,TEXAS 76011 6064

Dockets:

50-275

50-323

Licenses:

DPR-80

DPR-82

Pacific

Gas

and Electric Company.

Nuclear

Power Generation,

B14A

ATTN:

Gregory

H. Rueger,

Senior Vice

President

and General

Manager

Nuclear

Power Generation

Bus. Unit

77 Beale Street,

Room

1451

P.O.

Box 770000

San Francisco,

California

94177

SUBJECT:

NRC

INSPECTION

REPORT 50-275/94-17;

50-323/94-17

This refers to the inspection

conducted

by Hessrs.'.

Hyers

and

H.

Runyan of

this office on June 6-10,

1994.

The inspection

included

a review of

activities authorized for your Diablo Canyon Nuclear Generating Station,

Units

1

and 2, facility.

At the conclusion of the inspection,

the findings

were discussed

with those

members of your staff identified in the enclosed

report.

Areas

examined during the inspection

are identified in the report.,

Within

these

areas,

the inspection consisted

of selective

examinations

of procedures

and representative

records

and interviews with personnel.

The results of this

inspection

are documented

on page

1 in the enclosed

report.

The report discusses

two examples

in which your initial troubleshooting

activities following operational

problems with motor-operated

valves were not

effective in determining the actual

cause of the problem,

In both cases

the

equipment

was returned

to service without the root cause of the problem being

'orrected.

We are

concerned

in these

instances

that the appropriate

technical

evaluations

were not conducted

in determining motor-op'crated

valve

operability.

As discussed

at the exit meeting with Hr. Hiklush on June

10,

1994, it is our understanding

that you have committed to establish

procedural

enhancements

to assure

adequate

engineering

involvement with maintenance

and

operations

in evaluating motor-operated

valve problems.

If your understanding

of this commitment differs from ours,

please

contact

me immediately.

In accordance

with 10 CFR 2.790 of the NRC's "Rules of Practice,".

a copy of

this letter

and its enclosures

w'ill be placed

in the

NRC Public Document

Room.

9407110057

940705

PDR

" ADOCK 05000275

8

PDR

'll Pacific

Gas

and Electric Company

Should you have

any questions

concerning this inspection,

we will be pleased

to discuss

them with you.

Sincerely,

Enclosure:

Appendix

NRC Inspection

Report

50-275/94-17;

50-323/94-17

w/Attachment

cc w/enclosure:

Sierra Club California

ATTN:

Dr. Richard

Ferguson

Energy Chair

6715 Rocky Canyon

Creston,

California

93432

San Luis Obispo

Mothers for Peace

ATTN:

Hs.

Nancy Culver

P.O.

Box 164

Pismo

Beach, California

93448

Hs. Jacquelyn

C. Wheeler

P.O.

Box 164

Pismo

Beach, California

93448

The County Telegram Tribune

ATTN:

Managing Editor

1321 Johnson

Avenue

P.O.

Box 112

San Luis Obispo, California

93406

San Luis Obispo County Board of

Supervisors

ATTN:

Chairman

Room 370

County Government

Center

San Luis Obispo, California

93408

homas

P.

Gwynn, Director

Division of Reactor Safety

California Public Utilities Commission

ATTN:

Hr. Truman Burns(Mr. Robert Kinosian

505

Van Ness,

Rm.

4102

San Francisco.,

California

94102

~

'

Pacific

Gas

and Electric Company

Diablo Canyon

Independent

Safety Committee

Attn:

Robert

R. Wellington,

Esq.

Legal

Counsel

857

Cass Street,

Suite

D

Honterey, California

93940

Radiologic Health Branch

State

Department of Health Services

ATTN:

Nr. Steve

Hsu

P.O.

Box 942732

Sacramento,

California

94234

State of California

'TTN:

Hr. Pet'er

H. Kaufman

Deputy Attorney General

110 West

A Street,

Suite

700,

San Diego, California.

92101

Pa ific Gas

and Electric Company

ATTN:

Christopher J.

Warner,

Esq.

P.O.

Box 7442

San Francisco,

California

94120

Diablo Canyon Nuclear

Power Plant

ATTN:

John

Townsend,

Vice President

and Plant Nanager

P.O.

Box 56

Avila Beach, California

93424

~

'

Pacific

Gas

and Electric Company

E-Hail report to D. Sullivan

(DJS)

bcc to

DHB (I EOl)

bcc distrib.

by RIV:

L. J. Callan

DRSS-FIPB

Branch Chief '(DRP/E,

WCFO)

RIV File

Leah Tremper,

OC/LFDCB, HS:

H.

Runyan

C. Hyers

T. Westerman

Resident

Inspector

HIS System

Senior Project Inspector

(DRP/E,

WCFO)

Branch Chief (DRP/TSS)

.

HNBB 4503

RIV.RI:EB

RI'EB

C:EB

ADD:DR

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06/30/94

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06 28/94

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07 5

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~

'

Pacific

Gas

and Electric Company

E-Hail report to D. Sullivan

(DJS)

bcc to

DMB (IEOI)

bcc distrib.

by RIV:

L. J. Callan

DRSS-FIPB

Branch Chief (DRP/E,

WCFO)

RIV File

Leah Tremper,

OC/LFDCB, HS:

H.

Runyan

.

C. Hyers

T. Westerman

Resident

Inspector

HIS System

Senior Project Inspector

(DRP/E,

WCFO)

Branch Chief (DRP/TSS)

HNBB 4503

RIV.RI:EB

RI:EB

C:EB

CJHyers

HRunyan

TFWesterman

06 30/94

06/28/94

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