ML19317G065

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Forwards IE Investigation Rept 50-312/76-01 on 761021-1111 & Notice of Deviation
ML19317G065
Person / Time
Site: Rancho Seco
Issue date: 12/21/1976
From: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
To: Mattimoe J
SACRAMENTO MUNICIPAL UTILITY DISTRICT
Shared Package
ML19317G059 List:
References
NUDOCS 8002210761
Download: ML19317G065 (2)


See also: IR 05000312/1976001

Text

'

UNITED STATES *

[Q/ '

NUCLEAR REGULATORY COMMisslON

REGION V

SUITE 202. W ALNUT CREEK PLAZ A

1990 N. C ALIFORNI A SOULEV ARD

W ALNUT CREEK. C ALIFORNI A 94S96

OE021.UE

. Sacramento Municipal Utility District

Docket No. 50-312

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P. O. Box 15830

Sacramento, California 95813

Attention: Mr. Jonn J. Mattimoe

Assistant General Manager

& Chief Engineer

Gentlemen:

This refers to the investigation conducted by Messrs. L. J. Garvin and

otner members of tnis office during the period October 21 to November 11,

1976 of activities authorized by NRC License ilo. DPR-54, and to the

discussion of our findings held by Messrs. Spencer and Garvin with Mr.

D. C. Browning and other members of your staff on November 17, 1976.

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Areas examined during this investigation dealt with allegations of poor

workmanship and of falsification of records associated with the fabrica-

tion of the replacement fuel storage racks for Rancho Seco Unit No.1.

Within this area, the investigation consisted of testing of welds,

examination of procedures and records and interviews with SMUD and

vendor personnel.

During this investigation it was found that certain of your activities

appear to deviate from your December 19, 1975 request for a license

amendment. These items and references to the comitments are listed in

Appendix A to this letter.

Please provide us within 20 days, in writing,

with your comments concerning these items, a description of any steps

tnat have been or will be taken to correct them and the date that all

corrective actions were or will be completed.

Also, since the spot

welds were not tested as described in your design technical specifica-

tion, please evaluate the effect of the decreased testing on the in-

tegrity of the spot welds and include the evaluation in your reply to

this letter.

In addition to the need for corrective action regarding these specific

deficiencies, we are concerned about the implementation of your quality

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assurance program that permitted these deficiencies to occur.

Con-

sequently, in your reply, you should describe in particular, those

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actions taken or planned to improve the effectiveness of your quality

assurance program.

In accordance with Section 2.790 of the HRC's " Rules of Practice,"

. Part 2, Title 10, Code of Federal Regulations, a copy of this letter and

the enclosed investigation report will be placed in the NRC's Public

Document Room.

If tnis report contains any information that you believe

to be proprietary, it is necessary that you submit a written application

to this _ office, within 20 days of the date of this letter, requesting

tnat such information be withheld from public disclosure.

The applica-

tion must include a full statement of the reasons why it is claimed that-

the information is proprietary. The application should be prepared so

that any proprietary information identified is contained in an enclosure

to tne application, since the application without the enclosure will

also be placed in the Public Document Room.

If we do not hear from you

in tnis regard within the specified period, the report will be placed in

the Public vocument Room.

Should you have any questions concerning this investigation, we will be

glad to discuss them with you.

Sincerely,

j A ] ua .L

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ps 'R. H. En'gelken

4

Director

Enclosures:

A.

Notice of Deviation

B.

IE Investigation Report

No. 50-312/76-01

cc w/o enclosure B:

R. J. Rodriguez, SMUD

L. G. Schwieger, SMUD

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