ML20006E946
| ML20006E946 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 02/05/1990 |
| From: | Chaffee A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Ray H SOUTHERN CALIFORNIA EDISON CO. |
| Shared Package | |
| ML20006E947 | List: |
| References | |
| NUDOCS 9002260578 | |
| Download: ML20006E946 (3) | |
See also: IR 05000206/1989033
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NUCLEAR REGULATORY COMMISSION '
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REGION V -
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1460 MARIA LANE. SUITE 210 /
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FEB 5-
1990
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.DocketNos.-50-206,150-361,50-362
South'ern California' Edison Company
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Irvine Operations Center
23 Parker Street
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.Irvine, California 92718-
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Attention:
Mr. Harold 3. Ray, Vice President
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Nuclear Engineering, Safety, and Licensing,
Gentlemen:
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' This ' refers to the routine inspection conducted by Messrs. C. W. Caldwell,-
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A. L Hon, and C.. D. Townsend of this office on November 19,~ 1989 through
January 6,1990 of. activities authorized by NRC License Nos. DPR-13, NPF-10
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and NPF-15 and to the discussion of our findings. held by the inspectors with-
Mr. R. - H. Bridenbecker and other members of the Southern California Edison
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staff at the conclusion of the inspection,
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Areas examined during-this ins)ection are described in the enclosed inspection-
report. Within these areas, tie inspection misisted of. selective examina-
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tions of procedures and representative recorA -interviews with personnel, and
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observations by the inspectors.
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-We are concerned regarding the, events that. led to the hydrogen fire associated
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with the gaseous radioactive waste system on December 1, 1989, as discussed in
paragraph 4.a of the enclosed inspection. report.
In particular, the fact that-
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work was allowed to proceed.with the awarenessiof-an elevated hydrogen
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concentration (greater than 25%) in.the waste gas. surge tank. indicates a.
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weakness in understanding of fundamental concepts on the part of the operators
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involved.in-the evolution.
Itwas-fortuitousthatnopersonnel;wereinjured
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-and thatithere was no damage to equipment from the fire.
We have reviewed.
your letterL o Mr. Roy Zimmerman of the Region V staff, dated January 9,1990
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and the detailed report concerning this matter.
Due to your extensive efforts:
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'in determining a root cause and corrective actions for this event, and due to
the minimal severity of the event, we have documented this issue as a
-non-cited violation, and no further written response is necessary.
-Additionally,' we are concerned about your use of overtime during outages, as
-discussed'in paragraph 10.a of the enclosed report.
While we recognize that
the use of overtime during outages may be necessary, we encourage you to-
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carefully consider your policy in this regard, particularly when considering
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.that overlapping unit outages can result in the usage of overtime becoming
routine.
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Based on the results of this inspection, it appears that certain of your
activities were not conducted in full compliance with NRC requirements, as set
forth in the Notice of Violation, enclosed herewith as Appendix A.
Your response to this Notice is to be submitted in accordance with the
provisions of 10 CFR 2.201 as stated in Appendix A, Notice of Violation.
9002260578 900205
ADOCK 0500020,6
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In accordance with 10 CFR 2.790(a), a copy of this letter, the enclosure, and
your response will be placed in the NRC Public Document-Room.
The response directed by this letter and the accompanying Notice are not
subjecttotheclearanceproceduresofthe-OfficeofManagementandBudgetas
required by the Paperwork Reduction Act of 1980, PL 96-511.
Should you have any questions concerning this inspeltion, we will be pleased
to discuss them with you.
Sincerely,
N
A. E. Chaffee, Deputy Director
Division of Reactor Safety.
andProjects
Enclosures:
'1.
Appendix A -- Notice of Violation
2.
Inspection Report Nos. 50-206/89-33
50-361/89-33
and 50-362/89-33
cc w/ Enclosures:
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D. J. Fogarty, Executive Vice President
C.' B. McCarthy, Vice President and Site Manager (San Clemente)
H. E. Morgan, Station Manager (San Clemente)
State of California
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