ML20037B010
| ML20037B010 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 10/16/1975 |
| From: | Brian Lee COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20037B009 | List: |
| References | |
| NUDOCS 8009020584 | |
| Download: ML20037B010 (3) | |
Text
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((Q-Q'iP one ra. nm.onym Piata.,Crucano. mfnnes Addier.s Reply to Por. Office Box 767 Chicago, tilinois 60G00
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October 16, 1975
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Mr. James G. Keppler Regional Director - Region III U.S. Nuclear Rcgulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137
Subject:
Dresden Station Units 1,*2, and 3 Response to Noncompliance Items in NRC Inspection Reports 50-10/75-16, 50-237/75-22, and 50-249/75-19 NRC Dkts.'50-10, 50-237, and 50-249
Dear Mr. Keppler:
The following replies are pro'vided in response to the noncompliance items listed under th.e Enforcement Action in the Summary of Findings Section of the ' subject inspection reports which were transmitted by a letter Erom Mr. Fiorelli dated October 1,
1975.
The replies are numbered to correspond with the list in your report.
Infraction No. 1:
No reply required.
Infraction No. 2:
Onsite audits conducted during the first two quarters of 1975 by personnel within their areas of responsibility.
Corrective Action:
The third quarter 1975 onsite audit assignment lists and audit requirements have been reviewed and revised as necessary to avoid audit of an area by an individual with direct responsibility for the area.
Corrective Action to Avoid Further Noncompliance:
Future onsite audit assignment lists and requirements will be reviewed for conformance with Ouality Procedure 18-51.
Addi-tionally, a Technical Specification change has been proposed to l
transfer all audit functions to the Quality Assurance Department.
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i Mr. James G.
Keppler 2--
October 16, 1975 Date of Full Compliance:
The third quarter of 1975 an onsite audit was conducted-on September 8, 1975, which was in full compliance with Quality Procedure 18-51 and 10 CPR 50, Appendix B.
l Infraction No. 3:
Contrary to 10 CFR 50, Appendix J/ two years and five months elapsed between successive Type B an'd C contaimnent leak rate tests for Dresden Unit 2.
Corrective Action:
Type B and C containment leak rate tests were performed as required by the Technical Specificat ions during the 1974/1975 refueling outage.
All isolation valves and double gasketed seals which exhibited abnormal leakage were reported and repaired as re-quired.
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Corrective Action to Avoid Further Noncompliance:
Surveillance schedules and containment leak rat'e test procedures will be revised to specify that intervals between Type B and C containment leak rate tes'ts will not exceed two years.
Additionally, the units are passed the initial fuel cycles and it is anticipated that the interval between future refueling outages s
will not exceed two years.
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Date of Full Compliance:
Full compliance was achieved with catisfactory' completion of the leak rate tests during the 1974/1975 outage.
,The actions:tc avoid further noncompliance will be completed by December 1, 1975L
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Deficiency:
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Abnormal occurrence reported to the NRC more than 10.#.
days after discovery.
Discussions:
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Dresden Unit 3 abnormal occurrence report No. 75-3O was reported to the NRC more than 10 days after discovery due_to a procedural inadequacy.
The procedure utilized to, test the standby q, liquid control system relief valves did not specifys any reporting
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_.' ' Mh, Jamer:'G; Keppler October 16, 1975 ps x
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if the Salves did not lift at the nameplate setpoint.
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yegtiirement IS 'a r,epulE,'.the out ofspec lif t point was not noticed until a,
. review ofdhe surveillance data, June 5, 1975.
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n The: corr'ective action included revising the procedure to
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include notification of the Shift Engineer when the "as found" valve lift point's are below Technical Specification limits.
The revised procedure was implemented June 25, 1975.
1 Corrective Action to Avoid Furth3 r Noncompliance:
It is believed that the corrective action taken in re-(
vining the procedure will prevent recurrence.
i Date of Full Compliance:
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' hhe relie.f valves were reset and installed May 30, 1975,'
bringing the stant*b-/ liquid control. system into full Technical Specifi cation compliance.
The procedural deficiency in reporting the,fabnormal.occterrence was corrected by revising the procedure
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on. June 25, 1975.
s The,' subject inspection report was reviewed for proprietary s
information and none was identified
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If you(hhve any questions concerning these replies, F,-
please contact;this office.
I; Very*t'ruly yours, I
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y Byron Lee, Jr.
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Vice-President
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